NO980588L - Method of treating water - Google Patents

Method of treating water

Info

Publication number
NO980588L
NO980588L NO980588A NO980588A NO980588L NO 980588 L NO980588 L NO 980588L NO 980588 A NO980588 A NO 980588A NO 980588 A NO980588 A NO 980588A NO 980588 L NO980588 L NO 980588L
Authority
NO
Norway
Prior art keywords
water system
treating
treating water
calcium hypochlorite
stagnant water
Prior art date
Application number
NO980588A
Other languages
Norwegian (no)
Other versions
NO980588D0 (en
Inventor
Don H Girvan
Original Assignee
Don H Girvan
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
Priority claimed from US08/608,242 external-priority patent/US5676844A/en
Application filed by Don H Girvan filed Critical Don H Girvan
Publication of NO980588D0 publication Critical patent/NO980588D0/en
Publication of NO980588L publication Critical patent/NO980588L/en

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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B11/00—Oxides or oxyacids of halogens; Salts thereof
    • C01B11/04—Hypochlorous acid
    • C01B11/06—Hypochlorites
    • C01B11/068—Stabilisation by additives other than oxides, hydroxides, carbonates of alkali or alkaline-earth metals; Coating of particles; Shaping; Granulation
    • 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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Physical Water Treatments (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

Foreliggende oppfinnelse er en fremgangsmåte for behandling av et stille- stående vannsystem, omfattende administrering til det stillestående vannsystem av en blanding som omfatter kalsiumhypokloritt og boratsalter. Fremgangsmåten for behandling av et stillestående vannsystem tilveiebringer fritt klor til systemet mer effektivt enn fremgangsmåter ifølge tidligere kjent teknikk, stabiliserer pH- verdien i det stillestående vannsystem og reduserer de uønskede bivirkninger av tilsetningen av kalsiumhypokloritt alene.The present invention is a method of treating a still water system comprising administering to the still water system a mixture comprising calcium hypochlorite and borate salts. The method of treating a stagnant water system provides free chlorine to the system more efficiently than methods of the prior art, stabilizing the pH of the stagnant water system and reducing the undesirable side effects of the addition of calcium hypochlorite alone.

NO980588A 1995-08-11 1998-02-11 Method of treating water NO980588L (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US214195P 1995-08-11 1995-08-11
US08/608,242 US5676844A (en) 1996-02-28 1996-02-28 Method of treating water
PCT/US1996/013076 WO1997007062A1 (en) 1995-08-11 1996-08-12 Improved method of treating water

Publications (2)

Publication Number Publication Date
NO980588D0 NO980588D0 (en) 1998-02-11
NO980588L true NO980588L (en) 1998-04-02

Family

ID=26670004

Family Applications (1)

Application Number Title Priority Date Filing Date
NO980588A NO980588L (en) 1995-08-11 1998-02-11 Method of treating water

Country Status (10)

Country Link
EP (1) EP0843649A4 (en)
AU (1) AU716053B2 (en)
BR (1) BR9610454A (en)
CA (1) CA2229281A1 (en)
CZ (1) CZ43398A3 (en)
IL (1) IL123283A (en)
MX (1) MX9801172A (en)
NO (1) NO980588L (en)
NZ (1) NZ315902A (en)
WO (1) WO1997007062A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2010215913B2 (en) * 2009-02-20 2013-07-25 Nisus Corporation, Inc. Borate micro emulsion and method for making the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3793216A (en) * 1971-12-06 1974-02-19 Pennwalt Corp Calcium hypochlorite composition
US4048351A (en) * 1974-11-06 1977-09-13 Olin Corporation Granular calcium hypochlorite coated with a low melting inorganic salt by spray graining
US4048651A (en) * 1975-07-10 1977-09-13 Bell & Howell Company Color-corrected video signal processing with augmented color lock
US4880638A (en) * 1988-08-23 1989-11-14 Bioxy International, Ltd. Biocidal composition and method for disinfecting articles
WO1991018510A1 (en) * 1990-05-31 1991-12-12 Olin Corporation Algicidally enhanced compositions
US5164109A (en) * 1990-05-31 1992-11-17 Olin Corporation Algicidally enhanced calcium hypochlorite compositions
US5478482A (en) * 1994-05-16 1995-12-26 Bio-Lab, Inc. Method and compositions for treating recirculating water systems

Also Published As

Publication number Publication date
NZ315902A (en) 1999-07-29
IL123283A (en) 2001-10-31
EP0843649A4 (en) 1999-01-07
EP0843649A1 (en) 1998-05-27
CA2229281A1 (en) 1997-02-27
NO980588D0 (en) 1998-02-11
MX9801172A (en) 1998-11-29
IL123283A0 (en) 1998-09-24
BR9610454A (en) 2000-10-24
WO1997007062A1 (en) 1997-02-27
CZ43398A3 (en) 1998-06-17
AU6772096A (en) 1997-03-12
AU716053B2 (en) 2000-02-17

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application