FR2314188A1 - Procede de recuperation du formaldehyde present dans les eaux residuaires - Google Patents

Procede de recuperation du formaldehyde present dans les eaux residuaires

Info

Publication number
FR2314188A1
FR2314188A1 FR7617519A FR7617519A FR2314188A1 FR 2314188 A1 FR2314188 A1 FR 2314188A1 FR 7617519 A FR7617519 A FR 7617519A FR 7617519 A FR7617519 A FR 7617519A FR 2314188 A1 FR2314188 A1 FR 2314188A1
Authority
FR
France
Prior art keywords
waste water
formaldehyde present
recovering formaldehyde
recovering
present
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.)
Granted
Application number
FR7617519A
Other languages
English (en)
Other versions
FR2314188B1 (fr
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.)
Societa Italiana Resine SpA SIR
Original Assignee
Societa Italiana Resine SpA SIR
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 Societa Italiana Resine SpA SIR filed Critical Societa Italiana Resine SpA SIR
Publication of FR2314188A1 publication Critical patent/FR2314188A1/fr
Application granted granted Critical
Publication of FR2314188B1 publication Critical patent/FR2314188B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains three hetero rings
    • C07D487/18—Bridged systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/85—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Removal Of Specific Substances (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
FR7617519A 1975-06-11 1976-06-10 Procede de recuperation du formaldehyde present dans les eaux residuaires Granted FR2314188A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT24240/75A IT1038873B (it) 1975-06-11 1975-06-11 Procedimento per il recupero della formadeide contenuta in acque di scarico

Publications (2)

Publication Number Publication Date
FR2314188A1 true FR2314188A1 (fr) 1977-01-07
FR2314188B1 FR2314188B1 (fr) 1979-05-04

Family

ID=11212704

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7617519A Granted FR2314188A1 (fr) 1975-06-11 1976-06-10 Procede de recuperation du formaldehyde present dans les eaux residuaires

Country Status (4)

Country Link
US (1) US4088818A (fr)
FR (1) FR2314188A1 (fr)
GB (1) GB1510046A (fr)
IT (1) IT1038873B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897120A (en) * 1988-01-19 1990-01-30 Gifford-Hill & Company, Inc. Accelerator for portland cement derived from fertilizer
USH1339H (en) 1992-06-03 1994-07-05 Blair Leslie M Aqueous process for recycling acetal polymer and moldings thereof
CN101348299B (zh) * 2008-09-05 2011-12-21 江苏扬农化工股份有限公司 一种草甘膦合成母液的处理方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2165990A1 (fr) * 1971-12-27 1973-08-10 Sir Soc Italiana Resine Spa

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA510236A (fr) * 1955-02-15 Western Electric Company, Incorporated Refracteur d'ondes sonores
GB252609A (en) * 1925-10-23 1926-06-03 Karpen & Bros S Improved manufacture of hexamethylenetetramine
US3538199A (en) * 1968-12-31 1970-11-03 Tenneco Chem Continuous process for the production of hexamethylenetetramine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2165990A1 (fr) * 1971-12-27 1973-08-10 Sir Soc Italiana Resine Spa

Also Published As

Publication number Publication date
IT1038873B (it) 1979-11-30
FR2314188B1 (fr) 1979-05-04
US4088818A (en) 1978-05-09
GB1510046A (en) 1978-05-10

Similar Documents

Publication Publication Date Title
FR2299410A1 (fr) Procede de recuperation d'uranium
BE848652A (fr) Procede et appareillage pour eliminer les impuretes dissoutes dans l'eau,
FR2331622A1 (fr) Procede de recuperation du cuivre
BE863227A (fr) Procede de purification d'eaux fluorees, notamment d'eaux residuaires fluorees
FR2310616A1 (fr) Procede de traitement des eaux residuaires radio-actives
BE867433A (fr) Procede de recuperation de selenium
RO83822A (fr) Procede de recuperation du petroleum
BE857654A (fr) Procede de recuperation de zinc
YU208777A (en) Process for the purification of waste water by the use of activated sludge in two phases
BE841665A (fr) Procede pour la recuperation des actinides
ATA121375A (de) Verfahren und vorrichtung zum reinigen von abwassern durch elektrolyse
BE806778A (fr) Procede de desazotation des eaux residuaires
CH545254A (de) Verfahren zum Reinigen von Abwässern
RO69367A (fr) Procede d'elimination du mercure d'eaux residuaires
AT320544B (de) Verfahren zum Reinigen von Abwasser
IT1059012B (it) Metodo per purivicare acque di rifiuto
FR2325606A1 (fr) Procede de purification d'eaux souterraines
FR2314188A1 (fr) Procede de recuperation du formaldehyde present dans les eaux residuaires
BE821374A (fr) Procede de recuperation d'acide nitrique
FR2297252A1 (fr) Procede de recuperation des metaux contenus dans des boues, residus de traitement de minerais
BE870256A (fr) Procede de recuperation ou de purification du rhodium
BE851459A (fr) Procede de recuperation de matieres plastiques contenues dans des dechets
BE870462A (fr) Procede pour la recuperation du manganese
BE843000A (fr) Procede d'epuration d'eau usees industrielles
BE804526A (fr) Procede ameliore pour la recuperation de l'acide cyanhydrique

Legal Events

Date Code Title Description
ST Notification of lapse