FR2000844A1 - Waste waters treated to prevent barium and - strontium sulphates precipitation - Google Patents
Waste waters treated to prevent barium and - strontium sulphates precipitationInfo
- Publication number
- FR2000844A1 FR2000844A1 FR6901558A FR6901558A FR2000844A1 FR 2000844 A1 FR2000844 A1 FR 2000844A1 FR 6901558 A FR6901558 A FR 6901558A FR 6901558 A FR6901558 A FR 6901558A FR 2000844 A1 FR2000844 A1 FR 2000844A1
- Authority
- FR
- France
- Prior art keywords
- precipitation
- waste waters
- sulphates
- waters treated
- prevent barium
- 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- Withdrawn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
- 239000002351 wastewater Substances 0.000 title abstract 3
- 238000001556 precipitation Methods 0.000 title abstract 2
- 229910052788 barium Inorganic materials 0.000 title 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 title 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 abstract 2
- 229910052923 celestite Inorganic materials 0.000 abstract 1
- 235000011180 diphosphates Nutrition 0.000 abstract 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/086—Condensed phosphates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/083—Mineral agents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681642410 DE1642410A1 (de) | 1968-01-26 | 1968-01-26 | Verfahren zur Verhinderung von Bariumsulfat-und/oder Strontiumsolfatausfaellungen bei der Zusammenfuehrung von barium-und/oder strontium- und sulfathaltigen Abwaessern,insbesondere von Grubenwaessern im Untertagebetrieb des Kohlenbergbaus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2000844A1 true FR2000844A1 (en) | 1969-09-12 |
Family
ID=5684186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR6901558A Withdrawn FR2000844A1 (en) | 1968-01-26 | 1969-01-27 | Waste waters treated to prevent barium and - strontium sulphates precipitation |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE727313A (pm) |
| DE (1) | DE1642410A1 (pm) |
| FR (1) | FR2000844A1 (pm) |
| NL (1) | NL6901247A (pm) |
-
1968
- 1968-01-26 DE DE19681642410 patent/DE1642410A1/de active Pending
-
1969
- 1969-01-23 BE BE727313D patent/BE727313A/xx unknown
- 1969-01-24 NL NL6901247A patent/NL6901247A/xx unknown
- 1969-01-27 FR FR6901558A patent/FR2000844A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE1642410A1 (de) | 1971-05-06 |
| NL6901247A (pm) | 1969-07-29 |
| BE727313A (pm) | 1969-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES338046A1 (es) | Un metodo de tratar liquidos residuales. | |
| IL38198A (en) | Treatment of water or aqueous systems | |
| GB1055348A (en) | Sewage sludge treatment process | |
| CA932648A (en) | Liquid and sludge treatment | |
| GB1021123A (en) | Method of separation of radium | |
| FR2000844A1 (en) | Waste waters treated to prevent barium and - strontium sulphates precipitation | |
| ZA71586B (en) | Treatment of brine | |
| GB1163599A (en) | Water-conditioning or sewage treatment plant | |
| FR2129035A5 (en) | Effluent treatment - by flocculation with activated lime followed by sepn | |
| AU3954672A (en) | Activated sludge sewage treatment process and system | |
| ES377373A1 (es) | Un procedimiento para obtener el contenido de cromo de lo- dos residuales que contienen solidos de cromato de bario. | |
| AU3389971A (en) | Improvements in or relating tothe treatment of minerals | |
| CA972652A (en) | Treatment of sewage or contaminated water | |
| GB1185164A (en) | Improvements in or relating to the Treatment of Sewage and other Organic Sludges | |
| GB1023609A (en) | Process for the purification and solidification of liquid sludge of low solids content | |
| FR2068854A6 (en) | Water treatment with finely divided dolomite | |
| BE767618A (en) | Dense gypsum prodn by seeding sulphuric acid and lime mixture - with gypsum | |
| FR2156729A1 (en) | Activated sludge conditioning - prior to dehydration and/or destruction | |
| FR2129981A1 (fr) | Procede et dispositif pour traiter le corps humain a une mini-radioactivite benefique | |
| Nupen | The isolation of viruses from sewage and treated sewage effluents | |
| FR2108992A1 (en) | Penicillin v - ampicillin mixtures - gram positive and negative antibacterials | |
| CA855677A (en) | Radiation treatment of mine waste waters | |
| FR2150956A1 (en) | Acetazolamide /paracetamol enteric compsn - for relief of premenstrual tension | |
| FR1494983A (fr) | Perfectionnements aux dispositifs pour le traitement des eaux usées, ou pour l'oxygénation et l'aération des nappes d'eau naturelles | |
| FR2068444A1 (en) | Calcium magnesium bromolactobionate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |