BE831611A - Procede pour l'extraction de carbonate de guanidine a partir de solutions aqueuses diluees - Google Patents

Procede pour l'extraction de carbonate de guanidine a partir de solutions aqueuses diluees

Info

Publication number
BE831611A
BE831611A BE158504A BE158504A BE831611A BE 831611 A BE831611 A BE 831611A BE 158504 A BE158504 A BE 158504A BE 158504 A BE158504 A BE 158504A BE 831611 A BE831611 A BE 831611A
Authority
BE
Belgium
Prior art keywords
extraction
aqueous solutions
diluted aqueous
guanidine carbonate
guanidine
Prior art date
Application number
BE158504A
Other languages
English (en)
French (fr)
Inventor
Ferdinand Dr Weinrotter
Alfred Dr Schmidt
Karlheinz Dipl Ing Wegleitner
Alfred Dipl Ing Garber
Josef Herbert Dr Hatzl
Rudolf Dr Sykora
Original Assignee
Chemie Linz Ag
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 Chemie Linz Ag filed Critical Chemie Linz Ag
Publication of BE831611A publication Critical patent/BE831611A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C277/00—Preparation of guanidine or its derivatives, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups
    • C07C277/06—Purification or separation of guanidine
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B63/00—Purification; Separation; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE158504A 1974-07-22 1975-07-22 Procede pour l'extraction de carbonate de guanidine a partir de solutions aqueuses diluees BE831611A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2435167A DE2435167C3 (de) 1974-07-22 1974-07-22 Verfahren zur Gewinnung von Guanidincarbonat aus verdünnten, wäßrigen Lösungen
AT610274A AT336035B (de) 1974-07-22 1974-07-24 Verfahren zur gewinnung von guanidincarbonat aus verdunnten wasserigen losungen

Publications (1)

Publication Number Publication Date
BE831611A true BE831611A (fr) 1976-01-22

Family

ID=25602789

Family Applications (1)

Application Number Title Priority Date Filing Date
BE158504A BE831611A (fr) 1974-07-22 1975-07-22 Procede pour l'extraction de carbonate de guanidine a partir de solutions aqueuses diluees

Country Status (16)

Country Link
US (1) US3984471A (xx)
JP (1) JPS5134116A (xx)
AT (1) AT336035B (xx)
BE (1) BE831611A (xx)
BG (1) BG27896A3 (xx)
CA (1) CA1038886A (xx)
CH (1) CH595332A5 (xx)
CS (1) CS194722B2 (xx)
DD (1) DD118621A1 (xx)
DE (1) DE2435167C3 (xx)
FR (1) FR2279726A1 (xx)
GB (1) GB1457226A (xx)
IN (1) IN141743B (xx)
NL (1) NL175523C (xx)
SE (1) SE424724B (xx)
SU (1) SU895284A3 (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3808766A1 (de) * 1988-03-16 1989-09-28 Sueddeutsche Kalkstickstoff Verfahren zur rueckgewinnung von guanidinhydrohalogeniden aus den bei der herstellung von mercaptoalkylsilanen anfallenden produktgemischen
DE4405546A1 (de) * 1994-02-22 1995-08-24 Nigu Chemie Gmbh Verfahren zur Rückgewinnung von Guanidinsalzen
EP3626706B1 (en) 2018-09-20 2021-06-02 Borealis Agrolinz Melamine GmbH Method for increasing the guanidine carbonate yield in a combined melamine process and guanidine carbonate treatment process
EP3750872B1 (en) 2019-06-14 2023-06-07 Borealis Agrolinz Melamine GmbH Increase of guanidine carbonate yield by reduction of mother liquor disposal and quality improvement due to increase of temperature spread

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2234732C2 (de) * 1972-07-14 1983-05-05 Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München Verfahren zur Gewinnung von Guanidin

Also Published As

Publication number Publication date
ATA610274A (de) 1976-08-15
FR2279726B1 (xx) 1978-02-03
FR2279726A1 (fr) 1976-02-20
NL175523C (nl) 1984-11-16
SU895284A3 (ru) 1981-12-30
NL175523B (nl) 1984-06-18
CH595332A5 (xx) 1978-02-15
US3984471A (en) 1976-10-05
BG27896A3 (en) 1980-01-15
NL7506828A (nl) 1976-01-26
SE7508284L (sv) 1976-01-23
DD118621A1 (xx) 1976-03-12
IN141743B (xx) 1977-04-09
DE2435167B2 (de) 1978-06-22
CA1038886A (en) 1978-09-19
CS194722B2 (en) 1979-12-31
GB1457226A (en) 1976-12-01
JPS5134116A (en) 1976-03-23
DE2435167A1 (de) 1976-02-19
AT336035B (de) 1977-04-12
SE424724B (sv) 1982-08-09
DE2435167C3 (de) 1979-02-15

Similar Documents

Publication Publication Date Title
BR7304466D0 (pt) Processo de recuperacao de acidos a partir de solucoes aquosas
BE815500A (fr) Extraction d'acides carboxyliques a partir de solutions aqueuses diluees
FR2278796A1 (fr) Procede et installation pour l'utilisation d'une machine a attaquer les metaux et analogues, par un acide
BE814762A (fr) Procede de separation de l'acide acrylique de ses solutions aqueuses
FR2327215A1 (fr) Procede d'obtention d'acides carboxyliques a partir de leurs solutions aqueuses
FR2276391A1 (fr) Recuperation d'argent a partir de sels d'argent
FR1514176A (fr) Procédé de séparation d'eau relativement pure à partir de solutions aqueuses
BE825525A (fr) Procede pour l'obtention d'acide formique
BE875919A (fr) Procede de preparation d'aluminates alcalins a partir de solutions aqueuses
BE831611A (fr) Procede pour l'extraction de carbonate de guanidine a partir de solutions aqueuses diluees
BE805450A (fr) Procede de recuperation d'acide fluorhydrique a partir de solutions aqueuses d'acide fluosilicique
BE820667A (fr) Procede de transformation de sulfite de metal alcalin
RO72145A (ro) Procedeu de epurare a solutiilor sulfurice diluate
FR2283950A1 (fr) Elimination d'impuretes ioniques a partir de solutions de surfactifs
BE824362A (fr) Procede de cristallisation de fructose a partir d'une solution aqueuse
BE825934A (fr) Procede de production d'isobutane
BE751324A (fr) Procede pour obtenir de l'acrylonitile a partir de solutions aqueuses
BE829948A (fr) Procede pour eliminer des impuretes organiques a partir de solutions aqueuses
BE816863Q (fr) Procede de blanchiment de pate kraft par l'oxygene en presence de liqueur blanche provenant d'un systeme de recuperation de pate kraft
FR2327326A1 (fr) Procede pour la manutention de solutions aqueuses d'hydroxydes de metaux alcalins concentrees en halogenures de metaux alcalins
FR2286133A1 (fr) Procede pour la preparation d'un pyrrolidon-2
FR2278627A1 (fr) Procede de recuperation d'alkylamidures de metal alcalin
BE744249A (fr) Prodece d'elimination de cyanures de metaux lourds a partir de solutions aqueuses
BE757106A (fr) Procede de preparation de l'acide glyoxylique a partir de l'acide oxalique
IT1088050B (it) Processo per l'ottenimento di alchilamidi inferiori dalle loro soluzioni acquose

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CHEMIE LINZ A.G.

Effective date: 19840722