纳滤膜污染原因分析及运行管理
作者:杨砾1   杜海波2 冉祥军2  罗志林2
单位: 1、中国石油炼化公司,2、克拉玛依石化公司
关键词: 纳滤 膜 污染 运行管理
出版年,卷(期):页码: 2012,32(2):87-91

摘要:
 纳滤膜的污染因其与处理工艺、预处理效果以及所处理水质的不同,会产生各种各样的污染。本文结合某炼化公司在用的纳滤膜系统,对纳滤膜的常见污染问题进行了阐述,并从系统预处理、运行参数控制、化学清洗等方面,总结了该系统的运行与管理经验。
A membrane technology was used to separate ammonia from the ammonia stripping liquor of resin loaded with molybdenum in the process of tungsten hydrometallurgy. Compared with the separating effect of molybdenum-tungsten over ammonia of various nanofiltration membranes and reverse osmosis membranes,a low-pressure RO membrane was considered in our experiments. The effects of different variables on the parameters of permeation flux,molybdenum and tungsten retention rate,ammonia recovery rate(or transparence rate),the separation coefficient of Mo and WO3 over ammonia were studied including feed liquor concentration,operation pressure,concentration ratio and temperature. And the optimum technical conditions were obtained: operation pressure 2.41MPa, temperature 36℃ with concentration factor 4:1. Under these conditions, the permeation flux reached 27 L/(m2•h) with nearly 100% retention rate of Mo and WO3, the recovery rate of ammonia reached 76% and the separation coefficient of Mo and WO3 over NH3 were 18 and 51,respectively. The successful application of this process in industry has delivered good economical benefits.
胡磊(1988-),女,湖南醴陵人,硕士,从事冶金分离科学与工程方面的研究.*通讯联系人〈xls1211@sina.com〉

参考文献:
[1] 霍广生,孙培梅.关于钨钼分离的可能方法[J].稀有金属与硬质合金,1997,(1):52-56.
[2] 肖连生,张启修,李青刚.我国钨冶炼技术的新进展[J].稀有金属,2003,27(1):18-22.
[3] 肖连生,龚柏藩,黄芍英,等.离子交换一步法制取高纯仲钨酸铵扩大试验[J].中国有色金属学报,1996,6(3):54
-56.
[4] 孙培梅,李洪桂,李运姣,等.选择性沉淀法从钨酸盐溶液中除钼的工业试验[J].中国有色金属学报,2001,11(3):
499-502.
[5] 肖连生,张启修,龚柏藩.密实移动床-流化床离子交换从钨酸盐溶液中除钼试验研究[J].中国钨业,2001,21(3):66
   -71.
[6] 李洪桂,孙培梅,李运姣,等."选择性沉淀法从钨酸盐溶液中除钼、砷、锑、锡”专利技术的新进展[J].中国钨业,
2000,15(4):29-30.
[7] 祝修盛.我国钨工业现状和发展前景[J].稀有金属快报,2004,(2):23.
[8] Perry M,Linder C.Intermediate RO/UF membranes for concentration and desalting of Low molecular weight organic
   solutes[J].Desalination,1989,71(3):233-245.
[9]K Treffry-Goatley,J Gilson.The application of nanofiltration membranes to the treatment of  industrial effluent  process
  streams[J].Filtration and Separation,1993,52(1):63-66.
 [10] Rautenbach R,Croschl A.Separation potential of nanofiltration membranes[J].Desalination,1990,77(1-3):73-84.
[11] 邵刚.膜法水处理技术[M].北京:冶金工业出版社,1992.
[12] Schaep Johan,Vandeeasteele Carlo.Evaluating the charge of nanofiltration membranes[J].J Membr Sci,2001,1(188):
    129-136.
[13] 黄维菊,魏星.膜分离技术概论[M].北京:国防工业出版社,2007.
[14] 王晓琳,丁宁.反渗透和纳滤技术与应用[M].北京:化学工业出版社,2005.

服务与反馈:
文章下载】【加入收藏

《膜科学与技术》编辑部 地址:北京市朝阳区北三环东路19号蓝星大厦 邮政编码:100029 电话:010-64426130/64433466 传真:010-80485372邮箱:mkxyjs@163.com

京公网安备11011302000819号