There are two method to measure the weight ratio of crudebenzene.
测定粗苯重量比，有色谱法和蒸馏法两种方法，其中蒸馏法为仲裁方法。
2
Recovery of crudebenzene is the coking plant production of intermediate products, refined workshop production of benzene, toluene, xylene and other products of raw materials.
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。
3
The reasonable improvement of the lean oil technics in crudebenzene tower and heat exchanger of lean and fat oil is introduced according to the practical conditions after reconstruction.