Preparing Fatty Acid by Hydrolysing Waste Oil from Restaurants under Normal Pressure

Abstract:

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[Objective] The research aimed to take the waste oil from restaurants as raw material for hydrolysis preparation of fatty acid atmospheric pressure.[Method] Fatty acid was produced by hydrolysis of waste oil from restaurants under normal pressure at the temperature of(95±5)°C.Effects of ratio of oil to water, amount of catalyst, emulsification and time on hydrolysis reaction were studied.[Results] The optimal parameter was as follows:amount of emulsification 3%.amount of catalyst 15%, weight ratio of oil to water l:3,hydrolysis time at 15 h.Under the conditions.the acid value of hydrolyzed Waste Oil from Restaurants reached 173.3 mg/g.[Conclusions] The fatty acids which were commonly used in industry could be produced under normal pressure by hydrolyzing the rapeseed oil.And the conversion rate could reach 92.8%.In this paper, the results are same as that of similar reports. So used waste oil from restaurants as raw material and SDBS as emulsifier to prepare fatty acid under normal pressure is a feasible method.

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Periodical:

Edited by:

Helen Zhang and David Jin

Pages:

296-301

DOI:

10.4028/www.scientific.net/AMR.322.296

Citation:

C. M. Wang et al., "Preparing Fatty Acid by Hydrolysing Waste Oil from Restaurants under Normal Pressure", Advanced Materials Research, Vol. 322, pp. 296-301, 2011

Online since:

August 2011

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Price:

$35.00

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