低級炭化水素芳香族化触媒及び芳香族化合物の製造方法

Lower hydrocarbon aromatization catalyst and method of manufacturing aromatic compound

Abstract

【課題】低級炭化水素芳香族化触媒を用いた芳香族化合物製造方法において、芳香族炭化水素収率及び活性寿命安定性を向上する。 【解決手段】低級炭化水素を反応させて、芳香族化合物を生成させる低級炭化水素芳香族化触媒の平均結晶径を500nm以下とする。前記触媒の一例として、メタロシリケートであるZSM−5ゼオライトにモリブデンを担持させたものを用いる。そして、前記触媒と低級炭化水素を含む反応ガスとを接触させて芳香族化合物を生成する芳香族化合物の製造方法を提供する。 【選択図】図1
<P>PROBLEM TO BE SOLVED: To upgrade the yield of an aromatic hydrocarbon and the active life stability of the catalyst, in a method of manufacturing an aromatic compound using a lower hydrocarbon aromatization catalyst. <P>SOLUTION: The method of manufacturing the aromatic compound involves the processes described below. The average crystal diameter of a lower hydrocarbon aromatization catalyst for producing an aromatic compound, is set at not more than 500 nm by subjecting the lower hydrocarbon to a chemical reaction. The catalyst to be used includes, for instance, a substance made by supporting ZSM-5 zeolite, as a metallosilicate, with molybdenum. Further, the aromatic compound is produced by allowing the catalyst to come into contact with a reaction gas containing a lower hydrocarbon. <P>COPYRIGHT: (C)2010,JPO&INPIT

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