Analyzes the problems of ammonia and nitrogen emission and COD exceeding the standard during urea production,solves the problems through such measures as technical revamp and strengthening management.

• 针对尿素生产过程中,氨氮排放和COD易超标的问题进行了分析,通过技术改造、加强管理等措施,解决了排放超标问题。