同时，研究发现焦化二甲苯中含有二甲基噻吩硫化物是致使离子液体催化剂失活的主要因素。
Dimethylthiophene was found to be one of the toxic components in coking xylene lead to the deactivation of ILs catalyst.
回收粗苯是焦化厂生产的中间产品，是精制车间生产纯苯、甲苯、二甲苯等产品的原料。
Recovery of crude benzene is the coking plant production of intermediate products, refined workshop production of benzene, toluene, xylene and other products of raw materials.
焦化粗苯是炼焦工业的副产品，精制可得到苯、甲苯及二甲苯等化工基础原料。
The crude benzol is the byproduct of coking industry, by the purification of which chemical foundation raw materials such as benzene, toluene and xylene can be obtained.
焦化粗苯是炼焦工业的副产品，精制可得到苯、甲苯及二甲苯等化工基础原料。
The crude benzol is the byproduct of coking industry, by the purification of which chemical foundation raw materials such as benzene, toluene and xylene can be obtained.
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