CA1148834A - Separation des composantes d'emulsions d'eau et d'huile - Google Patents

Separation des composantes d'emulsions d'eau et d'huile

Info

Publication number: CA1148834A
Authority: CA; Canada
Prior art keywords: acid; formic acid; emulsion; oil; formic
Prior art date: 1980-11-17
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

Application number

CA000364828A

Other languages

English (en)

Inventor

J. Redmond Farnand

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

National Research Council of Canada

Original Assignee

National Research Council of Canada

Priority date (The priority date 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 date listed.)

1980-11-17

Filing date

1980-11-17

Publication date

1983-06-28

1980-11-17 Application filed by National Research Council of Canada filed Critical National Research Council of Canada

1980-11-17 Priority to CA000364828A priority Critical patent/CA1148834A/fr

1983-06-28 Application granted granted Critical

1983-06-28 Publication of CA1148834A publication Critical patent/CA1148834A/fr

Status Expired legal-status Critical Current

Links

239000000839 emulsion Substances 0.000 title claims abstract description 59
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 42
BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims abstract description 90
MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 58
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 52
235000019253 formic acid Nutrition 0.000 claims abstract description 46
OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims abstract description 44
239000002253 acid Substances 0.000 claims abstract description 31
235000006408 oxalic acid Nutrition 0.000 claims abstract description 20
239000000203 mixture Substances 0.000 claims abstract description 16
239000000654 additive Substances 0.000 claims abstract description 15
230000000996 additive effect Effects 0.000 claims abstract description 10
238000011065 in-situ storage Methods 0.000 claims abstract description 7
238000011084 recovery Methods 0.000 claims abstract description 6
235000010269 sulphur dioxide Nutrition 0.000 claims abstract description 3
239000012071 phase Substances 0.000 claims description 34
238000000034 method Methods 0.000 claims description 22
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
239000003795 chemical substances by application Substances 0.000 claims description 11
239000008346 aqueous phase Substances 0.000 claims description 8
239000010426 asphalt Substances 0.000 claims description 7
238000005191 phase separation Methods 0.000 claims description 7
239000003208 petroleum Substances 0.000 claims description 5
238000013019 agitation Methods 0.000 claims description 3
239000007864 aqueous solution Substances 0.000 claims description 3
238000004581 coalescence Methods 0.000 claims description 3
238000002347 injection Methods 0.000 claims description 3
239000007924 injection Substances 0.000 claims description 3
BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 claims description 2
239000007788 liquid Substances 0.000 claims description 2
229910052783 alkali metal Inorganic materials 0.000 claims 1
150000001340 alkali metals Chemical class 0.000 claims 1
239000002585 base Substances 0.000 claims 1
238000006243 chemical reaction Methods 0.000 claims 1
LKKILQHGLXFCMP-UHFFFAOYSA-N formic acid oxalic acid Chemical compound OC=O.OC(=O)C(O)=O.OC(=O)C(O)=O LKKILQHGLXFCMP-UHFFFAOYSA-N 0.000 claims 1
239000003381 stabilizer Substances 0.000 claims 1
239000002912 waste gas Substances 0.000 claims 1
239000011275 tar sand Substances 0.000 abstract description 9
239000003921 oil Substances 0.000 description 23
150000007513 acids Chemical class 0.000 description 16
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
239000004927 clay Substances 0.000 description 15
150000003839 salts Chemical class 0.000 description 7
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
239000000295 fuel oil Substances 0.000 description 6
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
239000000470 constituent Substances 0.000 description 5
238000010494 dissociation reaction Methods 0.000 description 5
230000005593 dissociations Effects 0.000 description 5
230000000694 effects Effects 0.000 description 5
-1 sulfuric Chemical class 0.000 description 5
239000003513 alkali Substances 0.000 description 4
229910052782 aluminium Inorganic materials 0.000 description 4
150000001768 cations Chemical class 0.000 description 4
239000000284 extract Substances 0.000 description 4
229910052500 inorganic mineral Inorganic materials 0.000 description 4
239000011707 mineral Substances 0.000 description 4
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 description 3
239000010779 crude oil Substances 0.000 description 3
238000002474 experimental method Methods 0.000 description 3
229910052742 iron Inorganic materials 0.000 description 3
229910052708 sodium Inorganic materials 0.000 description 3
239000011734 sodium Substances 0.000 description 3
239000000243 solution Substances 0.000 description 3
239000002699 waste material Substances 0.000 description 3
FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
125000001931 aliphatic group Chemical group 0.000 description 2
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
159000000032 aromatic acids Chemical class 0.000 description 2
WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
239000006227 byproduct Substances 0.000 description 2
239000011575 calcium Substances 0.000 description 2
229910052791 calcium Inorganic materials 0.000 description 2
239000002270 dispersing agent Substances 0.000 description 2
238000004821 distillation Methods 0.000 description 2
238000005189 flocculation Methods 0.000 description 2
230000016615 flocculation Effects 0.000 description 2
150000004675 formic acid derivatives Chemical class 0.000 description 2
239000007789 gas Substances 0.000 description 2
150000002500 ions Chemical class 0.000 description 2
150000002506 iron compounds Chemical class 0.000 description 2
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
239000007764 o/w emulsion Substances 0.000 description 2
238000000926 separation method Methods 0.000 description 2
239000002904 solvent Substances 0.000 description 2
239000000126 substance Substances 0.000 description 2
230000002195 synergetic effect Effects 0.000 description 2
238000011282 treatment Methods 0.000 description 2
NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 description 1
239000005711 Benzoic acid Substances 0.000 description 1
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
102100025027 E3 ubiquitin-protein ligase TRIM69 Human genes 0.000 description 1
101000830203 Homo sapiens E3 ubiquitin-protein ligase TRIM69 Proteins 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical class Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
102000018210 Recoverin Human genes 0.000 description 1
108010076570 Recoverin Proteins 0.000 description 1
DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
PRXRUNOAOLTIEF-ADSICKODSA-N Sorbitan trioleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCC\C=C/CCCCCCCC)[C@H]1OC[C@H](O)[C@H]1OC(=O)CCCCCCC\C=C/CCCCCCCC PRXRUNOAOLTIEF-ADSICKODSA-N 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
150000008044 alkali metal hydroxides Chemical class 0.000 description 1
AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
125000003277 amino group Chemical group 0.000 description 1
239000012752 auxiliary agent Substances 0.000 description 1
SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
229940092714 benzenesulfonic acid Drugs 0.000 description 1
235000010233 benzoic acid Nutrition 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
239000003729 cation exchange resin Substances 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
239000002734 clay mineral Substances 0.000 description 1
239000000571 coke Substances 0.000 description 1
238000002485 combustion reaction Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
238000006114 decarboxylation reaction Methods 0.000 description 1
238000007865 diluting Methods 0.000 description 1
238000004945 emulsification Methods 0.000 description 1
239000003995 emulsifying agent Substances 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
239000003344 environmental pollutant Substances 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000008394 flocculating agent Substances 0.000 description 1
238000005188 flotation Methods 0.000 description 1
150000004674 formic acids Chemical class 0.000 description 1
239000000446 fuel Substances 0.000 description 1
125000000524 functional group Chemical group 0.000 description 1
ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
235000011167 hydrochloric acid Nutrition 0.000 description 1
239000012535 impurity Substances 0.000 description 1
238000009776 industrial production Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
150000007522 mineralic acids Chemical class 0.000 description 1
239000003345 natural gas Substances 0.000 description 1
231100000252 nontoxic Toxicity 0.000 description 1
230000003000 nontoxic effect Effects 0.000 description 1
239000003129 oil well Substances 0.000 description 1
150000007524 organic acids Chemical class 0.000 description 1
235000005985 organic acids Nutrition 0.000 description 1
239000005416 organic matter Substances 0.000 description 1
150000003891 oxalate salts Chemical class 0.000 description 1
150000002913 oxalic acids Chemical class 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
239000002245 particle Substances 0.000 description 1
231100000719 pollutant Toxicity 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000011591 potassium Substances 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
238000000746 purification Methods 0.000 description 1
101150100282 rplK gene Proteins 0.000 description 1
239000004576 sand Substances 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000011877 solvent mixture Substances 0.000 description 1
125000000446 sulfanediyl group Chemical group *S* 0.000 description 1
150000003871 sulfonates Chemical class 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
231100000419 toxicity Toxicity 0.000 description 1
230000001988 toxicity Effects 0.000 description 1
230000000007 visual effect Effects 0.000 description 1
239000007762 w/o emulsion Substances 0.000 description 1
239000002351 wastewater Substances 0.000 description 1
238000009736 wetting Methods 0.000 description 1

Classifications

- 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
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/40—Separation associated with re-injection of separated materials

Landscapes

Geology (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Thermal Sciences (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

CA000364828A 1980-11-17 1980-11-17 Separation des composantes d'emulsions d'eau et d'huile Expired CA1148834A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000364828A CA1148834A (fr)	1980-11-17	1980-11-17	Separation des composantes d'emulsions d'eau et d'huile

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000364828A CA1148834A (fr)	1980-11-17	1980-11-17	Separation des composantes d'emulsions d'eau et d'huile

Publications (1)

Publication Number	Publication Date
CA1148834A true CA1148834A (fr)	1983-06-28

Family

ID=4118470

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000364828A Expired CA1148834A (fr)	1980-11-17	1980-11-17	Separation des composantes d'emulsions d'eau et d'huile

Country Status (1)

Country	Link
CA (1)	CA1148834A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20150273521A1 (en) *	2010-01-14	2015-10-01	The Regents Of The University Of California	Universal Solution for Growing Thin Films of Electrically Conductive Nanostructures
US10265662B2 (en)	2012-10-12	2019-04-23	The Regents Of The University Of California	Polyaniline membranes, uses, and methods thereto
US10456755B2 (en)	2013-05-15	2019-10-29	The Regents Of The University Of California	Polyaniline membranes formed by phase inversion for forward osmosis applications
US10532328B2 (en)	2014-04-08	2020-01-14	The Regents Of The University Of California	Polyaniline-based chlorine resistant hydrophilic filtration membranes
CN115232637A (zh) *	2022-08-11	2022-10-25	北京石油化工学院	立式原油脱水设备

1980
- 1980-11-17 CA CA000364828A patent/CA1148834A/fr not_active Expired

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20150273521A1 (en) *	2010-01-14	2015-10-01	The Regents Of The University Of California	Universal Solution for Growing Thin Films of Electrically Conductive Nanostructures
US10265662B2 (en)	2012-10-12	2019-04-23	The Regents Of The University Of California	Polyaniline membranes, uses, and methods thereto
US10780404B2 (en)	2012-10-12	2020-09-22	The Regents Of The University Of California	Polyaniline membranes, uses, and methods thereto
US10456755B2 (en)	2013-05-15	2019-10-29	The Regents Of The University Of California	Polyaniline membranes formed by phase inversion for forward osmosis applications
US10532328B2 (en)	2014-04-08	2020-01-14	The Regents Of The University Of California	Polyaniline-based chlorine resistant hydrophilic filtration membranes
CN115232637A (zh) *	2022-08-11	2022-10-25	北京石油化工学院	立式原油脱水设备
CN115232637B (zh) *	2022-08-11	2023-08-22	北京石油化工学院	立式原油脱水设备

Legal Events

Date	Code	Title	Description
2000-06-28	MKEX	Expiry

Publication	Publication Date	Title
US4839054A (en)	1989-06-13	Process for removing water-soluble organics from produced water
US4216079A (en)	1980-08-05	Emulsion breaking with surfactant recovery
US6022494A (en)	2000-02-08	Process for decreasing the acid content and corrosivity of crudes
EP2287272A1 (fr)	2011-02-23	Additfs pour améliorer la rimotion de métaux et d'amines dans les procédés de desalinisation d'une rafinerie
US6054042A (en)	2000-04-25	Process for neutralization of petroleum acids using overbased detergents
US5364532A (en)	1994-11-15	Method of removing water soluble organics from oil process water
US20180346825A1 (en)	2018-12-06	Composition of sequestrant for application to the elimination and/or reduction of hydrogen sulfide and/or mercaptans in fluid
US6159379A (en)	2000-12-12	Organic ammonium salts for the removal of water soluble organics in produced water
CA3066096C (fr)	2022-04-19	Compositions et procedes d'elimination de contaminants dans le dessalage de raffinerie
US6905593B2 (en)	2005-06-14	Method for removing calcium from crude oil
CN101959994A (zh)	2011-01-26	增效性酸共混物提取助剂和其使用方法
AU758916B2 (en)	2003-04-03	Process for neutralization of petroleum acids
US5282959A (en)	1994-02-01	Method for the extraction of iron from liquid hydrocarbons
US5853592A (en)	1998-12-29	Method of removing water soluble organics from oil process water with an organic acid and a mineral acid having a plurality of pKa's
DE60002604T2 (de)	2004-03-18	Methode zur rückgewinnung wasserlöslicher tenside
US5637223A (en)	1997-06-10	Method of removing water soluble organics from oil process water
US4826625A (en)	1989-05-02	Methods for treating hydrocarbon recovery operations and industrial waters
US20030150779A1 (en)	2003-08-14	Process for removing metal ions from crude oil
US5593573A (en)	1997-01-14	Demetalation of hydrocarbonaceous feedstocks using sulfuric acid and salts thereof
US5282974A (en)	1994-02-01	Method for removing soluble benzene from effluent water
US2319885A (en)	1943-05-25	Process and composition for treatment of emulsions
CA2459977C (fr)	2009-10-20	Extraction de matieres organiques contenues dans l'eau
US1938322A (en)	1933-12-05	Process for breaking petroleum emulsions
WO2005097300A1 (fr)	2005-10-20	Elimination de mercaptans et de composes apparentes, contenus dans des hydrocarbures
US1938323A (en)	1933-12-05	Process for breaking petroleum emulsions