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MCM-41 Supported Phosphotungstic Acid for the Hydroxyalkylation of Phenol to Phenolphthalein

✍ Scribed by Jha, Ajay; Garade, Ajit C.; Mirajkar, Subhash P.; Rode, Chandrashekhar V.


Book ID
119963290
Publisher
American Chemical Society
Year
2012
Tongue
English
Weight
449 KB
Volume
51
Category
Article
ISSN
0888-5885

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The influence of phosphotungstic acid ac
✍ K. Usha Nandhini; J. Herbert Mabel; Banumathi Arabindoo; M. Palanichamy; V. Muru 📂 Article 📅 2006 🏛 Elsevier Science 🌐 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