COMPOSTING OF MUNICIPAL SEWAGE SLUDGE MIXED WITH RICE HULLS
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概要
- 論文の詳細を見る
A mixture of undigested sludge cake with ground rice hulls as a bulking material was composted, and the changes in various properties of the mixture during active composting and curing were studied using a newly devised experimental apparatus for composting. The essential results obtained were as follows. 1) The temperature of the mixture as rapidly raised to 60℃ by active composting and this level was maintained for more than 10 hr. 2) The concentration of gaseous NH_3 and CO_2 in the off-gases increased soon after initiation of the active composting and decreased to a low constant level on the 14th day, when the active composting was judged to be finished. 3) The BOD_5 sharply decreased until the end of the active composting and maintained a low constant level thereafter. 4) The ignition loss gradually decreased during curing. These changes were found to be useful as indices for checking the process of composting.
- 社団法人日本土壌肥料学会の論文
著者
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Chino Mitsuo
Faculty of Bioresource Science, Akita Prefectural University
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Chino Mitsuo
Faculty Of Agriculture The University Of Tokyo
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Chino Mitsuo
Faculty Of Agriculture Niigata University:(present Address)faculty Of Agriculture Tokyo University
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MORI Tadahiro
Research and Development Division, Japan Sewage Works Agency
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NARITA Aisei
Research and Development Division, Japan Sewage Works Agency
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AMIMOTO Toshihiro
Japan Research and Education Center for Waste Managements
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Mori Tadahiro
Research And Development Division Japan Sewage Works Agency
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Narita Aisei
Research And Development Division Japan Sewage Works Agency
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