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2009•Journal of Qingdao University of Science and TechnologyRequires access

Recycling of Benzoic Acid Residua

Xiaoying Guo

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Abstract

Benzyl benzoate was synthesized using benzoic acid paste residua and benzyl chloride as raw material at the presence of TEA(phase transferring catalyst).The effects of catalyst amount,mole ratio of sodium benzoate and benzyl chloride,reaction time on the esterification rate were studied.The yield was up to 94.5% under the condition of 140 ℃,n(sodium benzoate)∶n(benzyl chloride)= 1∶1.05,catalyst amount of 3.5% and reaction time of 3 h.

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Benzyl benzoate was synthesized using benzoic acid paste residua and benzyl chloride as raw material at the presence of TEA(phase transferring catalyst).The effects of catalyst amount,mole ratio of sodium benzoate and benzyl chloride,reaction time on the esterification rate were studied.The yield was up to 94.5% under the condition of 140 ℃,n(sodium benzoate)∶n(benzyl chloride)= 1∶1.05,catalyst amount of 3.5% and reaction time of 3 h.

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Available abstract

Benzyl benzoate was synthesized using benzoic acid paste residua and benzyl chloride as raw material at the presence of TEA(phase transferring catalyst).The effects of catalyst amount,mole ratio of sodium benzoate and benzyl chloride,reaction time on the esterification rate were studied.The yield was up to 94.5% under the condition of 140 ℃,n(sodium benzoate)∶n(benzyl chloride)= 1∶1.05,catalyst amount of 3.5% and reaction time of 3 h.

Key concepts: Benzoic acid, Sodium benzoate, Benzyl benzoate, Catalysis, Yield (engineering), Raw material, Chemistry, Sodium

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