JP2016000389A - 濁水処理システム及び濁水処理方法 - Google Patents
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Abstract
【解決手段】濁水処理システム200は、第1凝集反応槽202内の第1被処理水がアルカリ性になるようにアルカリ性物質を添加するアルカリ添加手段214と、第2凝集反応槽205内の第2被処理水が酸性になるように酸性物質を添加する酸添加手段213と、第1被処理水に第1凝集剤を添加するための第1凝集剤添加手段と、第2被処理水に第2凝集剤を添加するための第2凝集剤添加手段と、濁水の濁度又はSS濃度を検出する濁度/SS検出手段と、濁度/SS検出手段によって検出された濁度又はSS濃度に基づいて第1凝集剤の添加量を制御する凝集剤制御手段220と、を備える。
【選択図】図5
Description
Claims (6)
- 濁水を導入して凝集沈殿処理する第1凝集反応槽及び第1沈殿槽と、前記第1沈殿槽の後段に設けられて前記第1沈殿槽からの被処理水を導入して凝集沈殿処理する第2凝集反応槽及び第2沈殿槽と、を備える濁水処理システムであって、
前記第1凝集反応槽内の第1被処理水がアルカリ性になるようにアルカリ性物質を添加するアルカリ添加手段と、
第2凝集反応槽内の第2被処理水が酸性になるように酸性物質を添加する酸添加手段と、
前記第1被処理水に第1凝集剤を添加するための第1凝集剤添加手段と、
前記第2被処理水に第2凝集剤を添加するための第2凝集剤添加手段と、
前記濁水の濁度又はSS濃度を検出する濁度/SS検出手段と、
前記濁度/SS検出手段によって検出された濁度又はSS濃度に基づいて前記第1凝集剤の添加量を制御する凝集剤制御手段と、
を備えることを特徴とする濁水処理システム。 - 前記第1凝集反応槽及び前記第2凝集反応槽には、前記第1被処理水のpH及び前記第2被処理水のpHを検出するpH検出手段がそれぞれ設けられており、
前記pH検出手段によって検出されたpHに基づいて、前記第1凝集反応槽内の第1被処理水がアルカリ性になるように前記アルカリ添加手段を制御すると共に前記第2凝集反応槽内の第2被処理水が酸性になるように酸添加手段を制御するpH制御手段を備える、
ことを特徴とする請求項1に記載の濁水処理システム。 - 前記凝集剤制御手段は、前記濁度/SS検出手段によって検出された濁度又はSS濃度に基づいて前記第2凝集剤の添加量を制御することを特徴とする請求項1又は2に記載の濁水処理システム。
- 前記第1凝集剤及び/又は前記第2凝集剤は、高分子凝集剤を含むことを特徴とする請求項1〜3のいずれか一項に記載の濁水処理システム。
- 前記第1凝集剤と前記第2凝集剤とは、異なる凝集剤であることを特徴とする請求項1〜4のいずれか一項に記載の濁水処理システム。
- 濁水を導入して凝集沈殿する第1凝集反応槽及び第1沈殿槽と、前記第1沈殿槽の後段に設けられて前記第1沈殿槽からの被処理水を導入して凝集沈殿処理する第2凝集反応槽及び第2沈殿槽と、を備える濁水処理システムを用いた濁水処理方法であって、
前記第1凝集反応槽内の第1被処理水がアルカリ性になるようにアルカリ性物質を添加するアルカリ添加工程と、
第2凝集反応槽内の第2被処理水が酸性になるように酸性物質を添加する酸添加工程と、
前記第1被処理水に第1凝集剤を添加する第1凝集剤添加工程と、
前記第2被処理水に第2凝集剤を添加する第2凝集剤添加工程と、を含み、
前記第1凝集剤添加工程では、前記濁水の濁度又はSS濃度に基づいて前記第1凝集剤の添加量を制御する
ことを特徴とする濁水処理方法。
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JP2021037449A (ja) * | 2019-09-02 | 2021-03-11 | 栗田工業株式会社 | フッ素含有排水の処理方法 |
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US4329224A (en) * | 1980-11-14 | 1982-05-11 | General Electric Company | Wastewater treatment process |
JPH0411905A (ja) * | 1990-04-27 | 1992-01-16 | Toshiba Corp | 浄水場の凝集剤注入制御装置 |
JP2009066508A (ja) * | 2007-09-12 | 2009-04-02 | Kurita Water Ind Ltd | 有機物含有水の凝集処理方法 |
JP2010214248A (ja) * | 2009-03-13 | 2010-09-30 | Toshiba Corp | 固液分離システム |
JP2011101828A (ja) * | 2009-11-10 | 2011-05-26 | Hitachi Ltd | 浄水薬注制御システム |
JP2013034987A (ja) * | 2011-07-12 | 2013-02-21 | Takasago Thermal Eng Co Ltd | 亜鉛メッキ鋼管を配管した設備の配管系からのフラッシング排水の処理方法 |
JP2013078717A (ja) * | 2011-10-03 | 2013-05-02 | Rematec Corp | 汚泥付着木材の洗浄廃水処理剤および処理法 |
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US4329224A (en) * | 1980-11-14 | 1982-05-11 | General Electric Company | Wastewater treatment process |
JPH0411905A (ja) * | 1990-04-27 | 1992-01-16 | Toshiba Corp | 浄水場の凝集剤注入制御装置 |
JP2009066508A (ja) * | 2007-09-12 | 2009-04-02 | Kurita Water Ind Ltd | 有機物含有水の凝集処理方法 |
JP2010214248A (ja) * | 2009-03-13 | 2010-09-30 | Toshiba Corp | 固液分離システム |
JP2011101828A (ja) * | 2009-11-10 | 2011-05-26 | Hitachi Ltd | 浄水薬注制御システム |
JP2013034987A (ja) * | 2011-07-12 | 2013-02-21 | Takasago Thermal Eng Co Ltd | 亜鉛メッキ鋼管を配管した設備の配管系からのフラッシング排水の処理方法 |
JP2013078717A (ja) * | 2011-10-03 | 2013-05-02 | Rematec Corp | 汚泥付着木材の洗浄廃水処理剤および処理法 |
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JP2021037449A (ja) * | 2019-09-02 | 2021-03-11 | 栗田工業株式会社 | フッ素含有排水の処理方法 |
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