WO2002079087A1 - Recuperation d'azote ammoniacal contenu dans des eaux usees - Google Patents

Recuperation d'azote ammoniacal contenu dans des eaux usees Download PDF

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Publication number
WO2002079087A1
WO2002079087A1 PCT/FI2002/000265 FI0200265W WO02079087A1 WO 2002079087 A1 WO2002079087 A1 WO 2002079087A1 FI 0200265 W FI0200265 W FI 0200265W WO 02079087 A1 WO02079087 A1 WO 02079087A1
Authority
WO
WIPO (PCT)
Prior art keywords
solution
preceeding
carboxylic acid
metal salt
adsoφtion
Prior art date
Application number
PCT/FI2002/000265
Other languages
English (en)
Inventor
Eero Aitta
Original Assignee
Kemira Chemicals Oy
Matti Ettala Oy
Envitop Oy
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kemira Chemicals Oy, Matti Ettala Oy, Envitop Oy filed Critical Kemira Chemicals Oy
Publication of WO2002079087A1 publication Critical patent/WO2002079087A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/10—Separation of ammonia from ammonia liquors, e.g. gas liquors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
    • B01J49/05—Regeneration or reactivation of ion-exchangers; Apparatus therefor of fixed beds
    • B01J49/06—Regeneration or reactivation of ion-exchangers; Apparatus therefor of fixed beds containing cationic exchangers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
    • B01J49/50—Regeneration or reactivation of ion-exchangers; Apparatus therefor characterised by the regeneration reagents
    • B01J49/53—Regeneration or reactivation of ion-exchangers; Apparatus therefor characterised by the regeneration reagents for cationic exchangers
    • 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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C1/00—Ammonium nitrate fertilisers
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
    • 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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers

Abstract

L'invention concerne un procédé d'extraction de l'azote ammoniacal contenu dans des eaux usées pour une application utile, selon un processus chimique fondé sur l'échange d'ions, comprenant les étapes suivantes: i) première étape: adsorption de l'azote ammoniacal contenu dans les eaux usées dans une masse d'adsorption d'un échangeur d'ions; ii) deuxième étape: désorption de l'azote ammoniacal contenu dans la masse d'adsorption de l'échangeur d'ions au moyen d'une solution d'éluant contenant un sel métallique d'acide carboxylique, la masse d'adsorption étant simultanément régénérée par les ions métal dudit sel métallique; iii) troisième étape: clarification de la solution produite lors de la seconde étape, contenant l'azote ammoniacal; iv) quatrième étape: aération de la solution clarifiée contenant l'azote ammoniacal pour libérer l'azote ammoniacal sous la forme d'ammoniac; et v) cinquième étape: absorption de l'ammoniac produit lors de la quatrième étape pour une application utile.
PCT/FI2002/000265 2001-03-29 2002-03-27 Recuperation d'azote ammoniacal contenu dans des eaux usees WO2002079087A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20010651 2001-03-29
FI20010651A FI109898B (fi) 2001-03-29 2001-03-29 Ammoniumtypen talteenotto jätevedestä

Publications (1)

Publication Number Publication Date
WO2002079087A1 true WO2002079087A1 (fr) 2002-10-10

Family

ID=8560871

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2002/000265 WO2002079087A1 (fr) 2001-03-29 2002-03-27 Recuperation d'azote ammoniacal contenu dans des eaux usees

Country Status (2)

Country Link
FI (1) FI109898B (fr)
WO (1) WO2002079087A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102816047A (zh) * 2012-08-07 2012-12-12 南通市振兴精细化工有限公司 一种四甲基哌啶醇中氨味乙醇的除氨工艺
CN110028126A (zh) * 2019-04-29 2019-07-19 广东益诺欧环保股份有限公司 一种深度处理废水中氨氮的系统和方法
CN110877985A (zh) * 2019-11-25 2020-03-13 山东建筑大学 一种利用废水制取复合磷肥的方法及装置
CN112093980A (zh) * 2020-09-10 2020-12-18 上海电力大学 一种污水的高效氮回收装置和工艺
CN115608319A (zh) * 2022-12-08 2023-01-17 江西理工大学 一种去除水中氨氮的改性蛭石吸附剂及其制备和再生方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103253817B (zh) * 2013-06-09 2014-03-05 谭振光 利用无菌水自然曝气反冲沸石再生工艺技术

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4772307A (en) * 1984-04-02 1988-09-20 Jeno Kiss Process for preparing an agricultural fertilizer from sewage
WO1998043738A1 (fr) * 1997-03-31 1998-10-08 Battelle Memorial Institute Appareil et procede d'extraction d'ammoniaque d'eaux usees
EP0915057A2 (fr) * 1997-10-28 1999-05-12 PreussenElektra Aktiengesellschaft Procédé pour l'élimination sélective d'ammoniac ou des ions ammonium d'une solution aqueuse

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4772307A (en) * 1984-04-02 1988-09-20 Jeno Kiss Process for preparing an agricultural fertilizer from sewage
WO1998043738A1 (fr) * 1997-03-31 1998-10-08 Battelle Memorial Institute Appareil et procede d'extraction d'ammoniaque d'eaux usees
EP0915057A2 (fr) * 1997-10-28 1999-05-12 PreussenElektra Aktiengesellschaft Procédé pour l'élimination sélective d'ammoniac ou des ions ammonium d'une solution aqueuse

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102816047A (zh) * 2012-08-07 2012-12-12 南通市振兴精细化工有限公司 一种四甲基哌啶醇中氨味乙醇的除氨工艺
CN102816047B (zh) * 2012-08-07 2014-12-24 南通市振兴精细化工有限公司 一种四甲基哌啶醇中氨味乙醇的除氨工艺
CN110028126A (zh) * 2019-04-29 2019-07-19 广东益诺欧环保股份有限公司 一种深度处理废水中氨氮的系统和方法
CN110877985A (zh) * 2019-11-25 2020-03-13 山东建筑大学 一种利用废水制取复合磷肥的方法及装置
CN110877985B (zh) * 2019-11-25 2022-11-01 山东建筑大学 一种利用废水制取复合磷肥的方法及装置
CN112093980A (zh) * 2020-09-10 2020-12-18 上海电力大学 一种污水的高效氮回收装置和工艺
CN112093980B (zh) * 2020-09-10 2024-02-27 上海电力大学 一种污水的高效氮回收装置和工艺
CN115608319A (zh) * 2022-12-08 2023-01-17 江西理工大学 一种去除水中氨氮的改性蛭石吸附剂及其制备和再生方法

Also Published As

Publication number Publication date
FI20010651A0 (fi) 2001-03-29
FI109898B (fi) 2002-10-31

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