Highly effective microwave plasma application for catalyst-free and low temperature hydrogenation of biodiesel

被引：10
作者：
Wongjaikham, Wijittra [1 ]
Kongprawes, Grittima [1 ]
Wongsawaeng, Doonyapong [1 ]
Ngaosuwan, Kanokwan [2 ]
Kiatkittipong, Worapon [3 ]
Hosemann, Peter [4 ]
Assabumrungrat, Suttichai [5 ,6 ]
机构：
[1] Chulalongkorn Univ, Fac Engn, Dept Nucl Engn, Res Unit Plasma Technol High Performance Mat Dev, Bangkok 10330, Thailand
[2] Rajamangala Univ Technol Krungthep, Fac Engn, Div Chem Engn, Bangkok 10120, Thailand
[3] Silpakorn Univ, Fac Engn & Ind Technol, Dept Chem Engn, Nakhon Pathom 73000, Thailand
[4] Univ Calif Berkeley, Fac Engn, Dept Nucl Engn, Berkeley, CA 94720 USA
[5] Chulalongkorn Univ, Fac Engn, Ctr Excellence Catalysis & Catalyt React Engn, Dept Chem Engn, Bangkok 10330, Thailand
[6] Chulalongkorn Univ, Fac Engn, Biocircular Greenecon Technol & Engn Ctr, BCGeTEC,Dept Chem Engn, Bangkok 10330, Thailand
来源：
FUEL | 2021年 / 305卷
关键词：
Partially hydrogenated fatty acid methyl ester; Partial hydrogenation; Biodiesel; Microwave plasma; Palm oil; COLD FLOW PROPERTIES; SOYBEAN OIL; PALM OIL; OXIDATIVE STABILITY; METHYL-ESTERS; VEGETABLE-OIL; ANTIOXIDANTS; FUEL; JATROPHA; CRACKING;
D O I：
10.1016/j.fuel.2021.121524
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Partially hydrogenated biodiesel or partially hydrogenated fatty acid methyl ester (H-FAME) derived from palm oil has been successfully synthesized using a microwave plasma system equipped with negative high voltage at low temperature without the use of a catalyst. The impact of the process parameters such as hydrogen gas feed flow rate, microwave power, reaction temperature, negative high voltage and reaction time on FAME composition and product properties were studied. It was found that the optimal condition for the highest conversion of polyunsaturated FAMEs was 8.5 L/min hydrogen flow rate, 500 W microwave power, 30 degrees C reaction temperature, 60 kV negative high voltage and 3 h of reaction time. The oxidation stability increased from 12.5 to 21.6 h and no trans C18:1 formation was detected. Further we found that the microwave plasma system equipped with negative high voltage can also be applied to effectively hydrogenate other chemicals at low temperatures without using a catalyst.
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页数：13
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