Effects of earthworm casts and zeolite on the two-stage composting of green waste

Waste Management
Lu Zhang, Xiangyang Sun

Abstract

Because it helps protect the environment and encourages economic development, composting has become a viable method for organic waste disposal. The objective of this study was to investigate the effects of earthworm casts (EWCs) (at 0.0%, 0.30%, and 0.60%) and zeolite (clinoptilolite, CL) (at 0%, 15%, and 25%) on the two-stage composting of green waste. The combination of EWCs and CL improved the conditions of the composting process and the quality of the compost products in terms of the thermophilic phase, humification, nitrification, microbial numbers and enzyme activities, the degradation of cellulose and hemicellulose, and physico-chemical characteristics and nutrient contents of final composts. The compost matured in only 21days with the optimized two-stage composting method rather than in the 90-270days required for traditional composting. The optimal two-stage composting and the best quality compost were obtained with 0.30% EWCs and 25% CL.

References

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Citations

Jul 5, 2016·Bioresource Technology·Lu Zhang, Xiangyang Sun
May 17, 2019·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Paulo R Dores-SilvaMaria O O Rezende
Oct 24, 2019·Water Environment Research : a Research Publication of the Water Environment Federation·Olawale OladejiEdward Podczerwinski
Feb 9, 2017·Applied Biochemistry and Biotechnology·Muinat Olanike KazeemNor' Aini AbdulRahman
Feb 20, 2020·Environmental Science and Pollution Research International·Angélica Hernández-GómezEdgar Ricardo Oviedo-Ocaña
Jun 4, 2018·Environmental Science and Pollution Research International·Mansur ZarrabiHossein Najafi Saleh
Mar 25, 2021·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Eduardo Souza Costa BarrosPaula Tereza de Souza E Silva

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