JP4235091B2 - 屎尿及び有機性汚泥の処理方法、並びに処理装置 - Google Patents
屎尿及び有機性汚泥の処理方法、並びに処理装置 Download PDFInfo
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- JP4235091B2 JP4235091B2 JP2003396843A JP2003396843A JP4235091B2 JP 4235091 B2 JP4235091 B2 JP 4235091B2 JP 2003396843 A JP2003396843 A JP 2003396843A JP 2003396843 A JP2003396843 A JP 2003396843A JP 4235091 B2 JP4235091 B2 JP 4235091B2
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Description
図1に示す屎尿及び有機性汚泥の処理装置を用い、屎尿及び浄化槽汚泥を処理した。屎尿原液中の夾雑物の含有量は0.8質量%であり、浄化槽汚泥原液中の夾雑物の含有量は0.3質量%であった。屎尿は、屎尿破砕ポンプ20により破砕処理後、夾雑物の除去処理はしないまま直接、輸送手段22を経て中継槽24に供給した。浄化槽汚泥は、有機性汚泥破砕ポンプ32により破砕処理後、夾雑物の除去処理はしないまま直接、輸送手段34を経て中継槽24に供給した。
屎尿原液及び浄化槽汚泥原液を混合し、夾雑物の除去処理をして、処理後の混合汚泥における夾雑物含有量を0.008質量%とした屎尿及び浄化槽汚泥を処理した以外は、実施例1と同様に処理し、ロータリープレス脱水機の脱水処理物である脱水ケーキと分離液とを得た。
4 有機性汚泥受入破砕設備
6 混合凝集反応設備
8 脱水設備
10 生物処理設備
12 固液分離設備
14、18、22、26、30、34、36、38、42、44、50、54、58、62、64、66、68 輸送手段
16 屎尿受入槽
20 屎尿破砕ポンプ
24 中継槽
28 有機性汚泥受入槽
32 有機性汚泥破砕ポンプ
40 凝集反応槽
46 脱水機
48 脱水ケーキ
52 貯留槽
56 生物処理槽
60 膜分離槽
Claims (5)
- 屎尿及び有機性汚泥を生物学的方法で処理する屎尿及び有機性汚泥の処理方法であって、屎尿原液に含まれる夾雑物を破砕ポンプで破砕して、破砕した夾雑物を除去していない屎尿と、有機性汚泥原液に含まれる夾雑物を破砕ポンプで破砕して、破砕した夾雑物を除去していない有機性汚泥と、生物処理設備において発生する余剰汚泥とを混合するに際し、混合液中の屎尿と有機性汚泥との割合を質量比で70:30〜0:100として混合液を得、次いで混合液を脱水し、脱水ケーキの含水率70質量%以下とすることを特徴とする屎尿及び有機性汚泥の処理方法。
- 屎尿原液中の夾雑物の含有量が0.5〜1.0質量%であり、有機性汚泥原液中の夾雑物の含有量が0.1〜0.5質量%である請求項1に記載の屎尿及び有機性汚泥の処理方法。
- 脱水に加圧型脱水機を使用する請求項1に記載の屎尿及び有機性汚泥の処理方法。
- 有機性汚泥が浄化槽汚泥、農業集落排水処理施設の汚泥又は下水処理施設の汚泥を含む請求項1に記載の屎尿及び有機性汚泥の処理方法。
- 屎尿原液を受け入れた後、屎尿原液に含まれる夾雑物を破砕する屎尿受入破砕設備と、有機性汚泥原液を受け入れた後、有機性汚泥原液に含まれる夾雑物を破砕する有機性汚泥受入破砕設備と、前記屎尿受入破砕設備で得られた屎尿破砕物と前記有機性汚泥受入破砕設備で得られた有機性汚泥破砕物と生物処理設備において発生する余剰汚泥とを混合して混合液を得ると共に前記混合液に凝集剤を添加して混合液の凝集反応を行わせる混合凝集反応設備と、前記混合凝集反応設備で得られた混合液の凝集反応物を脱水処理して脱水ケーキと分離液とに分離する脱水設備と、前記脱水設備で得られた分離液を受け入れて生物学的方法で処理する生物処理設備と、前記生物処理設備で得られた生物処理物を放流用処理水と余剰汚泥とに分離する固液分離設備と、前記分離した余剰汚泥を混合凝集反応設備及び生物処理設備に返送する手段とが備えられてなる屎尿及び有機性汚泥の処理装置。
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011050944A (ja) * | 2009-08-05 | 2011-03-17 | Daiki Ataka Engineering Co Ltd | し尿、浄化槽汚泥あるいは有機性廃棄物の処理方法 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4807966B2 (ja) * | 2005-05-12 | 2011-11-02 | 三菱重工環境・化学エンジニアリング株式会社 | 有機性廃水処理方法及び該システム |
JP4537282B2 (ja) * | 2005-07-19 | 2010-09-01 | 株式会社神鋼環境ソリューション | 汚泥処理設備および汚泥処理方法 |
JP2007203123A (ja) * | 2005-10-20 | 2007-08-16 | Teruo Kaneko | 人又は畜産の排泄物処理装置 |
JP5981096B2 (ja) * | 2010-06-02 | 2016-08-31 | 日立造船株式会社 | 汚水処理方法および装置 |
JP6162375B2 (ja) * | 2012-07-23 | 2017-07-12 | 日立造船株式会社 | 廃棄物からのリン酸の回収方法 |
JP6193716B2 (ja) * | 2013-10-11 | 2017-09-06 | 水ing株式会社 | 有機性廃水処理方法及び装置並びに化成肥料の製造方法及び装置 |
JP6815062B2 (ja) * | 2015-12-29 | 2021-01-20 | クボタ環境サ−ビス株式会社 | 有機性汚泥の破砕処理方法及び破砕処理設備 |
JP6393373B2 (ja) * | 2017-06-14 | 2018-09-19 | 日立造船株式会社 | 廃棄物からのリン酸の回収方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2011050944A (ja) * | 2009-08-05 | 2011-03-17 | Daiki Ataka Engineering Co Ltd | し尿、浄化槽汚泥あるいは有機性廃棄物の処理方法 |
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