低温甲烷化技术在炼油厂聚丙烯原料氢气精制中的应用  

APPLICATION OF CRYOGENIC METHANATION TECHNOLOGY IN HYDROGEN REFINING FOR POLYPROPYLENE IN REFINERY

作　　者：梁峰[1] Liang Feng(SINOPEC Qingdao Refining&Chemical Co.,Ltd.,Qingdao,Shandong 266500)

机构地区：[1]中国石化青岛炼油化工有限责任公司,山东青岛266500

出　　处：《石油炼制与化工》2022年第3期62-66,共5页Petroleum Processing and Petrochemicals

摘　　要：对以低温甲烷化技术替代普遍使用的PSA技术来精制聚丙烯原料氢气进行研究,提出设计技术方案;并使用BC-H-10催化剂,利用炼油厂低温热源,进行了低温甲烷化技术脱除炼油厂工业氢中的CO提供聚丙烯原料氢气的工业应用。结果表明,在反应压力1.8 MPa、温度150~155℃、催化剂装填量0.1 m^(3)情况下,改造投资65万元,可将工业氢中CO杂质体积分数稳定降至0.1μL/L以下,低温甲烷化精制氢气规模为300 m^(3)/h,氢气收率99%,高于原使用的PSA法,并节省投资和占地,年降本增效350万元。The cryogenic methanation technology was studied to replace the commonly used PSA technology to refine hydrogen for polypropylene raw material,and the technical scheme was designed and put forward.BC-H-10 catalyst was used to remove CO from refinery industrial hydrogen to provide raw material for polypropylene by cryogenic methanation technology with low-temperature heat source in refinery.The results show that the CO impurity content in industrial hydrogen can be reduced to less than 0.1μL/L steadily at the conditions of reaction pressure of 1.8 MPa,temperature of 150-155℃and catalyst loading of 0.1 m^(3).The scale of cryogenic methanation is 300 m^(3)/h,and the hydrogen yield is 99%,which is higher than the original PSA process.The cryogenic methanation technology can save investment and land occupation,reduce operation cost and increase efficiency by 3.5 million yuan per year.

关 键 词：炼油厂 聚丙烯 氢气 低温甲烷化 

分 类 号：TE624[石油与天然气工程—油气加工工程] TQ116.2[化学工程—无机化工]