SGEB气相法干气制乙苯技术的工业应用  

COMMERCIAL APPLICATION OF GAS-PHASE ALKYLATION TECHNOLOGY SGEB FOR DRY GAS TO ETHYLBENZENE

作　　者：杨玉祥 邓杨清 Yang Yuxiang;Deng Yangqing(CNOOC Dongfang Petrochemical Co.,Ltd.,Dongfang,Hainan 572600)

机构地区：[1]中海油东方石化有限责任公司,海南东方572600

出　　处：《石油炼制与化工》2021年第11期38-41,共4页Petroleum Processing and Petrochemicals

摘　　要：中海油东方石化有限责任公司采用气相法干气制乙苯(SGEB)技术,新建一套120 kt/a乙苯装置,该技术采用烷基化及烷基转移催化剂、五段层式绝热固定床烷基化反应器、催化裂解干气脱丙烯系统、丙苯塔和脱非芳塔等,使得工艺流程简化,投资省,能耗低。装置以催化裂解干气和外购苯为原料,产品乙苯纯度(w)为99.84%,二甲苯质量分数为0.06%,乙烯转化率为98.94%,二乙苯转化率为74.70%,具有较好的经济效益。The gas-phase dry gas to ethylbenzene technology(SGEB)was adopted in a new 120 kt/a ethylbenzene unit in CNOOC Dongfang Petrochemical Co.,Ltd.The technology contains alkylation and transalkylation catalysts,five-stage adiabatic fixed-bed alkylation reactor,the FCC dry gas depropylene system,the installation of the propylbenzene column and the non-aromatic column etc.,having the advantages of simplified process flow,investment-saving and low energy consumption.The unit uses FCC dry gas and purchased benzene as raw materials.The purity of ethylbenzene is 99.84%,the content of xylene is 0.06%,the conversion rate of ethylene is 98.94%,the conversion rate of diethylbenzene is 74.7%,and the economic benefit is very good.

关 键 词：苯 乙烯 催化裂解干气 乙苯 气相烷基化 烷基转移 催化剂 

分 类 号：TQ2[化学工程—有机化工]