Production of bio-oil from de-oiled cakes by thermal pyrolysis

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• 作者：Vikranth Volli ; ^{vikranthvolli@gmail.com} ; R.K. Singh ^{rksingh@nitrkl.ac.in}
• 关键词：De-oiled cakes ; Pyrolysis ; Bio-oil ; GC&ndash ; MS ; SEM&ndash ; EDX
• 刊名：Fuel
• 出版年：2012
• 期刊代码：33_00162361
• 类别：ce
• 出版时间：June, 2012
• 卷：96
• 期：Complete
• 页码：579-585
• 文件大小：732 K

摘要

In the present study, pyrolysis of sesame (Sesamum indicum), mustard (Brassica napus) and neem (Azadirachta indica) de-oiled cakes were performed in a semi-batch reactor to determine the characteristics and yields of liquid and solid products. Pyrolysis experiments were carried out at the temperatures between 350 掳C and 700 掳C and at a heating rate of 25 掳C min^鈭?. The maximum liquid product yield of 58.5%, 53.2%and 40.2%(by weight) was obtained and has the calorific values 25.5, 25.1 and 30 MJ/kg for sesame, mustard and neem de-oiled cake respectively. The thermal degradation of sesame, mustard and neem de-oiled cake was studied in inert atmosphere by TGA. The chemical composition of the bio-oil and bio-char was investigated using ¹H NMR, FTIR, GC/MS and SEM-EDX. The chemical characterization showed that the bio-oil obtained from sesame, mustard and neem de-oiled cake can be potentially valued as a fuel and chemical feedstock.