Co-composting of organic solid waste and sewage sludge – a waste management option for University Campus
作者: Bernard Fei-BaffoeKenneth OseiEric Appiah AgyapongEugene Atta Nyankson
作者单位: 1Department of Environmental Science, Kwame Nkrumah University of Science and Technology, Kumasi
刊名: International Journal of Environment, 2016, Vol.5 (1), pp.14-31
来源数据库: Progressive Sustainable Developers
DOI: 10.3126/ije.v5i1.14562
关键词: Co-compostingOrganic solid wasteSewage sludgeCompost qualityWaste Management option
原始语种摘要: Co-composting organic solid waste with dewatered sewage sludge was carried out to determine its suitability for managing waste on a University campus. Windrow composting method was employed in which dewatered sewage sludge and organic solid waste were mixed at volume ratios: 1:1, 1:2, 1:3, 0:1 and 1:0 sludge/organic solid waste. Parameters such as pH, percentage N, C, P, K, Ca, Mg, organic matter, ash content and C/N ratio were determined weekly. Total and faecal coliform population were measured biweekly with Pb and Cd levels determined at the beginning and end of the composting. With the exception of ratio 1:0 sludge/organic solid waste, all other ratios attained a favourable Carbon to Nitrogen (C/N) ratio both at the start and end of the composting process. Levels of major nutrients...
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  • sludge 泥渣
  • waste 岩屑
  • sewage 阴沟水
  • composting 制堆肥
  • ratio 
  • solid 固体
  • organic 有机的
  • dewatered 脱水的
  • suitable 合适的
  • coliform 大肠菌