阴极碱性液溶解4B酸粗品，活性炭吸附除去从粗品中溶出的对甲苯胺等杂质，中间区的酸性液使4B酸精品析出。
The p-methylaniline and other impurity in the crude product are adsorbed by active carbon and the purified 4B acid is precipitated out by acidic solution from middle compartment.
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.
如果需要，也能利用此工艺从粗裂解汽油中抽提出混合二甲苯，将其价值从燃料级提升到化工原料级。
If necessary, it can be distilled out MX from the process, upgrading fuel value to chemical value.
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.
主要产品有蒽、萘、沥青、粗酚、苯、甲苯、二甲苯等。
Main products are anthracene, naphthalene, bitumen, crude carbolic acid, benzene, toluene and xylene etc.
主要产品有蒽、萘、沥青、粗酚、苯、甲苯、二甲苯等。
Main products are anthracene, naphthalene, bitumen, crude carbolic acid, benzene, toluene and xylene etc.
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