2003•Hebei Chemical Engineering and IndustryRequires access

Synthesis of Acetic ether Catalysed by TiO_2/SO_4~(2-)HZSM-5

Ai‐Jun Wang

Abstract

Acetic ether is synthesized by liquid-solid phase esterification at common pressure with TiO2/SO42- - HZSM-5 zeolite molecular sieve as catalyst. The effects of the amount of the catalyst used, the ratio of alcohol to acid, the temperature and time on ester yield are considered. It is shown that the ester yield will be 84% when the amount of HZSM-5 is 2 g, the molar ratio of alconol to acetic acid is 1∶2.5, the reaction time is 100-110 ℃ and time is 3 h.

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Key concepts: Yield (engineering), Acetic acid, Catalysis, Molecular sieve, Chemistry, Molar ratio, Zeolite, Ether