膜技术处理褐藻酸钠废水  

Wastewater treatment of sodium alginate by membrane processes

作　　者：薛德明[1] 于品早[1] 张国防 赵桂娟 许家超[3] 

机构地区：[1]国家海洋局杭州水处理技术研究开发中心,杭州310012 [2]青岛胶南明月海藻工业有限责任公司,胶南266400 [3]中国海洋大学,青岛266003

出　　处：《膜科学与技术》2003年第4期47-50,共4页Membrane Science and Technology

基　　金：国家海洋局 2 0 0 0年度科研项目 (HK0 0 - 0 1)

摘　　要：介绍了采用预处理—超滤—纳滤工艺处理褐藻酸钠生产过程中排放的含钙废水的试验研究结果 .结果表明 ,该废水经处理后 ,产水可作为生产工艺用水回用 ,回用率≥ 75 % ,浓缩液和废渣可制取海藻生物肥 ,实现清洁生产 。The treatment of wastewater that drained from the production of sodium alginate by integrated membranes processes (UF+NF) was investigated.The results show that the technological process used to treat the wastewater was reasonable.After treating,the desalted solution might be reused as technological water,water recovery ratio was more than 75%,the concentrated solution and the residue of wastewater were prepared as seaweed feritilize.Using the process,not only the ervironmental,but alsothe economic benefit were both remarkable.Clean production process was achieved.

关 键 词：膜分离技术 褐藻酸钠废水处理 褐藻酸钠 海藻加工 海藻生物肥 

分 类 号：X703[环境科学与工程—环境工程]