Title: Effect of different fillers on aerobic composting of dewatered sludge
Abstract: The method of aerobic windrow composting was used in this experiment. It was studied that effects of straw and rice husk as bulking agents and conditioner, zeolite and fly ash as adjusting agent on sewage sludge composting, in order to provide the basis for reasonable land utilization of sludge. The test results showed that: the straw treatment groups all reached the standard of harmless and decomposed, but rice husk treatment groups did not reach the standard; fly ash treatments and zeolite treatments were no differences. Under the condition of straw as bulking agents and conditioner,fly ash or zeolite as adjusting agent, sludge was composted. Fertilizer index after composting had reached the national standard for organic fertilizer. There were more development prospects with waste straw and fly ash as the sludge compost filler.
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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