FR2115859A5 - Styrene polymn waste water - clarification - by flocculation with acrylic acid-contg polymers or their salts - Google Patents
Styrene polymn waste water - clarification - by flocculation with acrylic acid-contg polymers or their saltsInfo
- Publication number
- FR2115859A5 FR2115859A5 FR7141140A FR7141140A FR2115859A5 FR 2115859 A5 FR2115859 A5 FR 2115859A5 FR 7141140 A FR7141140 A FR 7141140A FR 7141140 A FR7141140 A FR 7141140A FR 2115859 A5 FR2115859 A5 FR 2115859A5
- Authority
- FR
- France
- Prior art keywords
- styrene
- waste water
- contg
- flocculation
- salts
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702057743 DE2057743C3 (de) | 1970-11-24 | Verfahren zur Reinigung von Abwasser, das bei der Herstellung von Styrol-Perlpolymerisaten anfällt |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2115859A5 true FR2115859A5 (en) | 1972-07-07 |
Family
ID=5788984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7141140A Expired FR2115859A5 (en) | 1970-11-24 | 1971-11-17 | Styrene polymn waste water - clarification - by flocculation with acrylic acid-contg polymers or their salts |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2115859A5 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0459147A2 (fr) * | 1990-05-04 | 1991-12-04 | BASF Aktiengesellschaft | Polymère styrénique expansible |
-
1971
- 1971-11-17 FR FR7141140A patent/FR2115859A5/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0459147A2 (fr) * | 1990-05-04 | 1991-12-04 | BASF Aktiengesellschaft | Polymère styrénique expansible |
EP0459147A3 (en) * | 1990-05-04 | 1992-04-29 | Basf Aktiengesellschaft | Expansible styrenic polymer |
Also Published As
Publication number | Publication date |
---|---|
DE2057743B2 (de) | 1977-05-26 |
DE2057743A1 (de) | 1972-05-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |