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Properties of bio-oil from alga fast pyrolysis were studied based on the molecular distillation. The composition of bio-oil and fractions was analyzed by GC-MS, and the thermal behavior of evaporation and decomposition was investigated using TG-FTIR. Fast pyrolysis of alga obtained a bio-oil yield of 20.54 % and a char yield of 31.12 % due to its low cellulose and hemicellulose content, and high lignin...
Biomass energy is a renewable and potential resource. In order to research the conversion of cornstalk biomass (the agricultural residues) into the fuel methanol and the effective utilization of biomass energy, the low-heat-value cornstalk gas was produced by means of the thermo-chemical method in the down-flow fixed bed gasifier. The cornstalk gas was purified and the technical procedures such as...
Different kinds of biomass chars of the wheat straws, rice straw, cotton straw collected at Nanjing, China, were pyrolysed in a fixed bed reactor at different temperatures and heating rates. The specific area and pore structure, micromorphology of different biomass chars were measured by a nitrogen adsorption-desorption analysis instrument and scanning electron microscopy (SEM), respectively. The...
The pyrolytic decomposition study of four species of lignocellulosic biomass (pine, poplar, bass and birch) from the Northeast China was carried out by thermogravimetric analysis (TGA) under the temperature range from 30 to 800??C in the N2 atmosphere at four heating rates (??) of 10,20,40 and 60??C/min. The non-isothermal weight loss process of the above biomass samples was mainly composed of dehydration,...
Up to now the direct use of crude bio-oil as transportation fuel has been an impossible goal due to the thermal instability and some other drawbacks of bio-oil. In this paper, we use a simple method to accomplish the goal. Bio-oil and bio-diesel are potential renewable and carbon-neutral alternative to fossil fuel. We mix bio-oil and bio-diesel to get the emulsion using octanol as the emulsifier....
The experiment on smoldering gasification in woody biomass has been carried out with a horizontal packed bed. Gas chromatography is employed to analyze the concentration of CH4, H2, CO, CO2 and O2 in gas products of smoldering gasification. The affects of temperature, moisture concentration and air condition on the flammable compositions of gas products are discussed. It is concluded that gas products...
The objective of this study is to provide an innovation in pyrolysis technology to the recovery of liquid hydrocarbons from biomass solid wastes. A fixed-bed fire-tube heating pyrolysis reactor system has been designed and fabricated considering all of the process parameters and present engineers challenge. The available agricultural waste-jute stick in Bangladesh has been pyrolyzed in the internally...
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