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Yu K, Huan WW, Teng HJ, Guo JZ, Li B. Effect of oxygen-containing functional group contents on sorption of lead ions by acrylate-functionalized hydrochar. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 349:123921. [PMID: 38574948 DOI: 10.1016/j.envpol.2024.123921] [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: 02/02/2024] [Revised: 04/01/2024] [Accepted: 04/02/2024] [Indexed: 04/06/2024]
Abstract
The surface functional groups of hydrochar are crucial to its surface properties, and their contents are strongly positively correlated with the adsorption performance. In this study, acrylate-functionalized hydrochar (AHC) with varying contents of O-containing functional groups (OFGs) was synthesized via hydrothermal carbonization (HTC) of bamboo, acrylic acid and an initiator, and then deprotonated with NaOH. The AHCs were analyzed by various characterization techniques. During HTC, the higher amount of acrylic acid added led to higher carbon, oxygen and carboxyl contents, and to the larger specific surface area and pore volume of AHC. The adsorption kinetics, isotherms, thermodynamic, ionic strength and pH effects of Pb(II) on AHC were studied. Adsorption isotherms and kinetics obeyed Langmuir and pseudo-second-order models, respectively, indicating adsorption is monolayer chemical process. The adsorptive ability was well linearly related to the OFG contents of AHC. When acrylic acid was added to 25 mL during HTC, the adsorbing ability of AHC over Pb(II) reached 193.90 mg g-1. Hence, direct HTC of acrylic acid, biomass and an initiator can prepare hydrochar with controllable OFG contents, which is a prospective adsorbent for treating metal cations.
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Affiliation(s)
- Kun Yu
- 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
| | - Hua-Jing Teng
- 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
| | - Bing Li
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang, 311300, PR China.
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2
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Yu J, Bai L, Feng Z, Chen L, Xu S, Wang Y. Waste treats waste: Facile fabrication of porous adsorbents from recycled PET and sodium alginate for efficient dye removal. CHEMOSPHERE 2024; 355:141738. [PMID: 38513955 DOI: 10.1016/j.chemosphere.2024.141738] [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: 12/12/2023] [Revised: 02/26/2024] [Accepted: 03/15/2024] [Indexed: 03/23/2024]
Abstract
Dye-contaminated water and waste plastic both pose enormous threats to human health and the ecological environment, and simultaneously solving these two issues in a sustainable and resource-saving way is highly important. In this work, a sodium alginate-polyethylene terephthalate-sodium alginate (SA@PET) composite adsorbent for efficient dye removal is fabricated using wasted PET bottle and marine plant-based SA via simple and energy-efficient nonsolvent-induced phase separation (NIPS) method. Benefiting from its porous structure and the abundant binding sites, SA@PET shows an excellent methylene blue (MB) adsorption capacity of 1081 mg g-1. The Redlich-Peterson model more accurately describes the adsorption behavior, suggesting multiple adsorption mechanisms. In addition to the electrostatic attractions of SA to MB, polar interactions between the PET matrix and MB are also identified as adsorption mechanisms. It is worth mentioning that SA@PET could be recycled 7 times without a serious decrease in performance, and the trifluoroacetic acid-dichloromethane solvent involved in the NIPS process has the possibility of reuse and stepwise recovery. Finally, the discarded adsorbent could be completely degraded under mild conditions. This work provides not only a composite adsorbent with excellent cationic dye removal performance for wastewater treatment, but also an upcycling strategy for waste PET.
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Affiliation(s)
- Jing Yu
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Lan Bai
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Zijun Feng
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Lin Chen
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Shimei Xu
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Yuzhong Wang
- Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University, Chengdu 610064, China.
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3
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Jalilian M, Bissessur R, Ahmed M, Hsiao A, He QS, Hu Y. A review: Hydrochar as potential adsorbents for wastewater treatment and CO 2 adsorption. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 914:169823. [PMID: 38199358 DOI: 10.1016/j.scitotenv.2023.169823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 12/15/2023] [Accepted: 12/29/2023] [Indexed: 01/12/2024]
Abstract
To valorize the biomass and organic waste, hydrothermal carbonization (HTC) stands out as a highly efficient and promising pathway given its intrinsic advantages over other thermochemical processes. Hydrochar, as the main product obtained from HTC, is widely applied as a fuel source and soil conditioner. Aside from these applications, hydrochar can be either directly used or modified as bio-adsorbents for environmental remediation. This potential arises from its tunable surface chemistry and its suitability to act as a precursor for activated or engineered carbon. In view of the importance of this topic, this review offers a thorough examination of the research progress for using hydrochar and its modified forms to remove organic dyes (cationic and anionic dyes), heavy metals, herbicides/pesticides, pharmaceuticals, and CO2. The review also sheds light on the fundamental chemistry involved in HTC of biomass and the major analytical techniques applied for understanding surface chemistry of hydrochar and modified hydrochar. The knowledge gaps and potential hurdles are identified to highlight the challenges and prospects of this research field with a summary of the key findings from this review. Overall, this article provides valuable insights and directives and pinpoints the areas meriting further investigation in the application potential of hydrochar in wastewater management and CO2 capture.
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Affiliation(s)
- Milad Jalilian
- Faculty of Sustainable Design Engineering, University of Prince Edward Island, Charlottetown, PE C1A 4P3, Canada
| | - Rabin Bissessur
- Department of Chemistry, University of Prince Edward Island, Charlottetown, PE C1A 4P3, Canada
| | - Marya Ahmed
- Faculty of Sustainable Design Engineering, University of Prince Edward Island, Charlottetown, PE C1A 4P3, Canada; Department of Chemistry, University of Prince Edward Island, Charlottetown, PE C1A 4P3, Canada
| | - Amy Hsiao
- Faculty of Sustainable Design Engineering, University of Prince Edward Island, Charlottetown, PE C1A 4P3, Canada
| | - Quan Sophia He
- Department of Engineering, Faculty of Agriculture, Dalhousie University, Truro, NS, B2N 5E3, Canada.
| | - Yulin Hu
- Faculty of Sustainable Design Engineering, University of Prince Edward Island, Charlottetown, PE C1A 4P3, Canada.
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4
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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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5
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Wang YS, Huo TR, Wang Y, Bai JW, Huang PP, Li C, Deng SY, Mei H, Qian J, Zhang XC, Ding C, Zhang QY, Wang WK. Constructing mesoporous biochar derived from waste carton: Improving multi-site adsorption of dye wastewater and investigating mechanism. ENVIRONMENTAL RESEARCH 2024; 242:117775. [PMID: 38029815 DOI: 10.1016/j.envres.2023.117775] [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: 07/07/2023] [Revised: 10/31/2023] [Accepted: 11/04/2023] [Indexed: 12/01/2023]
Abstract
The development of cost-efficient biochar adsorbent with a simple preparation method is essential to constructing efficient wastewater treatment system. Here, a low-cost waste carton biochar (WCB) prepared by a simple two-step carbonization was applied in efficiently removing Rhodamine B (RhB) in aqueous environment. The maximum ability of WCB for RhB adsorption was 222 mg/g, 6 and 10 times higher than both of rice straw biochar (RSB) and broadbean shell biochar (BSB), respectively. It was mainly ascribed to the mesopore structure (3.0-20.4 nm) of WCB possessing more spatial sites compared to RSB (2.2 nm) and BSB (2.4 nm) for RhB (1.4 nm✕1.1 nm✕0.6 nm) adsorption. Furthermore, external mass transfer (EMT) controlled mass transfer resistance (MTR) of the RhB sorption process by WCB which was fitted with the Langmuir model well. Meanwhile, the adsorption process was dominated by physisorption through van der Waals forces and π-π interactions. A mixture of three dyes in river water was well removed by using WCB. This work provides a straightforward method of preparing mesoporous biochar derived from waste carton with high-adsorption capacity for dye wastewater treatment.
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Affiliation(s)
- Yan-Shan Wang
- School of Geographic Sciences, Nantong University, Nantong, 226007, China; Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, China
| | - Tong-Rong Huo
- School of Geographic Sciences, Nantong University, Nantong, 226007, China
| | - Yan Wang
- Anhui Province Key Laboratory of Industrial Wastewater and Environmental Treatment, Hefei, 230000, China
| | - Jia-Wen Bai
- Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, China
| | - Ping-Ping Huang
- School of Geographic Sciences, Nantong University, Nantong, 226007, China
| | - Chen Li
- Anhui Province Key Laboratory of Industrial Wastewater and Environmental Treatment, Hefei, 230000, China
| | - Shi-Yu Deng
- School of Geographic Sciences, Nantong University, Nantong, 226007, China
| | - Hong Mei
- Anhui Province Key Laboratory of Industrial Wastewater and Environmental Treatment, Hefei, 230000, China
| | - Jun Qian
- Anhui Province Key Laboratory of Industrial Wastewater and Environmental Treatment, Hefei, 230000, China
| | - Xiao-Chi Zhang
- School of Geographic Sciences, Nantong University, Nantong, 226007, China
| | - Chen Ding
- School of Geographic Sciences, Nantong University, Nantong, 226007, China
| | - Qiu-Yu Zhang
- School of Geographic Sciences, Nantong University, Nantong, 226007, China
| | - Wei-Kang Wang
- Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, China.
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6
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Li H, Gong X, Meng D, Wu F, Zhang J, Ren D. Effective adsorption of bisphenol A from aqueous solution using phosphoric acid-assisted hydrochar. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:123083-123097. [PMID: 37980323 DOI: 10.1007/s11356-023-30951-5] [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: 08/17/2023] [Accepted: 11/03/2023] [Indexed: 11/20/2023]
Abstract
Sycamore leaf biochar (PSAC) was prepared by a two-step phosphoric acid-assisted hydrothermal carbonization combined with a short-time activation method. The characterization results showed that the introduction of phosphoric acid molecules and thermal activation resulted in a substantial increase in the specific surface area (994.21 m2/g) and microporous capacity (0.307 cm3/g) of PSAC. The batch adsorption results showed that the adsorption process of PSAC on bisphenol A (BPA) was best described by the pseudo-second-order kinetic model and Sips isothermal model, with a maximum adsorption capacity of 247.42 mg/g. The adsorption of BPA onto PSAC was determined to be a spontaneous endothermic process. The equilibrium adsorption capacity of PSAC exhibited an upward trend with increasing initial BPA concentration and temperature while decreasing with higher adsorbent dosage and pH value. Coexisting cations and humic acids in water have little impact on the adsorption performance of PSAC for BPA. The adsorption mechanism of BPA by PSAC was mainly governed by pore filling and hydrogen bonding interactions, π-π interactions, and intraparticle diffusion. Furthermore, PSAC demonstrated good reusability by its sustained adsorption capacity of BPA, which remained at 82.6% of the initial adsorption capacity even after four adsorption-desorption cycles. These findings highlight the potential of utilizing low-cost sycamore leaf biochar as an effective adsorbent for the removal of the endocrine disruptor BPA.
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Affiliation(s)
- Hao Li
- School of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, 430081, China
- Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Re-Sources, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Xiangyi Gong
- School of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, 430081, China.
- Hubei Key Laboratory of Mine Environmental Pollution Control and Remediation, Hubei Polytechnic University, Huangshi, 435003, China.
| | - Dekang Meng
- School of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Fengying Wu
- School of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Jiaquan Zhang
- School of Environmental Science and Engineering, Hubei Polytechnic University, Huangshi, 435003, China
| | - Dajun Ren
- School of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, 430081, China
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7
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Huang SA, Teng HJ, Su YT, Liu XM, Li B. Trithiocyanurate-functionalized hydrochar for effectively removing methylene blue and Pb (II) cationic pollutants. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 337:122585. [PMID: 37734632 DOI: 10.1016/j.envpol.2023.122585] [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: 07/19/2023] [Revised: 09/16/2023] [Accepted: 09/18/2023] [Indexed: 09/23/2023]
Abstract
Functionalization can change the physicochemical properties of hydrochar and improve its ability to adsorb pollutants. Herein, a trithiocyanurate-functionalized hydrochar (TTHC) was obtained from acylation of chloroacetyl chloride and hydrochar and modification with trithiocyanuric acid in alkaline conditions. TTHC can efficiently remove cationic methylene blue (MB) and Pb(II) from wastewater. The removal can be expressed with pseudo-second-order kinetic and Langmuir models. The MB and Pb(II) removed uptakes by TTHC at 298 K exceeded 909.9 and 182.8 mg g-1 respectively, and the removal rates reached 90% and 98% within 120 min respectively. Characterizations show TTHC is functionalized with trithiocyanurate, and rich in thiolate and aromaticity, and tends to adsorb MB/Pb(II) via multiple adsorption mechanisms. After five sorption-desorption regeneration cycles, TTHC maintained 80% and 99% adsorption capacities for MB and Pb(II) respectively. Therefore, TTHC is a promising efficient sorbent for removing MB and Pb(II) from effluents.
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Affiliation(s)
- Shen-Ao Huang
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang, 311300, PR China
| | - Hua-Jing Teng
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang, 311300, PR China
| | - Yin-Tao Su
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang, 311300, PR China
| | - Xiao-Meng Liu
- 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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8
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Chen Y, Huang SA, Yu K, Guo JZ, Wang YX, Li B. Adsorption of lead ions and methylene blue on acrylate-modified hydrochars. BIORESOURCE TECHNOLOGY 2023; 379:129067. [PMID: 37080438 DOI: 10.1016/j.biortech.2023.129067] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 04/07/2023] [Accepted: 04/16/2023] [Indexed: 05/03/2023]
Abstract
Hydrochars are promising sorbents for wastewater treatment. Herein, two acrylate-modified hydrochars (AMHC1 and AMHC2) were obtained by grafting acrylic acid on the surface of two hydrochars (MHC1 and MHC2 hydrothermally carbonized in water and acidic medium respectively) with free radical polymerization. Characterizations show that MHC2 is more prone to free radical polymerization than MHC1 does, and has higher carboxylate content after modification. The adsorption amounts of AMHC2 over methylene blue (MB) and Pb(II) are much higher than those of AMHC1. Pseudo-second-order kinetic and Langmuir isotherm equations well fit the Pb(II) and MB sorption data of AMHC2. The Pb(II) adsorptive mechanism is mainly inner-surface complexation accompanied by ion exchange and cation-π interaction. MB adsorption involves ion exchange, electrostatic interaction, H-bonding and π-π interaction. Hence, the one-step modification method of free radical polymerization under alkaline condition has great potential for preparing carboxylate-modified hydrochars to adsorb cationic pollutants.
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Affiliation(s)
- Yan Chen
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China
| | - Shen-Ao Huang
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China
| | - Kun Yu
- 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
| | - Bing Li
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China.
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9
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Soroush S, Ronsse F, Park J, Ghysels S, Wu D, Kim KW, Heynderickx PM. Microwave assisted and conventional hydrothermal treatment of waste seaweed: Comparison of hydrochar properties and energy efficiency. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 878:163193. [PMID: 37003343 DOI: 10.1016/j.scitotenv.2023.163193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 03/27/2023] [Accepted: 03/27/2023] [Indexed: 05/13/2023]
Abstract
Waste seaweed is a valuable source for converting into value-added carbon materials. In this study, the production of hydrochar from waste seaweed was optimized for hydrothermal carbonization in a microwave process. The produced hydrochar was compared with hydrochar synthesized by the regular process using a conventional heating oven. The results show that hydrochar produced with a holding time of 1 h by microwave heating has similar properties to the hydrochar produced in a conventionally heated oven for 4 h (200 °C and water/biomass ratio 5): carbon mass fraction (52.4 ± 3.9 %), methylene blue adsorption capacity (40.2 ± 0.2 mg g-1) and similar observations on surface functional groups and thermal stability were made between hydrochars produced by both methods. The analysis of energy consumption showed microwave assisted carbonization consume higher energy in compare to conventional oven. The present results suggest that hydrochar made from waste seaweed and using the microwave technique could be an energy-saving technology for producing hydrochar with similar specifications to hydrochar produced by conventional heating methods.
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Affiliation(s)
- Sepideh Soroush
- Centre for Environmental and Energy Research (CEER)-Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, South Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium
| | - Frederik Ronsse
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium
| | - Jihae Park
- Lab of Plant Growth Analysis, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, South Korea
| | - Stef Ghysels
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium
| | - Di Wu
- Centre for Environmental and Energy Research (CEER)-Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, South Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium
| | - Kyoung-Woong Kim
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, South Korea
| | - Philippe M Heynderickx
- Centre for Environmental and Energy Research (CEER)-Engineering of Materials via Catalysis and Characterization, Ghent University Global Campus, 119-5 Songdomunhwa-Ro, Yeonsu-Gu, Incheon 406-840, South Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium.
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10
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Zhou Y, Remón J, Pang X, Jiang Z, Liu H, Ding W. Hydrothermal conversion of biomass to fuels, chemicals and materials: A review holistically connecting product properties and marketable applications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 886:163920. [PMID: 37156381 DOI: 10.1016/j.scitotenv.2023.163920] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 04/12/2023] [Accepted: 04/29/2023] [Indexed: 05/10/2023]
Abstract
Biomass is a renewable and carbon-neutral resource with good features for producing biofuels, biochemicals, and biomaterials. Among the different technologies developed to date to convert biomass into such commodities, hydrothermal conversion (HC) is a very appealing and sustainable option, affording marketable gaseous (primarily containing H2, CO, CH4, and CO2), liquid (biofuels, aqueous phase carbohydrates, and inorganics), and solid products (energy-dense biofuels (up to 30 MJ/kg) with excellent functionality and strength). Given these prospects, this publication first-time puts together essential information on the HC of lignocellulosic and algal biomasses covering all the steps involved. Particularly, this work reports and comments on the most important properties (e.g., physiochemical and fuel properties) of all these products from a holistic and practical perspective. It also gathers vital information addressing selecting and using different downstream/upgrading processes to convert HC reaction products into marketable biofuels (HHV up to 46 MJ/kg), biochemicals (yield >90 %), and biomaterials (great functionality and surface area up to 3600 m2/g). As a result of this practical vision, this work not only comments on and summarizes the most important properties of these products but also analyzes and discusses present and future applications, establishing an invaluable link between product properties and market needs to push HC technologies transition from the laboratory to the industry. Such a practical and pioneering approach paves the way for the future development, commercialization and industrialization of HC technologies to develop holistic and zero-waste biorefinery processes.
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Affiliation(s)
- Yingdong Zhou
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, PR China; China Leather and Footwear Research Institute Co. Ltd., Beijing 100015, PR China
| | - Javier Remón
- Thermochemical Processes Group, Aragón Institute for Engineering Research (I3A), University of Zaragoza, C/Mariano Esquillor s/n, 50.018, Zaragoza, Spain.
| | - Xiaoyan Pang
- China Leather and Footwear Research Institute Co. Ltd., Beijing 100015, PR China
| | - Zhicheng Jiang
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, PR China
| | - Haiteng Liu
- China Leather and Footwear Research Institute Co. Ltd., Beijing 100015, PR China
| | - Wei Ding
- China Leather and Footwear Research Institute Co. Ltd., Beijing 100015, PR China.
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11
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Han X, Wang Z, Lu N, Tang J, Lu P, Zhu K, Guan J, Feike T. Comprehensive study on the hydrochar for adsorption of Cd(II): preparation, characterization, and mechanisms. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:64221-64232. [PMID: 37061638 DOI: 10.1007/s11356-023-26956-9] [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: 01/11/2023] [Accepted: 04/07/2023] [Indexed: 05/11/2023]
Abstract
Hydrothermal carbonization process via converting invasive plants into functional materials may provide a novel strategy to comprehensively control and utilized the exotic invasive plants. In this study, Eupatorium adenophorum was utilized to fabricate the hydrochar via hydrothermal carbonization process, which was further applied to remove Cd(II). The results showed that the hydrochar was a mesoporous material with abundant O-containing functional groups (OFPs) on the surface. The adsorption isotherms were fitted by both the Langmuir and Freundlich models, and the maximum adsorption amount achieved 24.53 mg/g. The adsorption dynamics were governed by surface adsorption and film diffusion. pH and ionic strength can exert a strong influence on the adsorption efficiency. The mechanisms on the adsorption of Cd(II) on the hydrochar concluded the pore-filling effects, electrostatic interactions, ion exchange, precipitation, coordination with π electrons, and surface complexation with the OFPs, such as hydroxyl, carboxylic, phenol, acetyl, and ester groups. Thus, hydrothermal carbonization process may provide a promising technique to fabricate the hydrocar for the treatment of Cd(II), which may facilitate comprehensive control of invasive plants and boost to the carbon neutrality.
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Affiliation(s)
- Xu Han
- School of Environment, Northeast Normal University, Changchun, 130117, People's Republic of China
| | - Zirui Wang
- School of Environment, Northeast Normal University, Changchun, 130117, People's Republic of China
| | - Nan Lu
- School of Environment, Northeast Normal University, Changchun, 130117, People's Republic of China
| | - Jiaqing Tang
- School of Environment, Northeast Normal University, Changchun, 130117, People's Republic of China
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210046, People's Republic of China
| | - Ping Lu
- College of Resources and Environment, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Ke Zhu
- School of Thermal Engineering, Shandong Jianzhu University, Jinan, 250000, People's Republic of China
| | - Jiunian Guan
- School of Environment, Northeast Normal University, Changchun, 130117, People's Republic of China.
| | - Til Feike
- Federal Research Centre for Cultivated Plants, Inst. for Strategies and Technology Assessment, Julius Kühn-Institut, 14532, Kleinmachnow, Germany
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12
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Guo X, Liu Z, Tong Z, Jiang N, Chen W. Adsorption of Rhodamine B from an aqueous solution by acrylic-acid-modified walnut shells: characterization, kinetics, and thermodynamics. ENVIRONMENTAL TECHNOLOGY 2023; 44:1691-1704. [PMID: 34873998 DOI: 10.1080/09593330.2021.2011430] [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: 08/28/2021] [Accepted: 11/14/2021] [Indexed: 06/13/2023]
Abstract
A batch experiment was used in studying the effect of acrylic-acid-modified walnut shell (MWNS) as a low-cost adsorbent for removing Rhodamine B (RB) cationic dye in aqueous solutions. The adsorbent dosage, initial dye concentration, contact time, temperature, pH, and supporting electrolyte concentration on the adsorption behaviour of the adsorbent were explored. The adsorbent was characterized using the point of zero charge (pHPZC), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), automatic specific surface analysis (BET), and X-ray photoelectron spectroscopy (XPS). Results showed that MWNS had abundant active groups and rough surface, which is conducive to the adsorption process. The kinetics and equilibrium data of MWNS-to-RB adsorption were in accordance pseudo-second-order kinetic and Freundlich isotherm models, respectively. Under optimal adsorption conditions, the maximum adsorption capacity of RB was 48.87 mg·g-1. Thermodynamic results showed spontaneously and exothermically the adsorption process. Moreover, the addition of electrolyte had a negative effect on equilibrium adsorption capacity and adsorption rate.HIGHLIGHTS Acrylic-acid-modified walnut shells was used as an adsorbent for the removal of Rhodamine B (RB).The adsorption of RB by modified walnut shells was greatly affected by pH.Pseudo-second-order kinetic and Freundlich model fit the experimental data.The modified walnut shell can remove RB through electrostatic attraction, hydrogen bonding, and electron donor-acceptor interaction.
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Affiliation(s)
- Xianzhe Guo
- School of Chemistry and Environmental Engineering, Yangtze University, Hubei, People's Republic of China
| | - Zhuozhuang Liu
- School of Chemistry and Environmental Engineering, Yangtze University, Hubei, People's Republic of China
| | - Zhiming Tong
- School of Chemistry and Environmental Engineering, Yangtze University, Hubei, People's Republic of China
| | - Nan Jiang
- School of Chemistry and Environmental Engineering, Yangtze University, Hubei, People's Republic of China
| | - Wu Chen
- School of Chemistry and Environmental Engineering, Yangtze University, Hubei, People's Republic of China
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13
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Kalderis D, Seifi A, Kieu Trang T, Tsubota T, Anastopoulos I, Manariotis I, Pashalidis I, Khataee A. Bamboo-derived adsorbents for environmental remediation: A review of recent progress. ENVIRONMENTAL RESEARCH 2023; 224:115533. [PMID: 36828248 DOI: 10.1016/j.envres.2023.115533] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 02/11/2023] [Accepted: 02/19/2023] [Indexed: 06/18/2023]
Abstract
The bamboo family of plants is one of the fastest-growing species in the world. As such, there is an abundance of bamboo residues available for exploitation, especially in southeast Asian, central African and south American regions. The preparation of efficient adsorbents from bamboo residues is an emerging exploitation pathway. Biochars, activated carbons or raw bamboo fibers embedded with nanoparticles, each class of materials has been shown to be highly efficient in adsorption processes. This review aims to summarize recent findings in the application of bamboo-based adsorbents in the removal of organic, inorganic, or gaseous pollutants. Therefore, this review first discusses the preparation methods and surface modification methodologies and their effects on the adsorbent elemental content and other basic properties. The following sections assess the recent progress in the adsorption of heavy metals, organics, and gaseous substances by bamboo-based adsorbents, focusing on the optimum adsorption capacities, adsorption mechanisms and the optimum-fitting kinetic models and isotherms. Finally, research gaps were identified and directions for future research are proposed.
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Affiliation(s)
- Dimitrios Kalderis
- Laboratory of Environmental Technologies and Applications, Department of Electronic Engineering, Hellenic Mediterranean University, Chania 73100, Greece
| | - Azam Seifi
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran; Department of Chemistry, Gebze Technical University, 41400 Gebze, Turkey
| | - Trinh Kieu Trang
- Department of Applied Chemistry, Faculty of Engineering, Kyushu Institute of Technology, 1-1 Sensuicho, Tobata-ku, 804-8550 Kitakyushu, Japan
| | - Toshiki Tsubota
- Department of Applied Chemistry, Faculty of Engineering, Kyushu Institute of Technology, 1-1 Sensuicho, Tobata-ku, 804-8550 Kitakyushu, Japan
| | - Ioannis Anastopoulos
- Department of Agriculture, University of Ioannina, UoI Kostakii Campus, 47040 Arta, Greece
| | - Ioannis Manariotis
- Department of Civil Engineering, Environmental Engineering Laboratory, University of Patras, 26504 Patras, Greece
| | | | - Alireza Khataee
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran; Department of Environmental Engineering, Faculty of Engineering, Gebze Technical University, 41400 Gebze, Turkey; Saveetha School of Engineering , Saveetha Institute of Medical and Technical Sciences, 602105 Chennai, India.
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14
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Fang X, Zhang D, Feng Y, Li X, Ding D, Wang X, Xu Z. Directional regulation and mechanism analysis of the surface properties of hydrothermal carbon by circulating liquid in the hydrothermal carbonization procedure. ENVIRONMENTAL RESEARCH 2023; 229:116003. [PMID: 37127106 DOI: 10.1016/j.envres.2023.116003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/13/2023] [Accepted: 04/25/2023] [Indexed: 05/03/2023]
Abstract
The complexity of the chemistry behind the hydrothermal conversion is enormous. Components interact with their own physical and chemical structure, making it harsh to understand the conversion as a whole. Herein, the six-water recirculation and loading nano SiO2 experiment in a one-pot hydrothermal carbonization procedure was designed to elucidate the mechanism of regulating the functional groups and microporous structure of the hydrochar surface. The hydrochar prepared by the second circulating liquid and loading nano-SiO2 (HBC-R2/Si) was equipped most enriched functional groups (carboxyl = 11.48 μmol/g, phenolic hydroxyl = 52.98 μmol/g, lactone groups = 46.52 μmol/g) and suitable pore size (1.90 nm-1.93 nm) as a sorbent riched in hemicellulose. The sorption kinetics (equilibrium reached ≈ 480 min) are approximately evenly fitted by the pseudo-second-order, Weber and Morris, and Elovich models, indicating that membranes and particles diffusion, pore diffusion, and surface sorption coexisted in the sorption of methylene blue (MB) on the hydrochar materials. Simultaneously, all hydrochar materials achieved over 25% MB removal within 90 min (liquid membrane diffusion) and over 40% for HBC-R2 and HBC-R2/Si, suggesting that liquid membrane diffusion is the predominant rate-limiting step. Pearson's correlation analysis and Mantel's analysis announced that the cation exchange capacity (CEC), pore size, and carboxyl groups on the hemicellulose affect the sorption capacity by limiting the pore diffusion procedure. However, the CEC and the phenolic hydroxyl groups on the cellulose and hemicellulose affect the sorption rate by limiting membrane diffusion. Three consecutive sorption/desorption cycles confirmed the high stability and reusability of HBC-R2/Si composites.
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Affiliation(s)
- Xiaojie Fang
- Department of Resources and Environmental Science, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - Di Zhang
- Department of Resources and Environmental Science, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China; Key Laboratory of Black Soil Protection and Restoration, Harbin, Heilongjiang, 150030, China.
| | - Yanming Feng
- Department of Resources and Environmental Science, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - Xiang Li
- Department of Resources and Environmental Science, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - Ding Ding
- Department of Resources and Environmental Science, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - Xinting Wang
- Department of Resources and Environmental Science, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - Ziqi Xu
- Harbin De Qiang School, Harbin, Heilongjiang, 150000, China
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15
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Sun XN, Yu K, He JH, Chen Y, Guo JZ, Li B. Multiple roles of ferric chloride in preparing efficient magnetic hydrochar for sorption of methylene blue from water solutions. BIORESOURCE TECHNOLOGY 2023; 373:128715. [PMID: 36754236 DOI: 10.1016/j.biortech.2023.128715] [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: 12/13/2022] [Revised: 02/02/2023] [Accepted: 02/04/2023] [Indexed: 06/18/2023]
Abstract
Highly efficient and cheap magnetic materials have application prospects in wastewater treatment. Herein, Fe3O4-loaded hydrochar (HC-Fe3O4) was obtained from hydrothermal carbonization (HTC) of bamboo with FeCl3 and then added with FeCl3 to form a magnetic sorbent via simple precipitation. The HC-Fe3O4 was characterized with various instruments. The characterizations show FeCl3 plays at least two roles as a catalyst and an oxidant in HTC. The specific surface area of hydrochar enlarged from 39.9731 to 60.9887 m2·g-1 after the addition of FeCl3 during HTC, which showed FeCl3 acted as a catalyst in HTC. XRD indicated Fe3O4 was formed by the structure of HC-Fe3O4, which indicated Fe(III) was reduced to Fe(II) during HTC. Sorption of methylene blue (MB) onto HC-Fe3O4 was better fitted by the Langmuir isotherm and pseudo-second-order kinetic models. Sorption is a spontaneous thermodynamic endothermic process and HC-Fe3O4 is easily separated by an applied magnetic field and reused.
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Affiliation(s)
- Xiao-Na Sun
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China
| | - Kun Yu
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China
| | - Jiong-Hua He
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China
| | - Yan Chen
- 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
| | - Bing Li
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China.
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16
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Wang Z, Lu N, Cao X, Li Q, Gong S, Lu P, Zhu K, Guan J, Feike T. Interactions between Cr(VI) and the hydrochar: The electron transfer routes, adsorption mechanisms, and the accelerating effects of wood vinegar. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 863:160957. [PMID: 36528950 DOI: 10.1016/j.scitotenv.2022.160957] [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: 09/21/2022] [Revised: 12/08/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
Conversion of the low-valued invasive plant biomass into high-grade carbonaceous materials may provide a novel strategy to tackle the global issues of climate changes and exotic plant invasion. In this study, the hydrochar was fabricated from the biomass of Eupatorium adenophorum spreng. via hydrothermal carbonization (HTC) process to remove Cr(VI). The adsorption thermodynamics and kinetics were investigated via batch experiments, and the electron transfer routes and adsorption mechanisms were further revealed based on systematic characterization. The adsorption isotherms were well fitted by the Langmuir model with a maximum adsorption amount of 7.76 mg/g. The adsorption was spontaneous, and the surface adsorption and intraparticle diffusion may be the speed-limiting steps. Both -OH group and furan structures may donate the electrons to reduce Cr(VI), and the adsorption was governed by the surface complexation with the oxygen-containing functional groups including hydroxyl and carboxyl. Furthermore, the wood vinegar, as the by-product, can significantly accelerate the reduction rate of Cr(VI). Thus, this study provided a new strategy to fabricate carbonaceous materials which may facilitate to boost the carbon neutrality and control of invasive plants.
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Affiliation(s)
- Zirui Wang
- School of Environment, Northeast Normal University, Changchun 130117, PR China
| | - Nan Lu
- School of Environment, Northeast Normal University, Changchun 130117, PR China
| | - Xu Cao
- School of Environment, Northeast Normal University, Changchun 130117, PR China
| | - Qingzi Li
- School of Environment, Northeast Normal University, Changchun 130117, PR China; College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Shangyu Gong
- School of Environment, Northeast Normal University, Changchun 130117, PR China
| | - Ping Lu
- College of Resources and Environment, Northeast Agricultural University, Harbin 150030, PR China
| | - Ke Zhu
- School of Thermal Engineering, Shandong Jianzhu University, Fengming Road 1000, 250000, PR China
| | - Jiunian Guan
- School of Environment, Northeast Normal University, Changchun 130117, PR China.
| | - Til Feike
- Julius Kühn-Institut (JKI), Federal Research Centre for Cultivated Plants, Inst. for Strategies and Technology Assessment, 14532 Kleinmachnow, Germany
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17
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Wang C, Kong L, Chen B, Zhou L, Wang W, Wei S. Edge-oriented phosphatizing engineering of 2D Ni-MOFs with a tailored d-band center for boosting catalytic activity. NANOSCALE 2023; 15:3542-3549. [PMID: 36723142 DOI: 10.1039/d2nr06264j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Metal-organic framework (MOF)-based heterostructures have aroused widespread interest owing to their extensive compositional tunability and interesting catalytic properties. However, the precise edge-oriented growth of transition metal compounds at the edges of 2D MOFs to construct edge mode heterostructures remains a great challenge due to their inherent thermodynamic instability. Here, edge-oriented growth of Ni2P at the edges of a 2D Ni-MOF was achieved for the first time by precisely tuning the phosphorus source content and phosphating temperature. Owing to the formation of the edge mode Ni-MOF/Ni2P heterostructure, the as-prepared heterostructure showed upregulated d-band center, more robust 4-nitrophenol (4-NP) adsorption capacity, lowered energy barrier of the rate-determining step (RDS), and higher specific surface area, resulting in the best performance of the hydrogenation reduction of 4-NP to 4-aminophenol (4-AP) in the presence of non-precious metal catalysts.
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Affiliation(s)
- Chongchong Wang
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Bio-Functional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Key Laboratory of Applied Photochemistry, Nanjing Normal University, Nanjing 210023, China.
| | - Lulu Kong
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Bio-Functional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Key Laboratory of Applied Photochemistry, Nanjing Normal University, Nanjing 210023, China.
| | - Bingbing Chen
- Department of Energy Science and Engineering, Nanjing Tech University, Nanjing 210009, China
| | - Lin Zhou
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Bio-Functional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Key Laboratory of Applied Photochemistry, Nanjing Normal University, Nanjing 210023, China.
| | - Wei Wang
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Bio-Functional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Key Laboratory of Applied Photochemistry, Nanjing Normal University, Nanjing 210023, China.
| | - Shaohua Wei
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
- College of Chemistry and Materials Science, Jiangsu Key Laboratory of Bio-Functional Materials, Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials, Key Laboratory of Applied Photochemistry, Nanjing Normal University, Nanjing 210023, China.
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18
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El-Harbawi M, Alhawtali S, Al-Awadi AS, El Blidi L, Alrashed MM, Alzobidi A, Yin CY. Synthesis of Carbon Microspheres from Inedible Crystallized Date Palm Molasses: Influence of Temperature and Reaction Time. MATERIALS (BASEL, SWITZERLAND) 2023; 16:1672. [PMID: 36837301 PMCID: PMC9963818 DOI: 10.3390/ma16041672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/08/2023] [Accepted: 02/12/2023] [Indexed: 06/18/2023]
Abstract
In this work, carbon microspheres (CMs) were prepared by hydrothermal carbonization (HTC) of inedible crystallized date palm molasses. The effects of temperature and reaction time on the prepared materials were studied. Experiments were carried out at different temperatures (180, 200, 230 and 250 °C) with reaction times ranging from 2 to 10 h. It was found that temperature had the greatest influence on the mass yield of the CMs. No solid products were observed at a temperature of 180 °C and a reaction time less than 2 h. The highest yield was found to be 40.4% at 250 °C and a reaction time of 6 h. The results show that the CMs produced were approximately 5-9 μm in diameter. The results also show that the largest diameter of the CMs (8.9 μm) was obtained at a temperature of 250 °C and a reaction time of 6 h. Nonetheless, if the reaction time was extended beyond 6 h at 250 °C, the CMs fused and their shapes were deformed (non-spherical shapes). The synthesized materials were characterized using Scanning Electron Microscopy (SEM), Fourier Transform Infrared (FTIR), Branuer-Emmett-Teller (BET) and thermogravimetric analysis (TGA). BET surface areas for the four samples were found to be less than 1 m2/g. The methylene blue adsorption studies indicated that the equilibrium adsorption capacity was reached after 15 min, with a maximum adsorption capacity of 12 mg/g. The recycling of date palm molasses (a known processed waste) to generate a useable carbon microsphere represents a beneficial step in the application of sustainable processing industries in the Middle East.
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Affiliation(s)
- Mohanad El-Harbawi
- Department of Chemical Engineering, King Saud University, Riyadh 11421, Saudi Arabia
| | - Saeed Alhawtali
- Department of Chemical Engineering, King Saud University, Riyadh 11421, Saudi Arabia
| | - Abdulrhman S. Al-Awadi
- K.A. CARE Energy Research and Innovation Center in Riyadh, King Saud University, Riyadh 11421, Saudi Arabia
| | - Lahssen El Blidi
- Department of Chemical Engineering, King Saud University, Riyadh 11421, Saudi Arabia
| | - Maher M. Alrashed
- Department of Chemical Engineering, King Saud University, Riyadh 11421, Saudi Arabia
| | - Abdulrahman Alzobidi
- Department of Chemical Engineering, King Saud University, Riyadh 11421, Saudi Arabia
| | - Chun-Yang Yin
- Newcastle University in Singapore, 537 Clementi Road #06-01, SIT Building @ Ngee Ann Polytechnic, Singapore 599493, Singapore
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19
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A novel Mg-doped pyro-hydrochars as methylene blue adsorbents: Adsorption behaviors and mechanism. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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20
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Biomass-Based Hydrothermal Carbons for the Contaminants Removal of Wastewater: A Mini-Review. Int J Mol Sci 2023; 24:ijms24021769. [PMID: 36675284 PMCID: PMC9862638 DOI: 10.3390/ijms24021769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 01/07/2023] [Accepted: 01/10/2023] [Indexed: 01/19/2023] Open
Abstract
The preparation of adsorbents with eco-friendly and high-efficiency characteristics is an important approach for pollutant removal, and can relieve the pressure of water shortage and environmental pollution. In recent studies, much attention has been paid to the potential of hydrothermal carbonization (HTC) from biomass, such as cellulose, hemicellulose, lignin, and agricultural waste for the preparation of adsorbents. Hereby, this paper summarizes the state of research on carbon adsorbents developed from various sources with HTC. The reaction mechanism of HTC, the different products, the modification of hydrochar to obtain activated carbon, and the treatment of heavy metal pollution and organic dyes from wastewater are reviewed. The maximum adsorption capacity of carbon from different biomass sources was also evaluated.
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21
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Cui C, Yang M, Zhai J, Bai W, Dai L, Liu L, Jiang S, Wang W, Ren E, Cheng C, Guo R. Bamboo cellulose-derived activated carbon aerogel with controllable mesoporous structure as an effective adsorbent for tetracycline hydrochloride. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:12558-12570. [PMID: 36112282 DOI: 10.1007/s11356-022-22926-9] [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: 05/25/2022] [Accepted: 09/03/2022] [Indexed: 06/15/2023]
Abstract
Activated carbon has been widespread applied in the removal of pollutants in wastewater. However, many biomass-derived activated carbon suffer from the challenge of controllable pore size regulation, hindering their efficient adsorption of pollutants. Herein, bamboo-derived activated carbon aerogel (BACA) has been successfully prepared through KOH high-temperature activation of cellulose aerogel which was prepared using cellulose extracted from bamboo. Bamboo cellulose aerogel provides sufficient reaction sites for KOH, which is conducive to the formation of a mass of mesoporous structures on the pore walls of the activated carbon aerogel. The optimal BACA adsorbent shows high specific surface area (2503.80 m2/g), and maximum adsorption capability for tetracycline hydrochloride (TCH) reaches 863.8 mg/g at 30 ℃. The removal efficiencies of TCH are 100% and 98.4% at 40 ℃ when the initial concentrations are 500 and 700 mg/L, respectively. Adsorption kinetics and isotherm indicate that the adsorption of BACA for TCH is monolayer adsorption based on chemical adsorption. Spontaneous and endothermic adsorption processes are proved by adsorption thermodynamic studies. Additionally, coexisting ions have insignificant effect on TCH adsorption, and the BACA sample displays excellent adsorption property for five reuse cycles with a removal efficiency of 80.95%, indicating the outstanding adsorption capacity of BACA in practical application. The excellent adsorption performance provides BACA with a promising perspective to remove TCH from wastewater, and the prepared method of BACA can be widely extended to other biomass materials.
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Affiliation(s)
- Ce Cui
- College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, China
- Yibin Industrial Technology Research Institute of Sichuan University, Yibin, Sichuan, China
| | - Mengyuan Yang
- College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, China
- Yibin Industrial Technology Research Institute of Sichuan University, Yibin, Sichuan, China
| | - Jianyu Zhai
- College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, China
- Yibin Industrial Technology Research Institute of Sichuan University, Yibin, Sichuan, China
| | - Wenhao Bai
- College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, China
- Yibin Industrial Technology Research Institute of Sichuan University, Yibin, Sichuan, China
| | - Lanling Dai
- College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, China
- Yibin Industrial Technology Research Institute of Sichuan University, Yibin, Sichuan, China
| | - Li Liu
- College of Chemistry, Sichuan University, Chengdu, 610065, China
| | - Shan Jiang
- College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, China
- Yibin Industrial Technology Research Institute of Sichuan University, Yibin, Sichuan, China
| | - Weijie Wang
- College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, China
- Yibin Industrial Technology Research Institute of Sichuan University, Yibin, Sichuan, China
| | - Erhui Ren
- College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, China
| | - Cheng Cheng
- School of Chemical and Process Engineering, University of Leeds, Leeds, UK
| | - Ronghui Guo
- College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, China.
- Yibin Industrial Technology Research Institute of Sichuan University, Yibin, Sichuan, China.
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22
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Ahmad A, Tariq S, Zaman JU, Martin Perales AI, Mubashir M, Luque R. Recent trends and challenges with the synthesis of membranes: Industrial opportunities towards environmental remediation. CHEMOSPHERE 2022; 306:135634. [PMID: 35817181 DOI: 10.1016/j.chemosphere.2022.135634] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 06/18/2022] [Accepted: 07/03/2022] [Indexed: 06/15/2023]
Abstract
The industrial and agricultural revolution has posed a serious and potential threat to environment. The industrial and agricultural pollutants are directly released into the environment. This issue has clinched the scientists to work on different materials in order to decontaminate the environment. Among all other techniques, the membrane filtration technology has fascinated researchers to overcome the pollution by its promising features. This review elaborated various membrane synthesis approaches along with their mechanism of filtration, their applications towards environmental remediation such as removal of heavy metals, degradation of dyes, pharma waste, organic pollutants, as well as gas sensing applications. The membrane synthesis using different sort of materials in which inorganic, carbon materials, polymers and metal organic framework (MOFs) are highlighted. These materials have been involved in synthesis of membrane to make it more cost effective and productive to remove such hazardous materials from wastewater. Based on the reported literature, it has been found that inorganic and polymer membranes are facing issues of brittleness and swelling prior to the industrial scale applications related to the high temperature and pressure which needs to be addressed to enhance the permeation performance.
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Affiliation(s)
- Awais Ahmad
- Departamento de Quimica Organica, Universidad de Cordoba, Edificio Marie Curie (C-3), Ctra Nnal IV-A, Km 396, E14014, Cordoba, Spain.
| | - Sadaf Tariq
- Department of Biochemistry, Government College University Faisalabad, 38000, Pakistan
| | - Jahid Uz Zaman
- Département de Chimie (UFR Sciences Fondamentales et Appliquées), Université de Poitiers, Poitiers, 86000, France
| | - Ana Isabel Martin Perales
- Departamento de Quimica Organica, Universidad de Cordoba, Edificio Marie Curie (C-3), Ctra Nnal IV-A, Km 396, E14014, Cordoba, Spain
| | - Muhammad Mubashir
- Department of Petroleum Engineering, School of Engineering, Asia Pacific University of Technology and Innovation, 5700, Kuala Lumpur, Malaysia
| | - Rafael Luque
- Departamento de Quimica Organica, Universidad de Cordoba, Edificio Marie Curie (C-3), Ctra Nnal IV-A, Km 396, E14014, Cordoba, Spain.
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Xu Q, Luo L, Li D, Johnravindar D, Varjani S, Wong JWC, Zhao J. Hydrochar prepared from digestate improves anaerobic co-digestion of food waste and sewage sludge: Performance, mechanisms, and implication. BIORESOURCE TECHNOLOGY 2022; 362:127765. [PMID: 35985463 DOI: 10.1016/j.biortech.2022.127765] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/04/2022] [Accepted: 08/06/2022] [Indexed: 06/15/2023]
Abstract
This work reported a new waste functionalization and utilization method, which use digestate to prepare hydrochar to improve methane production from food waste (FW) and sewage sludge (SS). Experimental results presented that 10 g/L hydrochar obtained the cumulative methane production of 133.11 ± 1.18 mL/g volatile solids added, 26.99 % higher than that without hydrochar addition. By monitoring the conversion of model metabolic intermediates, 10 g/L hydrochar was determined to favor hydrolysis, acidogenesis and methonogenesis bio-processes involved in methane production, thus improving the degradation of solubilized organics and consumption of short-chain fatty acids (SCFAs) during the co-digestion. Microbial investigation revealed that 10 g/L hydrochar enriched the microbes relevant to methane production (e.g., Methanosaeta and Syntrophomonas), but reduced the abundances of hydrolysis- and acidogenesis-related microbes (e.g., Acinetobacter). This hydrochar-based preparation and utilization strategy might offer a novel paradigm for waste-control-waste, bringing economic and environmental benefits.
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Affiliation(s)
- Qiuxiang Xu
- Institute of Bioresource and Agriculture, Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region
| | - Liwen Luo
- Institute of Bioresource and Agriculture, Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region
| | - Dongyi Li
- Institute of Bioresource and Agriculture, Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region
| | - Davidraj Johnravindar
- Institute of Bioresource and Agriculture, Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region
| | - Sunita Varjani
- Gujarat Pollution Control Board, Gandhinagar, Gujarat 382010, India
| | - Jonathan W C Wong
- Institute of Bioresource and Agriculture, Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region
| | - Jun Zhao
- Institute of Bioresource and Agriculture, Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region.
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24
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Chen B, Li Q, Li Y, Du Q, Cui M, Xu W, Zhou X, Zhang X. Efficient Adsorption of Methylene Blue in Aqueous Solution by Acid‐modified Sodium Alginate. ChemistrySelect 2022. [DOI: 10.1002/slct.202202975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Bing Chen
- College of Mechanical and Electrical Engineering Qingdao University 308 Ningxia Road Qingdao 266071 China
| | - Qi Li
- College of Mechanical and Electrical Engineering Qingdao University 308 Ningxia Road Qingdao 266071 China
| | - Yanhui Li
- College of Mechanical and Electrical Engineering Qingdao University 308 Ningxia Road Qingdao 266071 China
- State Key Laboratory of Bio-fibers and Eco-textiles Qingdao University Qingdao 266071 China
| | - Qiuju Du
- State Key Laboratory of Bio-fibers and Eco-textiles Qingdao University Qingdao 266071 China
| | - Mingfei Cui
- College of Mechanical and Electrical Engineering Qingdao University 308 Ningxia Road Qingdao 266071 China
| | - Wenshuo Xu
- College of Mechanical and Electrical Engineering Qingdao University 308 Ningxia Road Qingdao 266071 China
| | - Xiaoshuang Zhou
- State Key Laboratory of Bio-fibers and Eco-textiles Qingdao University Qingdao 266071 China
| | - Xiangyu Zhang
- College of Mechanical and Electrical Engineering Qingdao University 308 Ningxia Road Qingdao 266071 China
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25
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Microwave-Assisted Hydrothermal Carbonisation of Waste Biomass: The Effect of Process Conditions on Hydrochar Properties. Processes (Basel) 2022. [DOI: 10.3390/pr10091756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Hydrochars are an alternative form of biochar produced by hydrothermal carbonisation (HTC), a potentially cheaper and greener method. In this paper, the effect of multiple variables on hydrochar properties was investigated. Waste biomass was converted to hydrochar via microwave-assisted hydrothermal carbonisation. The variables were temperature, solution ratio (water-biomass ratio), time, particle size, pH and acetone washing. The measured properties were yield, carbon, oxygen and ash content, higher heating value (HHV), carbon and energy recovery and dye and water adsorption. Feedstock significance was investigated using apple, wheat, barley, oat and pea straw. The investigation into this specific combination of variables and feedstock has not been done before. HTC increased carbon content (~60%), HHV (~24 MJ/kg) and water adsorption and reduced oxygen content and dye adsorption. Thermal analysis suggested hydrochars were not suitable for sequestration. Decreasing the solution ratio was the most significant factor in increasing yield, carbon recovery and energy yield. Increasing the temperature was the most significant factor in increasing carbon and decreasing oxygen content. This affected HHV, with higher temperatures producing a higher energy material, surpassing brown coal. Hydrochars produced at a high solution ratio, temperature and times showed the best carbonisation. Smaller particle size increased yield and carbonisation but increased ash content. Low solution pH increased carbon content, HHV and water adsorption but lowered yield, carbon recovery, energy yield, dye adsorption and oxygen and ash content. High pH increased ash content and dye adsorption but lowered yield, carbon recovery, energy yield and dye adsorption. Acetone decreased yield, carbon recovery, energy yield, carbon content and HHV but increased oxygen, ash content and dye and water adsorption. Barley biomass showed the highest yield and carbon recovery, and pea showed the highest energy yield and HHV. Apple showed the highest carbon content. All the hydrochars showed promise as solid fuels, a soil additive and a precursor for activated carbon but lacked high adsorption for pollutant adsorbents and stability for carbon sequestration.
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Hien Tran T, Le AH, Pham TH, Duong LD, Nguyen XC, Nadda AK, Chang SW, Chung WJ, Nguyen DD, Nguyen DT. A sustainable, low-cost carbonaceous hydrochar adsorbent for methylene blue adsorption derived from corncobs. ENVIRONMENTAL RESEARCH 2022; 212:113178. [PMID: 35367427 DOI: 10.1016/j.envres.2022.113178] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 02/15/2022] [Accepted: 03/22/2022] [Indexed: 05/04/2023]
Abstract
In this study, activated carbon from corncobs was successfully synthesized by hydrothermal carbonization and hydrochemical activation at low temperatures, followed by pyrolysis. A developed method of hydrochemical activation of hydrochar that uses only small amounts of chemicals is a promising approach. After activation, the activator residues in the hydrothermal product can constantly act as a chemical activator during pyrolysis to form corncob-activated carbon (AHC-KOH), which had specific surface area of 965.028 m2/g and oxygenated functional groups of 0.3780 mmol/g, 31.67 and 4 times, respectively, of those of the inactivated sample. AHC-KOH was used to study the adsorption characteristics of methylene blue (MB). The MB adsorption efficiency of AHC-KOH was the highest at 489.560 mg/g, which was considerably higher than that of activated carbons produced from other biomasses. The isotherm equilibrium and adsorbent kinetics parameters of MB adsorption on AHC-KOH were also determined using the Langmuir isotherm model (R2 = 0.99) and pseudo-second-order kinetic model (R2 > 0.99). Thus, the results indicate that an inexpensive adsorbent produced from corncobs using the above method is a promising material for wastewater treatment.
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Affiliation(s)
- T Hien Tran
- Institute of Environmental Science, Engineering and Management, Industrial University of Ho Chi Minh City, 12 Nguyen Van Bao, Go Vap District, Ho Chi Minh City, Viet Nam; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Viet Nam
| | - Anh Hoang Le
- Faculty of Environment, University of Science, Ho Chi Minh City, Viet Nam; Vietnam National University, Ho Chi Minh City, Viet Nam
| | - T Huu Pham
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Viet Nam; Institute of Applied Materials Science, Vietnam Academy of Science and Technology, No 1B TL 29, Thanh Loc Ward, District 12, Ho Chi Minh City, Viet Nam
| | - La Duc Duong
- Institute of Chemistry and Materials, Nghia Do, Cau Giay, Hanoi, Viet Nam
| | - X Cuong Nguyen
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, Da Nang, 550000, Viet Nam; Faculty of Environmental and Chemical Engineering, Duy Tan University, Da Nang, 550000, Viet Nam
| | - Ashok Kumar Nadda
- Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Waknaghat, Solan, 173234, Himachal Pradesh, India
| | - Soon Woong Chang
- Department of Environmental Energy Engineering, Kyonggi University, Republic of Korea
| | - Woo Jin Chung
- Department of Environmental Energy Engineering, Kyonggi University, Republic of Korea
| | - D Duc Nguyen
- Faculty of Environmental and Food Engineering, Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, District 4, HCM City 755414, Viet Nam; Department of Environmental Energy Engineering, Kyonggi University, Republic of Korea.
| | - Dinh Thanh Nguyen
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Viet Nam; Institute of Applied Materials Science, Vietnam Academy of Science and Technology, No 1B TL 29, Thanh Loc Ward, District 12, Ho Chi Minh City, Viet Nam.
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27
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Wei W, Shang N, Zhang X, Liu W, Zhang T, Wu M. A green 3-step combined modification for the preparation of biomass sorbent from waste chestnut thorns shell to efficient removal of methylene blue. BIORESOURCE TECHNOLOGY 2022; 360:127593. [PMID: 35809869 DOI: 10.1016/j.biortech.2022.127593] [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: 05/21/2022] [Revised: 07/01/2022] [Accepted: 07/02/2022] [Indexed: 06/15/2023]
Abstract
Although several green methods for the preparation of biomass adsorbents have been proposed, the low adsorption performance of the biomass adsorbents prepared by these methods has limited the development of this technological route. This is the first work that uses an ultrasound-assisted binary solvent system and low temperature ice crystal fixation to achieve high adsorption performance of a biomass sorbent. Chestnut thorns shell (CTS) sorbent with high adsorption performance on MB was successfully prepared with an adsorption performance of 305.81 mg/g, which is on par with most high temperature carbonized adsorbents. Further reaction kinetics, TEM, XPS and FTIR studies showed that the MB adsorption of CTS was through electrostatic attraction, hydrogen bonding, ion-dipole interaction and π-π interaction. After five cycles, the adsorption capacity of the adsorbent remained at a high level. This work provided an effective strategy for safer and greener preparation of high adsorption performance adsorbents from agroforestry waste.
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Affiliation(s)
- Wenguang Wei
- College of Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Nan Shang
- College of Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Xun Zhang
- College of Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Wen Liu
- College of Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Tong Zhang
- College of Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Min Wu
- College of Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, China.
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28
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Yi P, Zuo X, Liang N, Wu M, Chen Q, Zhang L, Pan B. Molecular clusters played an important role in the adsorption of polycyclic aromatic hydrocarbons (PAHs) on carbonaceous materials. CHEMOSPHERE 2022; 302:134772. [PMID: 35526686 DOI: 10.1016/j.chemosphere.2022.134772] [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: 03/05/2022] [Revised: 04/21/2022] [Accepted: 04/26/2022] [Indexed: 06/14/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are one of the most frequently detected hydrophobic organic contaminants (HOCs) in the environment. They may form clusters because of the strong hydrophobic and π-π electron-donor-acceptor (EDA) interactions among PAHs molecules. However, previous experimental studies and theoretical simulations generally ignored the impact of molecular clusters on the adsorption, which may result in the misunderstanding of the environmental fate and risk. In this work, naphthalene (NAP), phenanthrene (PHE), and pyrene (PYR) were selected to investigate intermolecular interaction as well as the consequent impact on their adsorption on graphene. The density field of C atoms in equilibrium configurations of self-interacted PAHs suggested that the formation of PAHs molecular clusters was a spontaneous process, and was favored in solvents with stronger polarity and for PAHs with more benzene rings. It should be noted that the molecular dynamics simulations with the initial state of molecular clusters matched better with the published experimental results compared with those of individual PAHs. The formed compact PAHs clusters in polar solvents increased the apparent PAHs adsorption, because of their higher hydrophobic and π-π EDA interactions. This study emphasized that the self-interaction of PAHs should be carefully considered in both experimental and theoretical simulation studies.
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Affiliation(s)
- Peng Yi
- 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
| | - Xiangzhi Zuo
- 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
| | - 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
| | - 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.
| | - Lijuan Zhang
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Bo Pan
- 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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29
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Zhang H, Pan Y, Wang Z, Wu A, Zhang Y. Synthesis of hollow mesoporous manganese dioxide nanoadsorbents with strong negative charge and their ultra-efficient adsorption for cationic dyes. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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30
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Li B, Liu JL, Xu H. Synthesis of polyaminophosphonated-functionalized hydrochar for efficient sorption of Pb(II). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:49808-49815. [PMID: 35218484 DOI: 10.1007/s11356-022-19350-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 02/18/2022] [Indexed: 06/14/2023]
Abstract
Surface modification can effectively improve the ability of hydrochar to capture pollutants from wastewater. In this work, polyaminophosphonated-functionalized hydrochar (PAP-HC) was successfully synthesized by a chemical grafting approach and applied efficiently to adsorb aqueous Pb(II). Properties of PAP-HC were characterized by ICP, FTIR, XPS, SEM-EDS, elemental analysis, zeta potential, and BET. The Pb(II) adsorbing behavior of PAP-HC was tested by batch adsorbing assays, including the pH impact, uptake kinetics, sorption isotherms, sorption thermodynamics, and PAP-HC recycling. Sorption isotherms were better illustrated by a Langmuir equation, while the kinetic profile was modeled by a pseudo-second-order equation. Adsorption of Pb(II) onto PAP-HC mainly relied on chelating Pb(II) with aminophosphonate groups of PAP-HC by XPS and FTIR analyses. The actual adsorbed amount of PAP-HC maximized to 179.92 mg·g-1 at 298 K, which showed high adsorption ability. Nitric acid and hydroxide solutions were suitable for desorption of adsorbed Pb(II) and activated PAP-HC, respectively. PAP-HC can be reused for at least five cycles without obvious change in adsorption performance. The results suggest PAP-HC is a prospective adsorbent to capture Pb(II) from wastewater.
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Affiliation(s)
- Bing Li
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang, 311300, People's Republic of China.
| | - Jia-Lin Liu
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang, 311300, People's Republic of China
| | - Huan Xu
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang, 311300, People's Republic of China
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31
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A highly efficient biomass-based adsorbent fabricated by graft copolymerization: Kinetics, isotherms, mechanism and coadsorption investigations for cationic dye and heavy metal. J Colloid Interface Sci 2022; 616:12-22. [DOI: 10.1016/j.jcis.2022.02.048] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/28/2022] [Accepted: 02/12/2022] [Indexed: 12/13/2022]
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32
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Hayoun B, Escudero-Curiel S, Bourouina M, Bourouina-Bacha S, Angeles Sanromán M, Pazos M. Preparation and characterization of high performance hydrochar for efficient adsorption of drugs mixture. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118797] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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33
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Padhye LP, Bandala ER, Wijesiri B, Goonetilleke A, Bolan N. Hydrochar: A Promising Step Towards Achieving a Circular Economy and Sustainable Development Goals. FRONTIERS IN CHEMICAL ENGINEERING 2022. [DOI: 10.3389/fceng.2022.867228] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The United Nations 17 Sustainable Development Goals (SDGs) are a universal call to action to end poverty, protect the environment, and improve the lives and prospects of everyone on this planet. However, progress on SDGs is currently lagging behind its 2030 target. The availability of water of adequate quality and quantity is considered as one of the most significant challenges in reaching that target. The concept of the ‘Circular Economy’ has been termed as a potential solution to fasten the rate of progress in achieving SDGs. One of the promising engineering solutions with applications in water treatment and promoting the concept of the circular economy is hydrochar. Compared to biochar, hydrochar research is still in its infancy in terms of optimization of production processes, custom design for specific applications, and knowledge of its water treatment potential. In this context, this paper critically reviews the role of hydrochar in contributing to achieving the SDGs and promoting a circular economy through water treatment and incorporating a waste-to-value approach. Additionally, key knowledge gaps in the production and utilization of engineered hydrochar are identified, and possible strategies are suggested to further enhance its water remediation potential and circular economy in the context of better natural resource management using hydrochar. Research on converting different waste biomass to valuable hydrochar based products need further development and optimization of parameters to fulfil its potential. Critical knowledge gaps also exist in the area of utilizing hydrochar for large-scale drinking water treatment to address SDG-6.
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Khan MA, Hameed BH, Siddiqui MR, Alothman ZA, Alsohaimi IH. Comparative Investigation of the Physicochemical Properties of Chars Produced by Hydrothermal Carbonization, Pyrolysis, and Microwave-Induced Pyrolysis of Food Waste. Polymers (Basel) 2022; 14:polym14040821. [PMID: 35215734 PMCID: PMC8878147 DOI: 10.3390/polym14040821] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/14/2022] [Accepted: 02/16/2022] [Indexed: 12/04/2022] Open
Abstract
This work presents a comparative study of the physicochemical properties of chars derived by three thermochemical pathways, namely: hydrothermal carbonization, HTC (at 180, 200 and 220 °C), pyrolysis, PY, (at 500, 600 and 700 °C) and microwave assisted pyrolysis, MW (at 300, 450 and 600 W). The mass yield of HTC samples showed a decrease (78.7 to 26.7%) as the HTC temperature increased from 180 to 220 °C. A similar decreasing trend in the mass yield was also observed after PY (28.45 to 26.67%) and MW (56.45 to 22.44%) of the food waste mixture from 500 to 700 °C and 300 to 600 W, respectively. The calorific value analysis shows that the best among the chars prepared by three different heating methods may be ranked according to the decreasing value of the heating value as: PY500, MW300, and HTC180. Similarly, a decreasing trend in H/C values was observed as: PY500 (0.887), MW300 (0.306), and HTC180 (0.013). The scanning electron microscope (SEM) analyses revealed that the structure of the three chars was distinct due to the different temperature gradients provided by the thermochemical processes. The results clearly show that the suitable temperature for the HTC and PY of food waste was 180 °C and 500 °C, respectively, while the suitable power for the MW of food waste was 300 W.
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Affiliation(s)
- Moonis Ali Khan
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.R.S.); (Z.A.A.)
- Correspondence: or
| | - Bassim H. Hameed
- Department of Chemical Engineering, College of Engineering, Qatar University, Doha P.O. Box 2713, Qatar;
| | - Masoom Raza Siddiqui
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.R.S.); (Z.A.A.)
| | - Zeid A. Alothman
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.R.S.); (Z.A.A.)
| | - Ibrahim H. Alsohaimi
- Chemistry Department, College of Science, Jouf University, Sakaka 72388, Saudi Arabia;
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35
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Zhou F, Li K, Hang F, Zhang Z, Chen P, Wei L, Xie C. Efficient removal of methylene blue by activated hydrochar prepared by hydrothermal carbonization and NaOH activation of sugarcane bagasse and phosphoric acid. RSC Adv 2022; 12:1885-1896. [PMID: 35425169 PMCID: PMC8979052 DOI: 10.1039/d1ra08325b] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Accepted: 01/03/2022] [Indexed: 12/28/2022] Open
Abstract
Activated-hydrochar (AHC) derived from sugarcane bagasse was synthesized by hydrothermal carbonization (HTC) using phosphoric acid and sodium hydroxide (NaOH) as activators. The properties of AHC were systematically characterized by elemental analysis, BET, SEM, FTIR, XPS and zeta potential, and applied to evaluate the adsorption ability of methylene blue (MB) by batch adsorption tests. The MB adsorption isotherm and kinetics of AHC were well described by the Langmuir model and pseudo-second-order kinetic model. Characteristic analysis suggested electrostatic attraction, hydrogen bonding and π-π interactions were the main contributors to MB adsorption. Analysis of mass transfer mechanisms demonstrated the adsorption process towards MB by AHC involved intra-particle diffusion to some extent. Thermodynamic studies indicated MB adsorption was an endothermic, spontaneous process associated with a disorder increase at the solid-liquid interface. The maximum adsorption capacity of AHC for MB was 357.14 mg g-1 at 303 K. Thus, the combination of HTC in phosphoric acid and NaOH activation offered a facile, green and economical alternative for conversion of sugarcane bagasse into efficient adsorbents used in wastewater treatment.
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Affiliation(s)
- Feng Zhou
- College of Light Industry and Food Engineering, Guangxi University Nanning 530004 China
| | - Kai Li
- College of Light Industry and Food Engineering, Guangxi University Nanning 530004 China
- Collaborative Innovation Center of Guangxi Sugarcane Industry, Guangxi University Nanning 530004 China
- Engineering Research Center for Sugar Industry and Comprehensive Utilization, Ministry of Education Nanning 530004 China
| | - Fangxue Hang
- College of Light Industry and Food Engineering, Guangxi University Nanning 530004 China
- Collaborative Innovation Center of Guangxi Sugarcane Industry, Guangxi University Nanning 530004 China
- Engineering Research Center for Sugar Industry and Comprehensive Utilization, Ministry of Education Nanning 530004 China
| | - Zhiming Zhang
- College of Light Industry and Food Engineering, Guangxi University Nanning 530004 China
| | - Peng Chen
- College of Light Industry and Food Engineering, Guangxi University Nanning 530004 China
| | - Lin Wei
- College of Light Industry and Food Engineering, Guangxi University Nanning 530004 China
| | - Caifeng Xie
- College of Light Industry and Food Engineering, Guangxi University Nanning 530004 China
- Collaborative Innovation Center of Guangxi Sugarcane Industry, Guangxi University Nanning 530004 China
- Engineering Research Center for Sugar Industry and Comprehensive Utilization, Ministry of Education Nanning 530004 China
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36
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Characterization of Bio-Adsorbents Produced by Hydrothermal Carbonization of Corn Stover: Application on the Adsorption of Acetic Acid from Aqueous Solutions. ENERGIES 2021. [DOI: 10.3390/en14238154] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
In this work, the influence of temperature on textural, morphological, and crystalline characterization of bio-adsorbents produced by hydrothermal carbonization (HTC) of corn stover was systematically investigated. HTC was conducted at 175, 200, 225, and 250 °C, 240 min, heating rate of 2.0 °C/min, and biomass-to-H2O proportion of 1:10, using a reactor of 18.927 L. The textural, morphological, crystalline, and elemental characterization of hydro-chars was analyzed by TG/DTG/DTA, SEM, EDX, XRD, BET, and elemental analysis. With increasing process temperature, the carbon content increased and that of oxygen and hydrogen diminished, as indicated by elemental analysis (C, N, H, and S). TG/DTG analysis showed that higher temperatures favor the thermal stability of hydro-chars. The hydro-char obtained at 250 °C presented the highest thermal stability. SEM images of hydro-chars obtained at 175 and 200 °C indicated a rigid and well-organized fiber structure, demonstrating that temperature had almost no effect on the biomass structure. On the other hand, SEM images of hydro-chars obtained at 225 and 250 °C indicated that hydro-char structure consists of agglomerated micro-spheres and heterogeneous structures with nonuniform geometry (fragmentation), indicating that cellulose and hemi-cellulose were decomposed. EDX analysis showed that carbon content of hydro-chars increases and that of oxygen diminish, as process temperature increases. The diffractograms (XRD) identified the occurrence of peaks of higher intensity of graphite (C) as the temperature increased, as well as a decrease of peaks intensity for crystalline cellulose, demonstrating that higher temperatures favor the formation of crystalline-phase graphite (C). The BET analysis showed 4.35 m2/g surface area, pore volume of 0.0186 cm3/g, and average pore width of 17.08 μm. The solid phase product (bio-adsorbent) obtained by hydrothermal processing of corn stover at 250 °C, 240 min, and biomass/H2O proportion of 1:10, was activated chemically with 2.0 M NaOH and 2.0 M HCl solutions to investigate the adsorption of CH3COOH. The influence of initial acetic acid concentrations (1.0, 2.0, 3.0, and 4.0 mg/mL) was investigated. The kinetics of adsorption were investigated at different times (30, 60, 120, 240, 480, and 960 s). The adsorption isotherms showed that chemically activated hydro-chars were able to recover acetic acid from aqueous solutions. In addition, activation of hydro-char with NaOH was more effective than that with HCl.
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Li SY, Teng HJ, Guo JZ, Wang YX, Li B. Enhanced removal of Cr(VI) by nitrogen-doped hydrochar prepared from bamboo and ammonium chloride. BIORESOURCE TECHNOLOGY 2021; 342:126028. [PMID: 34582986 DOI: 10.1016/j.biortech.2021.126028] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 09/21/2021] [Accepted: 09/23/2021] [Indexed: 06/13/2023]
Abstract
N-doped biochar can effectively eliminate toxic Cr(VI). Here, N-doped hydrochar (NHC) was successfully synthesized by one-pot hydrothermal carbonization (HTC) of NH4Cl and bamboo, and employed to adsorb Cr(VI). The specific surface area, pore volume, and carbon and nitrogen contents of NHC all increase compared with the undoped hydrochar (HC). NH4Cl acts as a cheap nitrogen source to enhance the nitrogen content of hydrochar and as an acid catalyst to accelerate hydrochar carbonization. Adsorption experiments show NHC has higher adsorption capacity than HC for Cr(VI). XPS and FTIR imply the dominant mechanisms of adsorbing Cr(VI) onto two hydrochars are electrostatic attraction, reduction and complexation, but the contributions of surface functional groups in two hydrochars for elimination of Cr(VI) differ. The doped nitrogen in NHC is pivotal in adsorbing and reducing Cr(VI). Hence, NHC prepared from bamboo and NH4Cl by one-step HTC is a cheap and efficient adsorbent to eliminate aqueous Cr(VI).
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Affiliation(s)
- Si-Yuan Li
- Department of Chemistry, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China
| | - Hua-Jing Teng
- Department of Chemistry, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China
| | - Jian-Zhong Guo
- Department of Chemistry, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China
| | - Yu-Xuan Wang
- Department of Chemistry, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China
| | - Bing Li
- Department of Chemistry, Zhejiang A&F University, Hangzhou, Zhejiang 311300, PR China.
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