FR2422600A1 - Procede pour eliminer l'ammoniac et les sels d'ammonium des eaux residuaires industrielles - Google Patents
Procede pour eliminer l'ammoniac et les sels d'ammonium des eaux residuaires industriellesInfo
- Publication number
- FR2422600A1 FR2422600A1 FR7908985A FR7908985A FR2422600A1 FR 2422600 A1 FR2422600 A1 FR 2422600A1 FR 7908985 A FR7908985 A FR 7908985A FR 7908985 A FR7908985 A FR 7908985A FR 2422600 A1 FR2422600 A1 FR 2422600A1
- Authority
- FR
- France
- Prior art keywords
- alkali
- procedure
- ammonium salts
- industrial waste
- removing ammonia
- 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.)
- Granted
Links
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
-
- 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
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Physical Water Treatments (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Ce procédé consiste à faire passer l'eau à travers des colonnes de distillation 1 et 2 en sens contraire du courant de vapeur ou d'air pré-chauffé arrivant par 9 et 10 et ajouter à un poste intermédiaire 6 un alcali (par exemple lait de chaux) pour transformer NH4 ** + en NH3 . La colonne de distillation 2, avant l'addition d'alcali, est alimentée par de la vapeur ou de l'air pré-chauffé, frais, différents de ceux alimentant la colonne 1 après l'addition d'alcali, ce qui permet d'éliminer tout le CO2 , de diminuer ainsi la quantité d'alcali et d'éviter l'entartrage de l'installation. Utilisation de ce procédé pour purifier par exemple les eaux résiduaires des cokeries.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7803765A NL7803765A (nl) | 1978-04-10 | 1978-04-10 | Werkwijze voor het verwijderen van ammoniak en ammo- niumzouten uit industrieel afvalwater. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2422600A1 true FR2422600A1 (fr) | 1979-11-09 |
FR2422600B1 FR2422600B1 (fr) | 1984-12-21 |
Family
ID=19830620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7908985A Expired FR2422600B1 (fr) | 1978-04-10 | 1979-04-09 | Procede pour eliminer l'ammoniac et les sels d'ammonium des eaux residuaires industrielles |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS54136751A (fr) |
CA (1) | CA1131157A (fr) |
DE (1) | DE2914004A1 (fr) |
FR (1) | FR2422600B1 (fr) |
GB (1) | GB2020186A (fr) |
NL (1) | NL7803765A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2484390A1 (fr) * | 1979-02-21 | 1981-12-18 | Republic Steel Corp | Procede et dispositif pour le traitement d'eaux residuaires |
FR2517662A1 (fr) * | 1981-12-04 | 1983-06-10 | Kestner App Evaporateurs | Procede de depollution des effluents de la fabrication du nitrate d'ammonium et de recuperation des elements contenus dans lesdits effluents |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3137905A1 (de) * | 1980-11-12 | 1982-06-24 | USS Engineers and Consultants, Inc., 15230 Pittsburgh, Pa. | Verfahren zur entfernung von ammoniak und schwefelwasserstoff aus einem dampfstrom |
US4342735A (en) * | 1981-04-23 | 1982-08-03 | The Lummus Company | Stripping of aqueous ammonium carbonate solution |
JPH0686704B2 (ja) * | 1985-06-25 | 1994-11-02 | 新技術事業団 | セルロ−ス系物質の難燃化方法 |
CN103342401B (zh) * | 2013-07-24 | 2015-03-18 | 武汉钢铁(集团)公司 | 焦化剩余氨水分步蒸氨法 |
CN104556147A (zh) * | 2014-12-18 | 2015-04-29 | 成都华西堂投资有限公司 | 以焦化剩余氨水为原料制备scr还原剂的工艺 |
CN110878946B (zh) * | 2019-12-09 | 2021-07-20 | 上海黎明资源再利用有限公司 | 一种用于炉排式垃圾焚烧炉的一次风预热系统 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU513320B2 (en) * | 1975-11-19 | 1980-11-27 | Usx Engineers And Consultants, Inc. | Separating acid gases and ammonia from dilute aqueous solutions thereof |
-
1978
- 1978-04-10 NL NL7803765A patent/NL7803765A/xx not_active Application Discontinuation
-
1979
- 1979-04-06 GB GB7912151A patent/GB2020186A/en not_active Withdrawn
- 1979-04-06 DE DE19792914004 patent/DE2914004A1/de not_active Ceased
- 1979-04-09 FR FR7908985A patent/FR2422600B1/fr not_active Expired
- 1979-04-10 JP JP4260979A patent/JPS54136751A/ja active Pending
- 1979-04-10 CA CA325,267A patent/CA1131157A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2484390A1 (fr) * | 1979-02-21 | 1981-12-18 | Republic Steel Corp | Procede et dispositif pour le traitement d'eaux residuaires |
FR2517662A1 (fr) * | 1981-12-04 | 1983-06-10 | Kestner App Evaporateurs | Procede de depollution des effluents de la fabrication du nitrate d'ammonium et de recuperation des elements contenus dans lesdits effluents |
EP0081213A1 (fr) * | 1981-12-04 | 1983-06-15 | Appareils Et Evaporateurs Kestner | Procédé de dépollution des effluents de la fabrication du nitrate d'ammonium et de récupération des éléments contenus dans lesdits effluents |
Also Published As
Publication number | Publication date |
---|---|
CA1131157A (fr) | 1982-09-07 |
JPS54136751A (en) | 1979-10-24 |
DE2914004A1 (de) | 1979-10-18 |
GB2020186A (en) | 1979-11-14 |
NL7803765A (nl) | 1979-10-12 |
FR2422600B1 (fr) | 1984-12-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |