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Characterization of separated pig manure composted with a variety of bulking agents at low initial C/N ratios

Troy, Shane M. ; Healy, Mark G. ; Kwapinski, Witold

Nolan, T., Troy, S.M., Healy, M.G., Kwapinski, W., Leahy, J.J., Lawlor, P.G. (2011) 'Characterization of separated pig manure composted with a variety of bulking agents at low initial C/N ratios'. Bioresource Technology, 102 :7131-7138. [Tạp chí có phản biện]

ISSN: 0960-8524 ; DOI: 10.1016/j.biortech.2011.04.066

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  • Nhan đề:
    Characterization of separated pig manure composted with a variety of bulking agents at low initial C/N ratios
  • Tác giả: Troy, Shane M. ; Healy, Mark G. ; Kwapinski, Witold
  • Chủ đề: Germination ; Oxygen Uptake Rate ; Oxitop System ; Swine ; Decanter Centrifuge ; Different Litter Amendments ; Organic Household Waste ; Sawdust Litter ; Straw ; Turnover ; Phytotoxicity ; Maturity ; Storage ; Losses ; Carbon
  • Là 1 phần của: Nolan, T., Troy, S.M., Healy, M.G., Kwapinski, W., Leahy, J.J., Lawlor, P.G. (2011) 'Characterization of separated pig manure composted with a variety of bulking agents at low initial C/N ratios'. Bioresource Technology, 102 :7131-7138.
  • Mô tả: The aim of this study was to investigate the composting of separated pig manure solids with or without a variety of bulking agents at a low initial C/N ratio (12.5-23.3). Compost stability was investigated using an oxygen uptake rate (OUR) test and compost maturity was investigated using a germination index test. All treatments showed typical patterns of compost temperature. Temperatures above 60 degrees C were achieved by Day 2, followed by a thermophilic phase (50-60 degrees C), which lasted for 1 to 2 weeks followed by a cooling phase. The stability of one of treatments which did not contain any bulking agent - OUR of 25 mmol O-2 kg(-1) OM hour(-1) - was negatively affected by its initial high water content (69%). The addition of a bulking agent and initial water content below 60% were necessary to compost the separated solid fraction of pig manure at a low initial C/N ratio.. Irish Department of Agriculture Food and Fisheries - Research Stimulus Fund Programme (RSFP) - National Development Plan 2007-2013
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0960-8524 ; DOI: 10.1016/j.biortech.2011.04.066

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