IT1038873B - Procedimento per il recupero della formadeide contenuta in acque di scarico - Google Patents

Procedimento per il recupero della formadeide contenuta in acque di scarico

Info

Publication number
IT1038873B
IT1038873B IT24240/75A IT2424075A IT1038873B IT 1038873 B IT1038873 B IT 1038873B IT 24240/75 A IT24240/75 A IT 24240/75A IT 2424075 A IT2424075 A IT 2424075A IT 1038873 B IT1038873 B IT 1038873B
Authority
IT
Italy
Prior art keywords
formadeide
recovery
procedure
contained
waste water
Prior art date
Application number
IT24240/75A
Other languages
English (en)
Inventor
P Erini
P Radici
P Colombo
U Santini
Original Assignee
Sir Soc Italiana Resine 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 Sir Soc Italiana Resine Spa filed Critical Sir Soc Italiana Resine Spa
Priority to IT24240/75A priority Critical patent/IT1038873B/it
Priority to GB22801/76A priority patent/GB1510046A/en
Priority to US05/692,408 priority patent/US4088818A/en
Priority to FR7617519A priority patent/FR2314188A1/fr
Application granted granted Critical
Publication of IT1038873B publication Critical patent/IT1038873B/it

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)
IT24240/75A 1975-06-11 1975-06-11 Procedimento per il recupero della formadeide contenuta in acque di scarico IT1038873B (it)

Priority Applications (4)

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
GB22801/76A GB1510046A (en) 1975-06-11 1976-06-02 Process for the recovery of formaldehyde as hexamine from waste waters
US05/692,408 US4088818A (en) 1975-06-11 1976-06-03 Process for the recovery of formaldehyde present in waste waters
FR7617519A FR2314188A1 (fr) 1975-06-11 1976-06-10 Procede de recuperation du formaldehyde present dans les eaux residuaires

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 (1)

Publication Number Publication Date
IT1038873B true IT1038873B (it) 1979-11-30

Family

ID=11212704

Family Applications (1)

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

Country Status (4)

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

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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA510236A (en) * 1955-02-15 Western Electric Company, Incorporated Sound wave refractor
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
IT951612B (it) * 1971-12-27 1973-07-10 Sir Soc Italiana Resine Spa Procedimento per il recupero della formaldeide e del fenolo contenuti in acque di scarico

Also Published As

Publication number Publication date
FR2314188B1 (it) 1979-05-04
US4088818A (en) 1978-05-09
GB1510046A (en) 1978-05-10
FR2314188A1 (fr) 1977-01-07

Similar Documents

Publication Publication Date Title
BE846513A (fr) Purificateur d'eau
FR2313319A1 (fr) Appareil de purification de l'eau
IT1058129B (it) Procedimento ed apparecchio per il trattamento disinquinante di acque di rifiuto
FR2322112A1 (fr) Adjuvant reducteur d'eau
IT1074951B (it) Procedimento per produrre poli idrossicomposti disperibili in acqua
IT1212336B (it) Dispositivo per la desalificazione completa di acqua
SE7605559L (sv) Reningsanordning for avfallsvatten
SE7801146L (sv) Avvattenreningsforfarande
MX143372A (es) Mejoras en sistema para pulir placas-madre de electrolisis
IT1093034B (it) Procedimento per l applicazione per via elettrostatica particolarmente di vernici sciolte in acqua
IT1059012B (it) Metodo per purivicare acque di rifiuto
SE7606288L (sv) Elektrolytisk cell
IT1066138B (it) Procedimento e dispositivo per la depurazione di acqua di rifiuto
SE457276B (sv) Kloakvattenpump
IT7868897A0 (it) Procedimento per lo sfruttamentodi spazzatura e la contemporanea depurazione di acque di scarico
IT1061988B (it) Dispositivo agglomeratore di rifiuti
IT1068925B (it) Concentratore di flottazione per silvina
IT1038873B (it) Procedimento per il recupero della formadeide contenuta in acque di scarico
DK542276A (da) Hydrocarbon/vandblandinger
RO69366A (ro) Procedeu pentru purificarea apelor reziduale
NO139885C (no) Reverseringsanordning for vannstraaledrevet fartoey
DK320376A (da) Elektrolysecelle til behandling af vand
IT1052064B (it) Coperchio per water closet
IT1039889B (it) Procedimento per la purificazione di acque di riftuto
SE387983B (sv) Ho till tvettstell