JPH0572438B2 - - Google Patents

Info

Publication number: JPH0572438B2
Authority: JP; Japan
Prior art keywords: solvent; extraction; aromatic; water; zone
Prior art date: 1984-12-28
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 - Fee Related

Application number

JP60500328A

Other languages

English (en)

Japanese (ja)

Other versions

JPS62500791A (ja

Inventor

Paurino Fuorute

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.)

Union Carbide Chemicals and Plastics Technology LLC

Union Carbide Corp

Original Assignee

Union Carbide Chemicals and Plastics Technology LLC

Union Carbide Corp

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.)

1984-12-28

Filing date

1984-12-28

Publication date

1993-10-12

1984-12-28 Application filed by Union Carbide Chemicals and Plastics Technology LLC, Union Carbide Corp filed Critical Union Carbide Chemicals and Plastics Technology LLC

1987-04-02 Publication of JPS62500791A publication Critical patent/JPS62500791A/ja

1993-10-12 Publication of JPH0572438B2 publication Critical patent/JPH0572438B2/ja

Status Granted legal-status Critical Current

Links

239000002904 solvent Substances 0.000 description 204
238000000605 extraction Methods 0.000 description 139
238000000034 method Methods 0.000 description 110
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 80
238000000926 separation method Methods 0.000 description 72
125000003118 aryl group Chemical group 0.000 description 64
239000012071 phase Substances 0.000 description 63
239000012296 anti-solvent Substances 0.000 description 52
230000008569 process Effects 0.000 description 46
150000004945 aromatic hydrocarbons Chemical class 0.000 description 45
229930195733 hydrocarbon Natural products 0.000 description 38
150000002430 hydrocarbons Chemical class 0.000 description 38
239000004215 Carbon black (E152) Substances 0.000 description 35
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
238000004821 distillation Methods 0.000 description 24
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 22
239000000203 mixture Substances 0.000 description 22
MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 21
239000000284 extract Substances 0.000 description 20
239000010687 lubricating oil Substances 0.000 description 20
239000003921 oil Substances 0.000 description 18
239000001257 hydrogen Substances 0.000 description 15
229910052739 hydrogen Inorganic materials 0.000 description 15
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 13
239000006184 cosolvent Substances 0.000 description 11
HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 10
ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 9
125000000217 alkyl group Chemical group 0.000 description 9
-1 ethylene glycol ethers Chemical class 0.000 description 9
238000011084 recovery Methods 0.000 description 8
238000001816 cooling Methods 0.000 description 6
238000010908 decantation Methods 0.000 description 6
229920001515 polyalkylene glycol Polymers 0.000 description 6
UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 6
239000008346 aqueous phase Substances 0.000 description 5
238000009835 boiling Methods 0.000 description 5
239000003502 gasoline Substances 0.000 description 5
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 5
239000000463 material Substances 0.000 description 5
239000012188 paraffin wax Substances 0.000 description 5
229920001223 polyethylene glycol Polymers 0.000 description 5
SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
150000001298 alcohols Chemical class 0.000 description 4
230000015572 biosynthetic process Effects 0.000 description 4
150000001875 compounds Chemical class 0.000 description 4
238000005265 energy consumption Methods 0.000 description 4
239000000835 fiber Substances 0.000 description 4
239000011521 glass Substances 0.000 description 4
ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 4
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
230000008901 benefit Effects 0.000 description 3
RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
238000000895 extractive distillation Methods 0.000 description 3
238000010438 heat treatment Methods 0.000 description 3
230000001590 oxidative effect Effects 0.000 description 3
239000003208 petroleum Substances 0.000 description 3
239000000126 substance Substances 0.000 description 3
HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 3
238000003809 water extraction Methods 0.000 description 3
PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
229910000619 316 stainless steel Inorganic materials 0.000 description 2
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
101100244083 Arabidopsis thaliana PKL gene Proteins 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
125000002947 alkylene group Chemical group 0.000 description 2
MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
238000010533 azeotropic distillation Methods 0.000 description 2
239000002131 composite material Substances 0.000 description 2
238000009833 condensation Methods 0.000 description 2
230000005494 condensation Effects 0.000 description 2
238000013461 design Methods 0.000 description 2
238000010586 diagram Methods 0.000 description 2
239000000446 fuel Substances 0.000 description 2
150000002431 hydrogen Chemical class 0.000 description 2
230000003993 interaction Effects 0.000 description 2
238000005304 joining Methods 0.000 description 2
239000003350 kerosene Substances 0.000 description 2
239000002184 metal Substances 0.000 description 2
239000002480 mineral oil Substances 0.000 description 2
239000003960 organic solvent Substances 0.000 description 2
YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 2
150000002989 phenols Chemical class 0.000 description 2
229920005862 polyol Polymers 0.000 description 2
238000012545 processing Methods 0.000 description 2
BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 2
230000009467 reduction Effects 0.000 description 2
238000007670 refining Methods 0.000 description 2
230000008929 regeneration Effects 0.000 description 2
238000011069 regeneration method Methods 0.000 description 2
239000011877 solvent mixture Substances 0.000 description 2
231100000419 toxicity Toxicity 0.000 description 2
230000001988 toxicity Effects 0.000 description 2
238000005292 vacuum distillation Methods 0.000 description 2
238000005406 washing Methods 0.000 description 2
KPPVNWGJXFMGAM-UUILKARUSA-N (e)-2-methyl-1-(6-methyl-3,4-dihydro-2h-quinolin-1-yl)but-2-en-1-one Chemical compound CC1=CC=C2N(C(=O)C(/C)=C/C)CCCC2=C1 KPPVNWGJXFMGAM-UUILKARUSA-N 0.000 description 1
229940058015 1,3-butylene glycol Drugs 0.000 description 1
NNADFQOLYAABCB-UHFFFAOYSA-N 1-[2-(2-ethoxyethoxy)ethoxy]-2-(2-hydroxyethoxy)ethanol Chemical compound CCOCCOCCOC(O)COCCO NNADFQOLYAABCB-UHFFFAOYSA-N 0.000 description 1
SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 1
XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
COBPKKZHLDDMTB-UHFFFAOYSA-N 2-[2-(2-butoxyethoxy)ethoxy]ethanol Chemical compound CCCCOCCOCCOCCO COBPKKZHLDDMTB-UHFFFAOYSA-N 0.000 description 1
WFSMVVDJSNMRAR-UHFFFAOYSA-N 2-[2-(2-ethoxyethoxy)ethoxy]ethanol Chemical compound CCOCCOCCOCCO WFSMVVDJSNMRAR-UHFFFAOYSA-N 0.000 description 1
FMMWHPNWAFZXNH-UHFFFAOYSA-N Benz[a]pyrene Chemical compound C1=C2C3=CC=CC=C3C=C(C=C3)C2=C2C3=CC=CC2=C1 FMMWHPNWAFZXNH-UHFFFAOYSA-N 0.000 description 1
ZNSMNVMLTJELDZ-UHFFFAOYSA-N Bis(2-chloroethyl)ether Chemical compound ClCCOCCCl ZNSMNVMLTJELDZ-UHFFFAOYSA-N 0.000 description 1
229920000742 Cotton Polymers 0.000 description 1
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
FQYUMYWMJTYZTK-UHFFFAOYSA-N Phenyl glycidyl ether Chemical compound C1OC1COC1=CC=CC=C1 FQYUMYWMJTYZTK-UHFFFAOYSA-N 0.000 description 1
GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
239000004809 Teflon Substances 0.000 description 1
229920006362 Teflon® Polymers 0.000 description 1
239000002253 acid Substances 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
125000002252 acyl group Chemical group 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
125000001931 aliphatic group Chemical group 0.000 description 1
150000004996 alkyl benzenes Chemical class 0.000 description 1
150000001412 amines Chemical class 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
150000001491 aromatic compounds Chemical class 0.000 description 1
150000001555 benzenes Chemical class 0.000 description 1
235000010290 biphenyl Nutrition 0.000 description 1
150000004074 biphenyls Chemical class 0.000 description 1
BMRWNKZVCUKKSR-UHFFFAOYSA-N butane-1,2-diol Chemical compound CCC(O)CO BMRWNKZVCUKKSR-UHFFFAOYSA-N 0.000 description 1
235000019437 butane-1,3-diol Nutrition 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
125000004432 carbon atom Chemical group C* 0.000 description 1
238000003763 carbonization Methods 0.000 description 1
230000008859 change Effects 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
230000002596 correlated effect Effects 0.000 description 1
239000010779 crude oil Substances 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
230000018044 dehydration Effects 0.000 description 1
238000006297 dehydration reaction Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000001514 detection method Methods 0.000 description 1
SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
239000012153 distilled water Substances 0.000 description 1
150000002170 ethers Chemical class 0.000 description 1
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
230000001747 exhibiting effect Effects 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
238000007701 flash-distillation Methods 0.000 description 1
GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 1
150000002220 fluorenes Chemical class 0.000 description 1
125000000524 functional group Chemical group 0.000 description 1
239000007789 gas Substances 0.000 description 1
235000011187 glycerol Nutrition 0.000 description 1
150000002334 glycols Chemical class 0.000 description 1
239000012535 impurity Substances 0.000 description 1
150000002468 indanes Chemical class 0.000 description 1
150000002469 indenes Chemical class 0.000 description 1
239000007788 liquid Substances 0.000 description 1
230000001050 lubricating effect Effects 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000005259 measurement Methods 0.000 description 1
238000003808 methanol extraction Methods 0.000 description 1
GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 1
235000010446 mineral oil Nutrition 0.000 description 1
238000002156 mixing Methods 0.000 description 1
150000002790 naphthalenes Chemical class 0.000 description 1
TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
238000012856 packing Methods 0.000 description 1
239000003209 petroleum derivative Substances 0.000 description 1
238000005191 phase separation Methods 0.000 description 1
238000000746 purification Methods 0.000 description 1
230000003134 recirculating effect Effects 0.000 description 1
238000004064 recycling Methods 0.000 description 1
238000010992 reflux Methods 0.000 description 1
238000002407 reforming Methods 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
239000007787 solid Substances 0.000 description 1
238000001256 steam distillation Methods 0.000 description 1
238000003756 stirring Methods 0.000 description 1
238000003860 storage Methods 0.000 description 1
150000005846 sugar alcohols Polymers 0.000 description 1
125000005329 tetralinyl group Chemical group C1(CCCC2=CC=CC=C12)* 0.000 description 1
231100000331 toxic Toxicity 0.000 description 1
231100000167 toxic agent Toxicity 0.000 description 1
230000002588 toxic effect Effects 0.000 description 1
239000003440 toxic substance Substances 0.000 description 1
JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 1
239000011345 viscous material Substances 0.000 description 1
239000008096 xylene Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G21/00—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G21/00—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
- C10G21/06—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents characterised by the solvent used
- C10G21/12—Organic compounds only
- C10G21/16—Oxygen-containing compounds
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G21/00—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
- C10G21/28—Recovery of used solvent

Landscapes

Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

JP60500328A 1984-12-28 1984-12-28 炭化水素供給材料中の芳香族成分と非芳香族成分の分離 Granted JPS62500791A (ja)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/US1984/002109 WO1986004082A1 (en)	1984-12-28	1984-12-28	Separation of aromatic and nonaromatic components in mixed hydrocarbon feeds

Publications (2)

Publication Number	Publication Date
JPS62500791A JPS62500791A (ja)	1987-04-02
JPH0572438B2 true JPH0572438B2 (cs)	1993-10-12

Family

ID=22182374

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP60500328A Granted JPS62500791A (ja)	1984-12-28	1984-12-28	炭化水素供給材料中の芳香族成分と非芳香族成分の分離

Country Status (4)

Country	Link
JP (1)	JPS62500791A (cs)
AU (1)	AU570095B2 (cs)
HU (1)	HU201576B (cs)
WO (1)	WO1986004082A1 (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4781820A (en) *	1985-07-05	1988-11-01	Union Carbide Corporation	Aromatic extraction process using mixed polyalkylene glycols/glycol ether solvents
US4919816A (en) *	1989-01-31	1990-04-24	Sun Refining And Marketing Company	Removal of acidic impurities in processes for solvent extraction of aromatics from nonaromatics
RU2139910C1 (ru) *	1997-09-11	1999-10-20	Общество с ограниченной ответственностью "Производственное объединение "Киришинефтеоргсинтез"	СПОСОБ ВЫДЕЛЕНИЯ АРОМАТИЧЕСКИХ УГЛЕВОДОРОДОВ ИЗ ДЕПАРАФИНИРОВАННОЙ ФРАКЦИИ 200 - 320oC

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2261287A (en) *	1938-11-19	1941-11-04	Standard Oil Dev Co	Solvent treating petroleum oils
US2246297A (en) *	1938-12-10	1941-06-17	Standard Oil Dev Co	Solvent extraction process
NL64177C (cs) *	1943-02-08
US2360859A (en) *	1943-02-08	1944-10-24	Shell Dev	Solvent extraction process
US2834820A (en) *	1953-07-28	1958-05-13	Universal Oil Prod Co	Solvent extraction of organic mixtures with mixed glycol ethers as solvents
US2902428A (en) *	1955-11-01	1959-09-01	Exxon Research Engineering Co	Extraction of feedstock with polyethylene glycol solvent
US3451925A (en) *	1967-03-13	1969-06-24	Nixon Roberta L	Solvent extraction of hydrocarbons with n-methyl-2-pyrrolidone
US4260476A (en) *	1980-01-31	1981-04-07	Union Carbide Corporation	Separation of aromatic hydrocarbons from petroleum fractions

1984
- 1984-12-28 HU HU85803A patent/HU201576B/hu unknown
- 1984-12-28 AU AU38361/85A patent/AU570095B2/en not_active Expired
- 1984-12-28 WO PCT/US1984/002109 patent/WO1986004082A1/en not_active Ceased
- 1984-12-28 JP JP60500328A patent/JPS62500791A/ja active Granted

Also Published As

Publication number	Publication date
HU201576B (en)	1990-11-28
WO1986004082A1 (en)	1986-07-17
HUT41832A (en)	1987-05-28
JPS62500791A (ja)	1987-04-02
AU570095B2 (en)	1988-03-03
AU3836185A (en)	1986-07-29

Legal Events

Date	Code	Title	Description
2004-10-12	LAPS	Cancellation because of no payment of annual fees

Publication	Publication Date	Title
US4498980A (en)	1985-02-12	Separation of aromatic and nonaromatic components in mixed hydrocarbon feeds
US4781820A (en)	1988-11-01	Aromatic extraction process using mixed polyalkylene glycols/glycol ether solvents
CN111954654B (zh)	2023-03-17	萃取精馏分离芳烃的方法
US4057491A (en)	1977-11-08	Solvent recovery process for N-methyl-2-pyrrolidone in hydrocarbon extraction
US4328092A (en)	1982-05-04	Solvent extraction of hydrocarbon oils
JP3036822B2 (ja)	2000-04-24	潤滑油の溶剤抽出
US20090200208A1 (en)	2009-08-13	Method of producing mineral oils based on hydrocarbon distillates
US4571295A (en)	1986-02-18	Aromatic/nonaromatic separations
US3864245A (en)	1975-02-04	Solvent extraction with increased polar hydrocarbon purity
US5073669A (en)	1991-12-17	Method for aromatic hydrocarbon recovery
US3306849A (en)	1967-02-28	Hydrocarbon solvent refining process
US4304660A (en)	1981-12-08	Manufacture of refrigeration oils
US5022981A (en)	1991-06-11	Aromatic extraction process using mixed polyalkylene glycol/glycol ether solvents
US4390418A (en)	1983-06-28	Recovery of solvent in hydrocarbon processing systems
US4419227A (en)	1983-12-06	Recovery of solvent from a hydrocarbon extract
JPH0572438B2 (cs)	1993-10-12
US4294689A (en)	1981-10-13	Solvent refining process
US3864244A (en)	1975-02-04	Solvent extraction with internal preparation of stripping steam
EP0043267A1 (en)	1982-01-06	Method of separating aromatic and nonaromatic hydrocarbons in mixed hydrocarbon feeds
US4325818A (en)	1982-04-20	Dual solvent refining process
EP0043685B1 (en)	1984-08-08	Method of separating aromatic and nonaromatic hydrocarbons in mixed hydrocarbon feeds
US4342646A (en)	1982-08-03	Trace solvent recovery in selective solvent extraction
CA1246483A (en)	1988-12-13	Separation of aromatic and nonaromatic components in mixed hydrocarbon feeds
US5964987A (en)	1999-10-12	Neutral oil removal from natural cresylic acid mixtures
US5008004A (en)	1991-04-16	Aromatics extraction process having improved water stripper