摘要
氰尿酸是高效除藻剂二氯异氰尿酸钠(钾)和三氯异氰尿酸的主要原料,尿素热解法生产氰尿酸的传统工艺会产生大量的含氨气体和大量不同浓度的酸性废水。多数生产企业分别采取了副产氨水和用石灰中和酸性废水(再排放)的方法,又会导致二次污染。本文从清洁生产技术入手对该生产工艺进行了零排放改造,并综合分析和优化各工艺参数,达到了污染治理的设计目标,实现了副产品的回收和综合利用,获得治污、增效的双重目的。
Cyanuric acid is a main raw material for sodium dichloro-isocyanuric and trichloro-isocyanuric acid production which are high-efficient healthy reagents for eliminating algae germcide.The traditional production technology of cyanuric acid is urea thermolysis and refinement of sulphuric acid acidification.Accompanied with the production,a large amount of waste gas containing ammonia and acidic waste water are discharged.In order to solve this pollution problem,many factories adopt a method of neutralizing acidic waste water with ammonia byproduct and lime.However,the method brings pollution to environment and the economic efficiency is low.In this paper,the process of production was analyzed and optimized from the beginning of clean production and the target of changing waste into treasure and protecting the environment is reached.
出处
《化学工业与工程》
CAS
2005年第4期322-324,共3页
Chemical Industry and Engineering
关键词
氰尿酸
清洁生产
治理污染
综合利用
cyanuric acid
clean production
pollution control
comprehensive utilization
