スチレン製造技術の進歩
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概要
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The recent development of manufacturing process of ethylbenzene and styrene is reviewed in this article.<BR>Most of the ethylbenzene in the world is made by liquid phase Friedel-Crafts alkylation using aluminium chloride, and this process has been improved on various aspects. Solid catalysts such as molecular sieves and BF<SUB>3</SUB>-almina have been developed for the prevention of corrosion by aluminium chloride.<BR>The dehydrogenation of ethylbenzene is still most important for the commercial production of styrene. Some technical improvements concerning reactor design, catalyst, and recovery of styrene have been made by many producers.<BR>Co-production process of propylene oxide and styrene is also important.<BR>Many other new routes to styrene have been extensively investigated.
- 社団法人 有機合成化学協会の論文