Nanofiber‐Membrane‐Supported TiO2 as a Catalyst for Oxidation of Benzene to Phenol | Zendy

Chanbasha Basheer | Zendy

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Nanofiber‐Membrane‐Supported TiO₂ as a Catalyst for Oxidation of Benzene to Phenol

Author(s) -

Chanbasha Basheer

Publication year - 2012

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.436

H-Index - 50

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2013/562305

Subject(s) - microreactor , chemistry , catalysis , hydrogen peroxide , phenol , benzene , yield (engineering) , radical , membrane , chemical engineering , inorganic chemistry , organic chemistry , biochemistry , engineering , materials science , metallurgy

We applied a simple, low-cost design of glass capillary microreactor for the catalytic oxidation of benzene to phenol at ambient conditions. Polyvinylchloride-nanofiber-membrane-supported titania nanoparticle (TiO2-PVC) as catalyst and in situ production of hydroxyl radicals as oxidant. The reaction was monitored by gas chromatography-mass spectrometry (GC-MS). The reaction conditions were optimized and the performance of the microreactor was then compared with the conventional laboratory scale reaction which used hydrogen peroxide as oxidant. The microreactor gave a better yield of 14% for phenol compared to 0.14% in the conventional laboratory scale reaction. Reaction conditions such as reaction time, reaction pH, and applied potential were optimized. With optimized reaction conditions selectivity of >37% and >88% conversion of benzene were obtained

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