Hydrocyanic acid,the by products in the production process of arcylonitrile is poisoning and hazardous,so it is necessary to adopt measures to safeguard normal production.

• 丙烯腈生产工艺产生的副产品氢氰酸属于剧毒物质,生产过程中容易发生氢氰酸中毒事故,具有较大的危险性。因而,采取有效的安全措施是正常生产的保障。