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Greener route for the removal of toxic heavy metals and synthesis of 14-aryl-14H dibenzo[a,j] xanthene using a novel and efficient Ag-Mg bimetallic MOF as a recyclable heterogeneous nanocatalyst. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.04.036] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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2
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Adsorption of heavy metals in water by modifying Fe3O4 nanoparticles with oxidized humic acid. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126333] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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3
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Zhou Y, Li Y, Liu D, Wang X, Liu D, Xu L. Synthesis of the inorganic-organic hybrid of two-dimensional polydopamine-functionalized titanate nanosheets and its efficient extraction of U(VI) from aqueous solution. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125422] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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4
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Zheng T, Zhou X, Guo J, Zhong C, Liu Y. Activated mineral adsorbent for the efficient removal of Pb(II) and Cd(II) from aqueous solution: adsorption performance and mechanism studies. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2020; 82:1896-1911. [PMID: 33201853 DOI: 10.2166/wst.2020.453] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Activated mineral adsorbent (AMA) was prepared via double salts (Na2SO4 and CaCO3) heat treatment activation of solid-state potassium feldspar. Adsorption performance of AMA for Cd(II) and Pb(II) was investigated by batch mode and factors affecting adsorption including pH value, initial concentration of adsorbate, contact time, adsorbent dosage and temperature on adsorption performance for Cd(II) and Pb(II) were studied. The results indicated that the adsorption process was pH dependent, endothermic and spontaneous. When the adsorption process of Cd(II) and Pb(II) on AMA reached equilibrium, the maximum saturated adsorption capacities were 263.16 and 303.03 mg/g for Cd(II) and Pb(II) ions, respectively, showing higher adsorption removal efficiency. The Langmuir adsorption isotherm and pseudo second kinetic equation could well fit the adsorption process of Cd(II) and Pb(II) by AMA. Besides, Fourier transform infrared (FT-IR) spectroscopy, X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) techniques were also performed to further reveal the adsorption mechanism. The results indicated that ion exchange, precipitation and adsorption played an important role in adsorption process. From the investigation, it was concluded that AMA was an excellent adsorbent with the advantages of environment-friendly, inexpensive, facile preparation and higher adsorption capacity of toxic Cd(II) and Pb(II) ions.
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Affiliation(s)
- Tao Zheng
- College of Chemistry and Chemical Engineering, Central South University, 410083, Changsha, Hunan Provice, China E-mail:
| | - Xiaohui Zhou
- College of Chemistry and Chemical Engineering, Central South University, 410083, Changsha, Hunan Provice, China E-mail:
| | - Jing Guo
- College of Chemistry and Chemical Engineering, Central South University, 410083, Changsha, Hunan Provice, China E-mail:
| | - Chubin Zhong
- Hunan Longe-Gallop Technology Co., Ltd, 410083, Changsha, Hunan Provice, China
| | - Yaochi Liu
- College of Chemistry and Chemical Engineering, Central South University, 410083, Changsha, Hunan Provice, China E-mail:
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Shen H, Xie W, Zhao M, Su Z, Su X, Lin Z. Preparation of Graphene ‐ Like Carbon Composites (GCC) by Hummers Method Using Fly Ash as Carbon Source and Its Removal of Lead from Wastewater. ChemistrySelect 2020. [DOI: 10.1002/slct.201904947] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Huanglin Shen
- College of Chemistry and Chemical EngineeringXinjiang Normal University. Urumqi Xinjiang 830054 China
- School of Environment and EnergySouth China University of Technology Guangzhou 510006 China
| | - Wenyu Xie
- Faculty of Environmental Science and EngineeringGuangdong University of Petrochemical Technology Maoming 525000 China
| | - Mengqi Zhao
- College of Chemistry and Chemical EngineeringXinjiang University Urumqi 830046 China
| | - Zhi Su
- College of Chemistry and Chemical EngineeringXinjiang Normal University. Urumqi Xinjiang 830054 China
| | - Xintai Su
- School of Environment and EnergySouth China University of Technology Guangzhou 510006 China
| | - Zhang Lin
- School of Environment and EnergySouth China University of Technology Guangzhou 510006 China
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Fadi Alakhras. Kinetics and Diffusion Analysis for the Removal of Cadmium Ion from Aqueous Solutions Using Chitosan-iso-Vanillin Sorbent. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2020. [DOI: 10.1134/s0036024419130041] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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7
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Liang L, Li C, Hou T, Zhong Z, Chen D, Li S, Hu Z, Yang H, Ye X. Preparation of Poly (Allylthiourea-Co-Acrylic Acid) Derived Carbon Materials and Their Applications in Wastewater Treatment. Molecules 2019; 24:molecules24050957. [PMID: 30857175 PMCID: PMC6429361 DOI: 10.3390/molecules24050957] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 03/03/2019] [Accepted: 03/05/2019] [Indexed: 01/28/2023] Open
Abstract
Functional carbon materials have been developed and applied in various sewage treatment applications in recent years. This article reports the fabrication, characterization, and application of a new kind of poly (allylthiourea-co-acrylic acid) (PAT⁻PAC) hydrogel-based carbon monolith. The results indicated that the poly acrylic acid component can endow the PAT⁻PAC hydrogel with an increased swelling ratio and enhanced thermal stability. During the carbonization process, O⁻H, N⁻H, C=N, and ⁻COO⁻ groups, etc. were found to be partly decomposed, leading to the conjugated C=C double bonds produced and the clear red shift of C=O bonds. Particularly, it was found that this shift was accelerated under higher carbonization temperature, which ultimately resulted in the complex conjugated C=C network with oxygen, nitrogen, and sulfur atoms doped in-situ. The as-obtained carbon monoliths showed good removal capacity for Ni(II) ions, organic solvents, and dyes, respectively. Further analysis indicated that the Ni(II) ion adsorption process could be well described by pseudo-second-order and Freundlich models under our experimental conditions, respectively. The adsorption capacity for Ni(II) ions and paraffin oil was as high as 557 mg/g and 1.75 g/g, respectively. More importantly, the as-obtained carbon monoliths can be recycled and reused for Ni(II) ions, acetone, and paraffin oil removal. In conclusion, the proposed PAT⁻PAC-based carbonaceous monoliths are superior adsorbents for wastewater treatment.
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Affiliation(s)
- Limei Liang
- School of Materials Science and Energy Engineering, Foshan University, Foshan 528000, China.
- Faculty of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, China.
| | - Chengpeng Li
- School of Materials Science and Energy Engineering, Foshan University, Foshan 528000, China.
- Faculty of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, China.
| | - Tingting Hou
- Faculty of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, China.
| | - Zhiying Zhong
- Faculty of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, China.
| | - Dongchu Chen
- School of Materials Science and Energy Engineering, Foshan University, Foshan 528000, China.
| | - Sidong Li
- Faculty of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, China.
| | - Zhang Hu
- Faculty of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, China.
| | - Haihua Yang
- Faculty of Chemistry and Environmental Science, Guangdong Ocean University, Zhanjiang 524088, China.
| | - Xiufang Ye
- School of Materials Science and Energy Engineering, Foshan University, Foshan 528000, China.
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8
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Affiliation(s)
- Chun-Yan Cao
- College of Chemistry and Chemical Engineering, Bohai University, Jinzhou, Liaoning, China
| | - Bing Yu
- Jinzhou Petrochemical Company, PetroChina, Jinzhou, Liaoning, China
| | - Ming Wang
- College of Chemistry and Chemical Engineering, Bohai University, Jinzhou, Liaoning, China
| | - Ying-Ying Zhao
- College of Chemistry and Chemical Engineering, Bohai University, Jinzhou, Liaoning, China
| | - Yong-Hua Zhao
- School of Chemistry & Environmental Engineering, Liaoning University of Technology, Jinzhou, Liaoning, China
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9
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Metal ion adsorption from wastewater by g-C3N4 modified with hydroxyapatite: a case study from Sarcheshmeh Acid Mine Drainage. RESEARCH ON CHEMICAL INTERMEDIATES 2019. [DOI: 10.1007/s11164-018-03733-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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10
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Yang T, He R, Nie G, Wang W, Zhang G, Hu Y, Wu L. Creation of Hollow Calcite Single Crystals with CQDs: Synthesis, Characterization, and Fast and Efficient Decontamination of Cd(II). Sci Rep 2018; 8:17603. [PMID: 30514918 PMCID: PMC6279770 DOI: 10.1038/s41598-018-36044-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 11/12/2018] [Indexed: 01/05/2023] Open
Abstract
In this work, carbon quantum dots were first prepared through one-pot hydrothermal route of the propyl aldehyde and sodium hydroxide via an aldol condensation reaction, and a novel solid-phase extraction adsorbent of hollow calcite single crystals was prepared via the precipitation of metal nitrates by the CO2 diffusion method in the presence of CQDs and further applied for excessive Cd(II) ions removal from water. The spectra and morphologies of the etched calcite were investigated by X-ray diffraction, Fourier transform infrared spectrometry, Scanning electron microscope, and Transmission electron microscopy. The results show that the CQDs etching technique successfully furnish a strategy for manufacturing interface defects onto the calcite crystal. Bath studies were done to evaluate the effects of the major parameters onto Cd(II) adsorption by the etched calcite, such as pH, contact time, and initial Cd(II) concentration. The Cd(II) adsorption onto the new adsorbent could reach a maximum adsorption amount of 66.68 mg/g at 120 min due to the abundant exterior adsorption sites on the adsorbent. The adsorption kinetics and adsorption isotherms of Cd(II) on the etched calcite were also investigated. The experimental datum showed that the adsorption kinetics and isotherms of Cd(II) on the etched calcite were well-fitted by the pseudo-second-order kinetic model and the Freundlich isotherm model respectively. The adsorption mechanisms could be primarily explained as the formation of Cd(OH)2 and CaxCd1-xCO3 solid solution on the adsorbent surface with the help of X-ray photoelectron spectroscopy.
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Affiliation(s)
- Tianli Yang
- College of Science, Central South University of Forestry and Technology, Changsha, 410004, China
| | - Ren He
- College of Science, Central South University of Forestry and Technology, Changsha, 410004, China
| | - Guihua Nie
- College of Science, Central South University of Forestry and Technology, Changsha, 410004, China
| | - Wenlei Wang
- College of Science, Central South University of Forestry and Technology, Changsha, 410004, China. .,Key Laboratory for Digital Dongting Lake Basin of Hunan Province, Changsha, 410004, China.
| | - Gui Zhang
- College of Science, Central South University of Forestry and Technology, Changsha, 410004, China.,Key Laboratory for Digital Dongting Lake Basin of Hunan Province, Changsha, 410004, China
| | - Yunchu Hu
- College of Science, Central South University of Forestry and Technology, Changsha, 410004, China
| | - Lichao Wu
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Changsha, 410004, China
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11
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Hao J, Ji L, Li C, Hu C, Wu K. Rapid, efficient and economic removal of organic dyes and heavy metals from wastewater by zinc-induced in-situ reduction and precipitation of graphene oxide. J Taiwan Inst Chem Eng 2018. [DOI: 10.1016/j.jtice.2018.03.045] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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12
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Zhang X, Yang S, Yu B, Tan Q, Zhang X, Cong H. Advanced Modified Polyacrylonitrile Membrane with Enhanced Adsorption Property for Heavy Metal Ions. Sci Rep 2018; 8:1260. [PMID: 29352203 PMCID: PMC5775326 DOI: 10.1038/s41598-018-19597-3] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 01/04/2018] [Indexed: 12/01/2022] Open
Abstract
Advanced modified polyacrylonitrile (PAN) membrane with high adsorption property for heavy metal ions was designed and fabricated for the first time. The introduced diazoresin-ethylenediaminetetraacetic acid (DR-EDTA) layer could effectively absorb the metal ion, such as Cu2+, Pb2+, Hg2+ in the waste water. The effects of layers, metal ion concentration, pH, temperature and cycle time were investigated. The results showed that the adsorption isotherms for Cu2+ were well fitted by Langmuir model. The maximum adsorption capacity of the modified membrane for Cu2+ was approximately 47.6 mg/g. In addition, the prepared PAN-(DR-EDTA)3 membrane could be regenerated more than 720 h based on their adsorption/desorption cycles. The results demonstrated that the modified PAN membrane could be used as effective adsorbents for heavy metal removal from waste water.
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Affiliation(s)
- Xinfeng Zhang
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, China
| | - Shujing Yang
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, China
| | - Bing Yu
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, China.,Laboratory for New Fiber Materials and Modern Textile, Growing Base for State Key Laboratory, College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, China
| | - Qinglong Tan
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, China
| | - Xiaoyan Zhang
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, China
| | - Hailin Cong
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, China. .,Laboratory for New Fiber Materials and Modern Textile, Growing Base for State Key Laboratory, College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, China.
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Wang H, Zheng L, Liu G, Zhou Y. Enhanced adsorption of Ag+ on triethanolamine modified titanate nanotubes. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2017.09.049] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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14
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Wang J, Li Z. Enhanced selective removal of Cu(II) from aqueous solution by novel polyethylenimine-functionalized ion imprinted hydrogel: Behaviors and mechanisms. JOURNAL OF HAZARDOUS MATERIALS 2015; 300:18-28. [PMID: 26151381 DOI: 10.1016/j.jhazmat.2015.06.043] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Revised: 05/15/2015] [Accepted: 06/19/2015] [Indexed: 05/25/2023]
Abstract
A novel polyethylenimine-functionalized ion-imprinted hydrogel (Cu(II)-p(PEI/HEA)) was newly synthesized by (60)Co-γ-induced polymerization for the selective removal of Cu(II) from aqueous solution. The adsorption performances including the adsorption capacity and selectivity of the novel hydrogel were much better than those of similar adsorbents reported. The hydrogel was characterized via scanning electron microscope, transmission electron microscopy, Fourier transform infrared spectra, thermal gravimetric analysis and X-ray photoelectron spectroscopy to determine the structure and mechanisms. The adsorption process was pH and temperature sensitive, better fitted to pseudo-second-order equation, and was Langmuir monolayer adsorption. The maximum adsorption capacity for Cu(II) was 40.00 mg/g. The selectivity coefficients of ion-imprinted hydrogel for Cu(II)/Pb(II), Cu(II)/Cd(II) and Cu(II)/Ni(II) were 55.09, 107.47 and 63.12, respectively, which were 3.93, 4.25 and 3.53 times greater than those of non-imprinted hydrogel, respectively. Moreover, the adsorption capacity of Cu(II)-p(PEI/HEA) could still keep more than 85% after four adsorption-desorption cycles. Because of such enhanced selective removal performance and excellent regeneration property, Cu(II)-p(PEI/HEA) is a promising adsorbent for the selective removal of copper ions from wastewater.
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Affiliation(s)
- Jingjing Wang
- State Key Laboratory of Pollutant Control and Resource Reuse, Nanjing 210023, China; School of the Environment, Nanjing University, Nanjing 210023, China
| | - Zhengkui Li
- State Key Laboratory of Pollutant Control and Resource Reuse, Nanjing 210023, China; School of the Environment, Nanjing University, Nanjing 210023, China.
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15
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Shen C, Chen C, Wen T, Zhao Z, Wang X, Xu A. Superior adsorption capacity of g-C3N4 for heavy metal ions from aqueous solutions. J Colloid Interface Sci 2015; 456:7-14. [DOI: 10.1016/j.jcis.2015.06.004] [Citation(s) in RCA: 126] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Revised: 05/19/2015] [Accepted: 06/02/2015] [Indexed: 10/23/2022]
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Preparation of highly permeable BPPO microfiltration membrane with binary porous structures on a colloidal crystal substrate by the breath figure method. J Colloid Interface Sci 2015; 461:232-238. [PMID: 26402782 DOI: 10.1016/j.jcis.2015.09.019] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Revised: 08/29/2015] [Accepted: 09/08/2015] [Indexed: 11/22/2022]
Abstract
A highly permeable brominated poly(phenylene oxide) (BPPO) microfiltration membrane with binary porous structures was fabricated by combination of the breath figure and colloidal crystal template methods. The pore size in the bottom layer of the membrane was adjusted by the diameter of SiO2 microspheres in the colloidal crystal template, while the pore size in the top layer of the membrane was adjusted by varying the BPPO concentration in the casting solution. The permeability of the membrane cast on the colloidal crystal substrate was much higher than that of the membrane cast on a bare silicon wafer. The binary porous BPPO membrane with high permeability and antifouling property was used for microfiltration applications.
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Dong Z, Zhang F, Wang D, Liu X, Jin J. Polydopamine-mediated surface-functionalization of graphene oxide for heavy metal ions removal. J SOLID STATE CHEM 2015. [DOI: 10.1016/j.jssc.2014.06.030] [Citation(s) in RCA: 112] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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18
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Su Y, Peng L, Shiue A, Hong GB, Qian Z, Chang CT. Carbon dioxide adsorption on amine-impregnated mesoporous materials prepared from spent quartz sand. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION (1995) 2014; 64:827-833. [PMID: 25122956 DOI: 10.1080/10962247.2014.884025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Mesoporous MCM-41 was synthesized using cetyltrimethyl ammonium bromide (CTAB) as a cationic surfactant and spent quartz sand as the silica source. Modification of the mesoporous structure to create an absorbent was then completed using 3-aminopropyltrimethoxysilane. Amine-Quartz-MCM (The A-Q-MCM) adsorbents were then characterized by N2 adsorption/desorption, elemental analysis (EA), X-ray fluorescence (XRF), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), as well as the carbon dioxide (CO2) adsorption/desorption performance. In this study, spent quartz sand was utilized to synthesize Quartz-MCM (Q-MCM) and the amine functionalized material, A-Q-MCM, which exhibited a higher uptake of CO2 at room temperature compared with the nongrafted material. The results showed that Q-MCM is similar to MCM-41 synthesized using commercial methods. The surface area, pore volume, and pore diameter were found to be as high as 1028 m2/g, 0.907 cm3/g, and 3.04 nm, respectively. Under the condition of CO2 concentration of 5000 ppm, retention time of 50 cc/min, and the dosage of 1 g/cm3, the mean adsorption capacity of CO2 onto A-Q-MCM was about 89 mg/g, and the nitrogen content of A-Q-MCM was 2.74%. The adsorption equilibrium was modeled well using a Freundlich isotherm. Implications: In this study, spent quartz sand was utilized to synthesize Q-MCM. The amine functionalized material exhibited a higher uptake of CO2 at room temperature compared with the nongrafted material. The results showed that Q-MCM is similar to MCM-41 synthesized using commercial methods. The adsorption equilibrium was modeled well using a Freundlich isotherm.
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Ran J, Wang N, You X, Wu C, Li Q, Gong M, Xu T. Guanidylated hollow fiber membranes based on brominated poly (2,6-dimethyl-1,4-phenylene oxide) (BPPO) for gold sorption from acid solutions. JOURNAL OF HAZARDOUS MATERIALS 2012; 241-242:63-72. [PMID: 23046695 DOI: 10.1016/j.jhazmat.2012.08.067] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2012] [Revised: 08/27/2012] [Accepted: 08/28/2012] [Indexed: 06/01/2023]
Abstract
Novel guanidylated hollow fiber membranes are prepared based on brominated poly (2,6-dimethyl-1,4-phenylene oxide) (BPPO) under mild reaction conditions. 1H-pyrazole-1-carboxamidine hydrochloride (HPCA) is employed for the guanidylation in aqueous solution at room temperature. The obtained guanidylated PPO hollow fiber membranes (GPPO HFMs) contain 0.31-0.95 mmol/g guanidyl groups and show high affinity to tetrachloroauric anions (AuCl(4)(-)) in acid solutions. For 0.1M HCl solution containing 57.8 mg gold/L, the sorption amount can get as high as 130 mg/g. Besides, the GPPO HFMs show preferable selectivity toward gold in multicomponent solution containing Mg(II), Fe(III), Co(II), Ni(II), Cu(II), Zn(II) and Pb(II). A system of comparison experiments involving the sorption behavior of GPPO HFMs and quaternary aminated HFMs are also performed. The results reveal that driving forces for the high adsorption of gold mainly involve complexation mechanism. Overall, the obtained GPPO HFM is a promising chelating material for the recovery of gold.
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Affiliation(s)
- Jin Ran
- CAS Key Laboratory of Soft Matter Chemistry, Lab of Functional Membranes, School of Chemistry and Material Science, University of Science and Technology of China, Hefei 230026, PR China
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Deng H, Gao L, Zhang S, Yuan J. Preparation of a Copper Ion Selective Membrane by Surface-Modified Molecular Imprinting. Ind Eng Chem Res 2012. [DOI: 10.1021/ie202972j] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Huining Deng
- Engineering
Research Center of Seawater Utilization
Technology, Ministry of Education; Hebei University of Technology, Tianjin 300130, PR China
| | - Liya Gao
- Engineering
Research Center of Seawater Utilization
Technology, Ministry of Education; Hebei University of Technology, Tianjin 300130, PR China
| | - Shaofeng Zhang
- Engineering
Research Center of Seawater Utilization
Technology, Ministry of Education; Hebei University of Technology, Tianjin 300130, PR China
| | - Junsheng Yuan
- Engineering
Research Center of Seawater Utilization
Technology, Ministry of Education; Hebei University of Technology, Tianjin 300130, PR China
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Zheng X, Fan R, Zhao J. An Ion-Imprinted Microporous Polypropylene Membrane for the Selective Removal of Cu(II) from an Aqueous Solution. SEP SCI TECHNOL 2012. [DOI: 10.1080/01496395.2011.645985] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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22
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Zhang Q, Wang N, Xu T, Cheng Y. Poly(amidoamine) dendronized hollow fiber membranes: synthesis, characterization, and preliminary applications as drug delivery devices. Acta Biomater 2012; 8:1316-22. [PMID: 22154857 DOI: 10.1016/j.actbio.2011.11.027] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2011] [Revised: 11/15/2011] [Accepted: 11/21/2011] [Indexed: 10/14/2022]
Abstract
Poly(amidoamine) (PAMAM) dendrons were prepared from hollow fiber membranes (HFM) consisting of bromomethylated poly(2,6-dimethyl-1,4-phenylene oxide) (BPPO) in a stepwise manner. The prepared HFM were characterized by Fourier transform infrared spectroscopy, elemental analysis, and scanning electron microscopy. The drug loading efficiency and release behavior of the PAMAM dendronized HFM were evaluated using sodium salicylate, sodium methotrexate, and Congo red as model drugs. The results suggest that PAMAM dendronized HFM can be effectively loaded with a variety of drugs and prolong the release of these drugs. The drug loading and release characteristics of the HFM depend on the generation of PAMAM dendrons grafted on the membranes. The prepared PAMAM dendronized BPPO HFM are promising scaffolds in drug delivery and tissue engineering.
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24
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Cheng Z, Wu C, Yang W, Xu T. Bromomethylated Poly(2,6-dimethyl-1,4-phenylene oxide) (BPPO)-Based Amphoteric Hollow-Fiber Membranes: Preparation and Lysozyme Adsorption. Ind Eng Chem Res 2010. [DOI: 10.1021/ie100348e] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zhenfeng Cheng
- CAS Key Laboratory of Soft Matter Chemistry, Laboratory of Functional Membranes, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China, and School of Chemical Engineering, Hefei University of Technology, Hefei, Anhui 230009, P. R. China
| | - Cuiming Wu
- CAS Key Laboratory of Soft Matter Chemistry, Laboratory of Functional Membranes, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China, and School of Chemical Engineering, Hefei University of Technology, Hefei, Anhui 230009, P. R. China
| | - Weihua Yang
- CAS Key Laboratory of Soft Matter Chemistry, Laboratory of Functional Membranes, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China, and School of Chemical Engineering, Hefei University of Technology, Hefei, Anhui 230009, P. R. China
| | - Tongwen Xu
- CAS Key Laboratory of Soft Matter Chemistry, Laboratory of Functional Membranes, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China, and School of Chemical Engineering, Hefei University of Technology, Hefei, Anhui 230009, P. R. China
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