Microorganism communities and chemical characteristics in sludge-bamboo charcoal composting system

Microorganism communities and chemical characteristics in sludge-bamboo charcoal composting system were investigated to find the effect of bamboo charcoal on composting. According to a plate count test, abundances of bacteria, fungi and actinomycetes in the treatment with bamboo charcoal were severa...

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Veröffentlicht in:Environmental technology. - 1998. - 32(2011), 5-6 vom: 01. Apr., Seite 663-72
1. Verfasser: Hua, Li (VerfasserIn)
Weitere Verfasser: Chen, Yingxu, Wu, Weixiang, Ma, Hongrui
Format: Aufsatz
Sprache:English
Veröffentlicht: 2011
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't DNA, Bacterial DNA, Fungal RNA, Ribosomal, 16S Sewage Soil Charcoal 16291-96-6
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520 |a Microorganism communities and chemical characteristics in sludge-bamboo charcoal composting system were investigated to find the effect of bamboo charcoal on composting. According to a plate count test, abundances of bacteria, fungi and actinomycetes in the treatment with bamboo charcoal were several times higher than those in treatment without bamboo charcoal. In addition, terminal restriction fragment length polymorphism (TRFLP) analysis indicated that the bacterial community diversity in treatment with bamboo charcoal was greater than that of the control. Both results demonstrated that amendment with bamboo charcoal can increase microorganism population and microorganism community diversity in a sludge composting system. Moreover, the results of FTIR spectroscopy disclosed that aerobic composting can promote the formation of surface acid groups on bamboo charcoal. These surface acid groups may deprotonate and react with NH4+ to form stable complexes. Therefore, the increase of functional groups accompanied with greater assimilation of nitrogen by microorganisms could reduce nitrogen loss in sludge composting 
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