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Study on the quality and stability of compost through a Demo Compost Plant
K M M Hasan1, G Sarkar, M Alamgir
1WasteSafe, KUET, Department of Civil Engineering, Khulna University of Engineering & Technology, Khulna 920300, Bangladesh. mehedi_ce02@yahoo.com
Waste Management (New York, N.Y.)
|July 6, 2012
Summary
The horizontal passively aerated composting technique is ideal for Bangladesh, significantly reducing composting time for municipal solid waste. This method ensures safe, usable compost, aiding waste management and landfill reduction.
Area of Science:
- Environmental Engineering
- Waste Management Technologies
- Sustainable Agriculture
Background:
- Bangladesh faces challenges with increasing Municipal Solid Waste (MSW).
- Developing efficient and acceptable composting technology is crucial for waste management.
- Existing composting methods require optimization for local conditions.
Purpose of the Study:
- To evaluate the performance of a Demo Compost Plant in Bangladesh.
- To identify suitable composting technologies for local MSW.
- To reduce composting duration and improve waste management.
Main Methods:
- Four composting technologies were tested using MSW.
- Two experimental setups were employed, comparing different aerator types (horizontal, vertical, forced).
- Compost quality and maturation were assessed through various parameters and self-heating tests.
Main Results:
- Horizontal passively aerated composting demonstrated superior performance in reducing composting period.
- MSW degradation was effective, yielding compost safe for use as a soil conditioner.
- While final product quality showed no significant improvement in the second setup, composting time was reduced, aiding immediate waste management and lessening landfill burden.
Conclusions:
- Horizontal passively aerated composting is a suitable technology for Bangladesh.
- The study successfully reduced composting time and provided a viable waste management solution.
- Compost stability remained at acceptable levels, accelerated by organic additives.
