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Published on: July 9, 2019
Rapid-in-house composting of organic solid wastes with fly ash supplementation: Performance evaluation at
Ashootosh Mandpe1, Lakshay Tyagi1, Sonam Paliya1
1Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 2010 02, India; CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur 4400 20, India.
Abstract:
The present work was envisaged to design, fabricate, and evaluate the performance of rapid in-house composters (RICs) for composting of organic wastes comprising kitchen waste and brown waste with fly ash supplementation in the fixed combination. The prime objective of the present study was to evaluate the ideal operating temperature suitable for rapid action of pro-composting microorganisms in indigenously developed RIC. Four identical RICs were exposed to temperatures of 40 ℃, 45 ℃, 55 ℃, and 65 ℃, respectively. The factors governing the composting process were regulated through specifically designed components. Qualitative parameters like pH, moisture content (MC), C/N ratio and heavy metals were analyzed at regular intervals. Principal component analysis was used to evaluate the relationship between the obtained results. The RIC with 55 ℃ temperature exposure, 70% MC for nine days and aeration at 4 L per minute exhibited the best results with 15.13C/N ratios of compost.
