Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7606895 | Journal of Analytical and Applied Pyrolysis | 2014 | 7 Pages |
Abstract
In this work, goat manure (GM) was evaluated as a potential feedstock for preparing biochar. Its thermochemical characteristics were first investigated by the proximate analysis, calorific value, organic and mineral component analysis, showing that the biomass obviously comprises a large percentage of volatile matter and less amount of fixed carbon. A series of pyrolysis experiments were conducted to produce biochars (i.e., GMBC) from dry GM at different pyrolysis temperatures (673, 773, 873, 973, and 1073Â K) held for 30Â min. To evaluate their potential for soil amendment and energy use, the resulting biochars were subject to the analyses of chemical and physical properties, including proximate analysis, elemental analysis, calorific value, mineral components, true density, and surface area/pore volume. Based on the thermochemical properties, pyrolysis temperature at around 873Â K seemed to be suitable for the production of GMBC, where its calorific value (CV) (i.e., 16.28Â MJ/kg) only increased about 25% as compared to CV of the dry GM (i.e., 13.06Â MJ/kg). However, the temperature of around 1073Â K was found to be the pyrolysis conditions for producing porous carbon-like material with the maximal BET surface area (over 93Â m2Â gâ1) and porosity (about 0.115).
Related Topics
Physical Sciences and Engineering
Chemistry
Analytical Chemistry
Authors
Njagga Touray, Wen-Tien Tsai, Huei-Ru Chen, Sii-Chew Liu,