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2020-08-10View Original

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Reply #22020-08-10
["关于危化工艺"
Reply #32020-08-10
["我也认为属于氨合成工艺,毕竟造气、甲醇合成都是氨合成工艺中的一部分,不能撤分出单独的工艺产品。"
Reply #42020-08-10
"造气跟合成氨搞到一起没话说,造甲醇跟合成氨是可以独立的,氨厂可能不造甲醇,甲醇厂可能不造氨 这两个产品都是大宗产品,产量低了没法玩吧,设计论证少的了专家吗"
Reply #52020-08-10
"联醇法氨合成工艺: 1)串联在合成氨工艺中,因此既要满足合成氨的工艺条件,又要符合甲醇合成的要求。任何一方工艺条件变化都会影响合成甲醇与合成氨的生产和操作,所以必须在生产中有必要的补充调节措施,以维持两个合成生产的同时进行。 7)由于串联在合成氨工艺中,经合成甲醇以后的工艺气体还须经精制,再去进行氨合成反应。因此,原料其成分经合成甲醇后必须满足按生产的的需要。甲醇合成气是采取部分循环,合成甲醇不是全部生产工艺的终端。 3)与合成氨工艺相比,因联醇采用铜基催化剂,其抗毒性能较差,所以必须采取特殊的净化措施。既保持合成甲醇所必须的CO、CO,又不能使等气体进入系统"

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