介绍了合成氨中压联醇串高压醇烷化工艺技术，达到了取代铜洗的目的。
The process technology for medium-pressure methanol in ammonia synthesis combined with high-pressure methanol methanation was introduced; the purpose for replacing the copper washing was reached.
介绍了迁安化肥股份有限公司氨合成系统以双塔并联为特色的工艺技术改造。
It is introduced the modification of ammonia synthesis system with twin paralleled towers in Qian 'an chemical fertilizer Co., Ltd.
介绍了迁安化肥股份有限公司氨合成系统以双塔并联为特色的工艺技术改造。
It is introduced the modification of ammonia synthesis system with twin paralleled towers in Qian 'an chemical fertilizer Co., Ltd.
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