BE748754A - Traitement des effluents d'egouts - Google Patents

Traitement des effluents d'egouts

Info

Publication number
BE748754A
BE748754A BE748754DA BE748754A BE 748754 A BE748754 A BE 748754A BE 748754D A BE748754D A BE 748754DA BE 748754 A BE748754 A BE 748754A
Authority
BE
Belgium
Prior art keywords
effluent treatment
sewer effluent
sewer
treatment
effluent
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
R D Sawyer
J D Tinsley
Original Assignee
Nalco Chemical 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 Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of BE748754A publication Critical patent/BE748754A/xx

Links

Classifications

    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/52—Amides or imides
    • C08F20/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F20/56—Acrylamide; Methacrylamide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Removal Of Specific Substances (AREA)
BE748754D 1969-05-09 1970-04-10 Traitement des effluents d'egouts BE748754A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82351869A 1969-05-09 1969-05-09

Publications (1)

Publication Number Publication Date
BE748754A true BE748754A (fr) 1970-10-12

Family

ID=25238993

Family Applications (1)

Application Number Title Priority Date Filing Date
BE748754D BE748754A (fr) 1969-05-09 1970-04-10 Traitement des effluents d'egouts

Country Status (7)

Country Link
BE (1) BE748754A (enrdf_load_stackoverflow)
CA (1) CA923230A (enrdf_load_stackoverflow)
DE (1) DE2016758A1 (enrdf_load_stackoverflow)
ES (1) ES378403A1 (enrdf_load_stackoverflow)
FR (1) FR2043202A5 (enrdf_load_stackoverflow)
GB (1) GB1296135A (enrdf_load_stackoverflow)
NL (1) NL7005058A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2545007B2 (de) * 1975-10-08 1977-08-11 Wolff Walsrode Ag, 3030 Walsrode Lineares, hochmolekulares acrylamid-homopolymerisat und seine verwendung als hilfsmittel zur verbesserung der retention, entwaesserung und aufbereitung
TR23687A (tr) * 1986-11-06 1990-06-13 Nalco Chemical Co Su berraklastirma islemi ve bununla ilgili yoentem
DE3904575A1 (de) * 1989-02-15 1990-08-16 Nalco Chemical Co Verfahren zur eliminierung von phosphaten und organisch gebundenem phosphor aus abwaessern und zulaufwaessern

Also Published As

Publication number Publication date
GB1296135A (enrdf_load_stackoverflow) 1972-11-15
ES378403A1 (es) 1972-06-16
NL7005058A (enrdf_load_stackoverflow) 1970-11-11
DE2016758A1 (de) 1970-11-19
FR2043202A5 (enrdf_load_stackoverflow) 1971-02-12
CA923230A (en) 1973-03-20

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: NALCO CHEMICAL CY

Effective date: 19840410