JP2012179578A5 - - Google Patents
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- JP2012179578A5 JP2012179578A5 JP2011045766A JP2011045766A JP2012179578A5 JP 2012179578 A5 JP2012179578 A5 JP 2012179578A5 JP 2011045766 A JP2011045766 A JP 2011045766A JP 2011045766 A JP2011045766 A JP 2011045766A JP 2012179578 A5 JP2012179578 A5 JP 2012179578A5
- Authority
- JP
- Japan
- Prior art keywords
- solid
- microalgae
- separating
- liquid separation
- returning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Claims (5)
微細藻類が凝集しやすい表面ゼータ電位となるように原水の塩類濃度を調整する調整工程と、
前記微細藻類を含む原水に無機凝集剤を添加して凝集反応を行わせる凝集工程と、
凝集工程で生成した凝集フロックを固液分離する固液分離工程と
を有することを特徴とする微細藻類の分離回収方法。 In a method for separating and collecting microalgae from raw water containing microalgae,
An adjustment step of adjusting the salt concentration of the raw water so as to have a surface zeta potential at which microalgae tend to aggregate;
An aggregation step of adding an inorganic flocculant to the raw water containing the microalgae to cause an aggregation reaction;
A method for separating and recovering microalgae, comprising: a solid-liquid separation step for solid-liquid separation of the aggregated floc generated in the aggregation step.
該貯留分離工程の固液分離水を固液分離工程に返送する固液分離水返送工程と
を有することを特徴とする請求項１〜４のいずれかに記載の微細藻類の分離回収方法。 A storage and separation step for primary storage and further solid-liquid separation of the microalgae separated and recovered in the solid-liquid separation step;
The method for separating and recovering microalgae according to any one of claims 1 to 4, further comprising a solid-liquid separated water returning step for returning the solid-liquid separated water in the storage and separating step to the solid-liquid separating step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011045766A JP5821218B2 (en) | 2011-03-02 | 2011-03-02 | Method for separating and collecting microalgae |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011045766A JP5821218B2 (en) | 2011-03-02 | 2011-03-02 | Method for separating and collecting microalgae |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011067336A Division JP5817166B2 (en) | 2011-03-25 | 2011-03-25 | Method for separating and collecting microalgae |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012179578A JP2012179578A (en) | 2012-09-20 |
| JP2012179578A5 true JP2012179578A5 (en) | 2014-04-17 |
| JP5821218B2 JP5821218B2 (en) | 2015-11-24 |
Family
ID=47011286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011045766A Expired - Fee Related JP5821218B2 (en) | 2011-03-02 | 2011-03-02 | Method for separating and collecting microalgae |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5821218B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5817166B2 (en) * | 2011-03-25 | 2015-11-18 | 栗田工業株式会社 | Method for separating and collecting microalgae |
| JP6118077B2 (en) * | 2012-11-22 | 2017-04-19 | 栗田工業株式会社 | Method for recovering microalgae with hydrocarbon production ability |
| JP7225073B2 (en) * | 2019-10-02 | 2023-02-20 | 水ｉｎｇ株式会社 | Coagulating filtration method and coagulating filtration device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4917054A (en) * | 1972-06-09 | 1974-02-15 | ||
| JPS57107286A (en) * | 1980-12-24 | 1982-07-03 | Mitsubishi Heavy Ind Ltd | Method for treatment of water containing nektonic microbe by pressure flotation |
| JPH0796284A (en) * | 1993-09-29 | 1995-04-11 | Kurita Water Ind Ltd | Treatment of oil-containing waste water |
| JP3562659B2 (en) * | 1994-09-29 | 2004-09-08 | 栗田工業株式会社 | Algae-containing water purification treatment apparatus and purification treatment method |
| WO1998034877A2 (en) * | 1997-02-10 | 1998-08-13 | Tetra Werke Dr. Rer. Nat. Ulrich Baensch Gmbh | Two-component agent for water-treatment in aquariums for tropical fish |
| JP4910415B2 (en) * | 2006-02-09 | 2012-04-04 | 栗田工業株式会社 | Organic wastewater treatment method and apparatus |
| JP4793167B2 (en) * | 2006-08-22 | 2011-10-12 | 栗田工業株式会社 | Pressure floating separator |
| JP5359971B2 (en) * | 2010-04-01 | 2013-12-04 | トヨタ自動車株式会社 | Aggregation and separation method of algae |
| US20120152855A1 (en) * | 2010-12-20 | 2012-06-21 | Palo Alto Research Center Incorporated | Systems and apparatus for seawater organics removal |
| JP5817166B2 (en) * | 2011-03-25 | 2015-11-18 | 栗田工業株式会社 | Method for separating and collecting microalgae |
| CN102701345B (en) * | 2012-05-21 | 2013-12-11 | 中国科学院生态环境研究中心 | Preoxidation-coagulation algae removing method based on in-situ generation of double coagulants |
-
2011
- 2011-03-02 JP JP2011045766A patent/JP5821218B2/en not_active Expired - Fee Related
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