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  • 标题:Revaluation of maturity and stability indices for compost
  • 本地全文:下载
  • 作者:Sarwoko Mangkoedihardjo ; Process Engineering, Department of Environmental Engineering, Institut Teknologi Sepuluh Nopember
  • 期刊名称:Journal of Applied Sciences and Environmental Management
  • 印刷版ISSN:1119-8362
  • 出版年度:2006
  • 卷号:10
  • 期号:3
  • 页码:83-85
  • DOI:10.4314/jasem.v10i3.17324
  • 语种:English
  • 出版社:Department of Pure & Industrial Chemistry, University of Port Harcourt
  • 摘要:BOD/COD ratio of compost was studied in conjunction with C/N ratio as commonly maturity index. Carbonaceous materials as well as nitrogenous materials declined in open-air conditions during 20 weeks. C/N ratio was correlated with BOD/COD, a couple parameters to qualify the compost was mature and stable. This study came up to the conclusion that compost maturity with C/N of less than 14 instead of less than 20 was corresponding to stability with BOD/COD of less than 0.1. Additional assurance on maturity and stability was carbon dioxide emission rate of less than 2 mg C/g VS/day. Journal of Applied Sciences and Environmental Management Vol. 10 (3) 2006: 83-85
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