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Influence of regulative materials on aerobic composting of biogas residues

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2 Author(s)
Yuan Qiaoxia ; Coll. of Eng., Huazhong Agric. Univ., Wuhan, China ; Lin Guiying

As to the high moisture capacity and the harmful substance after anaerobic fermentation in the regulative materials, we conducted the test about the modification of biogas residues' aerobic composting, taking rice straw, wheat straw, carbonized powder of straw and urea as regulative materials, and biogas residues will be added once or several times. The results showed that: rice straw helps to the degradation of organic substance; wheat straw is helpful to the regulation of water, degradation of cellulose and decrease of nitrogen loss; carbonized powder of straw is helpful to the degradation of lignin and phosphorus fixation. Compared with the biogas residues added once, multiple additions with small amount is more helpful to nutrient loss and the degradation of organic substance and cellulose.

Published in:

Materials for Renewable Energy & Environment (ICMREE), 2011 International Conference on  (Volume:2 )

Date of Conference:

20-22 May 2011