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1. Rejection of pharmaceuticals during forward osmosis and prediction by using the solution–diffusion model

Author:
Xie, Yuefeng F.,   et al.   ; Kong, Fan-xin; Yang, Hong-wei; Wu, Yu-qiao; Wang, Xiao-mao;     Show all 5 Authors
Source:
Journal of membrane science 2015 v.476 pp. 410-420
ISSN:
0376-7388
Subject:
artificial membranes; clofibric acid; gemfibrozil; hydrophobicity; ion exchange; models; molecular weight; nalidixic acid; permeability; prediction; reverse osmosis; sodium chloride; solutes; sulfadiazine; sulfamethoxazole
Abstract:
... Two commercial forward osmosis (FO) membranes (HTI-ES and HTI-NW) were employed to study the rejection performance of 24 pharmaceuticals (PhACs) using NaCl as the draw solute. The PhAC permeability coefficient (B value) was determined for each PhAC by using both the reverse osmosis (RO) mode method and the diffusion cell method. The B values were used to predict the rejection ratios in the FO mode ...
DOI:
10.1016/j.memsci.2014.11.026

2. Filterability and structure of the fouling layers of biopolymer coexisting with ferric iron in ultrafiltration membrane

Author:
Xie, Yuefeng F.,   et al.   ; Chen, Xu-di; Yang, Hong-wei; Liu, Wen-jun; Wang, Xiao-mao;     Show all 5 Authors
Source:
Journal of membrane science 2015 v.495 pp. 81-90
ISSN:
0376-7388
Subject:
artificial membranes; biopolymers; calcium; calcium alginate; filterability; fouling; freeze drying; gels; ions; iron; scanning electron microscopy; ultrafiltration
Abstract:
... The filterability and the associated structure of fouling layers formed from calcium alginate coexisting with ferric iron were investigated in this study. Filterability was assessed by using both specific resistance and material properties. The change of ferric iron from more “fresh” to more “aged” forms was considered. The ferric iron molar content was varied from 0% to 100% of calcium ions which ...
DOI:
10.1016/j.memsci.2015.08.002

3. Assessment of the hindered transport model in predicting the rejection of trace organic compounds by nanofiltration

Author:
Xie, Yuefeng F.,   et al.   ; Kong, Fan-xin; Yang, Hong-wei; Wang, Xiao-mao;     Show all 4 Authors
Source:
Journal of membrane science 2016 v.498 pp. 57-66
ISSN:
0376-7388
Subject:
artificial membranes; chloramphenicol; ciprofloxacin; convection; drugs; glucose; haloacetic acids; hydrophobicity; mass transfer; models; molecular weight; nanofiltration; prediction; sodium chloride; solutes
Abstract:
... The DSPM&DE (Donnan steric pore model and dielectric exclusion) model was employed to predict the rejection of six haloacetic acids (HAAs) and six pharmaceuticals (PhACs), selected to have different molecular weight, hydrophobicity and charge, by two commercial nanofiltration (NF) membranes (HL and NF270). Increasing filtration pressures were applied to vary the rejection ratios. Glucose and NaCl ...
DOI:
10.1016/j.memsci.2015.09.062

4. Application of coagulation-UF hybrid process for shale gas fracturing flowback water recycling: Performance and fouling analysis

Author:
Xie, Yuefeng F.,   et al.   ; Kong, Fan-xin; Chen, Jin-fu; Wang, He-ming; Liu, Xiao-ning; Wang, Xiao-mao; Wen, Xia; Chen, Chun-mao;     Show all 8 Authors
Source:
Journal of membrane science 2017 v.524 pp. 460-469
ISSN:
0376-7388
Subject:
aluminum chloride; artificial membranes; carbon; coagulation; energy-dispersive X-ray analysis; fouling; iron oxides; molecular weight; oxygen; scanning electron microscopy; shale; sulfates; turbidity; water reuse
Abstract:
... Shale gas fracturing flowback water (SGFFW) generated during shale gas extraction is of great concern and recycling for another fracking is the common disposal way. In this study, the feasibility of coagulation–UF hybrid process in assisting SGFFW reuse was systematically evaluated. Organics in SGFFW of Fuling were comparable with that reported in Marcellus. Poly aluminium chloride (PAC) dosage of ...
DOI:
10.1016/j.memsci.2016.11.039

5. Quantifying the influence of solute-membrane interactions on adsorption and rejection of pharmaceuticals by NF/RO membranes

Author:
Xie, Yuefeng F.,   et al.   ; Liu, Yan-ling; Wang, Xiao-mao; Yang, Hong-wei;     Show all 4 Authors
Source:
Journal of membrane science 2018 v.551 pp. 37-46
ISSN:
0376-7388
Subject:
adsorption; artificial membranes; drugs; electrostatic interactions; hydrogen bonding; hydrophobic bonding; isoelectric point; nanofiltration; pH; polyamides; reverse osmosis
Abstract:
... The solute-membrane interactions between trace organic compounds (TrOCs) and nanofiltration (NF) or reverse osmosis (RO) membranes result in the adsorption of TrOCs onto membranes and in turn affect the rejection of TrOCs. This study investigated the adsorption and rejection of four positively charged, two neutral and one negatively charged pharmaceuticals (PhACs) by four commercial NF/RO membrane ...
DOI:
10.1016/j.memsci.2018.01.035

6. Preparation of nanofiltration membranes for high rejection of organic micropollutants and low rejection of divalent cations

Author:
Xie, Yuefeng F.,   et al.   ; Liu, Yan-ling; Wang, Xiao-mao; Yang, Hong-wei; Huang, Xia;     Show all 5 Authors
Source:
Journal of membrane science 2019 v.572 pp. 152-160
ISSN:
0376-7388
Subject:
Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; artificial membranes; calcium chloride; cations; crosslinking; diamines; drinking water treatment; drugs; magnesium chloride; nanofiltration; organochlorine compounds; permeability; piperazine; pollutants; polymerization; porosity; tap water
Abstract:
... A simultaneous high rejection of trace organic compounds (TrOCs) and low rejection of divalent cations (Ca2+/Mg2+) would be desirable for nanofiltration (NF) applied for drinking water treatment. The target was however not attainable by using the currently available commercial NF membranes. In this study, 3,5-diaminobenzoic acid (BA) was used as an additional diamine monomer besides piperazine (PI ...
DOI:
10.1016/j.memsci.2018.11.013

7. Exploring the interactions of organic micropollutants with polyamide nanofiltration membranes: A molecular docking study

Author:
Xie, Yuefeng F.,   et al.   ; Liu, Yan-ling; Xiao, Kang; Zhang, Ai-qian; Wang, Xiao-mao; Yang, Hong-wei; Huang, Xia;     Show all 7 Authors
Source:
Journal of membrane science 2019 v.577 pp. 285-293
ISSN:
0376-7388
Subject:
adsorption; artificial membranes; computer simulation; deprotonation; drugs; hydrogen bonding; nanofiltration; pollutants; polyamides; protonation; regression analysis; solubility; van der Waals forces
Abstract:
... The solute-membrane interactions play an important role in adsorption and consequently rejection of trace organic compounds (TrOCs) by nanofiltration (NF) membranes, while the various specific interactions are yet to be identified and quantified. In this study, molecular docking was for the first time explored as a simulation and computation approach to elucidating the solute-membrane interactions ...
DOI:
10.1016/j.memsci.2019.02.017

8. Effect of varying piperazine concentration and post-modification on prepared nanofiltration membranes in selectively rejecting organic micropollutants and salts

Author:
Xie, Yuefeng F.,   et al.   ; Liu, Yan-ling; Zhao, Yang-ying; Wang, Xiao-mao; Wen, Xiang-hua; Huang, Xia;     Show all 6 Authors
Source:
Journal of membrane science 2019 v.582 pp. 274-283
ISSN:
0376-7388
Subject:
artificial membranes; drugs; ethanolamine; hydrophilicity; nanofiltration; permeability; piperazine; pollutants; polymerization; porosity; sodium chloride; wastewater; wastewater treatment; xylose
Abstract:
... Nanofiltration (NF) is considered as a promising technology for the removal of trace organic compounds (TrOCs) for wastewater reclamation, while a simultaneous low rejection of salts is desirable for the ease of using the reclaimed water. This study was conducted to exploit the potential of polypiperazine-amide NF membranes in achieving selective separation of TrOCs and NaCl by varying the concent ...
DOI:
10.1016/j.memsci.2019.04.018

9. Key foulants and their interactive effect in organic fouling of nanofiltration membranes

Author:
Xie, Yuefeng F.,   et al.   ; Guo, Yu; Li, Tian-yu; Xiao, Kang; Wang, Xiao-mao;     Show all 5 Authors
Source:
Journal of membrane science 2020 v.610 pp. 118252
ISSN:
0376-7388
Subject:
Fourier transform infrared spectroscopy; artificial membranes; equations; fouling; lakes; molecular weight; nanofiltration; organic compounds; polysaccharides; statistical analysis; wastewater treatment
Abstract:
... Membrane fouling especially organic fouling of nanofiltration (NF) membranes is notorious but yet remains not fully understood. This study was conducted to identify the key organic substances responsible for organic fouling and quantify the individual and interactive effects of these key foulants on organic fouling, primarily by using statistical methods. A total of ten different water, covering l ...
DOI:
10.1016/j.memsci.2020.118252