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2013•Journal of Tangshan Teachers CollegeRequires access

Preparation of Levulinic Acid from Peanut Shells Hydrolyzed by Solid Acid of SO_4~(2-)/TiO_2-Al_2O_3

Shuang Liu

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Abstract

Levulinic acid(LA) can be prepared from peanut shells with SO42-/TiO2-Al2O3solid acid as hydrolysis catalyst.The effects on the amount of solid acid,hydrolysis time,hydrolysis temperature and liquid-solid ratios on the LA yield had been discussed in this thesis.The experimental results showed that the optimal conditions as follow: solid acid was 3.5%,hydrolysis time was 150 min,hydrolysis temperature was 250 ℃,and liquid-solid ratio was 21:1(L/mg).Under this condition,the LA yield could reach to 12.35%.

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What this paper is about

Levulinic acid(LA) can be prepared from peanut shells with SO42-/TiO2-Al2O3solid acid as hydrolysis catalyst.The effects on the amount of solid acid,hydrolysis time,hydrolysis temperature and liquid-solid ratios on the LA yield had been discussed in this thesis.The experimental results showed that the optimal conditions as follow: solid acid was 3.5%,hydrolysis time was 150 min,hydrolysis temperature was 250 ℃,and liquid-solid ratio was 21:1(L/mg).Under this condition,the LA yield could reach to 12.35%.

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Available abstract

Levulinic acid(LA) can be prepared from peanut shells with SO42-/TiO2-Al2O3solid acid as hydrolysis catalyst.The effects on the amount of solid acid,hydrolysis time,hydrolysis temperature and liquid-solid ratios on the LA yield had been discussed in this thesis.The experimental results showed that the optimal conditions as follow: solid acid was 3.5%,hydrolysis time was 150 min,hydrolysis temperature was 250 ℃,and liquid-solid ratio was 21:1(L/mg).Under this condition,the LA yield could reach to 12.35%.

Key concepts: Levulinic acid, Hydrolysis, Yield (engineering), Chemistry, Catalysis, Acid hydrolysis, Solid acid, Nuclear chemistry

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