JPH05503253A - 廃水からアンモニアを除去する方法 - Google Patents
廃水からアンモニアを除去する方法Info
- Publication number
- JPH05503253A JPH05503253A JP4501705A JP50170592A JPH05503253A JP H05503253 A JPH05503253 A JP H05503253A JP 4501705 A JP4501705 A JP 4501705A JP 50170592 A JP50170592 A JP 50170592A JP H05503253 A JPH05503253 A JP H05503253A
- Authority
- JP
- Japan
- Prior art keywords
- magnesium
- acid
- phosphate
- wastewater
- ammonium
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/586—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing ammoniacal nitrogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5254—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using magnesium compounds and phosphoric acid for removing ammonia
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/903—Nitrogenous
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/906—Phosphorus containing
Landscapes
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Physical Water Treatments (AREA)
- Activated Sludge Processes (AREA)
- Fertilizers (AREA)
- Catalysts (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
Claims (14)
- 1.リン酸アンモニウムマグネシウムの形態で沈澱させることにより廃水中に含 まれるアンモニウム性窒素を除去する方法であって、マグネシウムイオン源、ホ スフェートイオン源及び酸を含む単一液体反応物を前記廃水に加えることを特徴 とする方法。
- 2.前記反応物のホスフェートイオン/マグネシウムイオンの比が0.5〜1. 5であることを特徴とする請求項1に記載の方法。
- 3.ホスフェートイオン/マグネシウムイオンの比が1/1であることを特徴と する請求項2に記載の方法。
- 4.前記反応物が、前記廃水中のアンモニウム性窒素1モル当たり0.8〜2モ ル、好ましくは1.1〜1.5モルのマグネシウム及びホスフェートを含むこと を特徴とする請求項3に記載の方法。
- 5.前記マグネシウムイオン源が、酸化マグネシウム、硫酸マグネシウムまたは 塩化マグネシウム、好ましくは酸化マグネシウムである請求項1から4のいずれ か一項に記載の方法。
- 6.前記ホスフェートイオン源が、リン酸またはアルカリ金属もしくはアルカリ 土類金属ホスフェート、好ましくはリン酸である請求項1から5のいずれか一項 に記載の方法。
- 7.前記酸が、塩酸、硫酸、ギ酸または酢酸のような無機または有機の強酸、好 ましくは塩酸である請求項1から6のいずれか一項に記載の方法。
- 8.pH1〜2を得るのに必要な量の酸を使用することを特徴とする請求項1か ら7のいずれか一項に記載の方法。
- 9.前記反応物を加えた後に、媒質のpHを7より大きい、好ましく9より大き い値に調整することを特徴とする請求項1から8のいずれか一項に記載の方法。
- 10.pHを9〜11の値に調整することを特徴とする請求項9に記載の方法。
- 11.pHを、水酸化カリウム溶液、水酸化ナトリウム溶液またはこれらの混合 物を用いて調整することを特徴とする請求項9または10に記載の方法。
- 12.pHを、工業処理から回収された塩基を予め精製することなく用いて調整 することを特徴とする請求項9または10に記載の方法。
- 13.前記廃水が更にホスフェートイオンをも含むことを特徴とする請求項1か ら12のいずれか一項に記載の方法。
- 14.前記廃水が工業、農業または家庭に由来するものであることを特徴とする 請求項1から13のいずれか一項に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR90/14748 | 1990-11-26 | ||
FR9014748A FR2669619B1 (fr) | 1990-11-26 | 1990-11-26 | Procede d'elimination de l'ammoniaque des eaux residuaires. |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH05503253A true JPH05503253A (ja) | 1993-06-03 |
Family
ID=9402593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4501705A Withdrawn JPH05503253A (ja) | 1990-11-26 | 1991-11-25 | 廃水からアンモニアを除去する方法 |
Country Status (11)
Country | Link |
---|---|
US (1) | US5294348A (ja) |
EP (1) | EP0513306B1 (ja) |
JP (1) | JPH05503253A (ja) |
AT (1) | ATE100783T1 (ja) |
CA (1) | CA2073505A1 (ja) |
DE (1) | DE69101107T2 (ja) |
DK (1) | DK0513306T3 (ja) |
ES (1) | ES2051148T3 (ja) |
FR (1) | FR2669619B1 (ja) |
NO (1) | NO922960D0 (ja) |
WO (1) | WO1992009531A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015136657A (ja) * | 2014-01-22 | 2015-07-30 | 住友重機械工業株式会社 | アンモニウムイオンの除去方法、及び水処理装置 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE137727T1 (de) * | 1991-02-27 | 1996-05-15 | Interlicense Den Haag Bv | Verfahren zur getrennten behandlung und entsorgung von gemengen aus festen und flüssigen, organischen abfallstoffen |
GB2284205B (en) * | 1993-11-25 | 1998-04-29 | Nalco Ltd | Treatment of agricultural waste |
ATE296680T1 (de) * | 1997-03-31 | 2005-06-15 | Battelle Memorial Institute | Methode zur ammoniakentfernung von abströmen |
DE19829799C2 (de) * | 1998-07-03 | 2001-03-29 | Fraunhofer Ges Forschung | Verfahren zur stofflichen Verwertung von Gülle |
AU2001231111A1 (en) * | 2000-01-24 | 2001-07-31 | Isg Resources, Inc.. | Enhancement of ammonia containing fly ash and collection of ammonia byproduct |
DE60122336D1 (de) * | 2000-03-08 | 2006-09-28 | Isg Resources Inc | Kontrolle der ammoniakemissionen von mit ammoniak beladener flugasche in beton |
US6476082B1 (en) | 2000-08-17 | 2002-11-05 | Magline, Inc. | Magnesium ammonium phosphate hexahydrate slurry |
US7052581B2 (en) * | 2001-08-01 | 2006-05-30 | Philip Morris Usa Inc. | Process of producing magnesium ammonium phosphate in monohydrate form (dittmarite) |
CA2382813C (en) * | 2002-04-22 | 2008-09-02 | Kenneth Haggerty | Process for recovery of nutrients from wastewater effluent |
AU2003903646A0 (en) * | 2003-07-16 | 2003-07-31 | Bushwater Holdings Pty Ltd | Waste water treatment |
CN100384754C (zh) * | 2003-08-29 | 2008-04-30 | 南化集团研究院 | 化学沉淀法处理氨氮废水 |
US20050279475A1 (en) * | 2004-01-30 | 2005-12-22 | Philip Morris Usa Inc. | Processes of making monohydrate form of magnesium ammonium phosphate and processes of making cigarette paper using same |
CN100429157C (zh) * | 2005-10-31 | 2008-10-29 | 中国石油化工股份有限公司 | 一种氨氮废水的处理方法 |
US20070272550A1 (en) * | 2006-05-24 | 2007-11-29 | Advanced Desalination Inc. | Total solution for water treatments |
DK200601376A (da) * | 2006-10-24 | 2008-04-25 | Skap Holding Aps | Apparat og fremgangsmåde til fjernelse af ammonium fra et medie |
CA2693117A1 (en) * | 2007-06-14 | 2008-12-24 | Kansas State University Research Foundation | Fluidized bed precipitator |
US8262765B2 (en) * | 2008-08-08 | 2012-09-11 | Ajinomoto North America, Inc. | Method of preparing a controlled release fertilizer |
MX339660B (es) * | 2010-05-18 | 2016-06-03 | Ostara Nutrient Recovery Tech Inc * | Tratamiento de aguas residuales que contienen fosfatos. |
CN110835204A (zh) * | 2019-11-07 | 2020-02-25 | 上田环境修复有限公司 | 一种降解废水中氨氮的方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5388700A (en) * | 1977-01-14 | 1978-08-04 | Tsukishima Kikai Co | Method of recovering ammonia from waste water |
JPS5948157B2 (ja) * | 1977-07-13 | 1984-11-24 | 荏原インフイルコ株式会社 | し尿系汚水の生物学的脱窒素法 |
JPS54121560A (en) * | 1978-03-15 | 1979-09-20 | Ebara Infilco Co Ltd | Method of disposal for urinary sewage |
JPS54127148A (en) * | 1978-03-24 | 1979-10-02 | Ebara Infilco Co Ltd | Method of disposing raw sewage system sewage |
JPS55157387A (en) * | 1979-05-07 | 1980-12-08 | Ebara Infilco Co Ltd | Processing method for organic waste liquid |
DE3732896A1 (de) * | 1986-11-07 | 1988-08-25 | Schulze Rettmer Rainer | Verfahren zur eliminierung von ammonium und phosphat aus abwasser und prozesswasser |
JPH0753279B2 (ja) * | 1987-02-28 | 1995-06-07 | ユニチカ株式会社 | 汚泥処理系返流水の処理方法 |
DE3810720A1 (de) * | 1988-03-30 | 1989-10-26 | Schulze Rettmer Rainer | Verfahren zur reinigung, insbes. zur kontinuierlichen reinigung, von abwasser mit hohem gehalt an ammonium-ionen |
SE463364B (sv) * | 1988-06-03 | 1990-11-12 | Ecocure Ab | Foerfarande foer avlaegsnande av kvaevefoereningar ur raavatten |
DE3830332A1 (de) * | 1988-09-07 | 1990-03-15 | Huber Hans Gmbh | Verfahren zum entfernen von nitrationen aus rohwasser zum zwecke der trinkwasseraufbereitung |
DE3833039A1 (de) * | 1988-09-29 | 1990-04-05 | Werner Maier | Verfahren und vorrichtung zur reinigung phosphat- und stickstoffhaltigen abwassers |
-
1990
- 1990-11-26 FR FR9014748A patent/FR2669619B1/fr not_active Expired - Fee Related
-
1991
- 1991-11-25 CA CA002073505A patent/CA2073505A1/fr not_active Abandoned
- 1991-11-25 JP JP4501705A patent/JPH05503253A/ja not_active Withdrawn
- 1991-11-25 WO PCT/FR1991/000932 patent/WO1992009531A1/fr active IP Right Grant
- 1991-11-25 US US07/915,816 patent/US5294348A/en not_active Expired - Fee Related
- 1991-11-25 AT AT92900614T patent/ATE100783T1/de active
- 1991-11-25 DK DK92900614.6T patent/DK0513306T3/da active
- 1991-11-25 ES ES92900614T patent/ES2051148T3/es not_active Expired - Lifetime
- 1991-11-25 DE DE69101107T patent/DE69101107T2/de not_active Expired - Fee Related
- 1991-11-25 EP EP92900614A patent/EP0513306B1/fr not_active Expired - Lifetime
-
1992
- 1992-07-27 NO NO922960A patent/NO922960D0/no unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015136657A (ja) * | 2014-01-22 | 2015-07-30 | 住友重機械工業株式会社 | アンモニウムイオンの除去方法、及び水処理装置 |
Also Published As
Publication number | Publication date |
---|---|
FR2669619B1 (fr) | 1993-01-08 |
FR2669619A1 (fr) | 1992-05-29 |
EP0513306A1 (fr) | 1992-11-19 |
DE69101107T2 (de) | 1994-08-18 |
WO1992009531A1 (fr) | 1992-06-11 |
US5294348A (en) | 1994-03-15 |
DK0513306T3 (da) | 1994-06-06 |
NO922960L (no) | 1992-07-27 |
ATE100783T1 (de) | 1994-02-15 |
CA2073505A1 (fr) | 1992-05-27 |
DE69101107D1 (de) | 1994-03-10 |
ES2051148T3 (es) | 1994-06-01 |
NO922960D0 (no) | 1992-07-27 |
EP0513306B1 (fr) | 1994-01-26 |
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