Mechanism analysis of nanofiltration membrane fouling behavior by mixed BSA-HA using AFM with modified polyamide-probe
文献类型：期刊论文
| 作者 | Gao, Fang1,2,3; Sheng, Yuxing1,2; Li, Yuping1,2; Cao, Hongbin1,2; Su, Chunlei1,2,4 |
| 刊名 | DESALINATION AND WATER TREATMENT
 |
| 出版日期 | 2017 |
| 卷号 | 59页码:55-64 |
| 关键词 | Nanofiltraion Polyamide membrane Fouling mechanism Modified PA probe Mixed foulants |
| ISSN号 | 1944-3994 |
| 英文摘要 | In this work, fouling mechanisms of mixed foulants, that is, bovine serum albumin (BSA) and humic acid (HA), on nanofiltration (NF) under different factors, including pH, ionic strength, and Ca2+, were investigated by using atomic force microscopy (AFM). Considering that fouling behavior mainly appeared at the polyamide (PA) separation layer of NF membrane, AFM probes modified with PA which was the dominating material of effective separation layer, and coating [BSA-HA](n) were -prepared. Fouling mechanisms of mixed foulants on the NF membrane were studied through -measurements of the interfacial forces of [BSA-HA](n)-PA membrane and [BSA-HA](n)-[BSA-HA](n). Fouling experiments with [BSA-HA](n) were carried out using PA membrane, and the results indicated severe flux reduction occurring at low pH, thereby decreasing the ionic strength or adding Ca2+. The fouling behavior of NF membrane was determined by the interfacial forces (F/R) of [BSA-HA](n)-PA and [BSA-HA](n)-[BSA-HA](n), thus both forces were measured. Results showed that the forces of [BSA-HA](n)-PA membrane were stronger than those of [BSA-HA](n)-[BSA-HA](n). Moreover, both forces were enhanced with low pH, ionic strength and added Ca2+. Results verified that the F/R of [BSA-HA](n)-PA membrane determined the cake formation occurrence time, and F/R of [BSA-HA](n)-[BSA-HA](n) maintained a linear correlation with fouling degree. |
| WOS标题词 | Science & Technology ; Technology ; Physical Sciences |
| 类目[WOS] | Engineering, Chemical ; Water Resources |
| 研究领域[WOS] | Engineering ; Water Resources |
| 关键词[WOS] | REVERSE-OSMOSIS MEMBRANES ; ATOMIC-FORCE MICROSCOPY ; NATURAL ORGANIC-MATTER ; HUMIC-ACID ; ULTRAFILTRATION MEMBRANES ; PHYSICAL ASPECTS ; IONIC-STRENGTH ; SURFACE-WATER ; PROTEIN ; PH |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000403563700006 |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/22722]  |
| 专题 | 过程工程研究所_湿法冶金清洁生产技术国家工程实验室 |
| 作者单位 | 1.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100190, Peoples R China 4.Univ Xiangtan, Xiangtan 411105, Peoples R China |
| 推荐引用方式 GB/T 7714 | Gao, Fang,Sheng, Yuxing,Li, Yuping,et al. Mechanism analysis of nanofiltration membrane fouling behavior by mixed BSA-HA using AFM with modified polyamide-probe[J]. DESALINATION AND WATER TREATMENT,2017,59:55-64. |
| APA | Gao, Fang,Sheng, Yuxing,Li, Yuping,Cao, Hongbin,&Su, Chunlei.(2017).Mechanism analysis of nanofiltration membrane fouling behavior by mixed BSA-HA using AFM with modified polyamide-probe.DESALINATION AND WATER TREATMENT,59,55-64. |
| MLA | Gao, Fang,et al."Mechanism analysis of nanofiltration membrane fouling behavior by mixed BSA-HA using AFM with modified polyamide-probe".DESALINATION AND WATER TREATMENT 59(2017):55-64. |
入库方式： OAI收割
来源：过程工程研究所
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