BG25642A3 - Метод за извличане на ароматни въглеводороди - Google Patents

Метод за извличане на ароматни въглеводороди

Info

Publication number
BG25642A3
BG25642A3 BG015208A BG1520870A BG25642A3 BG 25642 A3 BG25642 A3 BG 25642A3 BG 015208 A BG015208 A BG 015208A BG 1520870 A BG1520870 A BG 1520870A BG 25642 A3 BG25642 A3 BG 25642A3
Authority
BG
Bulgaria
Prior art keywords
extraction
aromatic hydrocarbons
hydrocarbons
aromatic
Prior art date
Application number
BG015208A
Other languages
Bulgarian (bg)
English (en)
Inventor
Giancarlo Paret
Ermanno Cinelli
Original Assignee
Snamprogetti S.P.A.
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 Snamprogetti S.P.A. filed Critical Snamprogetti S.P.A.
Publication of BG25642A3 publication Critical patent/BG25642A3/xx

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)
BG015208A 1969-07-18 1970-07-17 Метод за извличане на ароматни въглеводороди BG25642A3 (bg)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BG25642A3 true BG25642A3 (bg) 1978-11-10

Family

ID=11161483

Family Applications (1)

Application Number Title Priority Date Filing Date
BG015208A BG25642A3 (bg) 1969-07-18 1970-07-17 Метод за извличане на ароматни въглеводороди

Country Status (17)

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

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 (ru) 1970-09-16
SU365071A3 (ru) 1972-12-28
NL167143C (nl) 1981-11-16
CS167923B2 (ru) 1976-05-28
DK131511B (da) 1975-07-28
YU165570A (en) 1980-10-31
DE2065780B2 (de) 1978-12-14
RO61637A (ru) 1977-02-15
DE2065779B2 (de) 1979-01-04
GB1271596A (en) 1972-04-19
BE753353A (fr) 1970-12-16
FR2051835B1 (ru) 1973-04-27
DE2065779A1 (de) 1975-09-18
DE2065779C3 (de) 1979-08-30
NL7010676A (ru) 1971-01-20
DE2035315B2 (de) 1977-04-28
DE2065780A1 (de) 1975-09-11
NL167143B (nl) 1981-06-16
DE2035315C3 (de) 1979-02-01
JPS4924901B1 (ru) 1974-06-26
CA955875A (en) 1974-10-08
ES381945A1 (es) 1972-12-01
FR2051835A1 (ru) 1971-04-09
DE2065780C3 (ru) 1979-08-23
AT312138B (de) 1973-12-27
DK131511C (ru) 1975-12-22
DE2035315A1 (de) 1971-05-19

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