CA923230A - Sewage treatment - Google Patents

Sewage treatment

Info

Publication number
CA923230A
CA923230A CA073866A CA73866A CA923230A CA 923230 A CA923230 A CA 923230A CA 073866 A CA073866 A CA 073866A CA 73866 A CA73866 A CA 73866A CA 923230 A CA923230 A CA 923230A
Authority
CA
Canada
Prior art keywords
sewage treatment
sewage
treatment
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.)
Expired
Application number
CA073866A
Other languages
English (en)
Inventor
D. Sawyer Roy
D. Tinsley John
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.)
ChampionX LLC
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
Application granted granted Critical
Publication of CA923230A publication Critical patent/CA923230A/en
Expired legal-status Critical Current

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)
CA073866A 1969-05-09 1970-02-03 Sewage treatment Expired CA923230A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA923230A true CA923230A (en) 1973-03-20

Family

ID=25238993

Family Applications (1)

Application Number Title Priority Date Filing Date
CA073866A Expired CA923230A (en) 1969-05-09 1970-02-03 Sewage treatment

Country Status (7)

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

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
BE748754A (fr) 1970-10-12
GB1296135A (cs) 1972-11-15
DE2016758A1 (de) 1970-11-19
ES378403A1 (es) 1972-06-16
NL7005058A (cs) 1970-11-11
FR2043202A5 (cs) 1971-02-12

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