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苯酚,俗名石炭酸,别名羟基苯;无色或白色晶体;有特殊气味、有毒、有腐蚀性.在空气中变粉红色;密度1.07lg/cm~3,熔点42~43℃,沸点182℃;在室温时稍溶于水,在65以上时能与水混溶,易溶于乙醇、乙醚、氯仿、甘油、二硫化碳等,几乎不溶于石油醚;主要用于生产酚醛树脂、双酚A和己内酰胺等产品,同时也是染料工业、医药工业和农药的重要原料。 1 工艺技术 苯酚工业化装置有氯苯法、拉西法、环己烯法、苯硝化法、异丙苯法、甲苯氧化法等。经过几十年的生产实践。在国外前4种工艺因种种原因已故淘汰。当前,异丙苯法是世界范围内主要选取的工艺;甲苯氧化法由于原
Phenol, commonly known as carbolic acid, alias hydroxybenzene; colorless or white crystals; a special odor, toxic, corrosive. Pink in the air; density 1.07lg/cm~3, melting point 42 ~ 43 °C, boiling point 182 °C; Slightly soluble in water at room temperature, miscible with water above 65, soluble in ethanol, ether, chloroform, glycerol, carbon disulfide, etc., almost insoluble in petroleum ether; mainly used to produce phenolic resin, bisphenol A and caprolactam Other products are also important raw materials for the dye industry, pharmaceutical industry and pesticides. 1 Process Technology Phenol industrialized devices include chlorobenzene, Lacey, cyclohexene, benzene nitration, cumene, and toluene oxidation. After decades of production practice. The first four processes in foreign countries were eliminated due to various reasons. Currently, the cumene process is the world’s main process of choice; toluene oxidation due to the original