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Thermal dissolutions (TDs) of a Chinese Shengli lignite (SL) in various solvents at different temperatures were carried out, and the characterization and hydro-liquefaction behavior of thermal dissolution soluble fractions (TDSFs) were probed in this study. The results suggest that thermal dissolution soluble yield (TDSY) in 1-methylnaphthalene (1-MN) dramatically increased at 380°C due to the obvious...
Hydrothermal liquefaction (HTL) of four brown macro-algae was used to produce bio-crude and bio-char in an energy favorable way. Bio-crude yields between 9.8wt% and 17.8wt% (daf) with HHVs between 32 and 34MJ/kg and bio-char yields between 10.9wt% and 18.6wt% (db) with HHVs between 15.7 and 26.2MJ/kg were produced. A modification of the energy consumption ratio (ECR) index was attempted in order to...
Due to the increasing thrust on third generation biofuels, algal research has gained a lot of importance in the recent years. Effective utilization of algal biomass in a single step is necessary as it can produce fungible hydrocarbons in addition to a variety of valuable products.Hydrothermal liquefaction does not require the energy intensive drying steps and is an attractive approach for the conversion...
Dried distiller’s grains with solubles (DDGS) is a byproduct of corn ethanol production in distillery industries. Presently the main use of DDGS is as livestock feed due to its high protein content. The demands for production of transportation fuel ethanol are increasing due to the increased Renewable Fuels Standard 2 (RFS2) mandate for higher ethanol production. Simultaneously DDGS supply as a co-product...
attaching to the substitution site was more thermodynamically stable. This indicates that the hydrogenation initiation reaction was mainly controlled by kinetics. The hydrogenated products observed in the ReaxFF MD simulation were analyzed. It was found that the ReaxFF MD simulation results were consistent with the experimental results for hydrogenation in a sulfur-free system. Therefore, the ReaxFF...
The thermal properties of hydrogen-rich bark coal were investigated by thermogravimetric analysis, Gieseler fluidity analysis, and polarized light microscopy with a heated stage. The liquefaction behavior was studied separately using an autoclave and a stainless-steel microautoclave reactor. The results showed that the thermal behaviors of hydrogen-rich bark coal are anomalous compared to humic coals,...
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