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[1]陈娜,杨刚.阻垢剂在反渗透处理造纸废水中的应用[J].南京工业大学学报(自然科学版),2015,37(04):124-128.[doi:10.3969/j.issn.1671-7627.2015.04.022]
 CHEN Na,YANG Gang.Application of scale inhibitor in paper-making wastewater treatment with reverse osmosis[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2015,37(04):124-128.[doi:10.3969/j.issn.1671-7627.2015.04.022]
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阻垢剂在反渗透处理造纸废水中的应用()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
37
期数:
2015年04期
页码:
124-128
栏目:
出版日期:
2015-07-09

文章信息/Info

Title:
Application of scale inhibitor in paper-making wastewater treatment with reverse osmosis
文章编号:
1671-7627(2015)04-0124-05
作者:
陈娜杨刚
南京工业大学 化学化工学院 材料化学工程国家重点实验室,江苏 南京 210009
Author(s):
CHEN NaYANG Gang
State Key Laboratory of Materials-Oriented Chemical Engineering,College of Chemistry and Chemical Engineering,Nanjing Tech University,Nanjing 210009,China
关键词:
阻垢剂 阻垢率 造纸废水 反渗透
Keywords:
scale inhibitor inhibition efficiency papermaking wastewater reverse osmosis
分类号:
TQ085
DOI:
10.3969/j.issn.1671-7627.2015.04.022
文献标志码:
A
摘要:
以静态实验法评定阻垢剂PC191和MDC150对CaCO3、CaSO4、BaSO4与SrSO4的阻垢性能。同时采用动态法考察阻垢剂在反渗透(RO)处理造纸废水过程中的阻垢性能。结果表明:阻垢剂质量浓度均为2~6 mg/L时,阻垢率(η)的大小顺序为η(CaCO3)>η(CaSO4)>η(SrSO4)>η(BaSO4); 阻垢剂质量浓度大于8 mg/L时,2种阻垢剂对CaCO3、CaSO4和BaSO4的阻垢率均能达到90%左右。在反渗透过程中,浓缩5.5 h,通量衰减为原通量的65%左右。加入阻垢剂PC191,Ca2+、Ba2+和Sr2+的浓度均大于加入阻垢剂MDC150时的浓度,阻垢剂PC191的配位效果优于MDC150。通过冷场发射扫描电子显微镜(FESEM),对加入阻垢剂前后反渗透膜进行表征。结果表明,RO膜面有明显的污染物堆积,阻垢剂的加入明显改变了垢的表面形貌。
Abstract:
The scale inhibitors PC191 and MDC150 on CaCO3,CaSO4,BaSO4 and SrSO4 were investigated by static tests,and their performances with reverse osmosis(RO)by dynamic methods in papermaking wastewater treatment were investigated.Results showed that the dosages of scale inhibitor were 2-6 mg/L with η(CaCO3)>η(CaSO4)>η(SrSO4)>η(BaSO4).The dosages were greater than 8 mg/L,the inhibition efficiency was about 90%.When the concentration time was 5.5 h in RO process,the flux decreased to 65%.The concentrations of CaCO3, CaSO4, and BaSO4 in the presence of PC191 were larger than that in the presence of MDC150,and PC191 showed better coordination effect than MDC150.The RO membrane was characterized by field emission scanning electron microscope(FESEM)before and after adding of scale inhibitor.The surface of membrane had more pollutant accumulation,and precipitated morphology was modified in the presence of the scale inhibitors.

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备注/Memo

备注/Memo:
收稿日期:2014-05-04
基金项目:国家科技支撑计划(2013BAE11B03)
作者简介:陈娜(1987—),女,重庆人,硕士,主要研究方向为水处理; 杨刚(联系人),教授,E-mail:yanggang@njtech.edu.cn.
引用本文:陈娜,杨刚.阻垢剂在反渗透处理造纸废水中的应用[J].南京工业大学学报:自然科学版,2015,37(4):124-128..
更新日期/Last Update: 2015-07-08