JP2012041210A - 液肥の製造方法 - Google Patents
液肥の製造方法 Download PDFInfo
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- JP2012041210A JP2012041210A JP2010181555A JP2010181555A JP2012041210A JP 2012041210 A JP2012041210 A JP 2012041210A JP 2010181555 A JP2010181555 A JP 2010181555A JP 2010181555 A JP2010181555 A JP 2010181555A JP 2012041210 A JP2012041210 A JP 2012041210A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
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Abstract
【解決手段】畜舎汚水等の有機性廃棄物を低曝気処理した後、汚泥分離処理して得られた分離水を液肥とする。前記分離水は再度低曝気処理してもよい。このような低曝気処理により、液肥の硝酸イオン濃度が100mg/L以上となるように調整する。前記低曝気処理はDO値0〜3mg/Lで曝気するのが好ましい。
【選択図】図1
Description
乳牛飼育畜舎から回収した糞尿水(MLSS=3000mg/L)を図1に示すような回分式曝気槽に投入して低曝気処理した。回分式曝気槽は、回分槽区1と貯留槽区2で構成されており、糞尿水は回分槽1に投入し、エアーライン3からの送気により、DO値0〜1mg/Lで2〜3週間低曝気処理を続けた。
上記本発明の液肥をミニトマトの潅水に使用し、堆肥(市販品)を追肥する栽培法と収量等を比較した。ミニトマトを液肥区、堆肥区画4株ずつ13Lのポットに一本仕立てで植え付けた。ハウス内で管理し、土が乾燥したら株当たり1L潅水し(液肥区は上記液肥、堆肥区は堆肥に水)、堆肥区は第1花房がふくらんでから、10日に1回堆肥を株当たり100g追加した。なお、液肥の硝酸イオンは200mg/L、堆肥の窒素は2%であった。表3に液肥区と堆肥区におけるミニトマトの収量と品質(4株の平均値)、表4にミニトマトの株の生育及び土壌の性状(4株の平均値)を示す。
芝生の潅水に上記本発明の液肥を使用(試験区)し、水(水道水)を潅水した場合(対照区)と、芝生の生長、土壌の透水性等を比較した。期間は約6ヶ月間、芝生300m2に毎週1回300L潅水した。他の肥料散布は行わなかった。液肥の硝酸イオンは200〜250mg/Lであった。
ペチュニア、ビオラの花苗について、本発明の液肥を使用した場合と、市販の液肥を使用した場合の花苗の生育状態(草丈、株幅、葉長、葉幅、葉色)を測定した。
2は貯留槽
3はエアーライン
4は移送ライン
Claims (4)
- 有機性廃棄物を低曝気処理した後、汚泥分離処理して得られた分離水を液肥とすることを特徴とする液肥の製造方法。
- 前記分離水を再度低曝気処理することを特徴とする請求項1に記載の液肥の製造方法。
- 前記液肥は硝酸イオン濃度が100mg/L以上であることを特徴とする請求項1又は2に記載の液肥の製造方法。
- 前記低曝気処理は、DO値0〜3mg/Lで曝気することを特徴とする請求項1〜3のいずれかに記載の液肥の製造方法。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017024973A (ja) * | 2015-07-17 | 2017-02-02 | 株式会社アイエイアイ | 有機肥料養液の製造方法及び製造装置 |
JP2020141564A (ja) * | 2019-03-04 | 2020-09-10 | 環境大善株式会社 | 植物生長促進剤及び植物生長促進剤の製造方法 |
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JP2001069856A (ja) * | 1999-09-06 | 2001-03-21 | Otsuka Chem Co Ltd | 養液土耕栽培法 |
JP2002361279A (ja) * | 2001-06-11 | 2002-12-17 | Hoomaa Clean Kk | 廃水処理方法及び廃水処理装置 |
JP2004142994A (ja) * | 2002-10-24 | 2004-05-20 | Hiranaka:Kk | 回分式活性汚泥法による液体肥料及び土壌改良材の製造方法 |
JP2007117790A (ja) * | 2005-10-25 | 2007-05-17 | Saitama Univ | 有機性廃棄物の処理方法 |
JP2008055324A (ja) * | 2006-08-31 | 2008-03-13 | Hitachi Housetec Co Ltd | 汚水浄化槽 |
JP4112549B2 (ja) * | 2004-10-21 | 2008-07-02 | 多美子 定家 | 有機性廃棄物の処理方法 |
JP2008303122A (ja) * | 2007-06-08 | 2008-12-18 | Murata Kensetsu:Kk | 土壌・植物成育改良材 |
JP2009057235A (ja) * | 2007-08-31 | 2009-03-19 | Kurarisu Kankyo Kk | 堆肥の製造方法 |
JP2009119450A (ja) * | 2007-10-25 | 2009-06-04 | Kazuo Yamaoka | 廃水処理システム |
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JP2011025147A (ja) * | 2009-07-24 | 2011-02-10 | Kenichi Iwabuchi | 有機質廃棄物の発酵処理方法及び発酵処理装置 |
JP2011045837A (ja) * | 2009-08-27 | 2011-03-10 | Kurarisu Kankyo Kk | 廃水処理方法 |
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2010
- 2010-08-16 JP JP2010181555A patent/JP5783399B2/ja not_active Expired - Fee Related
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001069856A (ja) * | 1999-09-06 | 2001-03-21 | Otsuka Chem Co Ltd | 養液土耕栽培法 |
JP2002361279A (ja) * | 2001-06-11 | 2002-12-17 | Hoomaa Clean Kk | 廃水処理方法及び廃水処理装置 |
JP2004142994A (ja) * | 2002-10-24 | 2004-05-20 | Hiranaka:Kk | 回分式活性汚泥法による液体肥料及び土壌改良材の製造方法 |
JP4112549B2 (ja) * | 2004-10-21 | 2008-07-02 | 多美子 定家 | 有機性廃棄物の処理方法 |
JP2007117790A (ja) * | 2005-10-25 | 2007-05-17 | Saitama Univ | 有機性廃棄物の処理方法 |
JP2008055324A (ja) * | 2006-08-31 | 2008-03-13 | Hitachi Housetec Co Ltd | 汚水浄化槽 |
JP2008303122A (ja) * | 2007-06-08 | 2008-12-18 | Murata Kensetsu:Kk | 土壌・植物成育改良材 |
JP2009057235A (ja) * | 2007-08-31 | 2009-03-19 | Kurarisu Kankyo Kk | 堆肥の製造方法 |
JP2009119450A (ja) * | 2007-10-25 | 2009-06-04 | Kazuo Yamaoka | 廃水処理システム |
JP2011020050A (ja) * | 2009-07-15 | 2011-02-03 | Kurarisu Kankyo Kk | 廃水処理方法及び装置 |
JP2011025147A (ja) * | 2009-07-24 | 2011-02-10 | Kenichi Iwabuchi | 有機質廃棄物の発酵処理方法及び発酵処理装置 |
JP2011045837A (ja) * | 2009-08-27 | 2011-03-10 | Kurarisu Kankyo Kk | 廃水処理方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017024973A (ja) * | 2015-07-17 | 2017-02-02 | 株式会社アイエイアイ | 有機肥料養液の製造方法及び製造装置 |
JP2020141564A (ja) * | 2019-03-04 | 2020-09-10 | 環境大善株式会社 | 植物生長促進剤及び植物生長促進剤の製造方法 |
JP7485272B2 (ja) | 2019-03-04 | 2024-05-16 | 環境大善株式会社 | 植物生長促進剤 |
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