ES381946A1 - Procedimiento para la extraccion de hidrocarburos aromati- cos. - Google Patents

Procedimiento para la extraccion de hidrocarburos aromati- cos.

Info

Publication number
ES381946A1
ES381946A1 ES381946A ES381946A ES381946A1 ES 381946 A1 ES381946 A1 ES 381946A1 ES 381946 A ES381946 A ES 381946A ES 381946 A ES381946 A ES 381946A ES 381946 A1 ES381946 A1 ES 381946A1
Authority
ES
Spain
Prior art keywords
stage
solvent
extractive distillation
rectification
product
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
ES381946A
Other languages
English (en)
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 ES381946A1 publication Critical patent/ES381946A1/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
ES381946A 1969-07-18 1970-07-17 Procedimiento para la extraccion de hidrocarburos aromati- cos. Expired ES381946A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1981369 1969-07-18

Publications (1)

Publication Number Publication Date
ES381946A1 true ES381946A1 (es) 1973-04-16

Family

ID=11161489

Family Applications (1)

Application Number Title Priority Date Filing Date
ES381946A Expired ES381946A1 (es) 1969-07-18 1970-07-17 Procedimiento para la extraccion de hidrocarburos aromati- cos.

Country Status (13)

Country Link
US (1) US3721620A (es)
AT (1) AT311526B (es)
BE (1) BE753354A (es)
CA (1) CA955874A (es)
DE (3) DE2065782B2 (es)
DK (1) DK131512B (es)
ES (1) ES381946A1 (es)
FR (1) FR2051833B1 (es)
GB (1) GB1312353A (es)
LU (1) LU61348A1 (es)
NL (1) NL7010677A (es)
PL (1) PL79759B1 (es)
RO (1) RO61733A7 (es)

Families Citing this family (7)

* 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
US4134795A (en) * 1978-04-05 1979-01-16 The Goodyear Tire & Rubber Company Acetylenes removal from diolefin streams by extractive distillation
US4333824A (en) * 1980-06-27 1982-06-08 Texaco Inc. Refining highly aromatic lube oil stocks
US4334983A (en) * 1980-06-30 1982-06-15 Exxon Research & Engineering Co. Stripping steam recycle for solvent recovery processes
US4909927A (en) * 1985-12-31 1990-03-20 Exxon Research And Engineering Company Extraction of hydrocarbon oils using a combination polar extraction solvent-aliphatic-aromatic or polar extraction solvent-polar substituted naphthenes extraction solvent mixture
US5885422A (en) * 1997-02-26 1999-03-23 Stone & Webster Engineering Corporation Spent caustic (pre)treatment process
CN103555359B (zh) * 2013-11-18 2015-04-22 郝天臻 一种催化裂化汽油的深度脱硫方法

Also Published As

Publication number Publication date
DE2065782B2 (de) 1979-06-07
CA955874A (en) 1974-10-08
DE2035324C3 (de) 1979-02-15
BE753354A (fr) 1970-12-16
RO61733A7 (es) 1977-01-15
DK131512C (es) 1975-12-22
PL79759B1 (es) 1975-06-30
DE2035324B2 (de) 1977-04-28
GB1312353A (en) 1973-04-04
US3721620A (en) 1973-03-20
AT311526B (de) 1973-11-26
FR2051833B1 (es) 1973-04-27
DE2065783A1 (de) 1975-09-11
DE2035324A1 (de) 1971-02-04
LU61348A1 (es) 1970-09-16
NL7010677A (es) 1971-01-20
FR2051833A1 (es) 1971-04-09
DE2065783B2 (de) 1979-06-07
DE2065782A1 (de) 1975-09-11
DK131512B (da) 1975-07-28

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19860211