Use of ZSM-5 catalyst in deoxygenation of waste cooking oil

被引:6
|
作者
Lovas, Peter [1 ]
Hudec, Pavol [1 ]
Hadvinova, Marcela [1 ]
Haz, Ales [2 ]
机构
[1] Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Petr Technol & Petrochem, Bratislava 81237, Slovakia
[2] Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Dept Wood Pulp & Paper, Bratislava 81237, Slovakia
关键词
catalytic cracking; waste cooking oil; FCC-ZSM-5; deoxygenation; gasoline; VACUUM GAS OIL; VEGETABLE-OILS; BIOETHANOL PRODUCTION; BIODIESEL PRODUCTION; LIQUID-FUEL; CRACKING; CONVERSION; HYDROCARBONS; PERFORMANCE; PYROLYSIS;
D O I
10.1515/chempap-2015-0159
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
This study investigated the potential use of waste cooking oil (WCO) in the production of engine fuels and valuable chemicals via catalytic cracking. WCO was processed in its pure form and in a mixture with hydrotreated vacuum gas oil (HVGO). Catalytic cracking experiments were performed using a microactivity test (MAT) (simulation of the fluid catalytic cracking environment). In cracking over the standard fluid catalytic cracking equilibrium catalyst (FCC-ECAT), the oxygen contained in the feed was consumed in the formation of CO and CO2, water and into oxygenated organic compounds (phenolics, esters, carboxylic acids, etc.), which were found in the organic phase of the liquid product. In order to remove the unwanted organic oxygenates, the catalytic system based on pure FCC-ECAT was modified by addition of the ZSM-5-based FCC catalyst. By using the mixture containing FCC-ECAT and 10 mass % of FCC-ZSM-5, it was possible to reduce the amount of organic oxygenates to almost the feasible minimum when cracking pure WCO. The effect of the catalyst mixture on cracking the feed mixture of the vacuum gas oil with 10 vol. % of WCO was manifested in the practically zero formation of organic oxygenates and in a gasoline yield comparable with vacuum gas oil (VGO) cracking. (C) 2015 Institute of Chemistry, Slovak Academy of Sciences
引用
收藏
页码:1454 / 1464
页数:11
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