BRPI0712503A2 - processo para oxidação catalìtica de sulfeto para sulfato - Google Patents
processo para oxidação catalìtica de sulfeto para sulfato Download PDFInfo
- Publication number
- BRPI0712503A2 BRPI0712503A2 BRPI0712503-8A BRPI0712503A BRPI0712503A2 BR PI0712503 A2 BRPI0712503 A2 BR PI0712503A2 BR PI0712503 A BRPI0712503 A BR PI0712503A BR PI0712503 A2 BRPI0712503 A2 BR PI0712503A2
- Authority
- BR
- Brazil
- Prior art keywords
- process according
- sulfide
- sulfate
- sulphide
- reactor
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/508—Preparation of sulfur dioxide by oxidation of sulfur compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/96—Methods for the preparation of sulfates in general
-
- 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
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/12—Combustion of pulp liquors
- D21C11/14—Wet combustion ; Treatment of pulp liquors without previous evaporation, by oxidation of the liquors remaining at least partially in the liquid phase, e.g. by application or pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/101—Sulfur compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006024917 | 2006-05-24 | ||
DE102006024917.8 | 2006-05-24 | ||
PCT/EP2007/055035 WO2007135184A2 (de) | 2006-05-24 | 2007-05-24 | Verfahren zur katalytischen oxidation von sulfid zu sulfat |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0712503A2 true BRPI0712503A2 (pt) | 2012-08-28 |
Family
ID=38537640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0712503-8A BRPI0712503A2 (pt) | 2006-05-24 | 2007-05-24 | processo para oxidação catalìtica de sulfeto para sulfato |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2029479A2 (de) |
CN (1) | CN101495404B (de) |
BR (1) | BRPI0712503A2 (de) |
WO (1) | WO2007135184A2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101798068B (zh) * | 2010-03-29 | 2011-10-26 | 罗德春 | 常温常压下硫化物或硫代硫酸盐的催化空气完全氧化法 |
CN111099712A (zh) * | 2020-01-15 | 2020-05-05 | 山东汇海医药化工有限公司 | 一种使用氧气处理dcc合成过程中产生的硫化碱废水的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4024229A (en) * | 1970-11-06 | 1977-05-17 | The Mead Corporation | Production of polysulfide with PTFE coated catalyst |
JPS62247812A (ja) * | 1986-04-18 | 1987-10-28 | Chiyoda Chem Eng & Constr Co Ltd | 加圧式上向流深層濾過方法及びそれに用いる濾過器 |
US4839154A (en) * | 1986-12-29 | 1989-06-13 | Conoco Inc. | Process for converting sulfide ion to innocuous, solubile sulfur species |
DE3718277A1 (de) * | 1987-05-30 | 1988-12-15 | Metallgesellschaft Ag | Verfahren zur herstellung von bariumsulfat mit chemoreaktiver oberflaeche |
US5207927A (en) * | 1992-03-18 | 1993-05-04 | Uop | Treatment of an aqueous stream containing water-soluble inorganic sulfide compounds |
-
2007
- 2007-05-24 CN CN200780027892.2A patent/CN101495404B/zh not_active Expired - Fee Related
- 2007-05-24 BR BRPI0712503-8A patent/BRPI0712503A2/pt not_active IP Right Cessation
- 2007-05-24 WO PCT/EP2007/055035 patent/WO2007135184A2/de active Application Filing
- 2007-05-24 EP EP07729466A patent/EP2029479A2/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2007135184A2 (de) | 2007-11-29 |
CN101495404A (zh) | 2009-07-29 |
CN101495404B (zh) | 2013-05-29 |
WO2007135184A3 (de) | 2008-04-17 |
EP2029479A2 (de) | 2009-03-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08L | Patent application lapsed because of non payment of annual fee [chapter 8.12 patent gazette] |
Free format text: REFERENTE AO NAO RECOLHIMENTO DAS 6A E 7A ANUIDADES. |
|
B08I | Publication cancelled [chapter 8.9 patent gazette] |
Free format text: ANULADA A PUBLICACAO CODIGO 8.12 NA RPI NO 2260 DE 29/04/2014 POR TER SIDO INDEVIDA. |
|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE AS 6A, 7A, 8A, 9A, 10A, 11A, 12A E 13A ANUIDADES. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2602 DE 17-11-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |