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Cattle manure composting in a packed-bed reactor with forced aeration strategy

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Title: Cattle manure composting in a packed-bed reactor with forced aeration strategy
Authors: Shimizu, Naoto Browse this author →KAKEN DB
Karyadi, Joko Nugroho Wahyu Browse this author
Harano, Michio Browse this author
Iwabuchi, Kazunori Browse this author →KAKEN DB
Kimura, Toshinori Browse this author →KAKEN DB
Keywords: composting
cattle manure
on/off sequencing aeration
heat generated
Issue Date: Apr-2018
Publisher: Elsevier
Journal Title: Engineering in Agriculture, Environment and Food
Volume: 11
Issue: 2
Start Page: 65
End Page: 73
Publisher DOI: 10.1016/j.eaef.2018.01.002
Abstract: The aim of this study was to determine the appropriate strategy for cattle manure composting with forced aeration. The composting of cattle manure was conducted using an 18.8 L reactor with three different amounts of total air supplied (1080, 3240 and 10,800 L/kg dry mass) during 360 h of composting using continuous and on/off sequencing (20 min/h) aeration methods and three turning patterns (no turning, full turning and turning with position change). The degradation of organic matter in three-stage systems (the compost was turned every 120 h over the 360 h period) was significantly affected by total air supply volume and was large in the case of on/off sequence aeration. The pattern of moisture change was more affected by turning than by aeration modes. The optimal composting conditions for organic matter degradation (maximum of 37.7%) were aeration rate: 0.45 L/min kg dm, aeration mode: on/off sequencing process and full turning. The total accumulated weight losses and heat generated during composting indicated significant effects of the total air supplied and were large in the case of the continuous process.
Rights: © 2018 Asian Agricultural and Biological Engineering Association. Published by Elsevier B.V. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 license
Type: article (author version)
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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