Influence of reaction parameters on brown coal-polyolefinic plastic co-pyrolysis behavior

被引:71
作者
Sharypov, V. I.
Beregovtsova, N. G.
Kuznetsov, B. N.
Cebolla, V. L.
Collura, S.
Finqueneisel, G.
Zimny, T.
Weber, J. V.
机构
[1] SB RAS, Inst Chem & Chem Technol, Krasnoyarsk 660049, Russia
[2] Univ Metz, Lab Chim & Applicat, F-57500 St Avold, France
[3] CSIC, Inst Carboquim, E-50015 Zaragoza, Spain
关键词
brown coal; polyethylene; polypropylene; iron ore catalysts; co-pyrolysis; liquid product; hydrogenation; SYNTHETIC-POLYMERS MIXTURES; WASTE PLASTICS; WOOD BIOMASS; COLIQUEFACTION; LIQUEFACTION;
D O I
10.1016/j.jaap.2006.08.004
中图分类号
O65 [分析化学];
学科分类号
070302 [分析化学];
摘要
Co-processing of polyolefinic polymers with Kansk-Achinsk (Russia) brown coal was investigated by thennogravimetry (TG) and autoclave pyrolysis under argon and hydrogen pressure in catalytic conditions (or not). Gas chromatography-mass spectrometry (GC-MS) and high performance thin layer chromatography (HPTLC) were used to analyze the distillate products. Some synergistic effects indicate chemical interaction between the products of thermal decomposition of coal and plastic. In co-pyrolysis under H, a significant increasing of coal conversion degree as a function of polymer amount in feedstock was found. Simultaneously the coal promoted formation of distillate products from polymers. Some alkyl aromatic and O-containing substances were detected in co-pyrolysis fraction boiling in the range 180-350 degrees C, indicating interactions between coal and plastic. Iron containing ore materials, modified by mechanochemical treatment, demonstrated a catalytic activity in hydropyrolysis process. In catalytic conditions, increases of the mixtures conversion degree by 9-13 wt.%, of distillate fraction yields by 1.2-1.6 times and a decrease of olefins and polycyclic components were observed. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:257 / 264
页数:8
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