Benzene, cyclohexane and normal pentane etc. are frequently used as entrainers in industrial production of anhydrous alcohol through constant boiling and fine distillation.
工业生产中常用苯、环己烷、正戊烷等作夹带剂进行恒沸精馏生产无水乙醇。
2
The components of light benzene and purified benzene are separated using the same packed column in the condition of program raising temperature and quantified using direct area normal method.
The plant has been under normal operation since the new technology was executed and the output of crude benzene increased. The effect of energy-saving and emission reducing has been remarkable.