The influence of phosphotungstic acid ac
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K. Usha Nandhini; J. Herbert Mabel; Banumathi Arabindoo; M. Palanichamy; V. Muru
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Article
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2006
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Elsevier Science
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English
⚖ 250 KB
Al-MCM-41 (Si/Al = 20) molecular sieve was synthesized hydrothermally and phosphotungstic acid (PW) of 10, 20 and 40 wt% was supported on it. Their catalytic performance was examined in the vapour phase alkylation of phenol with tert-butyl alcohol (TBA) in the temperature range 190-275 °C. The major