Elimination of Pythium aphanidermatum in water clarifier sludge by heat generated during composting of the sludge.
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study of cohesive devices in the textbook of english for the students of apsychology by rastegarpour
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Aims of the Study: The aim of this study was to determine the amount of lignin degradation and biodegradation of organic matter and change of biomass under compost and vermicomposting of sewage sludge. Materials & Methods: Sawdust was added to sewage sludge at 1:3 weight bases to Carbon to Nitrogen ratio of 25:1 for composting or vermicomposting. Lignin and volatile solids were deter...
متن کاملEffect of seeding during thermophilic composting of sewage sludge.
The effect of seeding on the thermophilic composting of sewage sludge was examined by measuring the changes in CO2 evolution rates and microbial numbers. Although the succession of thermophilic bacteria and thermophilic actinomycetes clearly reflected the effect of seeding, no clear difference was observed in the overall rate of composting or quality of the composted product.
متن کاملComposting Helps Denver Manage Sludge
isposal of wastewater sludge has D long been a problem in wastewater treatment. In the past decade, however, conventional sludge disposal methods, such as incineration, Ocean dumping and landfilling, have come under increasingly tighi regulatory control. These regulatory cmtrols, coupled with increased energy costs and environmental concerns, have sparked renewed interest in wastewater sludge c...
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ژورنال
عنوان ژورنال: Japanese Journal of Phytopathology
سال: 2000
ISSN: 1882-0484,0031-9473
DOI: 10.3186/jjphytopath.66.205