CH277323A - Procédé de purification d'un milieu aqueux. - Google Patents

Procédé de purification d'un milieu aqueux.

Info

Publication number
CH277323A
CH277323A CH277323DA CH277323A CH 277323 A CH277323 A CH 277323A CH 277323D A CH277323D A CH 277323DA CH 277323 A CH277323 A CH 277323A
Authority
CH
Switzerland
Prior art keywords
purifying
aqueous medium
aqueous
medium
Prior art date
Application number
Other languages
English (en)
Inventor
Company American Cyanamid
Original Assignee
American Cyanamid Co
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 American Cyanamid Co filed Critical American Cyanamid Co
Publication of CH277323A publication Critical patent/CH277323A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
    • C08G12/34—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds and acyclic or carbocyclic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/16—Organic material
    • B01J39/18—Macromolecular compounds
    • B01J39/19—Macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
    • C08G12/30—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with substituted triazines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH277323D 1940-07-31 1947-02-10 Procédé de purification d'un milieu aqueux. CH277323A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US348821A US2285750A (en) 1940-07-31 1940-07-31 Process of purifying water

Publications (1)

Publication Number Publication Date
CH277323A true CH277323A (fr) 1951-08-31

Family

ID=23369690

Family Applications (1)

Application Number Title Priority Date Filing Date
CH277323D CH277323A (fr) 1940-07-31 1947-02-10 Procédé de purification d'un milieu aqueux.

Country Status (6)

Country Link
US (1) US2285750A (fr)
BE (1) BE468904A (fr)
CH (1) CH277323A (fr)
ES (1) ES175587A1 (fr)
FR (1) FR938685A (fr)
GB (1) GB561896A (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2671059A (en) * 1940-01-25 1954-03-02 Octrooien Mij Activit Nv Ion exchange resin and method for treating liquids
US2434190A (en) * 1942-10-13 1948-01-06 Americna Cyanamid Company Purification of fluids with silvered resins
US2543658A (en) * 1942-11-14 1951-02-27 American Cyanamid Co Manufacture of salts of weak acids
US2431251A (en) * 1943-02-04 1947-11-18 Permutit Co Anion exchange resin prepared with urea, paraformaldehyde, and aniline hydrochloride and process of removing acids from liquids therewith
US2465967A (en) * 1944-02-08 1949-03-29 American Dairies Inc Method of improving the taste of water soluble constituents of forage crops
US2420419A (en) * 1944-03-30 1947-05-13 American Cyanamid Co Purification of fluids with cation active resins
US2528022A (en) * 1945-01-27 1950-10-31 Pfizer & Co C Purification of antibiotics by ion exchange procedures
US2530789A (en) * 1945-06-01 1950-11-21 Goodrich Co B F Vulcanization of rubber
US2521664A (en) * 1945-12-08 1950-09-05 American Cyanamid Co Processes of producing fluid purification materials and products thereof
US2529142A (en) * 1946-02-20 1950-11-07 American Cyanamid Co Resinous composition suitable for anion exchange
US2525227A (en) * 1946-02-20 1950-10-10 American Cyanamid Co Ion exchange resins
US2628946A (en) * 1946-05-22 1953-02-17 Albi Mfg Co Inc Fire-retardant composition containing an anion exchange resin
US2476127A (en) * 1946-06-07 1949-07-12 American Cyanamid Co Reaction product of a polymethylol melamine and an aromatic amine
US2485485A (en) * 1946-06-27 1949-10-18 American Cyanamid Co Processes for removing anions from fluid media
US2497054A (en) * 1946-09-04 1950-02-07 American Cyanamid Co Preparation of cation active resins
US2596930A (en) * 1946-10-16 1952-05-13 American Cyanamid Co Synthetic resins prepared from biguanide-aldehyde condensation products
US2522668A (en) * 1946-10-16 1950-09-19 American Cyanamid Co Synthetic resins prepared from ketone condensation products
US2553386A (en) * 1947-04-02 1951-05-15 Monsanto Chemicals Reaction products of aminotriazines, aldehydes, nitroparaffins, and hydrogen
FR1011169A (fr) * 1948-12-18 1952-06-19 Auxiliaire Des Chemins De Fer Nouveaux produits résineux pour l'échange ou la captation d'anions et de silice, ler procédé de fabrication et leurs applications
US2641543A (en) * 1950-01-11 1953-06-09 Seagram & Sons Inc Ion exchange treatment of alcohol solutions
US2759907A (en) * 1951-04-24 1956-08-21 Ciba Ltd New condensation products of guanylmelamines with an aldehyde
US2773793A (en) * 1953-03-19 1956-12-11 Monsanto Chemicals Modified melamine resins
US2981635A (en) * 1954-06-22 1961-04-25 Minnesota Mining & Mfg Color coated roofing granules and method of making the same
US3024087A (en) * 1958-07-11 1962-03-06 Pechiney Prod Chimiques Sa Process for the preparation of niobium oxide
NL292331A (fr) * 1962-05-03
FR2474473A1 (fr) * 1979-12-20 1981-07-31 Inst Francais Du Petrole Nouvelle formulation pour le traitement des eaux polluees par les hydrocarbures
US9656239B2 (en) * 2014-06-16 2017-05-23 International Business Machines Corporation Apparatus for controlling metals in liquids

Also Published As

Publication number Publication date
FR938685A (fr) 1948-10-21
GB561896A (en) 1944-06-09
US2285750A (en) 1942-06-09
ES175587A1 (es) 1946-12-01
BE468904A (fr)

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