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Degradation of organic matter in cattle manure composting by aeration and turning in a packed-bed reactor

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Title: Degradation of organic matter in cattle manure composting by aeration and turning in a packed-bed reactor
Other Titles: 牛ふんのコンポスト化における有機物分解に及ぼす通気と切り返しの影響
Authors: Karyadi, Joko Nugroho Wahyu1 Browse this author
Harano, Michio2 Browse this author
Shimizu, Naoto3 Browse this author →KAKEN DB
Takigawa, Tomohiro4 Browse this author
Kimura, Toshinori5 Browse this author →KAKEN DB
Authors(alt): カルヤデイ, ジョコ ヌグロホ ワヒユ1
原野, 道生2
清水, 直人3
瀧川, 具弘4
木村, 俊範5
Keywords: aeration
cattle manure composting
packed-bed reactor
turning pattern
Issue Date: Jul-2007
Publisher: Japanese Society of Agricultural Machinery
Journal Title: Journal of the Japanese Society of Agricultural Machinery
Journal Title(alt): 農業機械学会誌
Volume: 69
Issue: 4
Start Page: 71
End Page: 78
Publisher DOI: 10.11357/jsam1937.69.4_71
Abstract: A mixture of cattle manure and sawdust was composted using an 18.8L reactor at aeration rates of 0.05, 0.15, and 0.50L/min.kgdm, employing three turning patterns (no turning, full turning, and turning with position change of the layers). The maximum temperatures for aeration were 64.3℃ at 0.05L/min.kgdm, 73.2℃ at 0.15L/min.kgdm, and 70.8℃ at 0.50L/min.kgdm. An aeration rate of 0.50L/min.kgdm effectively accelerates composting in the early stage. A combination of aeration and the turning operation were found to resulting in different composting process patterns. Organic matter reduction in forced aeration composting can be enhanced with turning and its reduction in composting with full turning was somewhat greater than for turning with a position change. We propose major composition changes in compost material by aeration and turning in a fabricated packed-bed reactor.
容量18.8Lの反応槽を使用して, 牛ふんのコンポスト化を3つの通気量 (0.05, 0.15, 0.50L/min.kgdm) と3つの切り返し (層の位置の入れ替えによる切り返し, 全体の切り返し, 切り返しなし) の条件で行った。最高温度は通気量0.05L/min.kgdmで64.3℃, 0.15L/min.kgdmで73.2℃, そして0.50L/min.kgdmで70.8℃であった。通気量0.50L/min.kgdmで, 効果的にコンポスト化初期過程における分解が促進された。切り返しをしない場合に比べ, 切返しをする場合は有機物の分解が促進されることが明らかになった。通気量0.50L/min.kgdmによる15日後の分解率は, 切り返しなしの場合で24.7%, 全体の切り返しをした場合で30.1%, そして層の位置を入れ替えた切返しでは29.3%であった。通気量の増加によってコンポスト化材料の総重量減は増加した。
Type: article
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 清水 直人

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