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Amorphous aluminosilicate catalysts for hydroxyalkylation of aniline and phenol

Paper ID Volume ID Publish Year Pages File Format Full-Text
44684 46052 2006 9 PDF Available
Title
Amorphous aluminosilicate catalysts for hydroxyalkylation of aniline and phenol
Abstract

Amorphous aluminosilicates with controlled porosity in the region of micro-pores (ERS-8, SA) and meso-pores (MCM-41, HMS and MSA) have been compared as catalysts in the hydroxyalkylation of phenol with acetone and of aniline with formaldehyde. The comparison has also included two commercial silica–alumina gels and H-Beta.In the hydroxylakylation of phenol with acetone to bisphenol A (BPA), the catalysts have been compared by batch test in terms of activity and selectivity. In the hydroxylakylation of aniline with formaldehyde, also the catalyst life has been investigated. As a general behavior, mesoporous aluminosilicates have evidenced better catalytic activity, selectivity and longer catalyst life than both microporous ones and commercial silica–alumina gels. In the hydroxyalkylation of aniline to methylenedianiline (MDA), mesoporous MSA have shown similar performances of H-Beta in term of MDA yields, but lower catalyst life.

Keywords
Amorphous; Aluminosilicates; Catalysts
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Amorphous aluminosilicate catalysts for hydroxyalkylation of aniline and phenol
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 307, Issue 1, 12 June 2006, Pages 128–136
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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