玉米废弃油脂热裂解制备液体燃油的研究

doi:10.3969/j.issn.1673-5854.2014.04.003

生物质化学工程 ›› 2014, Vol. 48 ›› Issue (4): 13-17.doi: 10.3969/j.issn.1673-5854.2014.04.003

玉米废弃油脂热裂解制备液体燃油的研究

夏海虹¹, 蒋剑春¹, 徐俊明^1,2, 李静¹, 刘朋¹

1. 中国林业科学研究院林产化学工业研究所; 生物质化学利用国家工程实验室;国家林业局林产化学工程重点开放性实验室; 江苏省生物质能源与材料重点实验室, 江苏南京 210042;
2. 江苏强林生物能源有限公司, 江苏溧阳 213364

收稿日期:2014-01-24 出版日期:2014-07-30 发布日期:2014-07-29
通讯作者: 蒋剑春，男，研究员，博士，博士生导师，从事生物质能源转化和活性炭制备利用研究；E-mail：bio-energy@163.com。 E-mail:bio-energy@163.com
作者简介:夏海虹，女（1987-），湖北随州人，研究实习员，硕士，从事生物质材料研究；E-mail：xiahaihong87@126.com
基金资助:
江苏省自然科学基金（BK2011113）

Study on Liquid Fuels from Corn Waste Oil by Thermal Chemical Conversion

XIA Hai-hong¹, JIANG Jian-chun¹, XU Jun-ming^1,2, LI Jing¹, LIU Peng¹

1. Institute of Chemical Industry of Forest Products, CAF;National Engineering Lab. for Biomass Chemical Utilization; Key and Open Lab. of Forest Chemical Engineering, SFA; Key Lab. of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China;
2. Jiangsu Qianglin Biomass Energy Co., Liyang 213364, China

Received:2014-01-24 Online:2014-07-30 Published:2014-07-29

摘要/Abstract

摘要： 以玉米废弃油脂为原料，进行热裂解反应并对其产物进行分析，结果表明：液体燃油产率随着裂解温度的升高而升高，当裂解温度为520℃时收率可达81.3%；裂解后含水量和黏度显著降低，含水量由1.8%降至0.5%，运动黏度由88.16 mm²/s降至7.46 mm²/s，热值有所提高，由38.6 MJ/kg升至40.6 MJ/kg，产物酸值由原料的65 mg/g升高到 144 mg/g；通过气质和红外分析表明，裂解后的液体燃油主要含羧酸和烷烃，其中羧酸含量为74%，烃类含量为21%；气相色谱分析表明，裂解产生的气体主要为碳氢化合物、CO₂和CO，可燃气体的总含量为80.78%。同时，结合分析结果，讨论了该热化学转化过程的机理。

关键词: 玉米废弃油脂, 热裂解, 液体燃油

Abstract: Using corn waste oil as raw material, thermal cracking reaction was performed. The analysis of the reaction and its product showed that the yield of liquid fuel rised with the increase of pyrolysis temperature. The yield could reach 81.3% when the pyrolysis temperature was 520℃. Moisture content and viscosity decreased significantly after cracking. Moisture content decreased from 1.8% to 0.5%, and viscosity decreased from 88.16 mm²/s to 7.46 mm²/s. Meanwhile, calorific value increased from 38.6 MJ/kg to 40.6 MJ/kg. The acid value of product rised to 144 mg/g compared with 65 mg/g of the raw material. The analysis of GC-MS and IR indicated that the liquid fuel mainly contained carboxylic acid and paraffin. The carboxylic acid content was 74%, and the hydrocarbon content was 21%. GC analysis showed that the gas produced in the thermal cracking mainly contained hydrocarbons, CO₂ and CO. The total content of combustible gas was 80.78%. In addition, the mechanism of thermal chemical conversion process was analyzed.

Key words: corn waste oil, thermal cracking, liquid fuels

中图分类号:

TQ35

夏海虹, 蒋剑春, 徐俊明, 李静, 刘朋. 玉米废弃油脂热裂解制备液体燃油的研究[J]. 生物质化学工程, 2014, 48(4): 13-17.

XIA Hai-hong, JIANG Jian-chun, XU Jun-ming, LI Jing, LIU Peng. Study on Liquid Fuels from Corn Waste Oil by Thermal Chemical Conversion[J]. bce, 2014, 48(4): 13-17.

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玉米废弃油脂热裂解制备液体燃油的研究

Study on Liquid Fuels from Corn Waste Oil by Thermal Chemical Conversion

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