GB1447656A - Breaking-up of emulsions - Google Patents
Breaking-up of emulsionsInfo
- Publication number
- GB1447656A GB1447656A GB5885473A GB5885473A GB1447656A GB 1447656 A GB1447656 A GB 1447656A GB 5885473 A GB5885473 A GB 5885473A GB 5885473 A GB5885473 A GB 5885473A GB 1447656 A GB1447656 A GB 1447656A
- Authority
- GB
- United Kingdom
- Prior art keywords
- emulsion
- oil
- heating
- mixture
- iron
- 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
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/04—Working-up used lubricants to recover useful products ; Cleaning aqueous emulsion based
-
- 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
- B01D17/042—Breaking emulsions by changing the temperature
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Colloid Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Lubricants (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Edible Oils And Fats (AREA)
Abstract
1447656 Breaking oil-in-water emulsions FRIED KRUPP HUTTENWERKE AG 19 Dec 1973 [18 Jan 1973 15 Sept 1973] 58854/73 Heading C5E Spent oil-in-water emulsion containing a non- ionic emulsifier and an anion active emulsifier is broken by adding an aqueous solution, at pH 4-9, of an electrolyte consisting of at least one Group Ia and/or Group IIa metal salt, heating the emulsion to boiling, adding before or during the heating an iron or aluminium salt, blowing air through the mixture until the emulsifiers are destroyed, and allowing the mixture to stand and separate into oil and water phases. 1-20 kg. of sodium chloride or of magnesium chloride and 0À2-2 kg. of ferrous sulphate heptahydrate can be added per cubic metre of emulsion. A spent emulsion, from the cold rolling of pickled metal and containing 1-10 wt. per cent oil, can be treated by heating at its boiling point with steam for 3 hours, blowing in air to oxidize divalent iron to trivalent iron, and leaving the mixture to stand.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2302369A DE2302369C2 (en) | 1973-01-18 | 1973-01-18 | Process for the splitting of used cold-rolling emulsions and other oil-in-water emulsion systems with non-ionogenic, anion-active emulsifiers |
| DE2346604A DE2346604C3 (en) | 1973-01-18 | 1973-09-15 | Process for splitting used cold-rolling emulsions and other oil-in-water emulsions with non-ionic and anion-active emulsifiers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1447656A true GB1447656A (en) | 1976-08-25 |
Family
ID=25764543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5885473A Expired GB1447656A (en) | 1973-01-18 | 1973-12-19 | Breaking-up of emulsions |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS49102579A (en) |
| AT (1) | AT330683B (en) |
| BE (1) | BE807972A (en) |
| CA (1) | CA1021220A (en) |
| CH (1) | CH583057A5 (en) |
| DE (2) | DE2302369C2 (en) |
| ES (1) | ES420575A1 (en) |
| FR (1) | FR2214744A1 (en) |
| GB (1) | GB1447656A (en) |
| IT (1) | IT1012120B (en) |
| LU (1) | LU69165A1 (en) |
| NL (1) | NL156061B (en) |
| SE (1) | SE402406B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5320413Y2 (en) * | 1974-08-26 | 1978-05-30 | ||
| JPS5129019U (en) * | 1974-08-26 | 1976-03-02 | ||
| DE4228096A1 (en) * | 1992-08-26 | 1994-03-03 | Gfr Ges Fuer Recycling Mbh | Sepn. of emulsified oil from bath waste water - uses activator and additive to float emulsified oil mixt. for removal and disposal with recycling of cleaned water. |
| DE9407292U1 (en) * | 1994-05-02 | 1994-07-14 | Rietbergwerke GmbH & Co KG, 33397 Rietberg | Device for the maintenance of cooling lubricants |
-
1973
- 1973-01-18 DE DE2302369A patent/DE2302369C2/en not_active Expired
- 1973-09-15 DE DE2346604A patent/DE2346604C3/en not_active Expired
- 1973-11-05 NL NL7315126.A patent/NL156061B/en unknown
- 1973-11-15 ES ES420575A patent/ES420575A1/en not_active Expired
- 1973-11-29 BE BE138306A patent/BE807972A/en unknown
- 1973-12-19 GB GB5885473A patent/GB1447656A/en not_active Expired
- 1973-12-28 FR FR7347027A patent/FR2214744A1/fr not_active Withdrawn
-
1974
- 1974-01-03 CA CA189,390A patent/CA1021220A/en not_active Expired
- 1974-01-15 IT IT19430/74A patent/IT1012120B/en active
- 1974-01-15 CH CH51974A patent/CH583057A5/xx not_active IP Right Cessation
- 1974-01-15 LU LU69165A patent/LU69165A1/xx unknown
- 1974-01-17 SE SE7400608A patent/SE402406B/en unknown
- 1974-01-17 AT AT37174*#A patent/AT330683B/en not_active IP Right Cessation
- 1974-01-18 JP JP49007932A patent/JPS49102579A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ES420575A1 (en) | 1976-07-01 |
| JPS49102579A (en) | 1974-09-27 |
| DE2302369B1 (en) | 1974-05-02 |
| BE807972A (en) | 1974-03-15 |
| DE2346604C3 (en) | 1984-04-05 |
| SE402406B (en) | 1978-07-03 |
| DE2302369C2 (en) | 1975-01-23 |
| ATA37174A (en) | 1975-09-15 |
| LU69165A1 (en) | 1974-04-08 |
| CH583057A5 (en) | 1976-12-31 |
| NL7315126A (en) | 1974-07-22 |
| DE2346604B2 (en) | 1977-05-18 |
| DE2346604A1 (en) | 1975-04-24 |
| AT330683B (en) | 1976-07-12 |
| FR2214744A1 (en) | 1974-08-19 |
| CA1021220A (en) | 1977-11-22 |
| IT1012120B (en) | 1977-03-10 |
| NL156061B (en) | 1978-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |