AT312138B - Process for extracting aromatic hydrocarbons - Google Patents

Process for extracting aromatic hydrocarbons

Info

Publication number: AT312138B
Authority: AT; Austria
Prior art keywords: aromatic hydrocarbons; extracting aromatic; extracting; hydrocarbons; aromatic
Prior art date: 1969-07-18

Application number

AT654470A

Other languages

German (de)

Inventor

Paret Giancarlo

Cinelli Ermanno

Original Assignee

Snam Progetti

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.)

1969-07-18

Filing date

1970-07-17

Publication date

1973-12-27

1970-07-17 Application filed by Snam Progetti filed Critical Snam Progetti

1973-12-27 Application granted granted Critical

1973-12-27 Publication of AT312138B publication Critical patent/AT312138B/en

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
- C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
- C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0488—Flow sheets
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/005—Processes comprising at least two steps in series
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/10—Purification; Separation; Use of additives by extraction, i.e. purification or separation of liquid hydrocarbons with the aid of liquids

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Analytical Chemistry (AREA)
Oil, Petroleum & Natural Gas (AREA)
Water Supply & Treatment (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

AT654470A 1969-07-18 1970-07-17 Process for extracting aromatic hydrocarbons AT312138B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT1981269		1969-07-18

Publications (1)

Publication Number	Publication Date
AT312138B true AT312138B (en)	1973-12-27

Family

ID=11161483

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT654470A AT312138B (en)	1969-07-18	1970-07-17	Process for extracting aromatic hydrocarbons

Country Status (17)

Country	Link
US (1)	US3720605A (en)
JP (1)	JPS4924901B1 (en)
AT (1)	AT312138B (en)
BE (1)	BE753353A (en)
BG (1)	BG25642A3 (en)
CA (1)	CA955875A (en)
CS (1)	CS167923B2 (en)
DE (3)	DE2065780B2 (en)
DK (1)	DK131511B (en)
ES (1)	ES381945A1 (en)
FR (1)	FR2051835B1 (en)
GB (1)	GB1271596A (en)
LU (1)	LU61349A1 (en)
NL (1)	NL167143C (en)
RO (1)	RO61637A (en)
SU (1)	SU365071A3 (en)
YU (1)	YU35748B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4081355A (en) *	1970-08-12	1978-03-28	Krupp-Koppers Gmbh	Process for recovering highly pure aromatics from a mixture of aromatics and non-aromatics
US3953300A (en) *	1972-11-29	1976-04-27	Snam Progetti, S.P.A.	Process for separating a high purity vinyl aromatic hydrocarbon from hydrocarbon mixtures containing the same
US6565742B1 (en) *	1997-09-03	2003-05-20	Gtc Technology Inc.	Aromatics separation process and method of retrofitting existing equipment for same
US8460517B2 (en) *	2009-09-02	2013-06-11	Gtc Technology Us Llc	Methods and apparatuses for steam addition to a reboiler coupled to an extractive distillation column for improved extractive distillation
US9770032B2 (en) *	2010-02-17	2017-09-26	Osprey Biotechnics, Inc.	Compositions for stabilizing bacillus spores and methods of use thereof
US9138658B2 (en)	2011-01-31	2015-09-22	Exxonmobil Chemical Patents Inc.	Solvent quality control in extraction processes
US8471088B2 (en)	2011-01-31	2013-06-25	Exxonmobil Chemical Patents Inc.	Solvent quality control in extraction processes
EP2882830B1 (en) *	2012-08-09	2018-01-03	Council of Scientific & Industrial Research	A process for production of benzene lean gasoline by recovery of high purity benzene from unprocessed cracked gasoline fraction containing organic peroxides

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3262875A (en) *	1961-06-07	1966-07-26	Snam Societa Per Azioni	Process for extracting high-purity aromatic hydrocarbons from a hydrocarbonaceous mixture
GB1119292A (en) *	1964-10-14	1968-07-10	Snam Spa	Process for extracting aromatic hydrocarbons from hydrocarbon mixtures containing same
US3487013A (en) *	1968-02-26	1969-12-30	Universal Oil Prod Co	Solvent extraction with recycle of light nonaromatic fraction
US3558480A (en) *	1968-10-28	1971-01-26	Universal Oil Prod Co	Light and heavy reflux streams in solvent extraction of aromatics
US3551327A (en) *	1969-03-12	1970-12-29	Universal Oil Prod Co	Extractive distillation of aromatics with a sulfolane solvent

1970
- 1970-06-30 YU YU1655/70A patent/YU35748B/en unknown
- 1970-07-02 CS CS4631A patent/CS167923B2/cs unknown
- 1970-07-09 SU SU1446589A patent/SU365071A3/ru active
- 1970-07-13 BE BE753353D patent/BE753353A/en not_active IP Right Cessation
- 1970-07-16 DE DE2065780A patent/DE2065780B2/en active Granted
- 1970-07-16 FR FR707026113A patent/FR2051835B1/fr not_active Expired
- 1970-07-16 DE DE2035315A patent/DE2035315C3/en not_active Expired
- 1970-07-16 DE DE2065779A patent/DE2065779C3/en not_active Expired
- 1970-07-16 LU LU61349D patent/LU61349A1/xx unknown
- 1970-07-17 AT AT654470A patent/AT312138B/en not_active IP Right Cessation
- 1970-07-17 DK DK373170AA patent/DK131511B/en not_active IP Right Cessation
- 1970-07-17 GB GB34913/70A patent/GB1271596A/en not_active Expired
- 1970-07-17 BG BG015208A patent/BG25642A3/en unknown
- 1970-07-17 US US00055908A patent/US3720605A/en not_active Expired - Lifetime
- 1970-07-17 NL NL7010676.A patent/NL167143C/en not_active IP Right Cessation
- 1970-07-17 JP JP45062181A patent/JPS4924901B1/ja active Pending
- 1970-07-17 CA CA088,536A patent/CA955875A/en not_active Expired
- 1970-07-17 ES ES381945A patent/ES381945A1/en not_active Expired
- 1970-07-18 RO RO63967A patent/RO61637A/ro unknown

Also Published As

Publication number	Publication date
FR2051835B1 (en)	1973-04-27
DE2065780B2 (en)	1978-12-14
CA955875A (en)	1974-10-08
DE2065779B2 (en)	1979-01-04
CS167923B2 (en)	1976-05-28
BE753353A (en)	1970-12-16
JPS4924901B1 (en)	1974-06-26
DE2035315C3 (en)	1979-02-01
DE2065779A1 (en)	1975-09-18
BG25642A3 (en)	1978-11-10
DE2065780A1 (en)	1975-09-11
ES381945A1 (en)	1972-12-01
NL167143B (en)	1981-06-16
DE2065780C3 (en)	1979-08-23
RO61637A (en)	1977-02-15
DK131511B (en)	1975-07-28
US3720605A (en)	1973-03-13
DE2065779C3 (en)	1979-08-30
YU165570A (en)	1980-10-31
NL7010676A (en)	1971-01-20
YU35748B (en)	1981-06-30
LU61349A1 (en)	1970-09-16
GB1271596A (en)	1972-04-19
DE2035315B2 (en)	1977-04-28
SU365071A3 (en)	1972-12-28
FR2051835A1 (en)	1971-04-09
NL167143C (en)	1981-11-16
DE2035315A1 (en)	1971-05-19
DK131511C (en)	1975-12-22

Publication	Publication Date	Title
AT313591B (en)	1974-02-25	Process for impregnating foams
AT251154B (en)	1966-12-27	Process for cracking hydrocarbons
AT314199B (en)	1974-03-25	Process for polymerizing α-olefins
CH556882A (en)	1974-12-13	PROCESS FOR CURING EPOXIDS.
CH528453A (en)	1972-09-30	Process for the separation of aromatic hydrocarbons
AT311773B (en)	1973-12-10	Process for flavoring food
CH541662A (en)	1973-03-15	Process for dyeing aromatic polyamide fibers
AT312138B (en)	1973-12-27	Process for extracting aromatic hydrocarbons
DE1811037B2 (en)	1972-04-13	PROCESS FOR PREPARING HYDROCARBON POLYMERS
AT314957B (en)	1974-05-10	Process for freezing plant-based, leaf-shaped foods
CH536651A (en)	1973-05-15	Process for discharging activated carbon
AT311526B (en)	1973-11-26	Process for extracting aromatic hydrocarbons
DE1948884B2 (en)	1971-09-30	PROCEDURE FOR REMOVING INVERSION LAYERS
CH532369A (en)	1973-01-15	Process for sweetening substrates
CH515329A (en)	1971-11-15	Process for clarifying beverages
CH530438A (en)	1972-11-15	Process for purifying polymer solutions
AT267026B (en)	1968-12-10	Process for the desulphurisation of fractions containing aromatic hydrocarbons
AT299154B (en)	1972-06-12	Process for the production of aromatic hydrocarbons by selective extraction of hydrocarbon mixtures
CH476782A (en)	1969-08-15	Process for polymerizing B-lactones
CH519583A (en)	1972-02-29	Process for the selective electroplating of elongated elements
CH530885A (en)	1972-11-30	Method for washing vehicles
AT317148B (en)	1974-08-12	Process for finishing textiles
CH514643A (en)	1971-10-31	Process for making modified polyamides
CH542588A (en)	1973-10-15	Method for removing unwanted irritants from coffee
CH525025A (en)	1972-07-15	Process for stabilizing organic material

Legal Events

Date	Code	Title	Description
1991-06-15	ELA	Expired due to lapse of time