摘要
简要介绍了大庆石化腈纶厂回收污水中硫氰酸钠的工艺流程、原理及操作。通过应用套碱技术、更换树脂等多次技术改造,有效地提高了硫氰酸钠的回收率,降低了成本,同时减少了腈纶污水对环境的污染。
Brief Introduction the process,principles and operation that recovery in Daqing Petrochemical acrylic sodium thiocyanate from wastewater.Using the spent alkali recovery technology to recover sodium sulfocyanat and replacement Resin,efectively increased the recovery rate of sod ium sulfocyanate and Reduced costs.At the same time the environmental pollution have been decreased.
出处
《精细化工原料及中间体》
2010年第7期31-32,共2页
Fine Chemical Industrial Raw Materials & Intermediates
关键词
硫氰酸钠
回收率
经济效益
环境污染
sod ium sulfoeyanate
recovery rate
Economic benefits
environment pollution
