FR791990A - Device for the production of scum for waste water clarification plants by the flotation process using scum - Google Patents
Device for the production of scum for waste water clarification plants by the flotation process using scumInfo
- Publication number
- FR791990A FR791990A FR791990DA FR791990A FR 791990 A FR791990 A FR 791990A FR 791990D A FR791990D A FR 791990DA FR 791990 A FR791990 A FR 791990A
- Authority
- FR
- France
- Prior art keywords
- scum
- production
- waste water
- flotation process
- water clarification
- 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.)
- Expired
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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Physical Water Treatments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEM129687D DE662868C (en) | 1935-01-08 | 1935-01-08 | Process for clearing industrial and urban waste water |
Publications (1)
Publication Number | Publication Date |
---|---|
FR791990A true FR791990A (en) | 1935-12-20 |
Family
ID=28798222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR791990D Expired FR791990A (en) | 1935-01-08 | 1935-07-02 | Device for the production of scum for waste water clarification plants by the flotation process using scum |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE410202A (en) |
DE (1) | DE662868C (en) |
DK (1) | DK53258C (en) |
FR (1) | FR791990A (en) |
GB (1) | GB451202A (en) |
NL (1) | NL42350C (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2477671A (en) * | 1944-11-29 | 1949-08-02 | Diamond Alkali Co | Purification of alkylation mixtures |
DE2939813A1 (en) * | 1979-08-29 | 1981-04-02 | BBC AG Brown, Boveri & Cie., Baden, Aargau | FLOTATION METHOD FOR WASTEWATER PURIFICATION |
-
0
- NL NL42350D patent/NL42350C/xx active
- BE BE410202D patent/BE410202A/xx unknown
-
1935
- 1935-01-08 DE DEM129687D patent/DE662868C/en not_active Expired
- 1935-07-02 FR FR791990D patent/FR791990A/en not_active Expired
- 1935-12-18 DK DK53258D patent/DK53258C/en active
-
1936
- 1936-01-06 GB GB475/36A patent/GB451202A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE410202A (en) | |
GB451202A (en) | 1936-07-31 |
DK53258C (en) | 1937-06-21 |
NL42350C (en) | |
DE662868C (en) | 1938-07-23 |
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