BE867900A - Procede et installation pour la regeneration de solutions aqueuses d'uree - Google Patents

Procede et installation pour la regeneration de solutions aqueuses d'uree

Info

Publication number
BE867900A
BE867900A BE188390A BE188390A BE867900A BE 867900 A BE867900 A BE 867900A BE 188390 A BE188390 A BE 188390A BE 188390 A BE188390 A BE 188390A BE 867900 A BE867900 A BE 867900A
Authority
BE
Belgium
Prior art keywords
regeneration
installation
aqueous urea
urea solutions
solutions
Prior art date
Application number
BE188390A
Other languages
English (en)
Inventor
A Schmidt
Original Assignee
Omv A G
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
Priority claimed from AT4077A external-priority patent/AT342594B/de
Application filed by Omv A G filed Critical Omv A G
Publication of BE867900A publication Critical patent/BE867900A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING 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
    • C10G73/00—Recovery or refining of mineral waxes, e.g. montan wax
    • C10G73/02—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils
    • C10G73/24—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils by formation of adducts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE188390A 1977-01-07 1978-06-07 Procede et installation pour la regeneration de solutions aqueuses d'uree BE867900A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT4077A AT342594B (de) 1974-05-16 1977-01-07 Verfahren zur herstellung von neuen n- (p-fluorbenzoylpropyl) -4-piperidylamiden und ihren saureadditionssalzen

Publications (1)

Publication Number Publication Date
BE867900A true BE867900A (fr) 1978-10-02

Family

ID=3479927

Family Applications (1)

Application Number Title Priority Date Filing Date
BE188390A BE867900A (fr) 1977-01-07 1978-06-07 Procede et installation pour la regeneration de solutions aqueuses d'uree

Country Status (2)

Country Link
BE (1) BE867900A (fr)
DE (1) DE2821995C2 (fr)

Also Published As

Publication number Publication date
DE2821995A1 (de) 1978-12-21
DE2821995C2 (de) 1986-08-14

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: OMV A.G.

Effective date: 19880630