BRPI0712503A2 - processo para oxidação catalìtica de sulfeto para sulfato - Google Patents

processo para oxidação catalìtica de sulfeto para sulfato Download PDF

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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
Application number
BRPI0712503-8A
Other languages
English (en)
Portuguese (pt)
Inventor
Peter Ebbinghaus
Jochen Winkler
Wolfgang Schaffer
Jorg Erassme
Original Assignee
Sachtleben Cheme Gmbh
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 Sachtleben Cheme Gmbh filed Critical Sachtleben Cheme Gmbh
Publication of BRPI0712503A2 publication Critical patent/BRPI0712503A2/pt

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)
BRPI0712503-8A 2006-05-24 2007-05-24 processo para oxidação catalìtica de sulfeto para sulfato BRPI0712503A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006024917 2006-05-24
DE102006024917.8 2006-05-24
PCT/EP2007/055035 WO2007135184A2 (fr) 2006-05-24 2007-05-24 Procédé d'oxydation catalytique de sulfure en sulfate

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 (fr)
CN (1) CN101495404B (fr)
BR (1) BRPI0712503A2 (fr)
WO (1) WO2007135184A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
WO2007135184A2 (fr) 2007-11-29
CN101495404A (zh) 2009-07-29
CN101495404B (zh) 2013-05-29
WO2007135184A3 (fr) 2008-04-17
EP2029479A2 (fr) 2009-03-04

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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]

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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.