The Paper bears on the problems appearing before and after the Prism hydrogen recovery set of large ammonia plant was put into operation and deals with the solving measures.
介绍大型氨厂普里森氢回收装置投运前后存在的问题及对策；
This paper introduced the reformation of ammonia recovery system and influence on the environment in urea plant , the process is the energy-saving and easy to operation.
介绍新尿素装置中压氨系统停车排放过程中氨回收的改造及所取得的效果，对环境的影响，达到操作优化、节能降耗的目的。
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