| Isopropyl alcohol is an important intermediate for composing organism and industrial solvent. It is widely used in medicine, printing ink, chemical industrial combination and so on. At present, it is badly demanded in China, but it mainly depends on importation in china. There are two ways to product isopropyl alcohol. One is hydration of propylene, and the other is catalyzing synthesis of propylene. In this paper, the engineering design of 50000t/a isopropyl alcohol product equipment is studied by hydration of propylene . It includes the engineering design of isopropyl alcohol ′s reaction and its separation. The influence of the reaction's technical conditions on the reaction is also studied. In addition, a new technics to refine isopropyl was invented,which is make up of four towers,we investigated the design of the equipments, the protecting of environment, safety issue and economic evaluating in magnifying the project. At last,the economic evaluating in magnifying the project was completed.
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