ES381945A1 - Procedimiento para la extraccion de hidrocarburos aromati- cos. - Google Patents

Procedimiento para la extraccion de hidrocarburos aromati- cos.

Info

Publication number
ES381945A1
ES381945A1 ES381945A ES381945A ES381945A1 ES 381945 A1 ES381945 A1 ES 381945A1 ES 381945 A ES381945 A ES 381945A ES 381945 A ES381945 A ES 381945A ES 381945 A1 ES381945 A1 ES 381945A1
Authority
ES
Spain
Prior art keywords
stage
aldo
keto
aromatic hydrocarbons
extraction
Prior art date
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
ES381945A
Other languages
English (en)
Spanish (es)
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.)
SnamProgetti SpA
Original Assignee
SnamProgetti SpA
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 SpA filed Critical SnamProgetti SpA
Publication of ES381945A1 publication Critical patent/ES381945A1/es
Expired legal-status Critical Current

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)
ES381945A 1969-07-18 1970-07-17 Procedimiento para la extraccion de hidrocarburos aromati- cos. Expired ES381945A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES381945A1 true ES381945A1 (es) 1972-12-01

Family

ID=11161483

Family Applications (1)

Application Number Title Priority Date Filing Date
ES381945A Expired ES381945A1 (es) 1969-07-18 1970-07-17 Procedimiento para la extraccion de hidrocarburos aromati- cos.

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
FR2051835A1 (cs) 1971-04-09
DE2065780C3 (cs) 1979-08-23
AT312138B (de) 1973-12-27
DK131511C (cs) 1975-12-22
DE2035315A1 (de) 1971-05-19

Similar Documents

Publication Publication Date Title
ES8101032A1 (es) Procedimiento para producir acido formico
ES381945A1 (es) Procedimiento para la extraccion de hidrocarburos aromati- cos.
ES398777A1 (es) Procedimiento para la recuperacion del isopreno de mezclas que lo contengan.
GB948180A (en) Process for the separation of an organic mixture containing hydrocarbons by means of extractive distillation
ES272399A1 (es) Procedimiento para la obtenciën de metanol puro a partir de metanol crudo sintetico
ES408930A1 (es) Procedimiento para la purificacion del acrilonitrilo.
GB1490374A (en) Process for isolating formic acid
ES381946A1 (es) Procedimiento para la extraccion de hidrocarburos aromati- cos.
ES407876A1 (es) Procedimiento para la recuperacion de 3-metilmercaptopro- pionaldehido puro.
GB1235634A (en) Process for isolating acrylic acid from an aqueous crude acrylic acid
GB1195951A (en) Drying Toluene Diamines by Azeotropic Distillation.
BE817367A (fr) Procede de separation d'eau a partir de melanges organiques a plusieurs constituants par distillation
ES395783A1 (es) Un procedimiento para la obtencion de anhidrido maleico pu-ro.
GB1058536A (en) A method of recovering pure aromatics from hydrocarbon mixtures containing aromatics
ES421209A1 (es) Procedimiento para la separacion de hidrocarburos aromati- cos de elevada pureza de mezclas que los contengan.
NL6912920A (cs)
ES431340A1 (es) Un procedimiento para purificar los alcaloides de indol -dimericos- vincristina, des - n-metilvinblastina y vinblas-tina.
GB1384948A (en) Method of recovering pure aromatics from mixtures thereof with non- aromatics
GB1101321A (en) Process for the manufacture of isoprene
ES282177A1 (es) Procedimiento para preparar alfa-oxi-beta-fenil-mercapto-antraquinonas
GB1181772A (en) Stabilization of Polyoxymethylenes
ES379306A1 (es) Un procedimiento para la separacion de los componentes de una disolucion que comprende componentes que hierven a menos
ES278505A1 (es) Procedimiento de separación de una mezcla de hidrocarburos aromáticos c8
GB1351600A (en) Hydrocarbon separation p'ocess
GB830850A (en) Production of alkoxymethyl acetates