Low temperature catalytic gasification of pig compost to produce H₂ rich gas

• Published in: Bioresource technology Vol. 102; no. 2; pp. 2033 - 2039
• Main Authors: Zhang, Shou-Yu, Wang, Xiu-Jun, Cao, Jing-Pei, Takarada, Takayuki
• Format: Journal Article
• Language: English
• Published: Kidlington [New York, NY]: Elsevier Ltd 2011; Elsevier
• Subjects: Agronomy. Soil science and plant productions; Animal productions; Animals; Biological and medical sciences; Bioreactors; Biotechnology - methods; Carbon - analysis; Catalysis; Cold Temperature; Fundamental and applied biological sciences. Psychology; General agronomy. Plant production; Hydrogen - analysis; Manure - analysis; Other nutrients. Amendments. Solid and liquid wastes. Sludges and slurries; Soil - chemistry; Soil-plant relationships. Soil fertility. Fertilization. Amendments; Sus scrofa; Volatilization; Compost; Pyrolysis; Farming animal; Pig compost; Hydrogen; Pig; Catalytic gasification; Vertebrata; Mammalia; Gasification; Artiodactyla; Catalysis; Ungulata; Low temperature
• ISSN: 0960-8524; 1873-2976
• DOI: 10.1016/j.biortech.2010.09.070

The low temperature catalytic gasification of pig compost before and after acid washing was carried out to produce H₂ rich gas using a two-stage fixed-bed reactor. Little effect of the minerals on the manure pyrolysis is determined. Under the presence of Ni/Al₂O₃ catalyst nearly all the tarry matters were cracked into H₂, CO, CO₂ and residual carbon. High H₂ and CO yields were obtained by low temperature catalytic steam gasification. Acid washing results in the decrease in the content of the ease-hydrolyzed organic components, which volatilize at low temperature. The change in the gas yields from the manure during catalytic decomposition is in accordance with its pyrolysis behavior.