RU95120899A - METHOD FOR OBTAINING STABLE BIMODAL EMULSIONS - Google Patents
METHOD FOR OBTAINING STABLE BIMODAL EMULSIONSInfo
- Publication number
- RU95120899A RU95120899A RU95120899/04A RU95120899A RU95120899A RU 95120899 A RU95120899 A RU 95120899A RU 95120899/04 A RU95120899/04 A RU 95120899/04A RU 95120899 A RU95120899 A RU 95120899A RU 95120899 A RU95120899 A RU 95120899A
- Authority
- RU
- Russia
- Prior art keywords
- ppm
- equal
- mixing
- emulsion
- aqueous buffer
- Prior art date
Links
- 239000000839 emulsion Substances 0.000 title claims 17
- 230000002902 bimodal Effects 0.000 title claims 8
- 150000002430 hydrocarbons Chemical class 0.000 claims 19
- 239000004215 Carbon black (E152) Substances 0.000 claims 18
- 239000012062 aqueous buffer Substances 0.000 claims 14
- 239000000654 additive Substances 0.000 claims 13
- 230000000996 additive Effects 0.000 claims 13
- 239000000243 solution Substances 0.000 claims 12
- 150000001412 amines Chemical class 0.000 claims 8
- UIIMBOGNXHQVGW-UHFFFAOYSA-M buffer Substances [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims 7
- 239000000203 mixture Substances 0.000 claims 7
- HQABUPZFAYXKJW-UHFFFAOYSA-N N-Butylamine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 claims 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims 6
- 239000011780 sodium chloride Substances 0.000 claims 6
- 235000002639 sodium chloride Nutrition 0.000 claims 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 6
- 239000004094 surface-active agent Substances 0.000 claims 5
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N Calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims 4
- YIXJRHPUWRPCBB-UHFFFAOYSA-N Magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 claims 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L MgCl2 Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N Potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N Sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims 4
- -1 alkali metal salts Chemical class 0.000 claims 4
- 125000000217 alkyl group Chemical group 0.000 claims 4
- 235000011114 ammonium hydroxide Nutrition 0.000 claims 4
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 4
- ZMANZCXQSJIPKH-UHFFFAOYSA-N triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims 4
- IIFFFBSAXDNJHX-UHFFFAOYSA-N 2-methyl-N,N-bis(2-methylpropyl)propan-1-amine Chemical compound CC(C)CN(CC(C)C)CC(C)C IIFFFBSAXDNJHX-UHFFFAOYSA-N 0.000 claims 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims 2
- HPNMFZURTQLUMO-UHFFFAOYSA-N Diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 claims 2
- WEHWNAOGRSTTBQ-UHFFFAOYSA-N Dipropylamine Chemical compound CCCNCCC WEHWNAOGRSTTBQ-UHFFFAOYSA-N 0.000 claims 2
- JJWLVOIRVHMVIS-UHFFFAOYSA-N Isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 claims 2
- WGYKZJWCGVVSQN-UHFFFAOYSA-N Propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 claims 2
- 229910052783 alkali metal Inorganic materials 0.000 claims 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 2
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 claims 2
- 125000005210 alkyl ammonium group Chemical group 0.000 claims 2
- 235000019270 ammonium chloride Nutrition 0.000 claims 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims 2
- 239000000908 ammonium hydroxide Substances 0.000 claims 2
- 150000003863 ammonium salts Chemical class 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 239000006172 buffering agent Substances 0.000 claims 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L cacl2 Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims 2
- 239000001110 calcium chloride Substances 0.000 claims 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 claims 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N ethyl amine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 claims 2
- 238000005755 formation reaction Methods 0.000 claims 2
- 229910001629 magnesium chloride Inorganic materials 0.000 claims 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 claims 2
- QDHHCQZDFGDHMP-UHFFFAOYSA-N monochloramine Chemical compound ClN QDHHCQZDFGDHMP-UHFFFAOYSA-N 0.000 claims 2
- 239000002245 particle Substances 0.000 claims 2
- 239000001103 potassium chloride Substances 0.000 claims 2
- 235000011164 potassium chloride Nutrition 0.000 claims 2
- 235000011118 potassium hydroxide Nutrition 0.000 claims 2
- 239000004323 potassium nitrate Substances 0.000 claims 2
- 235000010333 potassium nitrate Nutrition 0.000 claims 2
- 235000011121 sodium hydroxide Nutrition 0.000 claims 2
- 239000004317 sodium nitrate Substances 0.000 claims 2
- 235000010344 sodium nitrate Nutrition 0.000 claims 2
- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 claims 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L Magnesium hydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Natural products OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 230000003139 buffering Effects 0.000 claims 1
- 150000001735 carboxylic acids Chemical class 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 239000000284 extract Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxyl anion Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 239000000347 magnesium hydroxide Substances 0.000 claims 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims 1
- 150000002989 phenols Chemical class 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- DVUVKWLUHXXIHK-UHFFFAOYSA-N tetraazanium;tetrahydroxide Chemical compound [NH4+].[NH4+].[NH4+].[NH4+].[OH-].[OH-].[OH-].[OH-] DVUVKWLUHXXIHK-UHFFFAOYSA-N 0.000 claims 1
Claims (1)
(а) получение вязкого углеводорода, содержащего неактивное природное поверхностно-активное вещество;
(b) образование водного буферного раствора, содержащего воду, щелочную добавку в количестве, большем или равном около 30 ч/млн, и буферную добавку в количестве, большем или равном около 4000 ч/млн, и имеющего рН, большее или равное около 11;
(с) смешивание вязкого углеводорода с водным буфером в отношении между около 50 : 50 и 80 : 20 при энергии первого смешивания, чтобы образовать мономодальную эмульсию вязкого углеводорода в водном буферном растворе, имеющую средний размер углеводородных капелек, меньший или равный около 5 микронам, в результате чего буферная добавка экстрагирует неактивное природное поверхностно-активное вещество из вязкого углеводорода, чтобы стабилизировать эмульсию;
(d) добавление воды в мономодальную эмульсию, чтобы образовать разбавленную мономодальную эмульсию; и
(е) смешивание дополнительного вязкого углеводорода с разбавленной мономодальной эмульсией при энергии второго смешивания, достаточной для образования стабильной бимодальной эмульсии вязкого углеводорода в водном буферном растворе, имеющем следующие физические и химические свойства: отношение углеводорода к водному буферному раствору между около 60 : 40 и 80 : 40, средний размер маленьких углеводородных капель (Ds), меньший или равный около 5 мкм, и средний размер больших углеводородных капелек (D1), меньший или равный около 30 мкм.1. A method of obtaining a stable bimodal emulsion of viscous hydrocarbons in aqueous buffer solutions, containing stages:
(a) obtaining a viscous hydrocarbon containing an inactive natural surfactant;
(b) the formation of an aqueous buffer solution containing water, an alkaline additive in an amount greater than or equal to about 30 ppm, and a buffering additive in an amount greater than or equal to about 4000 ppm, and having a pH greater than or equal to about 11;
(c) mixing the viscous hydrocarbon with the aqueous buffer in a ratio of between about 50:50 and 80:20 when the energy of the first mixing is to form a monomodal emulsion of the viscous hydrocarbon in an aqueous buffer solution having an average size of hydrocarbon droplets less than or equal to about 5 microns, resulting in a buffering agent that extracts an inactive natural surfactant from a viscous hydrocarbon to stabilize the emulsion;
(d) adding water to the monomodal emulsion to form a diluted monomodal emulsion; and
(e) mixing an additional viscous hydrocarbon with a diluted monomodal emulsion with a second mixing energy sufficient to form a stable bimodal viscous hydrocarbon emulsion in an aqueous buffer solution having the following physical and chemical properties: the ratio of hydrocarbon to aqueous buffer solution is between about 60: 40 and 80: 40, the average size of small hydrocarbon droplets (D s ) is less than or equal to about 5 microns, and the average size of large hydrocarbon droplets (D 1 ) is less than or equal to about 30 microns.
15. Способ по п. 1, отличающийся тем, что энергия первого смешивания находится между около 60000 и 200000 Дж/м3.14. The method according to claim 1, characterized in that from about 70% to about 90% by weight of a viscous hydrocarbon is contained in large droplets D α
15. The method according to claim 1, wherein the energy of the first mixing is between about 60,000 and 200,000 J / m 3 .
(а) получение вязкого углеводорода, содержащего неактивное природное поверхностно-активное вещество;
(b) образование водного буферного раствора, содержащего воду, щелочную добавку в количестве, большем или равном около 30 ч/млн, и буферную добавку в количестве, большем или равном около 1000 ч/млн, и имеющего рН, большее или равное около 11;
(с) смешивание вязкого углеводорода с водным буфером в отношении между около 50 : 50 и 95 : 5 при энергии первого смешивания, чтобы образовать мономодальную эмульсию вязкого углеводорода в водном буферном растворе, имеющую средний размер углеводородных капелек, меньший или равный около 5 мкм, в результате чего буферная добавка экстрагирует неактивное природное поверхностно-активное вещество из вязкого углеводорода, чтобы стабилизировать эмульсию.24. A method of obtaining a stable monomodal emulsion of a viscous hydrocarbon in an aqueous buffer solution, comprising the steps of:
(a) obtaining a viscous hydrocarbon containing an inactive natural surfactant;
(b) the formation of an aqueous buffer solution containing water, an alkaline additive in an amount greater than or equal to about 30 ppm, and a buffer additive in an amount greater than or equal to about 1000 ppm, and having a pH greater than or equal to about 11;
(c) mixing the viscous hydrocarbon with the aqueous buffer in a ratio of between about 50:50 and 95: 5 with the energy of the first mixing to form a monomodal emulsion of the viscous hydrocarbon in the aqueous buffer solution having an average size of hydrocarbon droplets less than or equal to about 5 microns, resulting in a buffering agent extracting an inactive natural surfactant from a viscous hydrocarbon to stabilize the emulsion.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/355,440 US5603864A (en) | 1991-12-02 | 1994-12-13 | Method for the preparation of viscous hydrocarbon in aqueous buffer solution emulsions |
US08/355.440 | 1994-12-13 | ||
US08/355,440 | 1994-12-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2091444C1 RU2091444C1 (en) | 1997-09-27 |
RU95120899A true RU95120899A (en) | 1997-11-27 |
Family
ID=23397449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU95120899A RU2091444C1 (en) | 1994-12-13 | 1995-12-08 | Method for production of stable bimodal emulsion |
Country Status (14)
Country | Link |
---|---|
US (1) | US5603864A (en) |
JP (1) | JP2749544B2 (en) |
KR (1) | KR0152718B1 (en) |
CN (1) | CN1065780C (en) |
BR (1) | BR9505716A (en) |
CA (1) | CA2164902C (en) |
DE (1) | DE19546515C2 (en) |
DK (1) | DK175954B1 (en) |
ES (1) | ES2121674B1 (en) |
FR (1) | FR2727874B1 (en) |
GB (1) | GB2295972B (en) |
IT (1) | IT1281042B1 (en) |
NL (1) | NL1001869C2 (en) |
RU (1) | RU2091444C1 (en) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2205294A1 (en) * | 1996-05-23 | 1997-11-23 | Kao Corporation | Method for producing superheavy oil emulsion fuel and fuel produced thereby |
US5997590A (en) * | 1996-11-13 | 1999-12-07 | Quantum Energy Technologies Corp. | Stabilized water nanocluster-fuel emulsions designed through quantum chemistry |
US5800576A (en) * | 1996-11-13 | 1998-09-01 | Quantum Energy Technologies Corporation | Water clusters and uses therefor |
US5792223A (en) * | 1997-03-21 | 1998-08-11 | Intevep, S.A. | Natural surfactant with amines and ethoxylated alcohol |
US5902227A (en) * | 1997-07-17 | 1999-05-11 | Intevep, S.A. | Multiple emulsion and method for preparing same |
JP3236249B2 (en) | 1997-09-03 | 2001-12-10 | 廣次 野原 | Oil-water emulsion fuel |
US6656236B1 (en) | 1997-12-12 | 2003-12-02 | Clean Fuel Technology, Inc. | Constant heating value aqueous fuel mixture and method for formulating the same |
US6010544A (en) * | 1997-12-18 | 2000-01-04 | Quantum Energy Technologies | Supercritical water fuel composition and combustion system |
US6447556B1 (en) * | 1998-02-17 | 2002-09-10 | Clean Fuel Technology, Inc. | Fuel emulsion blending system |
US5873916A (en) * | 1998-02-17 | 1999-02-23 | Caterpillar Inc. | Fuel emulsion blending system |
US6069178A (en) * | 1998-04-09 | 2000-05-30 | Intevep, S.A. | Emulsion with coke additive in hydrocarbon phase and process for preparing same |
US7279017B2 (en) * | 2001-04-27 | 2007-10-09 | Colt Engineering Corporation | Method for converting heavy oil residuum to a useful fuel |
FR2827271B1 (en) * | 2001-07-11 | 2003-09-05 | Mexel | PROCESS FOR TREATING WATER AND SURFACES IN CONTACT WITH SAID WATER WITH A VIEW TO PREVENTING AND / OR ELIMINATING AND / OR CONTROLLING FIXATION OF MACROORGANISMS AND COMPOSITION FOR CARRYING OUT SAID METHOD |
WO2003016439A1 (en) * | 2001-08-13 | 2003-02-27 | Clean Fuels Technology, Inc. | Water-in-oil emulsion fuel |
US7344570B2 (en) * | 2001-08-24 | 2008-03-18 | Clean Fuels Technology, Inc. | Method for manufacturing an emulsified fuel |
MY140444A (en) * | 2002-04-25 | 2009-12-31 | Shell Int Research | Diesel fuel compositions |
CN1856562B (en) * | 2003-09-03 | 2010-06-23 | 国际壳牌研究有限公司 | Fuel compositions, preparation method and use thereof |
AU2004269169B2 (en) * | 2003-09-03 | 2008-11-13 | Shell Internationale Research Maatschappij B.V. | Fuel compositions comprising Fischer-Tropsch derived fuel |
US7341102B2 (en) * | 2005-04-28 | 2008-03-11 | Diamond Qc Technologies Inc. | Flue gas injection for heavy oil recovery |
ATE491861T1 (en) * | 2006-02-07 | 2011-01-15 | Diamond Qc Technologies Inc | FLUE GAS INJECTION ENRICHED WITH CARBON DIOXIDE FOR HYDROCARBON EXTRACTION |
KR100804574B1 (en) * | 2006-06-20 | 2008-02-20 | 박수환 | Manufacturing apparatus of alternative combustion fuel for industrial boiler and manufacturing meihod of alternative combustion fuel for industrial boiler |
FR2903991B1 (en) * | 2006-07-19 | 2012-05-04 | Eurovia | BITUMINOUS COMPOSITION, METHOD FOR MANUFACTURING THE SAME AND USE THEREOF IN ROAD TECHNOLOGY |
EP1935969A1 (en) * | 2006-12-18 | 2008-06-25 | Diamond QC Technologies Inc. | Multiple polydispersed fuel emulsion |
US20080148626A1 (en) * | 2006-12-20 | 2008-06-26 | Diamond Qc Technologies Inc. | Multiple polydispersed fuel emulsion |
US20110077311A1 (en) * | 2009-09-25 | 2011-03-31 | Chevron U.S.A. Inc. | Method for handling viscous liquid crude hydrocarbons |
US7818969B1 (en) | 2009-12-18 | 2010-10-26 | Energyield, Llc | Enhanced efficiency turbine |
FR3033795B1 (en) * | 2015-03-20 | 2017-03-17 | Eurovia | CONTINUOUS PREPARATION OF CATIONIC BITUMEN EMULSIONS |
LT3365415T (en) | 2015-11-06 | 2020-01-27 | Quadrise International Ltd | Oil-in-water emulsions |
WO2018206904A2 (en) | 2017-05-10 | 2018-11-15 | Quadrise International Ltd | Oil-in-water emulsions |
CN107858178A (en) * | 2017-11-22 | 2018-03-30 | 深圳市国能环保科技有限公司 | A kind of oil emulsion of Effictive nuisancelless and preparation method thereof |
DE102018205817A1 (en) * | 2018-04-17 | 2019-10-17 | Benninghoven Gmbh & Co. Kg | Plant for producing bitumen mixture and method for producing bitumen mixture |
CA3104333A1 (en) * | 2018-07-02 | 2020-01-09 | Heritage Research Group | Composition and method for treating an asphalt pavement with a void-filling asphalt emulsion |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3487844A (en) * | 1966-01-03 | 1970-01-06 | Chevron Res | Pipelining crude oil |
US3526839A (en) * | 1967-03-03 | 1970-09-01 | Fischer & Porter Co | Electronic controller for process control system |
US3380531A (en) * | 1967-05-18 | 1968-04-30 | Chevron Res | Method of pumping viscous crude |
JPS53111306A (en) * | 1977-03-10 | 1978-09-28 | Toyo Tire & Rubber Co Ltd | Spray combustion of high-viscosity emulsion fuel |
JPS57102991A (en) * | 1980-12-17 | 1982-06-26 | Nippon Kaihatsu Consultant:Kk | Method of heating and dissolving high-viscosity heavy oil |
US4801304A (en) * | 1986-06-17 | 1989-01-31 | Intevep, S.A. | Process for the production and burning of a natural-emulsified liquid fuel |
US5283001A (en) * | 1986-11-24 | 1994-02-01 | Canadian Occidental Petroleum Ltd. | Process for preparing a water continuous emulsion from heavy crude fraction |
US5354504A (en) * | 1991-08-19 | 1994-10-11 | Intevep, S.A. | Method of preparation of emulsions of viscous hydrocarbon in water which inhibits aging |
US5480583A (en) * | 1991-12-02 | 1996-01-02 | Intevep, S.A. | Emulsion of viscous hydrocarbon in aqueous buffer solution and method for preparing same |
US5419852A (en) * | 1991-12-02 | 1995-05-30 | Intevep, S.A. | Bimodal emulsion and its method of preparation |
JPH0770574A (en) * | 1993-09-03 | 1995-03-14 | Kao Corp | Heavy-oil-based emulsion fuel composition and its production |
-
1994
- 1994-12-13 US US08/355,440 patent/US5603864A/en not_active Expired - Lifetime
-
1995
- 1995-11-13 GB GB9523195A patent/GB2295972B/en not_active Expired - Fee Related
- 1995-11-22 IT ITTO950937 patent/IT1281042B1/en active IP Right Grant
- 1995-11-30 DK DK199501352A patent/DK175954B1/en not_active IP Right Cessation
- 1995-12-06 FR FR9514419A patent/FR2727874B1/en not_active Expired - Fee Related
- 1995-12-08 RU RU95120899A patent/RU2091444C1/en not_active IP Right Cessation
- 1995-12-08 JP JP31991295A patent/JP2749544B2/en not_active Expired - Fee Related
- 1995-12-08 BR BR9505716A patent/BR9505716A/en not_active IP Right Cessation
- 1995-12-11 CA CA 2164902 patent/CA2164902C/en not_active Expired - Fee Related
- 1995-12-11 NL NL1001869A patent/NL1001869C2/en not_active IP Right Cessation
- 1995-12-12 ES ES9502442A patent/ES2121674B1/en not_active Expired - Fee Related
- 1995-12-12 KR KR1019950048701A patent/KR0152718B1/en not_active IP Right Cessation
- 1995-12-13 CN CN95120437A patent/CN1065780C/en not_active Expired - Fee Related
- 1995-12-13 DE DE19546515A patent/DE19546515C2/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU95120899A (en) | METHOD FOR OBTAINING STABLE BIMODAL EMULSIONS | |
KR960022959A (en) | Process for preparing viscous hydrocarbon emulsion in buffered aqueous solution | |
KR940018453A (en) | Viscous hydrocarbon emulsion in buffered aqueous solution and preparation method thereof | |
CA1078160A (en) | Aqueous anionic surfactant systems | |
US4013569A (en) | Aqueous anionic surfactant systems containing aromatic ether polysulfonates | |
RU2001129710A (en) | LIQUID COMPOSITIONS CONTAINING AN AGENT AFFECTING THE SKIN | |
BRPI0816159B1 (en) | OPTIMIZED OIL RECOVERY PROCESS | |
NO334462B1 (en) | Foamed, acid treatment fluids | |
ES2038083B1 (en) | METHOD FOR PREPARING AN EMULSION OF HYDROCARBON IN WATER THAT INHIBITS AGING. | |
SE9500264D0 (en) | Preparation of aluminum salt solutions | |
KR910011641A (en) | Method for preparing colloidal dispersion of cerium IV compound in aqueous medium and the dispersion obtained | |
EP0032072A1 (en) | Surfactant compositions useful in enhanced oil recovery processes | |
US4493371A (en) | Recovering oil by injecting aqueous alkali, cosurfactant and gas | |
US4203491A (en) | Chemical flood oil recovery with highly saline reservoir water | |
RU94045797A (en) | Method for oil recovery | |
CA2113597A1 (en) | Stable Emulsion of Viscous Crude Hydrocarbon in Aqueous Buffer Solution and Method for Forming and Transporting Same | |
US3943059A (en) | Process of displacing oil in subterranean reservoir employing aqueous surfactant systems | |
US4513820A (en) | Method of extracting and reutilizing surfactants from emulsions | |
CN109666473A (en) | Surfactant binary built flooding method | |
DK200500725A (en) | Process for Preparing Stable Car Modal Emulsions of Viscous Hydrocarbons in Aqueous Buffer Solutions | |
US4316809A (en) | Micellar fluid for low and high hardness crude oil displacement | |
RU2652409C1 (en) | Acid composition for processing the surface zone of carbonate formation | |
KR970033008A (en) | Silicone antifoam composition | |
US4862963A (en) | Cosurfactant enhanced alkaline flooding in an anhydrite formation | |
SU1002014A1 (en) | Enclosing rock depressor for ore floation |