RO71660A - Procede pour la recuprration des solvants - Google Patents

Procede pour la recuprration des solvants

Info

Publication number
RO71660A
RO71660A RO7789449A RO8944977A RO71660A RO 71660 A RO71660 A RO 71660A RO 7789449 A RO7789449 A RO 7789449A RO 8944977 A RO8944977 A RO 8944977A RO 71660 A RO71660 A RO 71660A
Authority
RO
Romania
Prior art keywords
solvents
recovery
Prior art date
Application number
RO7789449A
Other languages
English (en)
Romanian (ro)
Inventor
Paul Lehmann
Ralf Oehler
Uwe Seyfarth
Hartmut Ulbrecht
Erich Wachowiak
Original Assignee
Veb Petrolchemisches Kombinat Schwedt,Dd
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 Veb Petrolchemisches Kombinat Schwedt,Dd filed Critical Veb Petrolchemisches Kombinat Schwedt,Dd
Publication of RO71660A publication Critical patent/RO71660A/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/40Extractive distillation
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G21/00Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
    • C10G21/28Recovery of used solvent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
RO7789449A 1976-02-18 1977-02-18 Procede pour la recuprration des solvants RO71660A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD19129476A DD124520A1 (fr) 1976-02-18 1976-02-18

Publications (1)

Publication Number Publication Date
RO71660A true RO71660A (fr) 1982-02-26

Family

ID=5503586

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7789449A RO71660A (fr) 1976-02-18 1977-02-18 Procede pour la recuprration des solvants

Country Status (11)

Country Link
AT (1) AT355700B (fr)
BG (1) BG44947A1 (fr)
CS (1) CS191577B1 (fr)
DD (1) DD124520A1 (fr)
DE (1) DE2705268A1 (fr)
FR (1) FR2343041A1 (fr)
GB (1) GB1522933A (fr)
HU (1) HU175990B (fr)
NL (1) NL7701780A (fr)
RO (1) RO71660A (fr)
YU (1) YU43477A (fr)

Also Published As

Publication number Publication date
NL7701780A (nl) 1977-08-22
DD124520A1 (fr) 1977-03-02
AT355700B (de) 1980-03-10
ATA99477A (de) 1979-08-15
GB1522933A (en) 1978-08-31
FR2343041A1 (fr) 1977-09-30
DE2705268A1 (de) 1977-08-25
YU43477A (en) 1982-06-30
BG44947A1 (fr) 1989-03-15
CS191577B1 (en) 1979-07-31
HU175990B (en) 1980-11-28

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