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Yang Z, Liu Y, Liu P, Yang L, Zhang A, Liu Z, Li X, Li Z. Study on material structure design, selective adsorption mechanism, and application for adsorption recovery of oil substances in coal chemical wastewater. CHEMOSPHERE 2024; 349:140943. [PMID: 38096992 DOI: 10.1016/j.chemosphere.2023.140943] [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: 10/17/2023] [Revised: 11/27/2023] [Accepted: 12/09/2023] [Indexed: 12/19/2023]
Abstract
In response to the problem of high emulsified and dissolved oils being difficult to recovery from coal chemical wastewater (CCW), this study specifically constructed a non-polar, macropore, and hydrophobic adsorption material (pSt-X) based on the main components of these two oils (aromatics and phenols) for selective recovery. The results revealed that pSt-X had an adsorption capacity of 215.52 mg/g, which had remained stable for multiple recycling sessions, with an adsorption capacity constantly above 95 %. The pSt-X has significantly larger particle size (0.7 mm-1.2 mm), which simplifies the process of adsorption regeneration and effectively prevents the loss of the adsorbent powder problem. The pSt-X adsorbent demonstrated remarkable selectivity towards dissolved and emulsified oils, exhibiting removal rates of 90.2 % and 81.7 %, respectively. Moreover, pSt-X proved remarkable selectivity in removing aromatic hydrocarbons (AHs) and phenols, with impressive removal rates of 77.8 % and 85.9 %, respectively. The selective separation mechanism of pSt-X for oil substances was further analyzed, indicating that its selective adsorption of oils was primarily driven by hydrophobic, π-π, and hydrogen bonding interactions owing to its non-polar and macropore structure and hydrophobic properties. The results of this study provide solid theoretical support for green and low-carbon recovery of oil substances in CCW and are of positive practical importance for clean production in the coal chemical industry.
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Affiliation(s)
- Zhuangzhuang Yang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road, No.13, Xi'an, 710055, China; Key Lab of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an, 710055, China
| | - Yongjun Liu
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road, No.13, Xi'an, 710055, China; Key Lab of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an, 710055, China.
| | - Pan Liu
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road, No.13, Xi'an, 710055, China; Key Lab of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an, 710055, China
| | - Lu Yang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road, No.13, Xi'an, 710055, China; Key Lab of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an, 710055, China
| | - Aining Zhang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road, No.13, Xi'an, 710055, China; Key Lab of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an, 710055, China
| | - Zhe Liu
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road, No.13, Xi'an, 710055, China; Key Lab of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an, 710055, China
| | - Xiaowei Li
- Yishuiyuan Biotechnology (Xi'an) Co., Ltd., Xi'an, 710018, China
| | - Zhihua Li
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road, No.13, Xi'an, 710055, China; Key Lab of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an, 710055, China
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Rafie N, Khodadadi M, Zamani M, Zarepour A, Zarrabi A. Magnetic silica nanoparticles adorned with a metal-organic framework; a novel nanosorbent for elimination of aqueous Pb ions contaminant. ENVIRONMENTAL RESEARCH 2023; 226:115694. [PMID: 36933638 DOI: 10.1016/j.envres.2023.115694] [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: 02/09/2023] [Revised: 03/11/2023] [Accepted: 03/14/2023] [Indexed: 06/18/2023]
Abstract
The annual growth of water pollution resulting from the uncontrolled entry of heavy metals, like Pb2+ ions, is one of the most critical global concerns due to its direct and indirect effects on human life. The absorption of this component by the body could affect the nervous system via oxidative stress production or disturbing cellular biological mechanism. So, it is important to find an effective method for purifying the existing waters. This study aims to fabricate and compare the effect of two new nano-adsorbents (Fe3O4@ZIF-8 and Fe3O4@SiO2@ZIF-8) on removing Pb2+ ions from the aqueous solution. Accordingly, iron oxide nanoparticles were synthesized via co-precipitation method at first and then coated with a silica shell through the sol-gel method. Both nanoparticles were coated with a layer of metal-organic framework (MOF), ZIF-8, and analyzed with different physicochemical tests. In the following parts, the Pb2+ ion removal capability of the nano-adsorbents was evaluated in the presence of different parameters, including nanosorbent concentrations, contact time, pH, and pollutant concentrations. Results confirmed preparation of nanoparticles with a mean size of about 110 ± 10 nm and 80 ± 10 nm for Fe3O4@ZIF-8 and Fe3O4@SiO2@ZIF-8, respectively. Both nanoparticles showed the highest amount of pollutants removal (near 90% for both nanoparticles) at pH = 6 within 15 min of contact in the presence of 100 ppm Pb2+ ions. Besides, in the case of real samples, with a concentration of about 150 ppm of Pb2+ ions, they showed maximum adsorption of about 93.61% and 99.2% for Fe3O4@ZIF-8 and Fe3O4@SiO2@ZIF-8, respectively. The presence of iron oxide nanoparticles in the structure of this adsorbent makes it easy to separate them in a user-friendly method. A brief comparison between these nanosorbents indicates that Fe3O4@SiO2@ZIF-8 nanoparticles have better performance due to their higher porosity and surface area ratio and so it could be used as a cost-effective ideal nanosorbent candidate for easy removal of heavy metals from water.
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Affiliation(s)
- Niloofar Rafie
- Department of Biotechnology, Nour Danesh Institute of Higher Education, Meymeh, Isfahan, Iran
| | - Mohammad Khodadadi
- Core Research Facilities (CRF), Isfahan University of Medical Sciences, Isfahan 81746 73461, Iran
| | | | - Atefeh Zarepour
- Department of Biomedical Engineering, Faculty of Engineering and Natural Sciences, Istinye University, Sariyer, 34396, Istanbul, Turkey
| | - Ali Zarrabi
- Department of Biomedical Engineering, Faculty of Engineering and Natural Sciences, Istinye University, Sariyer, 34396, Istanbul, Turkey.
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Yuan N, Zhang X, Chen T, Xu H, Wang Q. Fabricating Materials of Institute Lavoisier-53(Fe)/zeolite imidazolate framework-8 hybrid materials as high-efficiency and reproducible adsorbents for removing organic pollutants. J Colloid Interface Sci 2023; 646:438-451. [PMID: 37207425 DOI: 10.1016/j.jcis.2023.05.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 04/06/2023] [Accepted: 05/04/2023] [Indexed: 05/21/2023]
Abstract
Environmental pollution by emerging contaminants has become an urgent problem. Herein, novel binary metal-organic framework hybrids were constructed from Materials of Institute Lavoisier-53(Fe) (MIL-53(Fe)) and zeolite imidazolate framework-8 (ZIF-8) for the first time. A battery of characterizations were employed to determine the MIL/ZIF hybrids' properties and morphology. Furthermore, the MIL/ZIF towards toxic antibiotics (tetracycline, ciprofloxacin and ofloxacin) were studied to explore their adsorption abilities. The present work disclosed that the obtained MIL-53(Fe)/ZIF-8 = 2:3 possessed an eminent specific surface area with an admirable removal efficiency of tetracycline (97.4%), ciprofloxacin (97.1%) and ofloxacin (92.4%), respectively. The tetracycline adsorption process conformed to the pseudo-second-order kinetic model and this process was more compatible with the Langmuir isotherm model with the highest adsorption capacity of 215.0 mg g-1. Moreover, the process of removing tetracycline was proved to be spontaneous and exothermic by the thermodynamic results. Furthermore, the MIL-53(Fe)/ZIF-8 = 2:3 towards tetracycline exhibited significant regeneration ability. The effects of pH, dosage, interfering ions and oscillation frequency on tetracycline adsorption capacity and removal efficiency were also investigated. The primary factors contributing to the decent adsorption ability between MIL-53(Fe)/ZIF-8 = 2:3 and tetracycline included electrostatic, π-π stacking, hydrogen bonding and weak coordination interactions. Additionally, we also investigated the adsorption ability in real wastewater. Thus, the proposed binary metal-organic framework hybrid materials can be deemed a promising adsorbent in wastewater purification.
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Affiliation(s)
- Ning Yuan
- School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing 100083, China.
| | - Xinling Zhang
- School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing 100083, China
| | - Tianxiang Chen
- School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing 100083, China
| | - Hao Xu
- School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing 100083, China
| | - Qibao Wang
- School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing 100083, China
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Xiao YY, Zhang JT, Dong YH, Li SL, Zhi GY, Zhang YF, Zhang DH. Improving the Encapsulation Efficiency of Lipase in Molecular Cages and Its Application. Bioconjug Chem 2023. [PMID: 37097628 DOI: 10.1021/acs.bioconjchem.3c00127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
Abstract
Here, lipase encapsulation is constructed by locking enzyme molecules in nanomolecular cages on the surface of SH-PEI@PVAC magnetic microspheres. To improve the encapsulation efficiency in enzyme loading, the thiol group is efficiently modified on the grafted polyethyleneimine (PEI) using 3-mercaptopropionic acid. N2 adsorption-desorption isotherms reveal the existence of mesoporous molecular cages on the microsphere surface. The robust immobilizing strength of carriers to lipase demonstrates the successful encapsulation of enzymes in nanomolecular cages. The encapsulated lipase shows high enzyme loading (52.9 mg/g) and high activity (51.4 U/mg). Different sizes of molecular cages are established, and the cage size showed important effects on lipase encapsulation. It shows that enzyme loading is low at a small size of molecular cages, which is attributed to that the nanomolecular cage is too small to house lipase. The investigation in lipase conformation suggests that the encapsulated lipase retains its active conformation. Compared with the adsorbed lipase, the encapsulated lipase shows higher thermal stability (4.9 times) and higher resistance to denaturants (5.0 times). Encouragingly, the encapsulated lipase shows high activity and reusability in lipase-catalyzed synthesis of propyl laurate, suggesting the potential application value of encapsulated lipase.
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Affiliation(s)
- Yun-Yan Xiao
- College of Pharmaceutical Science, Hebei University, Baoding 071002, China
| | - Jiang-Tao Zhang
- College of Pharmaceutical Science, Hebei University, Baoding 071002, China
| | - Yong-Hua Dong
- College of Pharmaceutical Science, Hebei University, Baoding 071002, China
| | - Shu-Li Li
- College of Pharmaceutical Science, Hebei University, Baoding 071002, China
| | - Gao-Ying Zhi
- Department of Computer Teaching, Hebei University, Baoding 071002, China
| | - Ya-Fang Zhang
- Pharmacy Department, Baoding Children's Hospital, Baoding 071000, China
| | - Dong-Hao Zhang
- College of Pharmaceutical Science, Hebei University, Baoding 071002, China
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Science, Hebei University, Baoding 071002, China
- Institute of Life Science and Green Development, Hebei University, Baoding 071002, China
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Yang H, Zeng G, Liu Y, Tang Y, Bai G, Liu Z, Diao H, Zhang Y, Liu L, Xue Q, Xia S, Zhou Q, Wu Z. Study on adsorption and recovery utilization of phosphorus using alkali melting-hydrothermal treated oil-based drilling cutting ash. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 332:117373. [PMID: 36708598 DOI: 10.1016/j.jenvman.2023.117373] [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: 12/21/2022] [Revised: 01/19/2023] [Accepted: 01/24/2023] [Indexed: 06/18/2023]
Abstract
Oil-based drill cutting ash (OBDCA) was treated by alkali melting-hydrothermal method and used as novel adsorbent (AM-HT-OBDCA) for the recovery of phosphorus (P) in water body. The experiment parameter for preparation of AM-HT-OBDCA was optimized, including alkali melting ratio (MOBDCA: MNaOH), alkali melting temperature and hydrothermal temperature. The adsorption process of phosphorus on AM-HT-OBDCA was fit well with the pseudo-second-order model and the Langmuir model. The calculated theoretic adsorption capacity of phosphorus on AM-HT-OBDCA was 62.9 mg/g. The adsorption behavior was spontaneous and endothermic. The effect of pH value and interfering ions on the adsorption of phosphorus in AM-HT-OBDCA was investigated. The main existing form of adsorbed phosphorus on AM-HT-OBDCA was sodium hydroxide extraction form phosphorus (NaOH-P), including iron form phosphorus (Fe-P) and aluminum form phosphorus (Al-P). Precipitation and ligand exchange were the main mechanisms of phosphorus adsorption on AM-HT-OBDCA. The AM-HT-OBDCA used for phosphorus adsorption (AM-HT-OBDCA-P) could be further utilized as fertilizer to promote plant growth. The results of this study provide fundamental data and evaluation support for resource utilization of OBDCA. These results will also provide a reference for the adsorption and recovery utilization of phosphorus using solid waste-based adsorbent.
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Affiliation(s)
- Hang Yang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China; School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, 430070, PR China
| | - Guanli Zeng
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China; School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, 430070, PR China
| | - Yunli Liu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Yadong Tang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China
| | - Guoliang Bai
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China
| | - Zisen Liu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China
| | - Hongli Diao
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, 430070, PR China
| | - Yi Zhang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China.
| | - Lei Liu
- State Key Laboratory of Rock and Soil Mechanics and Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, PR China
| | - Qiang Xue
- State Key Laboratory of Rock and Soil Mechanics and Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, PR China
| | - Shibin Xia
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, 430070, PR China.
| | - Qiaohong Zhou
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China
| | - Zhenbin Wu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, PR China
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Li Z, Jiang H, Wang X, Wang C, Wei X. Effect of pH on Adsorption of Tetracycline Antibiotics on Graphene Oxide. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:2448. [PMID: 36767813 PMCID: PMC9915905 DOI: 10.3390/ijerph20032448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/19/2023] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
Graphene oxide (GO) has good dispersibility and adsorption capacity for antibiotics adsorption, a complex process influenced by many factors. In this work, the adsorption mechanism of GO on tetracycline antibiotics at different pH was studied to address its attenuated effects on the microbial growth. The results showed that the adsorption process of GO on three antibiotics, namely, tetracycline (TC), oxytetracycline (OTC), and chlortetracycline (CTC), followed the pseudo-second-order kinetic model. The maximum adsorption capacities were observed at pH5 which were 133.0 mg/g for TC, 125.4 mg/g for OTC, and 167.0 mg/g for CTC. Furthermore, the reaction was uniform adsorption with a single layer on the surface of GO, and heating was conducive to the reaction. In the microbial growth experiment, the growth of E. coli and B. subtilis senses was optimal at pH5, which was consistent with the adsorption experiment. This study analyzed the effect of pH on the adsorption of antibiotics by GO and provided a theoretical basis for the further application of GO in various aquatic environments.
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Affiliation(s)
- Zhenghao Li
- College of Food Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Hua Jiang
- College of Food Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Xipeng Wang
- College of Food Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Cunfang Wang
- College of Food Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Xiangsheng Wei
- Shandong Aifudi Biological Co., Ltd., Jining 272000, China
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Zhang X, Yuan N, Chen T, Li B, Wang Q. Fabrication of hydrangea-shaped Bi 2WO 6/ZIF-8 visible-light responsive photocatalysts for degradation of methylene blue. CHEMOSPHERE 2022; 307:135949. [PMID: 35961452 DOI: 10.1016/j.chemosphere.2022.135949] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/30/2022] [Accepted: 08/01/2022] [Indexed: 06/15/2023]
Abstract
In this paper, the hydrangea-shaped Bi2WO6/ZIF-8 (BWOZ) visible light photocatalysts have been prepared via a facile synthetic strategy for the first time. The constructed BWOZ composites were systematically studied by a series of characterization techniques. The SEM results manifested the octahedral ZIF-8 coated the flower-like Bi2WO6 uniformly and the composition of BWOZ composites had been confirmed by XPS measurement. And the photocatalytic activity was evaluated by eliminating methylene blue with the help of visible light. The results showed that 7%-BWOZ (7.0 wt% Bi2WO6) exhibited better photodegradation capability than pure Bi2WO6 and ZIF-8. Compared with Bi2WO6, the photocatalytic degradation of methylene blue by 7%-BWOZ could reach 85.7%. In addition, the pseudo-first-order kinetic constant of 7%-BWOZ was 23.00 and 1.61 times that of pristine Bi2WO6 and ZIF-8, respectively. The improved photocatalytic ability of BWOZ systems may be due to the construction of heterojunctions between Bi2WO6 and ZIF-8, which resulted in the rapid separation of photogenerated carriers. Additionally, the specific surface area of the formed BWOZ system was also improved in comparison with the flower-shaped Bi2WO6, and thus more active sites could be provided to contact with methylene blue molecules, thereby achieving better removal capacity. Moreover, trapping experiments and electron spin resonance results further illustrated that the coexistence of multiple free radicals realized efficient degradation of methylene blue. More importantly, the photocatalytic property of the 7%-BWOZ composite remained even after three cycles. Furthermore, a feasible photodegradation mechanism was also explored in depth.
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Affiliation(s)
- Xinling Zhang
- School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing, 100083, China
| | - Ning Yuan
- School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing, 100083, China.
| | - Tianxiang Chen
- School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing, 100083, China
| | - Bowen Li
- School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing, 100083, China
| | - Qibao Wang
- School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing, 100083, China
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