抄録
In this study, 150 liquid fertilizers in 2012 and 70 liquid fertilizers in 2015 were sampled and analyzed to derive the process monitoring factors for the production of stabilized liquid fertilizer during the liquid composting of pig slurry. Dissolved oxygen (DO) and oxidation-reduction potential (ORP), which are major operating factors of the liquid composting process, tend to increase with the improvement of organic stabilization degree in the liquid composting of pig slurry, but pH and suspended solid (SS) did not show any significant difference regardless of the organic stabilization degree of liquid fertilizer. Electric conductivity (EC), soluble chemical oxygen demand (SCOD Cr ), total nitrogen (TN), and ammonium nitrogen (NH + 4 -N) showed a significant decreasing tendency, and nitrate nitrogen (N0 - 3 -N) and total phosphorus (TP) showed no significant differences with the improvement of organic stabilization degree in the liquid composting of pig slurry. And there was a significant correlation between the EC, TN, and NH + 4 -N parameters in the correlation analysis of the chemical properties of the stabilized liquid fertilizer. Therefore, EC, SCOD Cr , TN, and NH + 4 -N were derived as chemical parameters that could distinguish the characteristics of stabilized liquid fertilizer. Especially, the EC parameter was evaluated as an useful indicator for the quality control of liquid fertilizer in the monitoring of overall liquid composting process of the pig slurry.
| 元の言語 | 英語 |
|---|---|
| ページ（範囲） | 149-157 |
| ページ数 | 9 |
| ジャーナル | Journal of the Faculty of Agriculture, Kyushu University |
| 巻 | 63 |
| 発行部数 | 1 |
| 出版物ステータス | 出版済み - 2 1 2018 |
| 外部発表 | Yes |
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All Science Journal Classification (ASJC) codes
- Biotechnology
- Agronomy and Crop Science
これを引用
Derivation of monitoring factors to produce liquid manure fertilizers from the aerobic liquid fertilization process of pig slurries. / Yoon, Young Man; Halder, Joshua Nizel; Rang, Tak Won; Kim, Soo Ryang; Yabe, Mitsuyasu; Lee, Myung Gyu.
：: Journal of the Faculty of Agriculture, Kyushu University, 巻 63, 番号 1, 01.02.2018, p. 149-157.研究成果: ジャーナルへの寄稿 › 記事
}
TY - JOUR
T1 - Derivation of monitoring factors to produce liquid manure fertilizers from the aerobic liquid fertilization process of pig slurries
AU - Yoon, Young Man
AU - Halder, Joshua Nizel
AU - Rang, Tak Won
AU - Kim, Soo Ryang
AU - Yabe, Mitsuyasu
AU - Lee, Myung Gyu
PY - 2018/2/1
Y1 - 2018/2/1
N2 - In this study, 150 liquid fertilizers in 2012 and 70 liquid fertilizers in 2015 were sampled and analyzed to derive the process monitoring factors for the production of stabilized liquid fertilizer during the liquid composting of pig slurry. Dissolved oxygen (DO) and oxidation-reduction potential (ORP), which are major operating factors of the liquid composting process, tend to increase with the improvement of organic stabilization degree in the liquid composting of pig slurry, but pH and suspended solid (SS) did not show any significant difference regardless of the organic stabilization degree of liquid fertilizer. Electric conductivity (EC), soluble chemical oxygen demand (SCOD Cr ), total nitrogen (TN), and ammonium nitrogen (NH + 4 -N) showed a significant decreasing tendency, and nitrate nitrogen (N0 - 3 -N) and total phosphorus (TP) showed no significant differences with the improvement of organic stabilization degree in the liquid composting of pig slurry. And there was a significant correlation between the EC, TN, and NH + 4 -N parameters in the correlation analysis of the chemical properties of the stabilized liquid fertilizer. Therefore, EC, SCOD Cr , TN, and NH + 4 -N were derived as chemical parameters that could distinguish the characteristics of stabilized liquid fertilizer. Especially, the EC parameter was evaluated as an useful indicator for the quality control of liquid fertilizer in the monitoring of overall liquid composting process of the pig slurry.
AB - In this study, 150 liquid fertilizers in 2012 and 70 liquid fertilizers in 2015 were sampled and analyzed to derive the process monitoring factors for the production of stabilized liquid fertilizer during the liquid composting of pig slurry. Dissolved oxygen (DO) and oxidation-reduction potential (ORP), which are major operating factors of the liquid composting process, tend to increase with the improvement of organic stabilization degree in the liquid composting of pig slurry, but pH and suspended solid (SS) did not show any significant difference regardless of the organic stabilization degree of liquid fertilizer. Electric conductivity (EC), soluble chemical oxygen demand (SCOD Cr ), total nitrogen (TN), and ammonium nitrogen (NH + 4 -N) showed a significant decreasing tendency, and nitrate nitrogen (N0 - 3 -N) and total phosphorus (TP) showed no significant differences with the improvement of organic stabilization degree in the liquid composting of pig slurry. And there was a significant correlation between the EC, TN, and NH + 4 -N parameters in the correlation analysis of the chemical properties of the stabilized liquid fertilizer. Therefore, EC, SCOD Cr , TN, and NH + 4 -N were derived as chemical parameters that could distinguish the characteristics of stabilized liquid fertilizer. Especially, the EC parameter was evaluated as an useful indicator for the quality control of liquid fertilizer in the monitoring of overall liquid composting process of the pig slurry.
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M3 - Article
VL - 63
SP - 149
EP - 157
JO - Journal of the Faculty of Agriculture, Kyushu University
JF - Journal of the Faculty of Agriculture, Kyushu University
SN - 0023-6152
IS - 1
ER -