JPH07507535A - 二酸化塩素の製造方法 - Google Patents
二酸化塩素の製造方法Info
- Publication number
- JPH07507535A JPH07507535A JP6501372A JP50137294A JPH07507535A JP H07507535 A JPH07507535 A JP H07507535A JP 6501372 A JP6501372 A JP 6501372A JP 50137294 A JP50137294 A JP 50137294A JP H07507535 A JPH07507535 A JP H07507535A
- Authority
- JP
- Japan
- Prior art keywords
- alkali metal
- chlorine dioxide
- reaction
- chloric acid
- chlorate
- 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.)
- Granted
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
- C01B11/02—Oxides of chlorine
- C01B11/022—Chlorine dioxide (ClO2)
- C01B11/023—Preparation from chlorites or chlorates
- C01B11/026—Preparation from chlorites or chlorates from chlorate ions in the presence of a peroxidic compound, e.g. hydrogen peroxide, ozone, peroxysulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Epoxy Compounds (AREA)
Abstract
Description
Claims (10)
- 1.塩素酸を、二酸化塩素が生成されるような割合で還元剤としての過酸化水素 と反応させることを包含することを特徴とする二酸化塩素の製造方法。
- 2.前記の反応を、約0.5Nから約12Nの範囲内の酸性度に保たれている反 応媒体中で行う請求の範囲第1項に記載の方法。
- 3.前記反応媒体を約15℃から約100℃までの温度に保つ請求の範囲第1項 に記載の方法。
- 4.前記反応媒体に尿素及びホスホン酸系錯化剤からなる群から選ばれた一種以 上の化合物を供給する請求の範囲第1項に記載の方法。
- 5.前記の反応を硫酸の実質的な不在下で行う請求の範囲第1項に記載の方法。
- 6.前記の反応を塩素酸以外の鉱酸の実質的な不在下で行う請求の範囲第5項に 記載の方法。
- 7.前記反応媒体に塩素酸を供給し、かつその反応をアルカリ金属塩素酸塩の実 質的な不在下で行う請求の範囲第1項に記載の方法。
- 8.前記反応媒体に塩素酸とアルカリ金属塩素酸塩とを含む溶液を供給する請求 の範囲第1項に記載の方法。
- 9.アルカリ金属塩素酸塩の水溶液を電解槽中で電解して塩素酸とアルカリ金属 塩素酸塩とを含む溶液を得、該溶液を二酸化塩素反応器中の反応帯域に供給し、 塩素酸を還元剤としての過酸化水素と反応させることにより二酸化塩素を製造し 、未反応のアルカリ金属塩素酸塩を該反応帯域から抜き取り、そして該未反応ア ルカリ金属塩素酸塩を前記電解槽に循環することを含む請求の範囲第8項に記載 の方法。
- 10.前記の二酸化塩素生成から循環された未反応のアルカリ金属塩素酸塩を精 製することなく前記電解槽に導入する請求の範囲第8項に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/895,634 US5486344A (en) | 1992-06-09 | 1992-06-09 | Method of producing chlorine dioxide |
US895,634 | 1992-06-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07507535A true JPH07507535A (ja) | 1995-08-24 |
JP2819066B2 JP2819066B2 (ja) | 1998-10-30 |
Family
ID=25404803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6501372A Expired - Lifetime JP2819066B2 (ja) | 1992-06-09 | 1993-05-27 | 二酸化塩素の製造方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5486344A (ja) |
EP (1) | EP0644853B2 (ja) |
JP (1) | JP2819066B2 (ja) |
BR (1) | BR9306505A (ja) |
CA (1) | CA2076904C (ja) |
DE (1) | DE69327650D1 (ja) |
FI (1) | FI112352B (ja) |
WO (1) | WO1993025470A1 (ja) |
ZA (1) | ZA933999B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008514535A (ja) * | 2004-09-24 | 2008-05-08 | アクゾ ノーベル エヌ.ブイ. | 二酸化塩素を製造する方法 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5487881A (en) * | 1993-02-26 | 1996-01-30 | Eka Nobel Inc. | Process of producing chlorine dioxide |
US5478446A (en) * | 1993-07-02 | 1995-12-26 | Eka Nobel Inc. | Electrochemical process |
SE513568C2 (sv) | 1994-03-18 | 2000-10-02 | Eka Chemicals Ab | Förfarande för framställning av klordioxid |
NZ272769A (en) * | 1994-08-18 | 1996-03-26 | Eka Nobel Inc | Process for producing chlorine dioxide by reducing chlorate in acidic reaction medium |
US6287533B1 (en) | 1999-09-20 | 2001-09-11 | Mohammed N. I. Khan | Production of chlorine dioxide by chemical reduction of ammonium chlorate in aqueous acidic solution |
US6607696B1 (en) | 2000-02-18 | 2003-08-19 | Selective Micro Technologies, Llc | Apparatus and method for controlled delivery of a gas |
CA2399245A1 (en) | 2000-02-18 | 2001-08-23 | Selective Micro Technologies, Llc | Apparatus and method for controlled delivery of a gas |
US7922984B2 (en) * | 2000-02-18 | 2011-04-12 | Selective Micro Technologies, Llc | Apparatus and method for controlled delivery of a gas |
PT1343718E (pt) * | 2000-12-21 | 2011-01-25 | Superior Plus Lp | Processo de geração de dióxido de cloro com base em peróxido de hidrogénio |
CN103112826B (zh) * | 2013-03-20 | 2015-01-21 | 广西轻工业科学技术研究院 | 一种高纯二氧化氯的生产方法 |
CA3196833A1 (en) | 2020-10-27 | 2022-05-05 | Jeff Thomas | Gas generation apparatus and method utilizing hydrophobic membrane pouch reactor |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2332181A (en) * | 1941-07-15 | 1943-10-19 | Mathieson Alkali Works Inc | Manufacture of chlorine dioxide |
GB666374A (en) † | 1948-12-22 | 1952-02-13 | Konink Ind Mij Voorheen Noury | Improvements in or relating to the production of chlorine dioxide |
US2811420A (en) * | 1954-11-17 | 1957-10-29 | Hooker Electrochemical Co | Chlorine dioxide generation |
US2833624A (en) * | 1956-10-02 | 1958-05-06 | Du Pont | Production of chlorine dioxide |
US2936219A (en) † | 1957-02-18 | 1960-05-10 | Hooker Chemical Corp | Production of chlorine dioxide |
US3810969A (en) * | 1971-06-22 | 1974-05-14 | Hooker Chemical Corp | Process for the production of chlorine dioxide |
US4129484A (en) * | 1976-05-11 | 1978-12-12 | Kemanord Ab | Process for regeneration of spent reaction solutions |
US4304762A (en) * | 1978-09-27 | 1981-12-08 | Lever Brothers Company | Stabilization of hydrogen peroxide |
JPS5953205B2 (ja) † | 1981-05-19 | 1984-12-24 | 日本カ−リツト株式会社 | 高純度の二酸化塩素を製造する方法 |
US4683039A (en) * | 1985-12-24 | 1987-07-28 | Tenneco Canada Inc. (Erco Division) | Membrane pervaporation process |
US4798715A (en) * | 1988-02-05 | 1989-01-17 | Eltech Systems Corporation | Producing chlorine dioxide from chlorate salt |
US4806215A (en) * | 1988-07-27 | 1989-02-21 | Tenneco Canada Inc. | Combined process for production of chlorine dioxide and sodium hydroxide |
US4915927A (en) * | 1988-10-21 | 1990-04-10 | Tenneco Canada Inc. | Production of chloric acid |
JPH0621005B2 (ja) † | 1989-09-29 | 1994-03-23 | ダイソー株式会社 | 二酸化塩素の製造法 |
US5106465A (en) * | 1989-12-20 | 1992-04-21 | Olin Corporation | Electrochemical process for producing chlorine dioxide solutions from chlorites |
US5258105A (en) † | 1990-02-06 | 1993-11-02 | Olin Corporation | Chloric acid - alkali metal chlorate mixtures and chlorine dioxide generation |
US5248397A (en) † | 1990-02-06 | 1993-09-28 | Olin Corporation | Chlorine dioxide generation from chloric acid - alkali metal chlorate mixtures |
US5084148A (en) * | 1990-02-06 | 1992-01-28 | Olin Corporation | Electrochemical process for producing chloric acid - alkali metal chlorate mixtures |
US5108560A (en) * | 1990-03-30 | 1992-04-28 | Olin Corporation | Electrochemical process for production of chloric acid from hypochlorous acid |
CA2023733C (en) * | 1990-08-21 | 1998-04-14 | Marek Lipsztajn | Chlorine dioxide generation from chloric acid |
SE500043C2 (sv) * | 1990-08-31 | 1994-03-28 | Eka Nobel Ab | Förfarande för kontinuerlig framställning av klordioxid |
SE500042C2 (sv) * | 1990-08-31 | 1994-03-28 | Eka Nobel Ab | Förfarande för kontinuerlig framställning av klordioxid |
-
1992
- 1992-06-09 US US07/895,634 patent/US5486344A/en not_active Expired - Lifetime
- 1992-08-26 CA CA002076904A patent/CA2076904C/en not_active Expired - Lifetime
-
1993
- 1993-05-27 WO PCT/SE1993/000472 patent/WO1993025470A1/en active IP Right Grant
- 1993-05-27 DE DE69327650T patent/DE69327650D1/de not_active Expired - Lifetime
- 1993-05-27 JP JP6501372A patent/JP2819066B2/ja not_active Expired - Lifetime
- 1993-05-27 BR BR9306505A patent/BR9306505A/pt not_active IP Right Cessation
- 1993-05-27 EP EP93913716A patent/EP0644853B2/en not_active Expired - Lifetime
- 1993-06-07 ZA ZA933999A patent/ZA933999B/xx unknown
-
1994
- 1994-12-07 FI FI945747A patent/FI112352B/fi not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008514535A (ja) * | 2004-09-24 | 2008-05-08 | アクゾ ノーベル エヌ.ブイ. | 二酸化塩素を製造する方法 |
JP2012067007A (ja) * | 2004-09-24 | 2012-04-05 | Akzo Nobel Nv | 二酸化塩素を製造する方法 |
Also Published As
Publication number | Publication date |
---|---|
FI945747A0 (fi) | 1994-12-07 |
CA2076904A1 (en) | 1993-12-10 |
ZA933999B (en) | 1994-02-21 |
WO1993025470A1 (en) | 1993-12-23 |
EP0644853B1 (en) | 1996-03-20 |
BR9306505A (pt) | 1998-09-15 |
JP2819066B2 (ja) | 1998-10-30 |
EP0644853A1 (en) | 1995-03-29 |
DE69327650D1 (de) | 2000-02-24 |
FI112352B (fi) | 2003-11-28 |
FI945747A (fi) | 1994-12-07 |
US5486344A (en) | 1996-01-23 |
EP0644853B2 (en) | 2007-06-27 |
CA2076904C (en) | 2002-01-22 |
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