Abstract
We have been working on pyrolysis of some organic raw materials including different rank coals, oil shale, wood waste, animal bone, cedar shell, polypropylene waste, milk casein and characterization of obtained hard residue, tar and pyrolytic water and gas after pyrolysis. The technical characteristics of these organic raw materials have been determined and the thermal stability characteristics such as thermal stability indices (T5% and T25%) determined by using thermogravimetric analysis. The pyrolysis experiments were performed at different heating temperatures and the yields of hard residue, tar, pyrolysis water and gaseous products were determined and discussed. The main technical characteristics of hard residue of organic raw materials after pyrolysis have been determined and the adsorption ability of pyrolysis hard residue and its activated carbon of organic raw materials also determined. The pyrolysis tars of organic raw materials were distilled in air condition and determined the yields of obtained light, middle and heavy fractions and bitumen like residue with different boiling temperature. This is the first time to investigate the curing ability of pyrolysis tars of organic raw materials for epoxy resin and the results of these experiments showed that only tar of milk casein has the highest (95.0%), tar of animal bone has certain (18.70%) and tars of all other organic raw materials have no curing ability for epoxy resin.
Highlights
Mongolia is a rich country with different kind natural organic raw materials including oil, coals, oil shale, wood and bioorganic materials of animal origin such as casein, animal bone and so on [1,2,3]
First of all the thermal stability of initial organic raw materials was studied by thermogravimetric analysis and determined the thermal stability indices from the TG curve of each organic raw material
All natural bioorganic raw materials including wood waste, cedar shell bone, animal bone and casein characterize with much lower thermal stability indices than that of coal and oil shale
Summary
Mongolia is a rich country with different kind natural organic raw materials including oil, coals, oil shale, wood and bioorganic materials of animal origin such as casein, animal bone and so on [1,2,3]. Oil shale [11,12,13], wood waste [14,15,16], animal bone [17, 18], cedar shell [19], polypropylene waste [20], milk casein [21,22,23] and characterization of obtained hard residue, tar and gas product after pyrolysis.
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