CA1300341C - Granular calcium hypochlorite composition and process for preparation thereof - Google Patents

Granular calcium hypochlorite composition and process for preparation thereof

Info

Publication number
CA1300341C
CA1300341C CA000581823A CA581823A CA1300341C CA 1300341 C CA1300341 C CA 1300341C CA 000581823 A CA000581823 A CA 000581823A CA 581823 A CA581823 A CA 581823A CA 1300341 C CA1300341 C CA 1300341C
Authority
CA
Canada
Prior art keywords
calcium hypochlorite
dihydrate
calcium
alkali metal
particles
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 - Lifetime
Application number
CA000581823A
Other languages
English (en)
French (fr)
Inventor
Hiroyuki Saitoh
Tsugio Murakami
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.)
Tosoh Corp
Original Assignee
Tosoh Corp
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 Tosoh Corp filed Critical Tosoh Corp
Application granted granted Critical
Publication of CA1300341C publication Critical patent/CA1300341C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/395—Bleaching agents
    • C11D3/3953—Inorganic bleaching agents
    • 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
    • C01B11/064—Hypochlorites of alkaline-earth metals
    • 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
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/42—Nature of the water, waste water, sewage or sludge to be treated from bathing facilities, e.g. swimming pools

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Detergent Compositions (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
CA000581823A 1987-11-06 1988-11-01 Granular calcium hypochlorite composition and process for preparation thereof Expired - Lifetime CA1300341C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62-279095 1987-11-06
JP62279095A JPH01122903A (ja) 1987-11-06 1987-11-06 次亜塩素酸カルシウム粒状物およびその製造方法

Publications (1)

Publication Number Publication Date
CA1300341C true CA1300341C (en) 1992-05-12

Family

ID=17606345

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000581823A Expired - Lifetime CA1300341C (en) 1987-11-06 1988-11-01 Granular calcium hypochlorite composition and process for preparation thereof

Country Status (8)

Country Link
US (1) US4965016A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0315203B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH01122903A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR910003626B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU624084B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1300341C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3855037T2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA888314B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6409926B1 (en) 1999-03-02 2002-06-25 United States Filter Corporation Air and water purification using continuous breakpoint halogenation and peroxygenation
US6143184A (en) 1999-03-02 2000-11-07 United States Filter Corporation Air and water purification using continuous breakpoint halogenation
US6419817B1 (en) 2000-06-22 2002-07-16 United States Filter Corporation Dynamic optimization of chemical additives in a water treatment system
WO2001098558A2 (en) 2000-06-22 2001-12-27 United States Filter Corporation Corrosion control utilizing a hydrogen peroxide donor
US6716359B1 (en) 2000-08-29 2004-04-06 United States Filter Corporation Enhanced time-based proportional control
JP2002210474A (ja) * 2001-01-15 2002-07-30 Hirosuke Sato 非常用保存飲料水の殺菌方法、及び、殺菌剤密封容器
US6620315B2 (en) 2001-02-09 2003-09-16 United States Filter Corporation System for optimized control of multiple oxidizer feedstreams
US6776926B2 (en) * 2001-08-09 2004-08-17 United States Filter Corporation Calcium hypochlorite of reduced reactivity
US7108781B2 (en) 2002-02-26 2006-09-19 Usfilter Corporation Enhanced air and water purification using continuous breakpoint halogenation with free oxygen radicals
US6991735B2 (en) 2002-02-26 2006-01-31 Usfilter Corporation Free radical generator and method
US7045077B2 (en) * 2004-06-18 2006-05-16 Biolab, Inc. Calcium hypochlorite compositions
US10343939B2 (en) 2006-06-06 2019-07-09 Evoqua Water Technologies Llc Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water
US12103874B2 (en) 2006-06-06 2024-10-01 Evoqua Water Technologies Llc Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water
US8652336B2 (en) * 2006-06-06 2014-02-18 Siemens Water Technologies Llc Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water
US8741155B2 (en) * 2007-04-03 2014-06-03 Evoqua Water Technologies Llc Method and system for providing ultrapure water
US9365436B2 (en) * 2007-04-03 2016-06-14 Evoqua Water Technologies Llc Method of irradiating a liquid
US9725343B2 (en) 2007-04-03 2017-08-08 Evoqua Water Technologies Llc System and method for measuring and treating a liquid stream
US8753522B2 (en) * 2007-04-03 2014-06-17 Evoqua Water Technologies Llc System for controlling introduction of a reducing agent to a liquid stream
US9365435B2 (en) * 2007-04-03 2016-06-14 Evoqua Water Technologies Llc Actinic radiation reactor
US8961798B2 (en) * 2007-04-03 2015-02-24 Evoqua Water Technologies Llc Method for measuring a concentration of a compound in a liquid stream
US8591730B2 (en) * 2009-07-30 2013-11-26 Siemens Pte. Ltd. Baffle plates for an ultraviolet reactor
US8257748B2 (en) * 2009-09-01 2012-09-04 Ppg Industries Ohio, Inc. Calcium hypochlorite compositions
EP2527301B1 (en) 2011-05-26 2016-04-27 Evoqua Water Technologies GmbH Method and arrangement for a water treatment
CA2918564C (en) 2015-01-21 2023-09-19 Evoqua Water Technologies Llc Advanced oxidation process for ex-situ groundwater remediation
US11161762B2 (en) 2015-01-21 2021-11-02 Evoqua Water Technologies Llc Advanced oxidation process for ex-situ groundwater remediation
JP6604780B2 (ja) * 2015-09-07 2019-11-13 東ソー株式会社 次亜塩素酸カルシウム組成物の製造方法
AU2020359664A1 (en) 2019-09-30 2022-05-26 Bonds Chemicals Pty Ltd Hypochlorite compositions, methods of manufacture and uses thereof

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1713654A (en) * 1926-08-04 1929-05-21 Mathieson Alkali Works Inc Manufacture of calcium hypochlorite
US1961576A (en) * 1932-08-17 1934-06-05 Mathieson Alkali Works Inc Stable calcium hypochlorite composition
US3094380A (en) * 1960-06-27 1963-06-18 Pennsalt Chemicals Corp Control of hydrogen ion concentration in crystallization of calcium hypochlorite
US3498924A (en) * 1966-03-10 1970-03-03 Ppg Industries Inc Process for preparing stable sodium hypochlorites
CA975531A (en) * 1971-06-07 1975-10-07 John P. Faust High test calcium hypochlorite
US4201756A (en) * 1972-07-31 1980-05-06 Olin Corporation Granular calcium hypochlorite coated with an inorganic salt
US4146676A (en) * 1975-03-12 1979-03-27 Olin Corporation Granular calcium hypochlorite coated with a low melting inorganic salt by spray graining
AU522166B2 (en) * 1978-03-06 1982-05-20 Toyo Soda Manufacturing Co. Ltd. Dihydrate of calcium hypochlorite
US4197284A (en) * 1978-09-27 1980-04-08 Olin Corporation Process for the production of calcium hypochlorite compositions
AU536179B2 (en) * 1979-05-29 1984-04-19 Toyo Soda Manufacturing Co. Ltd. Calcium hypochlorite
US4337236A (en) * 1980-08-07 1982-06-29 Olin Corporation Process for manufacture of calcium hypochlorite
US4328200A (en) * 1981-06-01 1982-05-04 Ppg Industries, Inc. Process for producing calcium hypochlorite
JPS63130508A (ja) * 1986-11-18 1988-06-02 Tosoh Corp 次亜塩素酸カルシウム組成物およびその製造方法

Also Published As

Publication number Publication date
JPH0471841B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-11-16
KR910003626B1 (ko) 1991-06-07
AU2470188A (en) 1989-05-11
ZA888314B (en) 1989-08-30
DE3855037D1 (de) 1996-04-04
JPH01122903A (ja) 1989-05-16
US4965016A (en) 1990-10-23
DE3855037T2 (de) 1996-07-18
AU624084B2 (en) 1992-06-04
KR890008019A (ko) 1989-07-08
EP0315203A3 (en) 1990-07-18
EP0315203A2 (en) 1989-05-10
EP0315203B1 (en) 1996-02-28

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