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US07514059B2 Method for the production of hydrocyanic acid 有权
生产氢氰酸的方法

Method for the production of hydrocyanic acid
摘要:
Process for preparing hydrocyanic acid by catalytic dehydration of gaseous formamide, in which a formamide-containing recycle stream is obtained from the product mixture after the dehydration and is recirculated to the dehydration, wherein the formamide-containing recycle stream contains from 5 to 50% by weight of water.
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