C_6馏分选择性加氢催化剂在苯抽提预处理单元的工业应用

介绍中国石化抚顺石油化工研究院开发的C_6馏分选择性加氢催化剂在550 kt·a-1苯抽提蒸馏装置原料预处理C_6馏分选择性加氢单元的工业应用。结果表明,C_6馏分选择性加氢脱烯烃工艺替代传统白土精制工艺,C_6馏分原料溴指数为(7 500~12 000) mg-Br·(100g)^(-1),在反应器入口温度130℃、入口压力1.8 MPa、氢油体积比250∶1~280∶1和空速2.5 h^(-1)条件下,反应产物溴指数小于5 mg-Br·(100g)^(-1),且芳烃损失接近于0,达到国内同类装置先进水平。

Industrial application of C6 fraction selective hydrogenation catalyst in benzene extraction pretreatment unit

Industrial application of selective hydrogenation catalyst developed by Fushun Research Institute of Petroleum and Petrochemicals for C₆ fraction in benzene extraction pretreatment unit of 550 kt·a^-1 was introduced.The result showed that when selective hydrogenation process of C₆ replaced traditional clay refinement process and under operation conditions of reactor inlet temperature of 130 ℃,inlet pressure of 1.8 MPa,H/HC volume ratio of 250∶1-280∶1,and space velocity of 2.5 h^-1,bromine index of C₆ fraction was (7 500-12 000 ) mg-Br·(100g)^-1,reaction product bromine index kept below 5 mg-Br·(100g)^-1,and loss of aromatics was close to 0,the index could meet advanced level of similar devices.