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Liu Y, Zeng H, Ding S, Hu Z, Tie B, Luo S. A new insight into the straw decomposition associated with minerals: Promoting straw humification and Cd immobilization. J Environ Sci (China) 2025; 148:553-566. [PMID: 39095188 DOI: 10.1016/j.jes.2024.01.052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 01/29/2024] [Accepted: 01/30/2024] [Indexed: 08/04/2024]
Abstract
Organic matter (OM) derived from the decomposition of crop residues plays a key role as a sorbent for cadmium (Cd) immobilization. Few studies have explored the straw decomposition processes with the presence of minerals, and the effect of newly generated organo-mineral complexes on heavy metal adsorption. In this study, we investigated the variations in structure and composition during the rice straw decomposition with or without minerals (goethite and kaolinite), as well as the adsorption behavior and mechanisms by which straw decomposition affects Cd immobilization. The degree of humification of extracted straw organic matter was assessed using excitation-emission matrix (EEM) fluorescence and Ultraviolet-visible spectroscopy (UV-vis), while employing FTIR spectroscopy and XPS to characterize the adsorption mechanisms. The spectra analysis revealed the enrichment of highly aromatic and hydrophobic components, indicating that the degree of straw decomposition and humification were further intensified during incubation. Additionally, the existence of goethite (SG) accelerated the humification of OM. Sorption experiments revealed that the straw humification increased Cd adsorption capacity. Notably, SG exhibited significantly higher adsorption performance compared to the organic matter without minerals (RS) and the existence of kaolinite (SK). Further analysis using FT-IR spectroscopy and XPS verified that the primary mechanisms involved in Cd immobilization were complexion with -OH and -COOH, as well as the formation of Cd-π binds with aromatic C=C on the surface of solid OMs. These findings will facilitate understanding the interactions of the rice straw decomposing with soil minerals and its remediation effect on Cd-contaminated farmland.
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Affiliation(s)
- Yuling Liu
- College of Environment and Ecology, Hunan Agricultural University, Changsha 410128, China
| | - Haowei Zeng
- School of Environment, South China Normal University, Guangzhou 510006, China
| | - Siduo Ding
- College of Environment and Ecology, Hunan Agricultural University, Changsha 410128, China
| | - Zhong Hu
- College of Environment and Ecology, Hunan Agricultural University, Changsha 410128, China
| | - Baiqing Tie
- College of Environment and Ecology, Hunan Agricultural University, Changsha 410128, China
| | - Si Luo
- College of Environment and Ecology, Hunan Agricultural University, Changsha 410128, China.
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2
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Cai C, Hao L, Wang R, Su M, Wang H, Zhang Y. Oatmeal-derived carbon loaded with Pt nanoparticles using a "two-fold benefit approach" for sensitive detection of the biomolecule adrenaline. J Colloid Interface Sci 2024; 675:84-93. [PMID: 38964127 DOI: 10.1016/j.jcis.2024.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 06/22/2024] [Accepted: 07/01/2024] [Indexed: 07/06/2024]
Abstract
In this study, we innovatively synthesized nitrogen-doped carbon microspheres (NCS) derived from oatmeal. By utilizing polyoxometalates (POM) as both reducing and linking agents, we achieved uniform loading of platinum nanoparticles (Pt NPs) onto the surface of the NCS. The composite nanoparticles constructed from Pt/polyoxometalate/nitrogen-doped carbon microspheres (Pt/POM/NCS) fully exploit the synergistic catalytic effect, demonstrating superior performance in adrenaline detection. The method has a linear range of 2.59 to 1109.59 μM, a detection limit as low as 0.25 μM (S/N = 3), and a sensitivity of 0.74 μA μM-1 cm-2. Additionally, it exhibits high stability and strong anti-interference ability. The recoveries in human serum were 98.51 % to 101.25 %.
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Affiliation(s)
- Chong Cai
- State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Materials Science, Hebei University, 071002 Baoding, PR China
| | - Lin Hao
- College of Science, Hebei Agricultural University, 071001 Baoding, PR China
| | - Runyan Wang
- State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Materials Science, Hebei University, 071002 Baoding, PR China
| | - Ming Su
- State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Materials Science, Hebei University, 071002 Baoding, PR China
| | - Huan Wang
- State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Materials Science, Hebei University, 071002 Baoding, PR China
| | - Yufan Zhang
- State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Materials Science, Hebei University, 071002 Baoding, PR China.
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3
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Chen L, Hu J, Wang H, He Y, Deng Q, Wu F. Predicting Cd(II) adsorption capacity of biochar materials using typical machine learning models for effective remediation of aquatic environments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 944:173955. [PMID: 38879031 DOI: 10.1016/j.scitotenv.2024.173955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 05/12/2024] [Accepted: 06/10/2024] [Indexed: 06/18/2024]
Abstract
The screening and design of "green" biochar materials with high adsorption capacity play a pivotal role in promoting the sustainable treatment of Cd(II)-containing wastewater. In this study, six typical machine learning (ML) models, namely Linear Regression, Random Forest, Gradient Boosting Decision Tree, CatBoost, K-Nearest Neighbors, and Backpropagation Neural Network, were employed to accurately predict the adsorption capacity of Cd(II) onto biochars. A large dataset with 1051 data points was generated using 21 input variables obtained from batch adsorption experiments, including preparation conditions for biochar (2 features), physical properties of biochar (4 features), chemical composition of biochar (9 features), and adsorption experiment conditions (6 features). The rigorous evaluation and comparison of the ML models revealed that the CatBoost model exhibited the highest test R2 value (0.971) and the lowest RMSE (20.54 mg/g), significantly outperforming all other models. The feature importance analysis using Shapley Additive Explanations (SHAP) indicated that biochar chemical compositions had the greatest impact on model predictions of adsorption capacity (42.2 %), followed by adsorption conditions (37.57 %), biochar physical characteristics (12.38 %), and preparation conditions (7.85 %). The optimal experimental conditions optimized by partial dependence plots (PDP) are as follows: as high Cd(II) concentration as possible, C(%) of 33 %, N(%) of 0.3 %, adsorption time of 600 min, pyrolysis time of 50 min, biochar dosage of less than 2 g/L, O(%) of 42 %, biochar pH value of 11.2, and DBE of 1.15. This study unveils novel insights into the adsorption of Cd(II) and provides a comprehensive reference for the sustainable engineering of biochars in Cd(II) wastewater treatment.
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Affiliation(s)
- Long Chen
- School of Chemistry and Materials Science, Hunan Engineering Research Center for Biochar, Hunan Agricultural University, Changsha, Hunan 410128, China; State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Jian Hu
- School of Chemistry and Materials Science, Hunan Engineering Research Center for Biochar, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - Hong Wang
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Yanying He
- School of Chemistry and Materials Science, Hunan Engineering Research Center for Biochar, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - Qianyi Deng
- School of Chemistry and Materials Science, Hunan Engineering Research Center for Biochar, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - Fangfang Wu
- School of Chemistry and Materials Science, Hunan Engineering Research Center for Biochar, Hunan Agricultural University, Changsha, Hunan 410128, China.
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4
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Lee G, Kim C, Park C, Ryu BG, Hong HJ. High-carbon-content biochar from chemical manufacturing plant sludge for effective removal of ciprofloxacin from aqueous media. CHEMOSPHERE 2024; 364:143118. [PMID: 39154771 DOI: 10.1016/j.chemosphere.2024.143118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2024] [Revised: 07/31/2024] [Accepted: 08/14/2024] [Indexed: 08/20/2024]
Abstract
Biochar is considered a promising biosorbent for harmful organic pollutants in aqueous media. However, only a limited number of biochars derived from industrial sludges have been utilized due to their problematic high ash content and heavy metal leaching. In this study, a highly effective biochar was prepared as a superabsorbent for ciprofloxacin (CIP) from chemical manufacturing plant sludge via K2CO3-activated pyrolysis, and its CIP removal behavior was evaluated. Unlike sewage sludge, chemical manufacturing plant sludge contains low SiO2, resulting in an ultra-pure carbon (95.4%) based biochar with almost negligible ash content. As the pyrolysis temperature increased from 400 to 800 °C, the ordered graphitic carbon structure transformed into an amorphous carbon phase, and most oxygen-containing groups disappeared. However, the pore size significantly decreased to ∼4.5 nm due to the corrosive carbon volatilization caused by K2CO3, resulting in an extremely large surface area of 2331.8 m2/g. Based on its large surface area and porous carbon structure, the activated biochar at 800 °C (CAB-800) exhibited an outstanding CIP adsorption capacity of 555.56 mg/g. The CIP adsorption isotherm, kinetic, and thermodynamic studies were systematically investigated. The CIP adsorption on CAB-800 was mainly attributed to π-π interactions and hydrogen bond formation, with electrostatic interactions partially contributing to the adsorption reaction. From pH 2 to 12, CAB-800 showed an excellent CIP adsorption capacity of over 316.7 mg/g, with adsorption favored under acidic conditions. Except for HCO3- and CO32-, the presence of anions and humic acids did not significantly affect CIP adsorption capacity. These results demonstrate that biochar produced from chemical manufacturing industry sludge via K2CO3 activation is a highly feasible material for the removal of CIP from aqueous media.
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Affiliation(s)
- Gyubin Lee
- Department of Environmental Engineering, Chungbuk National University, Chungdae-ro 1, Seowon-Gu, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Chaelin Kim
- Department of Environmental Engineering, Chungbuk National University, Chungdae-ro 1, Seowon-Gu, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Chaerin Park
- Department of Environmental Engineering, Chungbuk National University, Chungdae-ro 1, Seowon-Gu, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Byong-Gon Ryu
- Using Technology Deveploment Department, Bio-Resources Research Division Nakdonggang National Institute of Biological Resources, 137, Donam 2-gil, Sangju-si, Gyeongsangbuk-do, 37242, Republic of Korea.
| | - Hye-Jin Hong
- Department of Environmental Engineering, Chungbuk National University, Chungdae-ro 1, Seowon-Gu, Cheongju, Chungbuk, 28644, Republic of Korea.
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5
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Gong ZX, Steven M, Chen YT, Huo LZ, Xu H, Guo CF, Yang XJ, Wang YX, Luo XP. High adsorption to methylene blue based on Fe 3O 4-N-banana-peel biomass charcoal. RSC Adv 2024; 14:25619-25628. [PMID: 39148761 PMCID: PMC11325343 DOI: 10.1039/d4ra04973j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2024] [Accepted: 08/08/2024] [Indexed: 08/17/2024] Open
Abstract
This research focused on utilizing banana peel as the primary material for producing mesoporous biomass charcoal through one-step potassium hydroxide activation. Subsequently, the biomass charcoal underwent high-temperature calcination with varying impregnation ratios of KOH : BC for different durations in tubular furnaces set at different temperatures. The resultant biomass charcoal was then subjected to hydrothermal treatment with FeCl3·6H2O to produce biochar/iron oxide composites. The adsorption capabilities of these composites towards methylene blue (MB) were examined under various conditions, including pH (ranging from 3 to 12), temperature variations, and initial MB concentrations (ranging from 50 to 400 mg L-1). The adsorption behavior aligned with the Langmuir model and demonstrated quasi-secondary kinetics. After five adsorption cycles, the capacity decreased from 618.64 mg g-1 to 497.18 mg g-1, indicating considerable stability. Notably, Fe3O4-N-BC exhibited exceptional MB adsorption performance.
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Affiliation(s)
- Zhu-Xiang Gong
- College of Chemistry and Materials Engineering, Zhejiang A&F University Hangzhou 311300 China
| | - Mfitumucunguzi Steven
- College of Chemistry and Materials Engineering, Zhejiang A&F University Hangzhou 311300 China
| | - Yan-Ting Chen
- College of Chemistry and Materials Engineering, Zhejiang A&F University Hangzhou 311300 China
| | - Li-Zhu Huo
- College of Chemistry and Materials Engineering, Zhejiang A&F University Hangzhou 311300 China
| | - Hao Xu
- College of Chemistry and Materials Engineering, Zhejiang A&F University Hangzhou 311300 China
| | - Chao-Fei Guo
- College of Chemistry and Materials Engineering, Zhejiang A&F University Hangzhou 311300 China
| | - Xue-Juan Yang
- College of Chemistry and Materials Engineering, Zhejiang A&F University Hangzhou 311300 China
| | - Yu-Xuan Wang
- College of Chemistry and Materials Engineering, Zhejiang A&F University Hangzhou 311300 China
| | - Xi-Ping Luo
- College of Chemistry and Materials Engineering, Zhejiang A&F University Hangzhou 311300 China
- Zhejiang Provincial Key Laboratory of Chemical Utilization of Forestry Biomass Hangzhou 311300 China
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6
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Xu S, Yuan JY, Zhang YT, Yang QL, Zhang CX, Guo Q, Qin Z, Liu HM, Wang XD, Mei HX, Duan YH. Effects of different precursors on the structure of lignin-based biochar and its ability to adsorb benzopyrene from sesame oil. Int J Biol Macromol 2024; 269:132216. [PMID: 38729483 DOI: 10.1016/j.ijbiomac.2024.132216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 05/05/2024] [Accepted: 05/07/2024] [Indexed: 05/12/2024]
Abstract
Agricultural by-products of sesame are promising bioresources in food processing. This study extracted lignin from the by-products of sesame oil production, namely, the capsules and straw of black and white sesame. Using acid, alkali, and ethanol methods, 12 distinct lignins were obtained to prepare biochar, aiming to investigate both the structural characteristics of lignin-based biochar (LBB) and its ability to remove benzo[a]pyrene (BaP) from sesame oil. The results showed that white sesame straw was the most suitable raw material for preparing biochar. In terms of the preparation method, acid-extracted lignin biochar was more effective in removing BaP than alkaline or ethanol methods. Notably, WS-1LB (white sesame straw acid-extracted lignin biochar) exhibited the highest BaP adsorption efficiency (91.44 %) and the maximum specific surface area (1065.8187 m2/g), characterized by porous structures. The pseudo 2nd and Freundlich models were found to be the best fit for the adsorption kinetics and isotherms of BaP on LBB, respectively, suggesting that a multilayer adsorption process was dominant. The high adsorption of LBB mainly resulted from pore filling. This study provides an economical and highly efficient biochar adsorbent for the removal of BaP in oil.
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Affiliation(s)
- Shuai Xu
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Jing-Yang Yuan
- College of International Education, Henan University of Technology, Zhengzhou 450001, China
| | - Ya-Ting Zhang
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China; Zhengzhou University, Zhengzhou 450001, China
| | - Qiao-Li Yang
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Chen-Xia Zhang
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Qing Guo
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Zhao Qin
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China.
| | - Hua-Min Liu
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China.
| | - Xue-De Wang
- College of Food Science and Engineering & Institute of Special Oilseed Processing and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Hong-Xian Mei
- Henan Sesame Research Center, Henan Academy of Agricultural Sciences, Zhengzhou 450008, China
| | - Ying-Hui Duan
- Henan Sesame Research Center, Henan Academy of Agricultural Sciences, Zhengzhou 450008, China
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7
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Ma F, Zhao H, Zheng X, Zhang J, Ding W, Jiao Y, Li Q, Kang H. Green synthesis of nZVI-modified biochar significantly enhanced the removal of Cr(VI) from aqueous solution. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:33993-34009. [PMID: 38696011 DOI: 10.1007/s11356-024-33553-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 04/29/2024] [Indexed: 05/31/2024]
Abstract
Water contamination by hexavalent chromium (Cr(VI)) seriously jeopardizes human health, which is a pressing environmental concern. Biochar-loaded green-synthesized nZVI, as a green and environmentally friendly material, can efficiently reduce Cr(VI) to Cr(III) while removing Cr(VI) from water. Therefore, in this study, an efficient green-modified biochar material (TP-nZVI/BC) was successfully prepared using tea polyphenol (TP) and sludge biochar (BC) using a low-cost and environmentally friendly green synthesis method. The preparation conditions of TP-nZVI/BC were optimized using response surface methodology (RSM), revealing that the dosage of tea polyphenols plays a crucial role in the removal performance (R2 = 1271.09), followed by reaction time and temperature. The quadratic regression model proved accurate. The optimal preparation conditions are as follows: tea polyphenols (TP) dosage at 48 g/L, reaction temperature at 75 ℃, and a reaction time of 3 h. TP-nZVI/BC removed Cr(VI) from water at a rate 7.6 times greater than BC. The pseudo-second-order kinetic model (R2 = 0.987) accurately describes the adsorption process, suggesting that chemical adsorption predominantly controls the removal process. The adsorption of Cr(VI) by TP-nZVI/BC can be well described by the Langmuir model, and the maximum adsorption capacity reached 105.65 mg/g. FTIR and XPS analyses before and after adsorption demonstrate that nZVI plays a crucial role in the reduction process of Cr(VI), and the synergistic effects of surface adsorption, reduction, and co-precipitation enhance Cr(VI) removal. In summary, using green-modified biochar for Cr(VI) removal is a feasible and promising method with significant potential.
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Affiliation(s)
- Fengfeng Ma
- School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China.
- Key Laboratory of Yellow River Water Environment in Gansu Province, Lanzhou Jiaotong University, Lanzhou, 730070, China.
| | - Hao Zhao
- School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China
| | - Xudong Zheng
- School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China
| | - Jian Zhang
- School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China
| | - Weixuan Ding
- School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China
| | - Yaxian Jiao
- School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China
| | - Qing Li
- School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China
| | - Hongbing Kang
- School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China
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Lu D, Xing H, Ran Y, Cheng Y, Cui D, Liu S, Wang W, Huang Y. Nanostructured, Biodoping-Activated Fungi-Modified Wood for Enhanced Cd 2+ Removal: Performances and Insight on Adsorption Mechanisms. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:9120-9133. [PMID: 38629900 DOI: 10.1021/acs.langmuir.4c00524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
Nanostructured activated carbon (AC) adsorbents derived from woody biomass have garnered attention for their potential usage to remove toxic substances from the environment due to their high specific surface area, superior micro/mesoporosity, and tunable surface chemistry profile. However, chemical dopants widely used to enhance the chemical reactivity with heavy metals would pollute the environment and conflict with the vision of a cleaner and sustainable environment. Herein, we report a facile, green, and sustainable approach using fungi modification combined with alkali activation to produce AC for heavy metal removal. The decayed wood-derived AC (DAC) exhibited a high specific surface area of 2098 m2/g, and the content of O and N functional groups was 18 and 2.24%, respectively. It showed remarkable adsorption capacity toward Cd2+ of 148.7 mg/g, which was much higher than most reported Cd2+ adsorbents. Such excellent adsorption capacity was primarily based on enhanced physical adsorption (pore filling, π-π) and chemical adsorption (functional group complexation, ion exchange, and precipitation). Additionally, the DAC showed rapid kinetics and remarkable applicability in both dynamic environments and actual water samples. These results suggest that decayed wood has excellent potential for efficient use in the removal of Cd2+ from wastewater. Furthermore, these results indicate that decayed wood can be cleanly produced into high efficiency heavy metal adsorbents to realize value-added utilization of decayed wood.
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Affiliation(s)
- Dan Lu
- State Key Laboratory of Efficient Production of Forest Resources & MOE Key Laboratory of Wooden Material Science and Application, Beijing Forestry University, Beijing 100083, China
| | - Haowen Xing
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, China
| | - Yangyang Ran
- State Key Laboratory of Efficient Production of Forest Resources & MOE Key Laboratory of Wooden Material Science and Application, Beijing Forestry University, Beijing 100083, China
| | - Yongbin Cheng
- State Key Laboratory of Efficient Production of Forest Resources & MOE Key Laboratory of Wooden Material Science and Application, Beijing Forestry University, Beijing 100083, China
| | - Dunrui Cui
- State Key Laboratory of Efficient Production of Forest Resources & MOE Key Laboratory of Wooden Material Science and Application, Beijing Forestry University, Beijing 100083, China
| | - Shumin Liu
- State Key Laboratory of Efficient Production of Forest Resources & MOE Key Laboratory of Wooden Material Science and Application, Beijing Forestry University, Beijing 100083, China
| | - Wang Wang
- State Key Laboratory of Efficient Production of Forest Resources & MOE Key Laboratory of Wooden Material Science and Application, Beijing Forestry University, Beijing 100083, China
| | - Yuxiang Huang
- Research Institute of Wood Industry, Chinese Academy of Forestry, Haidian, Beijing 100091, China
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9
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He D, Luo Y, Zhu B. Feedstock and pyrolysis temperature influence biochar properties and its interactions with soil substances: Insights from a DFT calculation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 922:171259. [PMID: 38417524 DOI: 10.1016/j.scitotenv.2024.171259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 02/21/2024] [Accepted: 02/23/2024] [Indexed: 03/01/2024]
Abstract
The use of biochar for soil improvement and emission reduction has been widely recognized for its excellent performance. However, the choice of feedstock and pyrolysis temperature for biochar production significantly affects its surface parameters and interactions with soil substances. In this study, we retrieved 465 peer-reviewed papers on the application of biochar in reducing greenhouse gas emissions and nutrient losses in soil and analyzed the changes in biochar physicochemical parameters from different feedstock and pyrolytic temperatures. Molecular simulation computing technology was also used to explore the impacts of these changes on the interaction between biochar and soil substances. The statistical results from the peer-reviewed papers indicated that biochar derived from wood-based feedstock exhibits superior physical characteristics, such as increased porosity and specific surface area. Conversely, biochar derived from straw-based feedstock was found to contain excellent element content, such as O, N, and H, and biochar derived from straw and produced at low pyrolysis temperatures contains a significant number of functional groups that enhance the charge transfer potential and adsorption stability by increasing surface charge density, charge distribution and bonding orbitals. However, it should be noted that this enhancement may also activate certain recalcitrant C compounds and promote biochar decomposition. Taken together, these results have significant implications for biochar practitioners when selecting suitable feedstock and pyrolysis temperatures based on agricultural needs and increasing their understanding of the interaction mechanism between biochar and soil substances.
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Affiliation(s)
- Debo He
- Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China; Key Laboratory of Mountain Surface Process and Ecological Regulation, Chinese Academy of Sciences, Chengdu 610041, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yiming Luo
- Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China; Key Laboratory of Mountain Surface Process and Ecological Regulation, Chinese Academy of Sciences, Chengdu 610041, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Bo Zhu
- Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China; Key Laboratory of Mountain Surface Process and Ecological Regulation, Chinese Academy of Sciences, Chengdu 610041, China.
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10
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Deng R, Yue Z, Wang X, Xu Q, Wang J. Innovative recovery of matrix layered double hydroxide from simulated acid mine wastewater for the removal of copper and cadmium from wastewater. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:30196-30211. [PMID: 38600374 DOI: 10.1007/s11356-024-33262-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 04/05/2024] [Indexed: 04/12/2024]
Abstract
This study innovatively added biochar to optimize regulation in the neutralization process of simulated acid mine drainage (AMD) and recovered a new type of matrix layered double hydroxides (MLDH), which can be used to remove copper (Cu(II)) and cadmium (Cd(II)) from wastewater. A series of batch experiments show that MLDH with strong selective removal ability of Cu(II) and Cd(II) can be successfully obtained by adding biochar (BC) at pH = 5 end in the neutralization process. Kinetic and isotherm modeling studies indicated that the removal of Cu(II) and Cd(II) by the MLDH was a chemical multilayer adsorption process. The removal mechanism of Cu(II) and Cd(II) was further analyzed through related characterization analysis with contribution rate calculation: the removal rates of Cu(II) and Cd(II) by ion exchange were 42.7% and 26%, while that by precipitation were 34.5% and 49.9%, respectively. This study can provide a theoretical reference and experimental basis for the recovery and utilization of valuable by-products in AMD and the treatment of heavy metal wastewater.
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Affiliation(s)
- Rui Deng
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, 230009, Anhui, China
- Anhui Engineering Research Center of Industrial Wastewater Treatment and Resource Recovery, Hefei University of Technology, Hefei, 230009, Anhui, China
- Key Laboratory of Nanominerals and Pollution Control of Anhui Higher Education Institutes, Hefei University of Technology, Hefei, 230009, Anhui, China
| | - Zhengbo Yue
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, 230009, Anhui, China
- Anhui Engineering Research Center of Industrial Wastewater Treatment and Resource Recovery, Hefei University of Technology, Hefei, 230009, Anhui, China
- Key Laboratory of Nanominerals and Pollution Control of Anhui Higher Education Institutes, Hefei University of Technology, Hefei, 230009, Anhui, China
| | - Xinquan Wang
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, 230009, Anhui, China
- Anhui Engineering Research Center of Industrial Wastewater Treatment and Resource Recovery, Hefei University of Technology, Hefei, 230009, Anhui, China
| | - Qingsheng Xu
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, 230009, Anhui, China
- Anhui Engineering Research Center of Industrial Wastewater Treatment and Resource Recovery, Hefei University of Technology, Hefei, 230009, Anhui, China
| | - Jin Wang
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei, 230009, Anhui, China.
- Anhui Engineering Research Center of Industrial Wastewater Treatment and Resource Recovery, Hefei University of Technology, Hefei, 230009, Anhui, China.
- Key Laboratory of Nanominerals and Pollution Control of Anhui Higher Education Institutes, Hefei University of Technology, Hefei, 230009, Anhui, China.
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11
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Liu XM, Huan WW, Kang Y, Guo JZ, Wang YX, Li FH, Li B. Effects of cation types in persulfate on physicochemical and adsorptive properties of biochar prepared from persulfate-pretreated bamboo. BIORESOURCE TECHNOLOGY 2024; 393:130140. [PMID: 38043687 DOI: 10.1016/j.biortech.2023.130140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/14/2023] [Accepted: 11/28/2023] [Indexed: 12/05/2023]
Abstract
The adsorption behaviors of biochar are largely impacted by biomassfeedstock. In this study, two biochars were prepared from torrefaction of ammonium persulfate- and potassium persulfate-pretreated bamboo and then activated by cold alkali, which are named as ASBC and KSBC, respectively. The two biochars were characterized by different instruments, and their adsorption properties over cationic methylene blue (MB) were compared. The type of persulfates little affected the specific surface areas, but significantly impacted O (29.54 % vs. 35.113 %) and N (12.13 % vs. 3.74 %) contents, functional groups, and zeta potentials of biochars. MB adsorption onto ASBC/KSBC is a single-layer chemical endothermic process and ASBC/KSBC exhibit high adsorption capacity over MB (475/881 mg·g-1) at 303 K. Obviously, the sorption capacity of MB onto KSBC much surpasses that of MB onto ASBC. These results indicate biomass pre-treatment is a cheap and convenient method to prepare biochars with unique physicochemical and adsorptive properties.
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Affiliation(s)
- Xiao-Meng Liu
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China
| | - Wei-Wei Huan
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China
| | - Ying Kang
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China
| | - Jian-Zhong Guo
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China
| | - Yu-Xuan Wang
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China
| | - Feng-Hua Li
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China
| | - Bing Li
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China.
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12
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Jiao L, Wei W, Liao CY, Wei YH, Lei FH, Li W. Quaternary ammonium-functionalized rosin-derived resin for the high-performance capture of caramels: Experiments and quantum chemical theory simulations. JOURNAL OF HAZARDOUS MATERIALS 2024; 461:132633. [PMID: 37776775 DOI: 10.1016/j.jhazmat.2023.132633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 09/15/2023] [Accepted: 09/24/2023] [Indexed: 10/02/2023]
Abstract
Water contamination caused by discharge of spent washes containing colorants remains controversial. In this study, rosin-derived strongly basic macroporous anion-adsorption resin (RSBMAR) was designed as an advanced adsorbent for scavenging caramel, the most recalcitrant colorant in spent washes. Toxicity tests suggest that RSBMAR is environmentally friendly and hardly threatens aquatic organisms. RSBMAR exhibits outstanding caramel capture efficiency because of its rich target quaternary ammonium (-R4N+) and protonated tertiary amine (-R3NH+) groups, abundant porous structure, large specific surface area, excellent thermal stability, and good sphericity. The caramel adsorption capacity of RSBMAR was 165.86 mg/g and the decolorization efficiency reached 96.75%. After five cycles, the spent RSBMAR maintained a high decolorization rate, indicating excellent renewability. Multiple characterizations indicated that caramel capture was largely mediated by charge interaction between -R4N+/-R3NH+ (RSBMAR) and -RCOO-/-RCOOH (caramel), followed by H-bonds. Quantum chemical theory simulations, including electrostatic potential, local ionization energy, frontier molecular orbitals, and independent gradient model analyses, further visualized caramel capture mechanisms at atomic level. Hirshfeld surface analysis revealed that RSBMAR acts as both an H-bond donor and acceptor during caramel uptake. Dynamic adsorption was performed to treat real wastewater, laying the foundation for the industrial application of RSBMAR.
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Affiliation(s)
- Li Jiao
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, China
| | - Wei Wei
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, China
| | - Chun-Yu Liao
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, China
| | - Yan-Hong Wei
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, China
| | - Fu-Hou Lei
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, China; Key Laboratory of Chemistry and Engineering of Forest Products (State Ethnic Affairs Commission), Guangxi Minzu University, Nanning, China
| | - Wen Li
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, China; College of Chemical Engineering, Nanjing Tech University, Nanjing, China.
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13
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Zhang C, Yang D, Liu W, Dong Y, Zhang L, Lin H. Insight into the impacts of pyrolysis time on adsorption behavior of Pb 2+ and Cd 2+ by Mg modified biochar: Performance and modification mechanism. ENVIRONMENTAL RESEARCH 2023; 239:117215. [PMID: 37813135 DOI: 10.1016/j.envres.2023.117215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 09/19/2023] [Accepted: 09/23/2023] [Indexed: 10/11/2023]
Abstract
Co-pyrolysis biomass and alkaline metals can effectively improve the adsorption performance of heavy metals (HM). Nevertheless, the researchers have ignored the relationship between the change of alkaline metal morphology and adsorption during pyrolysis. In this article, according to control the pyrolysis time (30, 60, and 180 min) synthesized Magnesium (Mg) modified biochar (MBCX) by using MgCl2·6H2O and soybean straw under 400 °C. The sorption capacities of MBC60 and MBC180 for Pb2+/Cd2+ increased by 38.65%/213.29%, 44.57%/230.36%, and the selectivity coefficient of Pb2+/Cd2+ increased by 113.28%/209.49%, 213.58%/253.62%, respectively, compared with MBC30. Additionally, the characterization results demonstrated that MgO dominated the surface phases of MBC60 and MBC180, whereas MgCl2 dominated the surface phases of MBC30. Moreover, according to the results of DFT calculation, the adsorption energy (Eads) of MgO for Pb2+ (-0.537 eV) and Cd2+ (-0.347 eV) was lower than that of MgCl2 (Pb2+: 0.37 eV, Cd2+: -0.185 eV), so that, MBC60 and MBC180 had higher sorption capacities for Pb2+ and Cd2+ than MBC30. Therefore, this work provides a new sight to clear the mechanism for modified biochar by alkali metal oxide and practical and theoretical guidance for adsorbent preparation with high adsorption ability for HMs.
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Affiliation(s)
- Conghui Zhang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Dongsheng Yang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Wei Liu
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Yingbo Dong
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China; Beijing Key Laboratory on Resource-oriented Treatment of Industrial Pollutants, Beijing 100083, China
| | - Liping Zhang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Hai Lin
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China; Beijing Key Laboratory on Resource-oriented Treatment of Industrial Pollutants, Beijing 100083, China.
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14
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Liang E, Xu L, Su J, Liu Y, Qi S, Li X. Hydrogel bioreactor drives Feammox and synergistically removes composite pollutants: Performance optimization, microbial communities and functional genetic differences. BIORESOURCE TECHNOLOGY 2023; 387:129604. [PMID: 37544543 DOI: 10.1016/j.biortech.2023.129604] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/29/2023] [Accepted: 08/01/2023] [Indexed: 08/08/2023]
Abstract
Mixed pollutant wastewater has been a difficult problem due to the high toxicity of water bodies and the difficulty of treatment. Rice husk biochar modified with nano-iron tetroxide (RBC-nFe3O4) by polyvinyl alcohol cross-linking internal doping was used to introduce iron-reducing bacteria Klebsiella sp. FC61 to construct a bioreactor. The results of the long-term operation of the bioreactor showed that the removal efficiency of ammonia nitrogen (NH4+-N) and chemical oxygen demand best reached 90.18 and 98.49%, respectively. In addition, in the co-presence of Ni2+, Cd2+, and ciprofloxacin, the bioreactor was still able to remove pollutants efficiently by RBC-nFe3O4 and bio-iron precipitation inside the biocarrier. During the long-term operation, Klebsiella was always the dominant species in the bioreactor. And the sequencing data for functional prediction showed that the biocarrier contained a variety of enzymes and proteins involved in Feammox-related activities to ensure the stable and efficient operation of the bioreactor.
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Affiliation(s)
- Enlei Liang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Liang Xu
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Junfeng Su
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China.
| | - Yan Liu
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Shangzhe Qi
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Xuan Li
- College of Environmental Science & Engineering, Yancheng Institute of Technology, Yancheng 224051, China
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15
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Zanin Lima J, Monici Raimondi Nauerth I, Ferreira da Silva E, José Pejon O, Guimarães Silvestre Rodrigues V. Competitive sorption and desorption of cadmium, lead, and zinc onto peat, compost, and biochar. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 344:118515. [PMID: 37418925 DOI: 10.1016/j.jenvman.2023.118515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 06/11/2023] [Accepted: 06/23/2023] [Indexed: 07/09/2023]
Abstract
Soil and water contamination by potentially toxic metals (PTMs) has exerted adverse environmental impacts, which justifies studies of promising remediation alternatives. This article investigated the competitive sorption of cadmium (Cd), lead (Pb), and zinc (Zn) onto peat, compost, and biochar derived from the organic fraction of municipal solid waste (OFMSW), but its main innovation was the post-sorption assessment. The effects of contact time on competition between contaminants were systematically analyzed by batch experiments and the effectiveness of the sorption process was evaluated in desorption tests (H2O, HCl, NaOH, and NaCl) and sequential extraction. Kinetic data were well-fitted to pseudo-first-order (PFO) and pseudo-second-order (PSO) models and the intra-particle diffusion model revealed the existence of multiple linear regions, indicating the sorption process was controlled by a multi-step mechanism. The sorption capacities followed a biochar > compost > peat order, with biochar retaining more than 99% of Cd, Pb, and Zn in all samples. The general order of desorption percentage was peat > compost > biochar, with a below 0.60% biochar release, suggesting the importance of chemical processes. HCl solution (more acid pH) showed the highest release of previously sorbed contaminants and, therefore, can be employed for the reuse of sorbents (sorption/desorption cycles). The only exception was Pb desorption on biochar, with maximum release in NaOH solution. A negative Pearson correlation with F1 (acid-soluble/exchangeable fraction) for Cd and Zn and a positive one with the other steps were reported. Pb exhibited an opposite behavior, showing the highest sorption performances and the lowest desorption rates for all sorbents, justified by positive correlations with F4 (residual fraction) and negative ones with desorption. The findings suggest the evaluated sorbents, especially compost and biochar, can be effective materials in the simultaneous sorption of Cd, Pb, and Zn in wastewater, as well as an amendment for PTMs immobilization in contaminated soils.
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Affiliation(s)
- Jacqueline Zanin Lima
- Department of Geotechnical Engineering, São Carlos School of Engineering, University of São Paulo, 400 Trabalhador São Carlense Ave, São Carlos, 13566-590, Brazil; GeoBioTec, Department of Geoscience, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Isabela Monici Raimondi Nauerth
- Department of Geotechnical Engineering, São Carlos School of Engineering, University of São Paulo, 400 Trabalhador São Carlense Ave, São Carlos, 13566-590, Brazil
| | - Eduardo Ferreira da Silva
- GeoBioTec, Department of Geoscience, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Osni José Pejon
- Department of Geotechnical Engineering, São Carlos School of Engineering, University of São Paulo, 400 Trabalhador São Carlense Ave, São Carlos, 13566-590, Brazil
| | - Valéria Guimarães Silvestre Rodrigues
- Department of Geotechnical Engineering, São Carlos School of Engineering, University of São Paulo, 400 Trabalhador São Carlense Ave, São Carlos, 13566-590, Brazil.
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16
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Lv X, Zhou C, Shen Z, Zhang Y, He C, Du Y, Xiong Z, Huang R, Zhou P, Lai B. Waste leather derived porous carbon boosted Fenton oxidation towards removal of diethyl phthalate: Mechanism and long-lasting performance. JOURNAL OF HAZARDOUS MATERIALS 2023; 458:132040. [PMID: 37451102 DOI: 10.1016/j.jhazmat.2023.132040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/27/2023] [Accepted: 07/09/2023] [Indexed: 07/18/2023]
Abstract
The acceleration of Fe(III)/Fe(II) conversion in Fenton systems is the critical route to achieve the long-lasting generation of reactive oxygen species towards the oxidation of refractory contaminants. Here, we found that waste leather derived porous carbon materials (LPC), as a simple and readily available metal-free biochar material, can promote the Fe(III)/H2O2 system to generate hydroxyl radicals (•OH) for oxidizing a broad spectrum of contaminants. Results of characterizations, theoretical calculations, and electrochemical tests show that the surface carbonyl groups of LPC can provide electron for direct Fe(III) reduction. More importantly, the graphitic-N on surface of LPC can enhance the reactivity of Fe(III) for accelerating H2O2 induced Fe(III) reduction. The presence of LPC accelerates the Fe(III)/Fe(II) redox cycle in the Fe(III)/H2O2 system, sustainable Fenton chain reactions is thus initiated for long-lasting generation of hydroxyl radicals without adding Fe(II). The continuous flow mode that couples in-situ Fenton-like oxidation and LPC with excellent adsorption catalytic properties, anti-coexisting substances interference and reusability performance enables efficient, green and sustainable degradation of trace organic pollutants. Therefore, the application of metal-free carbon materials in Fenton-like system can solve its rate-limiting problem, reduce the production of iron sludge, achieve green Fenton chemistry, and facilitate the actual engineering application of economic and ecological methods to efficiently remove trace organic contaminants from actual water sources.
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Affiliation(s)
- Xin Lv
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Architecture & Environment, Sichuan University, Chengdu 610065, China; Sino-German Centre for Water and Health Research, Sichuan University, Chengdu 610065, China
| | - Chenying Zhou
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Architecture & Environment, Sichuan University, Chengdu 610065, China; Sino-German Centre for Water and Health Research, Sichuan University, Chengdu 610065, China
| | - Zhichao Shen
- Sichuan Development Environmental Science and Technology Research Institute, Chengdu 610095, China
| | - Yuchen Zhang
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Architecture & Environment, Sichuan University, Chengdu 610065, China; Sino-German Centre for Water and Health Research, Sichuan University, Chengdu 610065, China
| | - Chuanshu He
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Architecture & Environment, Sichuan University, Chengdu 610065, China; Sino-German Centre for Water and Health Research, Sichuan University, Chengdu 610065, China
| | - Ye Du
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Architecture & Environment, Sichuan University, Chengdu 610065, China; Sino-German Centre for Water and Health Research, Sichuan University, Chengdu 610065, China
| | - Zhaokun Xiong
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Architecture & Environment, Sichuan University, Chengdu 610065, China; Sino-German Centre for Water and Health Research, Sichuan University, Chengdu 610065, China
| | - Rongfu Huang
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Architecture & Environment, Sichuan University, Chengdu 610065, China.
| | - Peng Zhou
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Architecture & Environment, Sichuan University, Chengdu 610065, China; Sino-German Centre for Water and Health Research, Sichuan University, Chengdu 610065, China.
| | - Bo Lai
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Architecture & Environment, Sichuan University, Chengdu 610065, China; Sino-German Centre for Water and Health Research, Sichuan University, Chengdu 610065, China
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17
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Zhang Y, Tang Y, Yan R, Li J, Li C, Liang S. Removal performance and mechanisms of aqueous Cr (VI) by biochar derived from waste hazelnut shell. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:97310-97318. [PMID: 37587398 DOI: 10.1007/s11356-023-28603-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 06/30/2023] [Indexed: 08/18/2023]
Abstract
Cr (VI) is still of great concern due to its high toxicity, solubility, and mobility. The transformation of waste biomass to biochar is favorable for sustainable development. Hazelnut shell, an agriculture waste, was utilized as precursor to prepare biochar at 700 °C and firstly conducted for Cr (VI) removal. Nearly all 50 mg L-1 of Cr (VI) was removed from aqueous media in 180 min under the optimal conditions. The best compliance with pseudo-second-order kinetic model (R2 = 0.999) and Langmuir isotherm model (R2 = 0.999) indicated Cr (VI) removal was a monolayer chemisorption process. The hazelnut shell biochar exhibited superior performance on Cr (VI) removal at low pH (2.0) and Cr (VI) concentrations (≤ 50 mg L-1). Various techniques illustrated that the predominant mechanism of Cr (VI) removal by hazelnut shell biochar involved electrostatic attraction, reduction, and complexation. This study provides a promising low-cost alternative for Cr (VI) elimination from acidic wastewater and groundwater after extraction following by pH adjustment to 2.0.
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Affiliation(s)
- Yuting Zhang
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun, 130118, China
| | - Yuwei Tang
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun, 130118, China
| | - Ruiping Yan
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun, 130118, China
| | - Jinchunzi Li
- School of Food and Pharmaceutical Engineering (Liubao Tea Modern Industry College), Wuzhou University, Wuzhou, 543002, China
| | - Chenyang Li
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun, 130118, China
| | - Shuang Liang
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun, 130118, China.
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18
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Yao B, Zeng W, Núñez-Delgado A, Zhou Y. Simultaneous adsorption of ciprofloxacin and Cu 2+ using Fe and N co-doped biochar: Competition and selective separation. WASTE MANAGEMENT (NEW YORK, N.Y.) 2023; 168:386-395. [PMID: 37348381 DOI: 10.1016/j.wasman.2023.06.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 06/05/2023] [Accepted: 06/12/2023] [Indexed: 06/24/2023]
Abstract
The treatment of combined antibiotics and heavy metals pollution is a critical challenge. Herein, iron and nitrogen co-doped biochar (Fe/N-BC) was synthesized using rape straw as precursor, and applied for the adsorption of ciprofloxacin (CIP) and Cu2+ in single and binary systems. The qmax for CIP and Cu2+ were 46.45 mg g-1 and 30.77 mg g-1, respectively. Adsorption decreased in a binary matrix, indicating that there was a competitive effect between CIP and Cu2+, which might be due to CIP and Cu2+ sharing similar active adsorption sites on Fe/N-BC. Interestingly, CIP and Cu2+ co-adsorption was a pH-dependent process. Fe/N-BC has potential to highly selectively separate CIP/Cu2+ from mixed solutions through adjusting pH values. Furthermore, adsorption mechanisms were systematically investigated in this research. This research could help to provide a deeper understanding of the synchronously removing specific antibiotics and heavy metals by biochar adsorbents.
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Affiliation(s)
- Bin Yao
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of the Environment and Ecology, Hunan Agricultural University, Changsha 410128, China
| | - Wenqing Zeng
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of the Environment and Ecology, Hunan Agricultural University, Changsha 410128, China
| | - Avelino Núñez-Delgado
- Department of Soil Science and Agricultural Chemistry, Univ. Santiago de Compostela, Engineering Polytechnic School, Campus Univ. S/n, 27002 Lugo, Spain
| | - Yaoyu Zhou
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of the Environment and Ecology, Hunan Agricultural University, Changsha 410128, China.
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19
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Liu B, Zhang Z, Guan DX, Wang B, Zhou S, Chen T, Wang J, Li Y, Gao B. Qualitative and quantitative analysis for Cd 2+ removal mechanisms by biochar composites from co-pyrolysis of corn straw and fly ash. CHEMOSPHERE 2023; 330:138701. [PMID: 37062388 DOI: 10.1016/j.chemosphere.2023.138701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 04/10/2023] [Accepted: 04/14/2023] [Indexed: 05/14/2023]
Abstract
Removal of heavy metals (e.g., Cd) from contaminated water using waste-converted adsorbents is promising, but the efficiency still needs to be improved. Here, we prepared a functional biochar composite as novel Cd adsorbents by co-pyrolysis of two typical solid wastes, i.e., agricultural corn straw and industrial fly ash. The adsorption behavior and mechanism were investigated using batch and column adsorption experiments and modern characterization techniques. Results showed that alkali-modified fly ash (AMFA) was loaded onto the surface of the corn straw biochar as some fine particle forms, with quartz (SiO2) and silicate being the main mineral phases on the surface. The maximum sorption capacity fitted by Langmuir model for functionalized biochar composite (FBC700) was up to 137.1 mg g-1, which was 7.7 times higher than that of the original corn straw biochar (BC700). Spectroscopic analysis revealed that adsorption mechanisms of Cd onto the FBC700 included mainly precipitation and ion exchange, with complexation and Cd-π interaction also contributing. The AMFA could effectively improve the mineral precipitation with Cd. The adsorption columns filled with FBC700 exhibited a longer breakthrough time than that filled with BC700. The adsorption capacity calculated by Thomas model for FBC700 was also approximately 6.0 times higher than that for BC700, showing that FBC700 was more suited to practical applications. This study provided a novel perspective for recycling solid wastes and treating Cd-contaminated water.
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Affiliation(s)
- Bingxiang Liu
- School of Resources and Environmental Engineering, Anhui University, Hefei, 230601, China; Anhui Province Key Laboratory of Wetland Ecosystem Protection and Restoration, Anhui University, Hefei, 230601, China.
| | - Zihang Zhang
- School of Resources and Environmental Engineering, Anhui University, Hefei, 230601, China
| | - Dong-Xing Guan
- Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Bing Wang
- College of Resources and Environment Engineering, Guizhou University, Guiyang, 550025, China
| | - Shaoqi Zhou
- College of Resources and Environment Engineering, Guizhou University, Guiyang, 550025, China
| | - Tong Chen
- School of Resources and Environmental Engineering, Anhui University, Hefei, 230601, China
| | - Jintao Wang
- School of Resources and Environmental Engineering, Anhui University, Hefei, 230601, China
| | - Yucheng Li
- School of Resources and Environmental Engineering, Anhui University, Hefei, 230601, China
| | - Bo Gao
- Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing, 100038, China
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20
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Prelac M, Palčić I, Cvitan D, Anđelini D, Repajić M, Ćurko J, Kovačević TK, Goreta Ban S, Užila Z, Ban D, Major N. Biochar from Grapevine Pruning Residues as an Efficient Adsorbent of Polyphenolic Compounds. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4716. [PMID: 37445031 DOI: 10.3390/ma16134716] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 06/26/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023]
Abstract
Agricultural waste, which is produced in large quantities annually, can be a threat to the environment. Biochar (BC) production represents a potential solution for reducing the amount of grapevine pruning residues and, accordingly, the impact on the environment and climate change. Biochar produced by the process of pyrolysis from grapevine pruning residues was investigated and characterized to be applied as an adsorbent of polyphenolic compounds with the aim of using the waste from viticultural production to obtain a quality product with adsorption and recovery potential. Standards of caffeic acid (CA), gallic acid (GA), and oleuropein (OLP) were used as polyphenolic representatives. The obtained data were fitted with the Langmuir and Freundlich isotherms models to describe the adsorption process. The best KL (0.39) and R2 (0.9934) were found for OLP using the Langmuir model. Furthermore, the adsorption dynamics and recovery potential of BC were investigated using an adapted BC column and performed on an HPLC instrument. The adsorption dynamics of biochar resulted in the adsorption of 5.73 mg CA g-1 of BC, 3.90 mg GA g-1 of BC, and 3.17 mg OLP g-1 of BC in a 24 h contact. The online solid phase extraction of the compounds performed on an HPLC instrument yielded a recovery of 41.5 ± 1.71% for CA, 61.8 ± 1.16% for GA, and 91.4 ± 2.10% for OLP. The investigated biochar has shown a higher affinity for low-polar compound adsorption and, consequently, a higher polar compound recovery suggesting its potential as an efficient polyphenolic compound adsorbent.
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Affiliation(s)
- Melissa Prelac
- Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia
| | - Igor Palčić
- Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia
| | - Danko Cvitan
- Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia
| | - Dominik Anđelini
- Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia
| | - Maja Repajić
- Department of Food Engineering, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia
| | - Josip Ćurko
- Department of Food Engineering, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia
| | | | | | - Zoran Užila
- Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia
| | - Dean Ban
- Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia
| | - Nikola Major
- Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia
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21
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Xing J, Dong W, Liang N, Huang Y, Wu M, Zhang L, Chen Q. Sorption of organic contaminants by biochars with multiple porous structures: Experiments and molecular dynamics simulations mediated by three-dimensional models. JOURNAL OF HAZARDOUS MATERIALS 2023; 458:131953. [PMID: 37390686 DOI: 10.1016/j.jhazmat.2023.131953] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 06/21/2023] [Accepted: 06/26/2023] [Indexed: 07/02/2023]
Abstract
Interactions between organic pollutants and carbon-based particles are critical for understanding and predicting the fate of organic contaminants in the environment. However, traditional modeling concepts did not consider three-dimensional (3-D) structures of carbon-based materials. This prevents a deep understanding of the sequestration of organic pollutants. Therefore, this study revealed interactions between organics and biochars by combining experimental measurements and molecular dynamics simulations. Biochars displayed the best and worst sorption performances for naphthalene (NAP) and benzoic acid (BA), respectively, among the five adsorbates. The kinetic model fitting suggested that biochar pores played a vital role during sorption and led to the fast and slow sorption of organics on the biochar surface and in pores, respectively. Active sites on the biochar surface predominantly sorbed organics. Organics were only sorbed in pores when the surface's active sites were fully occupied. These results can guide the development of efficient organic pollution control strategies to protect human health and improve ecological security.
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Affiliation(s)
- Jing Xing
- Yunnan Provincial Key Lab of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, Yunnan, China
| | - Wei Dong
- Yunnan Provincial Key Lab of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, Yunnan, China
| | - Ni Liang
- Yunnan Provincial Key Lab of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, Yunnan, China
| | - Yu Huang
- Yunnan Provincial Key Lab of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, Yunnan, China
| | - Min Wu
- Yunnan Provincial Key Lab of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, Yunnan, China
| | - Lijuan Zhang
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Quan Chen
- Yunnan Provincial Key Lab of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, Yunnan, China.
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22
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Zhao H, Wang Z, Liang Y, Wu T, Chen Y, Yan J, Zhu Y, Ding D. Adsorptive decontamination of antibiotics from livestock wastewater by using alkaline-modified biochar. ENVIRONMENTAL RESEARCH 2023; 226:115676. [PMID: 36907344 DOI: 10.1016/j.envres.2023.115676] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 02/14/2023] [Accepted: 03/09/2023] [Indexed: 06/18/2023]
Abstract
Efficient abatement of antibiotics from livestock wastewater is in urgent demand, but still challenging. In this study, alkaline-modified biochar with larger surface area (130.520 m2 g-1) and pore volume (0.128 cm3 g-1) was fabricated and explored for the adsorption of different types of antibiotics from livestock wastewater. Batch adsorption experiments demonstrated that the adsorption process was mainly determined by chemisorption and was heterogeneous, which could be moderately affected by the variations of solution pH (3-10). Furthermore, the computational analysis based on density functional theory (DFT) indicated that the -OH groups on biochar surface could serve as the dominant active sites for antibiotics adsorption due to the strongest adsorption energies between antibiotics and -OH groups. In addition, the antibiotics removal was also evaluated in multi-pollutants system, where biochar performed synergistic adsorption towards Zn2+/Cu2+ and antibiotics. Overall, these findings not only deepen our understandings on the adsorption mechanism between biochar and antibiotics, but also promote the application of biochar in the remediation of livestock wastewater.
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Affiliation(s)
- Haiyan Zhao
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Ziqian Wang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yonghong Liang
- Jiangsu Provincial Cultivated Land Quality and Agricultural Environmental Protection Station, China
| | - Tianxiang Wu
- Jiangsu Provincial Cultivated Land Quality and Agricultural Environmental Protection Station, China
| | - Yiliang Chen
- College of Biology and the Environment, Nanjing Forestry University, Nanjing, 210037, China
| | - Jieru Yan
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yiyong Zhu
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Dahu Ding
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China.
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23
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Tan X, Liu J, Liu M, Zhang Y, Liu Q, Duan G, Cui J, Lin A. Arsenic removal and stabilization behavior of schwertmannite@BC (Sch@BC) in contaminated dual media (water/soil): Via sulfate exchange and chemical complexation. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 325:121431. [PMID: 36914151 DOI: 10.1016/j.envpol.2023.121431] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 03/08/2023] [Accepted: 03/09/2023] [Indexed: 06/18/2023]
Abstract
Arsenic (As) is extremely harmful to the ecological environment and human health owing to its high toxicity. The composite that biochar (BC) modified by Schwertmannite (Sch), marked as Sch@BC, were prepared to remediate As-contaminated water and soil with a high efficiency. The characterization results showed that the Sch particles were successfully loaded on the BC, providing more active sites for As(V) adsorption. Compared with the pristine BC, the adsorption capacity of Sch@BC-1 was significantly improved (50.00 mg/g), of which the adsorption capacity kept stable over a wide pH range (pH = 2-8). The adsorption process conformed to pseudo-second-order kinetics and Langmuir isotherm model, which indicated that chemical adsorption was the dominant mechanism and the adsorption rate was controlled by intraparticle diffusion. Sch@BC could adsorb As(V) through electrostatic interaction and ion exchange, forming a FeAsO4 complex and removing As(V). The 5-week soil incubation experiment showed that 3% Sch@BC showed the optimal stabilization effect, while the proportion of stable crystalline Fe/Mn-bound fractionation (F4) increased. Moreover, the results of microbial community diversity showed that Sch@BC interacted with As-resistant dominant microorganisms such as Proteobacteria in soil, promoted their growth and reproduction, and improved the stability of As in soil. In summary, Sch@BC is an excellent agent with broad application prospects for remediating As-contaminated water and soil.
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Affiliation(s)
- Xiao Tan
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Jiahao Liu
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Meng Liu
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Yinjie Zhang
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Qi Liu
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Guilan Duan
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100029, PR China
| | - Jun Cui
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Aijun Lin
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China.
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24
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Mao T, Lin L, Shi X, Cheng Y, Luo X, Fang C. Research Progress of Treatment Technology and Adsorption Materials for Removing Chromate in the Environment. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2979. [PMID: 37109815 PMCID: PMC10142896 DOI: 10.3390/ma16082979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/04/2023] [Accepted: 04/06/2023] [Indexed: 06/19/2023]
Abstract
Cr is used extensively in industry, so the number of Cr (VI) hazards is increasing. The effective control and removal of Cr (VI) from the environment are becoming an increasing research priority. In order to provide a more comprehensive description of the research progress of chromate adsorption materials, this paper summarizes the articles describing chromate adsorption in the past five years. It summarizes the adsorption principles, adsorbent types, and adsorption effects to provide methods and ideas to solve the chromate pollution problem further. After research, it is found that many adsorbents reduce adsorption when there is too much charge in the water. Besides, to ensure adsorption efficiency, there are problems with the formability of some materials, which impact recycling.
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Affiliation(s)
- Tan Mao
- College of Mechanical and Material Engineering, North China University of Technology, Beijing 100144, China
- College of Mechanical and Precision Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China
| | - Liyuan Lin
- College of Mechanical and Material Engineering, North China University of Technology, Beijing 100144, China
| | - Xiaoting Shi
- College of Mechanical and Material Engineering, North China University of Technology, Beijing 100144, China
| | - Youliang Cheng
- College of Mechanical and Precision Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China
| | - Xueke Luo
- College of Mechanical and Material Engineering, North China University of Technology, Beijing 100144, China
| | - Changqing Fang
- College of Mechanical and Precision Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China
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25
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Tang JY, Xiong YS, Li MX, Jia R, Zhou LS, Fan BH, Li K, Li W, Li H, Lu HQ. Hyperbranched polyethyleneimine-functionalised chitosan aerogel for highly efficient removal of melanoidins from wastewater. JOURNAL OF HAZARDOUS MATERIALS 2023; 447:130731. [PMID: 36640505 DOI: 10.1016/j.jhazmat.2023.130731] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 12/23/2022] [Accepted: 01/03/2023] [Indexed: 06/17/2023]
Abstract
Melanoidins are hazardous dark-coloured substances contained in molasses-based distillery wastewater. Adsorption is an effective approach to eliminate melanoidins from wastewater. However, melanoidin adsorption capacities of available adsorbents are unsatisfactory, which seriously limits their practical application. A hyperbranched polyethyleneimine-functionalised chitosan aerogel (HPCA) was fabricated as an effective adsorbent for melanoidin scavenging. HPCA demonstrated superior melanoidin adsorption efficiency because of its high specific surface area, abundant amino functional groups, and high hydrophilicity. Melanoidin removal rate of HPCA was 94.95%, which remained at 91.45% after 5 cycles. Notably, using the Langmuir isothermal model, the maximum melanoidin adsorption capacity of HPCA was determined to be 868.36 mg/g, surpassing those of most of previously reported adsorbents. Toxicity experiments indicated that HPCA can be considered a safe adsorbent with excellent biocompatibility that hardly threatens aquatic organisms. The efficient melanoidin removal of HPCA was attributed to electrostatic attraction, H-bonding, and van der Waals force. However, the adsorption might be predominantly controlled by electrovalent interaction between protonated amino groups of HPCA and carboxyl/carboxylate groups of melanoidins. Two novel models, namely, external diffusion resistance-internal diffusion resistance mixed model and adsorption on active site model, were employed to describe the dynamic mass transfer characteristics of melanoidin adsorption by HPCA.
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Affiliation(s)
- Jia-Yi Tang
- College of Light Industry and Food Engineering, Guangxi University, Nanning, China
| | - Yan-Shu Xiong
- College of Light Industry and Food Engineering, Guangxi University, Nanning, China
| | - Ming-Xing Li
- College of Light Industry and Food Engineering, Guangxi University, Nanning, China
| | - Ran Jia
- College of Light Industry and Food Engineering, Guangxi University, Nanning, China
| | - Li-Shu Zhou
- College of Light Industry and Food Engineering, Guangxi University, Nanning, China
| | - Bo-Huan Fan
- College of Light Industry and Food Engineering, Guangxi University, Nanning, China
| | - Kai Li
- College of Light Industry and Food Engineering, Guangxi University, Nanning, China
| | - Wen Li
- Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning, China.
| | - Hong Li
- College of Light Industry and Food Engineering, Guangxi University, Nanning, China
| | - Hai-Qin Lu
- College of Light Industry and Food Engineering, Guangxi University, Nanning, China.
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26
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Tao D, Tian C, Zhou Y, Pei L, Zhang F. Effective removal of brilliant green with magnetic barium phosphate composites: factor analysis and mechanism study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:50364-50375. [PMID: 36795211 DOI: 10.1007/s11356-023-25819-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 02/05/2023] [Indexed: 04/16/2023]
Abstract
In this work, magnetic barium phosphate (FBP) composites with different content of commercial Fe3O4 nanoparticles were easily prepared by a one-step hydrothermal method. FBP composites with a magnetic content of 3% (FBP3) were studied as the example for the removal of an organic pollutant (Brilliant Green, BG) from the synthetic medium. The adsorption study was executed under the variation of different experimental conditions, such as solution pH (5 ~ 11), dosage (0.02 ~ 0.20 g), temperature (293 ~ 323 K), and the contact time (0 ~ 60 min) on the removal of BG. For comparison purposes, the one-factor-at-a-time (OFAT) approach and Doehlert matrix (DM) were both employed to investigate the factor impacts involved. FBP3 showed a high adsorption capacity of 1419.3 ± 10.0 mg/g for at 25 °C and pH = 6.31. The kinetics study revealed the pseudo-second-order kinetic model as the best-fitted model, and the thermodynamic data fit well with the Langmuir model. The possible adsorption mechanisms involved are the electrostatic interaction and/or hydrogen bonding of PO43-…N+/C-H and HSO4-…Ba2+ between FBP3 and BG. Furthermore, FBP3 showed good easy reusability and high capacities for BG removal. Our results provide new insights for developing low-cost, efficient, and reusable adsorbent to remove BG from industrial wastewater.
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Affiliation(s)
- Dan Tao
- College of Science, Nanjing Agricultural University, Nanjing, 210095, China
| | - Chengxuan Tian
- College of Science, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yuxin Zhou
- College of Science, Nanjing Agricultural University, Nanjing, 210095, China
| | - Luyao Pei
- College of Science, Nanjing Agricultural University, Nanjing, 210095, China
| | - Fan Zhang
- College of Science, Nanjing Agricultural University, Nanjing, 210095, China.
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27
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Yang Y, Kang Z, Xu G, Yu Y. Enhanced adsorption performance of bensulfuron methyl with B doping biochar: Mechanism and density functional theory calculations. BIORESOURCE TECHNOLOGY 2023; 372:128657. [PMID: 36690217 DOI: 10.1016/j.biortech.2023.128657] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/16/2023] [Accepted: 01/18/2023] [Indexed: 06/17/2023]
Abstract
It is an urgent task to develop suitable adsorbents for the control of herbicide-bensulfuron methyl (BSM) in the paddy rice fields at cold regions. Herein, B doping biochar was synthesized via one-step method. Results showed that the adsorption capacity for BSM on 1.0BBC was significantly superior to BC at 15 °C. Besides, low temperature resistance, wide pH adaptability, stable adsorption performance and reusability test suggested that 1.0BBC have potential practical application. The mechanisms of BSM removal by 1.0BBC were mainly attributed to pore filling and π-π electron donor-acceptor (EDA) interaction. Theoretical calculations revealed that BCO2 could enhance the adsorption capacity by π-π EDA between BSM and adsorbent. Meanwhile, hydroponic experiment demonstrated that the toxicity to soybean after adsorption of BSM by 1.0BBC was within the safe range. This study proves that 1.0BBC is an easy-to-prepare adsorbent with promising application in BSM removal in the rice paddy fields at lower temperature.
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Affiliation(s)
- Yang Yang
- Key Laboratory of Wetland Ecology and Environment, State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhichao Kang
- Key Laboratory of Wetland Ecology and Environment, State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guanghui Xu
- Key Laboratory of Wetland Ecology and Environment, State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China
| | - Yong Yu
- Key Laboratory of Wetland Ecology and Environment, State Key Laboratory of Black Soils Conservation and Utilization, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China.
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28
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Quantitatively ion-exchange between Mg(II) and Pb(II)/Cd(II) during the highly efficient adsorption by MgO-loaded lotus stem biochar. J Taiwan Inst Chem Eng 2023. [DOI: 10.1016/j.jtice.2023.104736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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29
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Wang Z, Won SW. Polyethylenimine-Crosslinked 3-Aminopropyltriethoxysilane-Grafted Multiwall Carbon Nanotubes for Efficient Adsorption of Reactive Yellow 2 from Water. Int J Mol Sci 2023; 24:ijms24032954. [PMID: 36769277 PMCID: PMC9917493 DOI: 10.3390/ijms24032954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/25/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023] Open
Abstract
This research intended to report amine-functionalized multiwall carbon nanotubes (MWCNTs) prepared by a simple method for efficient and rapid removal of Reactive Yellow 2 (RY2) from water. EDS analysis showed that the N content increased from 0 to 2.42% and from 2.42 to 8.66% after modification by 3-Aminopropyltriethoxysilane (APTES) and polyethylenimine (PEI), respectively. BET analysis displayed that the specific surface area, average pore size, and total pore volume were reduced from 405.22 to 176.16 m2/g, 39.67 to 6.30 nm, and 4.02 to 0.28 cm3/g, respectively. These results proved that the PEI/APTES-MWCNTs were successfully prepared. pH edge experiments indicated that pH 2 was optimal for RY2 removal. At pH 2 and 25 °C, the time required for adsorption equilibrium was 10, 15, and 180 min at initial concentrations of 50, 100, and 200 mg/L, respectively; and the maximum RY2 uptake calculated by the Langmuir model was 714.29 mg/g. Thermodynamic studies revealed that the adsorption process was spontaneous and endothermic. Moreover, 0-0.1 mol/L of NaCl showed negligible effect on RY2 removal by PEI/APTES-MWCNTs. Five adsorption/desorption cycles confirmed the good reusability of PEI/APTES-MWCNTs in RY2 removal. Overall, the PEI/APTES-MWCNTs are a potential and efficient adsorbent for reactive dye wastewater treatment.
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Affiliation(s)
- Zhuo Wang
- Department of Ocean System Engineering, Gyeongsang National University, 2 Tongyeonghaean-ro, Tongyeong 53064, Gyeongnam, Republic of Korea
| | - Sung Wook Won
- Department of Ocean System Engineering, Gyeongsang National University, 2 Tongyeonghaean-ro, Tongyeong 53064, Gyeongnam, Republic of Korea
- Department of Marine Environmental Engineering, Gyeongsang National University, 2 Tongyeonghaean-ro, Tongyeong 53064, Gyeongnam, Republic of Korea
- Correspondence: ; Tel.: +82-55-772-9136
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30
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Lai L, Liu X, Ren W, Zhou Z, Zhao X, Zeng X, Lin C, He M, Ouyang W. Efficient removal of Sb(III) from water using β-FeOOH-modified biochar:Synthesis, performance and mechanism. CHEMOSPHERE 2023; 311:137057. [PMID: 36328318 DOI: 10.1016/j.chemosphere.2022.137057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 10/16/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
Since the toxicity of Sb(III) is 10 times as high as that of Sb(V) in the environment, it is urgent to find a way to cut down Sb(III). β-FeOOH-modified biochar (β-FeOOH/BC) was prepared and used to remove Sb(III). The characterization results suggested that oxygen-containing functional groups formed on β-FeOOH/BC, which increased the Sb(III) removal efficiency. Even under complex water matrix conditions, the outstanding adsorption performance of β-FeOOH/BC for Sb(III) was obtained. The adsorption reaction rapidly reached a high removal efficiency within 5 min and approached adsorption equilibrium in about 6 h. The adsorption process was fitted to pseudo-second-order kinetics. Amount of maximum adsorption was 202.53 mg g-1 at 308 K according to Langmuir model. β-FeOOH/BC removed Sb(III) mainly through pore-filling complexation, cation-π and coordination exchange. The CO sites and persistent free radicals (PFRs) acted as electron acceptors, facilitating the electron transfer. In brief, β-FeOOH/BC adsorbent material could adsorb and oxidize Sb(III), which showed excellent prospects for reducing the risk of Sb(III).
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Affiliation(s)
- Ling Lai
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Xitao Liu
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China.
| | - Wenbo Ren
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Zhou Zhou
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China; North China Power Engineering CO., Ltd of China Power Engineering Group, Beijing 100120, China
| | - Xiwang Zhao
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Xiaofeng Zeng
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Chunye Lin
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Mengchang He
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Wei Ouyang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
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31
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Luo L, Yang C, Yang X, Liu F, Wang X, Chen P, Zhao T. Construction of ultra-microporous activated carbons derived from waste distiller's grains for efficient CO2 adsorption. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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32
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Su Y, Xie K, Xiao J, Chen S. Influence of Microbial Treatment on the Preparation of Porous Biochar with Stepped-Up Performance and Its Application in Organic Pollutants Control. Int J Mol Sci 2022; 23:ijms232214082. [PMID: 36430558 PMCID: PMC9695483 DOI: 10.3390/ijms232214082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/07/2022] [Accepted: 11/08/2022] [Indexed: 11/18/2022] Open
Abstract
In this study, Irisensata Thunb grass (ITG) was used as a biomass carbon resource to prepare biochars for the first time. After microbial treatment, the obtained microbial-treated ITG (MITG) was activated by using a mixed base as an activator for preparation of biochar (MITGB). The specific surface area and total pore volume of MITGB were 3036.4 m2/g and 1.5252 cm3/g, which were higher than those of biochar prepared without microbial treatment (ITGB, 2930.0 m2/g and 1.5062 cm3/g). Besides, the physicochemical properties of MITGB and ITGB were also quite different including micro morphology, surface chemistry, functional groups, etc. In the experiment of removing organic pollutants with synthetic dye RhB and antibiotic TH as the models, MITGB showed excellent treatment ability. The maximum adsorption capacities of MITGB for RhB and TH were 1354.2 and 1462.6 mg/g, which were higher than most of the biochars. In addition, after five cycles of recycling, the adsorption capacities of the organic pollutant models can still be maintained at more than 80%, which showed high stability. This work verified the feasibility of microbial treatment to further improve the performance of biochar and provided a new idea and direction for exploring other biochars.
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Affiliation(s)
- Yingjie Su
- College of Life Sciences, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Straw Comprehensive Utilization and Black Soil Conservation, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Keyu Xie
- College of Life Sciences, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Straw Comprehensive Utilization and Black Soil Conservation, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Jiaohui Xiao
- College of Life Sciences, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Straw Comprehensive Utilization and Black Soil Conservation, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Siji Chen
- College of Life Sciences, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Straw Comprehensive Utilization and Black Soil Conservation, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
- Correspondence:
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Gao F, Xu X, Yang J. Removal of p-nitrophenol from simulated sewage using MgCo-3D hydrotalcite nanospheres: capability and mechanism. RSC Adv 2022; 12:27044-27054. [PMID: 36320857 PMCID: PMC9494026 DOI: 10.1039/d2ra01883g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 09/12/2022] [Indexed: 08/15/2023] Open
Abstract
4-Nitrophenol (4-NP) is an organic pollutant found in the wastewater discharged from coking and petrochemical industries, and it is highly toxic, persistent, and bioaccumulative. 4-NP is difficult to degrade and causes serious damage to human health and the ecological environment. In this study, MgCo-3D hydrotalcite nanospheres were synthesized via the hot solvent method using ZIF-67 as a template for 4-NP removal from wastewater. The composition and structure of MgCo-3D hydrotalcite nanospheres were characterized via X-ray diffraction (XRD), Scanning electron microscope (SEM), Transmission Electron Microscope (TEM), Fourier-transform infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XPS), Energy Dispersive Spectroscopy (EDS), and BET analyses. The maximum adsorption capacity was 131.59 mg g-1 under the optimized conditions (pH = 7, t = 298 K, C 0 = 50 mg L-1, dose = 0.4 g L-1). The adsorption obeyed the Langmuir, Redlich-Peterson and Sips models and pseudo-second-order kinetics, and the adsorption activation energy was 29.4 kJ mol-1, indicating a monolayer physical adsorption phenomenon. The adsorption of 4-NP on the MgCo-3D hydrotalcite nanospheres mainly involved hydrogen bonding and electrostatic interactions. The nanospheres were regenerated using the hot-air purging method. After five adsorption-desorption cycles, the adsorption capacity reached 107.6 mg g-1, indicating the good regeneration performance of the MgCo-3D hydrotalcite nanospheres.
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Affiliation(s)
- Fei Gao
- East China University of Science and Technology School of Chemical Engineering China
| | - Xinru Xu
- East China University of Science and Technology School of Chemical Engineering China
| | - Jingyi Yang
- East China University of Science and Technology School of Chemical Engineering China
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Chen X, Yu G, Chen Y, Tang S, Su Y. Cow Dung-Based Biochar Materials Prepared via Mixed Base and Its Application in the Removal of Organic Pollutants. Int J Mol Sci 2022; 23:ijms231710094. [PMID: 36077497 PMCID: PMC9456264 DOI: 10.3390/ijms231710094] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 08/31/2022] [Accepted: 09/01/2022] [Indexed: 12/24/2022] Open
Abstract
Cow dung (CD) is a waste product of livestock production. Improper disposal of a large amount of CD will cause environmental pollution. In this work, three biochar materials based on CD (BMCD) were prepared by using three types of base, including KOH, NaOH, and mixed base (MB, a mixture of equal mass NaOH and KOH) as activators to investigate the different physicochemical properties of BMCDs (BMCD-K, BMCD-Na, and BMCD-MB). The objective was to verify the effectiveness of MB activation in the preparation of biochar materials. The results show that MB has an effect on the structural characteristics of BMCDs. In particular, the surface area and total pore volume, the specific surface area, and the total pore volume of BMCD-MB (4081.1 m2 g−1 and 3.0118 cm3 g−1) are significantly larger than those of BMCD-K (1784.6 m2 g−1 and 1.1142 cm3 g−1) and BMCD-Na (1446.1 m2 g−1 and 1.0788 cm3 g−1). While synthetic dye rhodamine B (RhB) and antibiotic tetracycline hydrochloride (TH) were selected as organic pollutant models to explore the adsorption performances, the maximum adsorption capacities of BMCD-K, BMCD-NA and BMCD-MB were 951, 770, and 1241 mg g−1 for RhB, 975, 1051, and 1105 mg g−1 for TH, respectively, which were higher than those of most adsorbents. This study demonstrated that MB can be used as an effective activator for the preparation of biochar materials with enhanced performance.
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Affiliation(s)
- Xiaoxin Chen
- College of Life Sciences, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Straw Comprehensive Utilization and Black Soil Conservation, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Gengxin Yu
- College of Life Sciences, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Straw Comprehensive Utilization and Black Soil Conservation, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Yuanhui Chen
- Key Laboratory of Straw Comprehensive Utilization and Black Soil Conservation, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Shanshan Tang
- College of Life Sciences, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Straw Comprehensive Utilization and Black Soil Conservation, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Yingjie Su
- College of Life Sciences, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Straw Comprehensive Utilization and Black Soil Conservation, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
- Correspondence:
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