The Change of Environmental in Sewage Sludge Compost

Ang Li; Li Na Sun

doi:10.4028/www.scientific.net/AMM.733.334

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 733The Change of Environmental in Sewage Sludge...

The Change of Environmental in Sewage Sludge Compost

Abstract:

By aerobic composting bin type of sewage treatment plant sludge composting, through periodic sampling, research composting process temperature, moisture content, PH value changes and study the changes in compost maturity parameters of the DH. The results show that the compost temperature increased rapidly in the early rise in the first two days when fast to 50 degrees Celsius, in the tenth day decreased to room temperature; moisture content than the original sludge reduced by 40 percent to compost indicators; PH by reaction initial 6.2, and gradually becomes neutral and alkaline 7.8 biased. Experiments show that after aerobic sludge composting in temperature, moisture content, PH value terms have been reached sludge disposal requirements.

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Periodical:

Applied Mechanics and Materials (Volume 733)

Pages:

334-337

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.733.334

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Online since:

February 2015

Authors:

Ang Li, Li Na Sun*

Keywords:

Moisture Content, pH, Sludge Compost, Temperature

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* - Corresponding Author

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