金融界2025年4月5日消息,国家知识产权局信息显示,中国石油化工股份有限公司取得一项名为“一种己内酰胺废液与煤共气化装置”的专利,授权公告号CN 222715304 U,申请日期为2024年3月。专利摘要显示,本实用新型公开了一种己内酰胺废液与煤共气化装置,包括己内酰胺废液预处理单元和共气化单元,所述己内酰胺废液预处理单元包括依次连接的己萃塔、废液预热器、蒸汽汽提塔、脱氨混合器、脱氨塔、冷却器和...
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