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Effects of bulking agents, load size or starter cultures in kitchen-waste composting

Abdullah, Norazlin and Chin, Nyuk Ling and Mokhtar, Mohd Noriznan and Taip, Farah Saleena (2013) Effects of bulking agents, load size or starter cultures in kitchen-waste composting. International Journal of Recycling of Organic Waste in Agriculture, 2. art. no. 3. pp. 1-10. ISSN 2195-3228; ESSN: 2251-7715

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Abstract

To prevent the interruption of the carbon cycle by the disposal of waste to landfills, organic kitchen waste requires proper treatment such as composting to reduce its uncontrolled degradation on disposal sites and subsequent greenhouse gases, odour emissions and nutrient losses. This study investigated the effects of bulking agent, newspaper and onion peels, composting waste load sizes of 2 and 6 kg, or the use of starter culture on kitchen-waste composting consisting of nitrogen-riched substrates, vegetable scraps and fish processing waste in an in-vessel system. The optimised formulation of kitchen waste mixture was used for a 30-day composting study, where the temperature profiles were recorded and the carbon-to-nitrogen ratios were measured as an indication of compost maturity. The kitchen-waste composting process was conducted in parallel in two fabricated kitchen waste composters.

Item Type: Article
DOI Number: 10.1186/2251-7715-2-3
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1186/2251-7715-2-3
Keywords: Newspaper; Onion peels; Kitchen waste; Composting; Starter culture
Divisions: Faculty of Engineering
Depositing User: Nabilah Mustapa
Date Deposited: 16 Mar 2015 13:15
Last Modified: 10 Sep 2015 11:36
URI: http://psasir.upm.edu.my/id/eprint/28760

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