FR2272954A1 - Removing finely divided oil from effluent water - by adding an inorg (hydr) oxide absorbing agent, then an acid or alkali to dissolve the absorbent and to liberate the oil in large particles - Google Patents
Removing finely divided oil from effluent water - by adding an inorg (hydr) oxide absorbing agent, then an acid or alkali to dissolve the absorbent and to liberate the oil in large particlesInfo
- Publication number
- FR2272954A1 FR2272954A1 FR7516460A FR7516460A FR2272954A1 FR 2272954 A1 FR2272954 A1 FR 2272954A1 FR 7516460 A FR7516460 A FR 7516460A FR 7516460 A FR7516460 A FR 7516460A FR 2272954 A1 FR2272954 A1 FR 2272954A1
- Authority
- FR
- France
- Prior art keywords
- oil
- liberate
- dissolve
- alkali
- acid
- 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- Withdrawn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
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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0202—Separation of non-miscible liquids by ab- or adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/04—Breaking emulsions
- B01D17/045—Breaking emulsions with coalescers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/04—Breaking emulsions
- B01D17/047—Breaking emulsions with separation aids
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Lubricants (AREA)
- Colloid Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5874774A JPS5435418B2 (it) | 1974-05-27 | 1974-05-27 | |
JP11044074A JPS5137886A (ja) | 1974-09-27 | 1974-09-27 | Aburahoshuzai |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2272954A1 true FR2272954A1 (en) | 1975-12-26 |
Family
ID=26399767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7516460A Withdrawn FR2272954A1 (en) | 1974-05-27 | 1975-05-27 | Removing finely divided oil from effluent water - by adding an inorg (hydr) oxide absorbing agent, then an acid or alkali to dissolve the absorbent and to liberate the oil in large particles |
Country Status (7)
Country | Link |
---|---|
CH (1) | CH602495A5 (it) |
DE (1) | DE2522250A1 (it) |
DK (1) | DK230175A (it) |
FR (1) | FR2272954A1 (it) |
IT (1) | IT1038435B (it) |
NL (1) | NL7505945A (it) |
SE (1) | SE7505947L (it) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4102528A1 (de) * | 1991-01-29 | 1992-07-30 | Ernst Maier Fa | Verfahren und vorrichtung zum trennen von oel-wasser-gemischen |
EP1035076A2 (en) * | 1999-03-05 | 2000-09-13 | Empresa de Transformaci n Agraria, S.A. (TRAGSA) | Method for the treatment of water containing suspended or dissolved organic and/or inorganic matter by precipitation in situ of oxygenised compounds of titanium |
-
1975
- 1975-05-15 CH CH627475A patent/CH602495A5/xx not_active IP Right Cessation
- 1975-05-20 DE DE19752522250 patent/DE2522250A1/de active Pending
- 1975-05-21 NL NL7505945A patent/NL7505945A/xx not_active Application Discontinuation
- 1975-05-23 IT IT23682/75A patent/IT1038435B/it active
- 1975-05-23 DK DK230175A patent/DK230175A/da unknown
- 1975-05-26 SE SE7505947A patent/SE7505947L/xx unknown
- 1975-05-27 FR FR7516460A patent/FR2272954A1/fr not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4102528A1 (de) * | 1991-01-29 | 1992-07-30 | Ernst Maier Fa | Verfahren und vorrichtung zum trennen von oel-wasser-gemischen |
EP1035076A2 (en) * | 1999-03-05 | 2000-09-13 | Empresa de Transformaci n Agraria, S.A. (TRAGSA) | Method for the treatment of water containing suspended or dissolved organic and/or inorganic matter by precipitation in situ of oxygenised compounds of titanium |
EP1035076A3 (en) * | 1999-03-05 | 2000-12-20 | Empresa de Transformaci n Agraria, S.A. (TRAGSA) | Method for the treatment of water containing suspended or dissolved organic and/or inorganic matter by precipitation in situ of oxygenised compounds of titanium |
ES2159229A1 (es) * | 1999-03-05 | 2001-09-16 | Transformacion Agraria S A Tra | Metodo para el tratamiento de aguas que contienen materia organica y/o inorganica suspendida y/o disuelta por precipitacion in situ de compuestos oxigenados de titanio. |
Also Published As
Publication number | Publication date |
---|---|
IT1038435B (it) | 1979-11-20 |
SE7505947L (sv) | 1975-11-28 |
CH602495A5 (it) | 1978-07-31 |
DE2522250A1 (de) | 1975-12-18 |
NL7505945A (nl) | 1975-12-01 |
DK230175A (da) | 1975-11-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |