DK131511C - - Google Patents

Info

Publication number
DK131511C
DK131511C DK373170A DK373170A DK131511C DK 131511 C DK131511 C DK 131511C DK 373170 A DK373170 A DK 373170A DK 373170 A DK373170 A DK 373170A DK 131511 C DK131511 C DK 131511C
Authority
DK
Denmark
Application number
DK373170A
Other languages
Danish (da)
Other versions
DK131511B (da
Inventor
G Paret
E Cinelli
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.)
Filing date
Publication date
Application filed by Snam Progetti filed Critical Snam Progetti
Priority to DK521172A priority Critical patent/DK131194B/da
Publication of DK131511B publication Critical patent/DK131511B/da
Application granted granted Critical
Publication of DK131511C publication Critical patent/DK131511C/da

Links

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)
DK373170AA 1969-07-18 1970-07-17 Fremgangsmåde til ekstraktion af aromatiske carbonhydrider fra carbonhydridblandinger. DK131511B (da)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK521172A DK131194B (da) 1969-07-18 1972-10-20 Fremgangsmåde til ekstraktion af aromatiske carbonhydrider fra carbonhydridblandinger.

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DK131511B DK131511B (da) 1975-07-28
DK131511C true DK131511C (cs) 1975-12-22

Family

ID=11161483

Family Applications (1)

Application Number Title Priority Date Filing Date
DK373170AA DK131511B (da) 1969-07-18 1970-07-17 Fremgangsmåde til ekstraktion af aromatiske carbonhydrider fra carbonhydridblandinger.

Country Status (17)

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

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
CN104718276B (zh) * 2012-08-09 2017-08-25 科学工业研究委员会 用于通过从含有机过氧化物的未加工的裂化汽油馏分回收高纯度苯来制备贫苯汽油的方法

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

Also Published As

Publication number Publication date
YU35748B (en) 1981-06-30
US3720605A (en) 1973-03-13
LU61349A1 (cs) 1970-09-16
SU365071A3 (cs) 1972-12-28
NL167143C (nl) 1981-11-16
CS167923B2 (cs) 1976-05-28
DK131511B (da) 1975-07-28
YU165570A (en) 1980-10-31
DE2065780B2 (de) 1978-12-14
RO61637A (cs) 1977-02-15
DE2065779B2 (de) 1979-01-04
GB1271596A (en) 1972-04-19
BE753353A (fr) 1970-12-16
FR2051835B1 (cs) 1973-04-27
BG25642A3 (bg) 1978-11-10
DE2065779A1 (de) 1975-09-18
DE2065779C3 (de) 1979-08-30
NL7010676A (cs) 1971-01-20
DE2035315B2 (de) 1977-04-28
DE2065780A1 (de) 1975-09-11
NL167143B (nl) 1981-06-16
DE2035315C3 (de) 1979-02-01
JPS4924901B1 (cs) 1974-06-26
CA955875A (en) 1974-10-08
ES381945A1 (es) 1972-12-01
FR2051835A1 (cs) 1971-04-09
DE2065780C3 (cs) 1979-08-23
AT312138B (de) 1973-12-27
DE2035315A1 (de) 1971-05-19

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Legal Events

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PBP Patent lapsed