PT92085A - Processo para a preparacao de dioxido de cloro - Google Patents
Processo para a preparacao de dioxido de cloroInfo
- Publication number
- PT92085A PT92085A PT92085A PT9208589A PT92085A PT 92085 A PT92085 A PT 92085A PT 92085 A PT92085 A PT 92085A PT 9208589 A PT9208589 A PT 9208589A PT 92085 A PT92085 A PT 92085A
- Authority
- PT
- Portugal
- Prior art keywords
- reaction vessel
- formic acid
- content
- chlorine dioxide
- gaseous
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 125000001309 chloro group Chemical class Cl* 0.000 title 1
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 abstract 10
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 abstract 6
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 abstract 5
- 235000019253 formic acid Nutrition 0.000 abstract 5
- 239000004155 Chlorine dioxide Substances 0.000 abstract 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- 235000019398 chlorine dioxide Nutrition 0.000 abstract 3
- 239000006227 byproduct Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- -1 alkali metal chlorate Chemical class 0.000 abstract 1
- 229910052936 alkali metal sulfate Inorganic materials 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- XTEGARKTQYYJKE-UHFFFAOYSA-M chlorate Inorganic materials [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000012429 reaction media Substances 0.000 abstract 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8803817A SE463671B (sv) | 1988-10-25 | 1988-10-25 | Foerfarande foer framstaellning av klordioxid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT92085A true PT92085A (pt) | 1990-04-30 |
| PT92085B PT92085B (pt) | 1995-08-09 |
Family
ID=20373736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT92085A PT92085B (pt) | 1988-10-25 | 1989-10-24 | Processo para a preparacao de dioxido de cloro |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4978517A (pt) |
| EP (1) | EP0366636B1 (pt) |
| JP (1) | JPH075283B2 (pt) |
| AT (1) | ATE103261T1 (pt) |
| BR (1) | BR8905386A (pt) |
| CA (1) | CA1333519C (pt) |
| DE (1) | DE68914090D1 (pt) |
| FI (1) | FI89474C (pt) |
| NZ (1) | NZ231088A (pt) |
| PT (1) | PT92085B (pt) |
| SE (1) | SE463671B (pt) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348683A (en) * | 1990-02-06 | 1994-09-20 | Olin Corporation | Chloric acid - alkali metal chlorate mixtures and chlorine dioxide generation |
| US5322598A (en) * | 1990-02-06 | 1994-06-21 | Olin Corporation | Chlorine dioxide generation using inert load of sodium perchlorate |
| US5242554A (en) * | 1990-02-06 | 1993-09-07 | Olin Corporation | Electrolytic production of chloric acid and sodium chlorate mixtures for the generation of chlorine dioxide |
| SE9002262D0 (sv) * | 1990-06-27 | 1990-06-27 | Eka Nobel Ab | Foerfarande foer framstaellning av klorioxid |
| US5205995A (en) * | 1991-04-22 | 1993-04-27 | Sterling Canada Inc. | Metathesis of acidic by-product of chlorine dioxide generating apparatus |
| US5116595A (en) * | 1991-04-22 | 1992-05-26 | Tenneco Canada Inc. | Metathesis of acidic by-product of chlorine dioxide generating process |
| CA2148462C (en) * | 1992-11-09 | 1999-08-31 | Herbert C. Scribner | Metathesis of acidic by-product of chlorine dioxide generating process |
| US5399332A (en) * | 1993-10-20 | 1995-03-21 | Sterling Canada, Inc. | Dynamic leaching procedure for metathesis |
| US5599518A (en) * | 1994-12-01 | 1997-02-04 | Olin Corporation | Catalytic process for chlorine dioxide generation from chloric acid |
| US6322768B1 (en) | 1998-09-29 | 2001-11-27 | International Paper Company | Recovery of chlorine dioxide from gas streams |
| 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 |
| US6306281B1 (en) | 1999-11-30 | 2001-10-23 | Joseph Matthew Kelley | Electrolytic process for the generation of stable solutions of chlorine dioxide |
| US6855294B2 (en) * | 2000-11-22 | 2005-02-15 | Resonance, Inc. | Apparatus and methods for efficient generation of chlorine dioxide |
| EP1720797B1 (en) * | 2004-02-23 | 2015-06-10 | Akzo Nobel N.V. | Process for production of chlorine dioxide |
| JP2005330159A (ja) * | 2004-05-21 | 2005-12-02 | Mitsubishi Gas Chem Co Inc | 食塩から化学パルプの無塩素漂白用薬品の製造方法 |
| RU2350550C1 (ru) * | 2004-12-06 | 2009-03-27 | Акцо Нобель Н.В. | Способ и устройство для производства диоксида хлора |
| CN102803131B (zh) * | 2009-06-16 | 2016-09-28 | 阿克佐诺贝尔股份有限公司 | 生产二氧化氯的方法 |
| UY32927A (es) * | 2009-10-12 | 2011-03-31 | Akzo Nobel Chemicals Int Bv | Proceso para la producción de dióxido de cloro |
| FI122623B (fi) * | 2009-10-30 | 2012-04-30 | Kemira Oyj | Menetelmä klooridioksidin valmistamiseksi |
| CN117945436B (zh) * | 2023-12-05 | 2026-04-24 | 三峡大学 | 一种氯碱废水制备高纯氯化钠的方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3864456A (en) * | 1964-08-13 | 1975-02-04 | Electric Reduction Co | Manufacture of chlorine dioxide, chlorine and anhydrous sodium sulphate |
| FR1471370A (fr) * | 1965-03-12 | 1967-03-03 | Hooker Chemical Corp | Production de bioxyde de chlore |
| US3933988A (en) * | 1966-10-24 | 1976-01-20 | Hooker Chemicals & Plastics Corporation | Method of simultaneously producing chlorine dioxide and a sulfate salt |
| US3563702A (en) * | 1968-03-05 | 1971-02-16 | Hooker Chemical Corp | Production of chlorine dioxide |
| NL7501253A (nl) * | 1974-02-15 | 1975-08-19 | Basf Ag | Werkwijze voor het winnen van mierezuur. |
| US4145401A (en) * | 1976-03-19 | 1979-03-20 | Erco Industries Limited | High efficiency chlorine dioxide production at low acidity with methanol addition |
| CA1079931A (en) * | 1976-03-19 | 1980-06-24 | Richard Swindells | High efficiency production of chlorine dioxide by solvay process |
| SE425322B (sv) * | 1976-05-11 | 1982-09-20 | Kemanobel Ab | Forfarande vid framstellning av alkalimetall- eller jordalkalimetallklorit |
| US4465658A (en) * | 1983-06-13 | 1984-08-14 | Erco Industries Limited | Chlorine dioxide process |
| US4473540A (en) * | 1983-07-07 | 1984-09-25 | Erco Industries Limited | High efficiency chlorine dioxide process |
| DE3522934A1 (de) * | 1985-06-27 | 1987-01-08 | Thomson Brandt Gmbh | Videorecorder |
| SE460046B (sv) * | 1987-03-27 | 1989-09-04 | Eka Nobel Ab | Foerfarande foer framstaellning av klordioxid |
-
1988
- 1988-10-25 SE SE8803817A patent/SE463671B/sv not_active IP Right Cessation
-
1989
- 1989-02-28 US US07/316,879 patent/US4978517A/en not_active Expired - Lifetime
- 1989-09-29 CA CA000615234A patent/CA1333519C/en not_active Expired - Lifetime
- 1989-10-17 AT AT89850354T patent/ATE103261T1/de not_active IP Right Cessation
- 1989-10-17 DE DE89850354T patent/DE68914090D1/de not_active Expired - Lifetime
- 1989-10-17 EP EP89850354A patent/EP0366636B1/en not_active Expired - Lifetime
- 1989-10-18 JP JP1269261A patent/JPH075283B2/ja not_active Expired - Lifetime
- 1989-10-19 NZ NZ231088A patent/NZ231088A/xx unknown
- 1989-10-23 FI FI895028A patent/FI89474C/fi active IP Right Grant
- 1989-10-23 BR BR898905386A patent/BR8905386A/pt not_active IP Right Cessation
- 1989-10-24 PT PT92085A patent/PT92085B/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0366636A1 (en) | 1990-05-02 |
| DE68914090D1 (de) | 1994-04-28 |
| PT92085B (pt) | 1995-08-09 |
| BR8905386A (pt) | 1990-05-22 |
| US4978517A (en) | 1990-12-18 |
| FI895028A0 (fi) | 1989-10-23 |
| SE463671B (sv) | 1991-01-07 |
| CA1333519C (en) | 1994-12-20 |
| FI89474B (fi) | 1993-06-30 |
| ATE103261T1 (de) | 1994-04-15 |
| JPH02157102A (ja) | 1990-06-15 |
| EP0366636B1 (en) | 1994-03-23 |
| SE8803817L (sv) | 1990-04-26 |
| SE8803817D0 (sv) | 1988-10-25 |
| NZ231088A (en) | 1991-08-27 |
| JPH075283B2 (ja) | 1995-01-25 |
| FI89474C (fi) | 1993-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| PT92085A (pt) | Processo para a preparacao de dioxido de cloro | |
| PT98815A (pt) | Processo para a producao de dioxido de cloro | |
| PT98814A (pt) | Processo para a producao de dioxido de cloro | |
| SE9101977L (sv) | Foerfarande foer framstaellning av klordioxid | |
| SE8803606L (sv) | Foerfarande foer framstaellning av klordioxid | |
| SE8802273D0 (sv) | Forfarande for framstellning av klordioxid | |
| US4216195A (en) | Production of chlorine dioxide having low chlorine content | |
| SE8803761L (sv) | Foerfarande foer framstaellning av klordioxid | |
| SE9000956D0 (sv) | Foerfarande foer framstaellning av klordioxid | |
| SE8901392L (sv) | Foerfarande foer framstaellning av klordioxid | |
| JPH04501552A (ja) | 次亜塩素酸の改良製造方法 | |
| US4678653A (en) | Process for preparing chlorine dioxide | |
| US3695832A (en) | Process for reducing the thiourea and sulfate content of alkali and alkaline earth-metal rhodanides |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG3A | Patent granted, date of granting |
Effective date: 19950407 |
|
| MM4A | Annulment/lapse due to non-payment of fees, searched and examined patent |
Free format text: MAXIMUM VALIDITY LIMIT REACHED Effective date: 20100407 |