Title: Catalyst for preparation of high purity para-diethylbenzene by using ethylbenzene disproportionation and its technology
Application Number: 95118372 Application Date: 1995.11.27
Publication Number: 1131060 Publication Date: 1996.09.18
Approval Pub. Date: Granted Pub. Date: 2000.06.14
International Classifi-cation: B01J29/40,C07C15/02
Applicant(s) Name: Nankai Univ. Address: 300071
Inventor(s) Name: Pan Lurang, Tang Xianghai
Attorney & Agent: ZHAO ZUNSHENG
Abstract:
     The present invention relates to a HZSM-5 molecular sieve catalyst containing two and two-odd elements of B, Mg, Al, Si, P, Ca, Zn, Ti and Zr, and its process to synthesize high-purity para-diethyl benzene (pDEB) through ethylbenzene disproportionation. Said catalyst is prepared by using HZSM-5 molecular sieve as its main ingredient and adopting insuccation method to introduce the described elements under a certain treatment condition. When the invented catalyst is used under the condition of mild operation, the ethylbenzene conversion ratio can be up to 10-30%, pDEB yield is 7-15% and its selectivity is 95-99%.
Time: 3
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