BRPI0903159C1 - materias cerÂmicos para absorÇço de gases Ácidos, processo de preparaÇço dos mesmo e processo cÍclico para a absorÇço e regeneraÇço de gases Ácidos - Google Patents

materias cerÂmicos para absorÇço de gases Ácidos, processo de preparaÇço dos mesmo e processo cÍclico para a absorÇço e regeneraÇço de gases Ácidos

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Publication number
BRPI0903159C1
BRPI0903159C1 BRPI0903159A BRPI0903159C1 BR PI0903159 C1 BRPI0903159 C1 BR PI0903159C1 BR PI0903159 A BRPI0903159 A BR PI0903159A BR PI0903159 C1 BRPI0903159 C1 BR PI0903159C1
Authority
BR
Brazil
Prior art keywords
absorption
present
carbon dioxide
ceramic materials
acids
Prior art date
Application number
Other languages
English (en)
Inventor
Jadson Claudio Belchior
Lima Geraldo Magela De
Pereira Geison Voga
Oliveira Rogerio De
Ribeiro Wellerson Fonseca
Andrade Fabricio Vieira De
Original Assignee
Univ Minas Gerais
Ama Solucoes Tecnologicas Ltda
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42728855&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0903159(C1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Univ Minas Gerais, Ama Solucoes Tecnologicas Ltda filed Critical Univ Minas Gerais
Priority to BRPI0903159-6 priority Critical patent/BRPI0903159C1/pt
Priority to US13/256,439 priority patent/US8969230B2/en
Priority to PCT/BR2010/000075 priority patent/WO2010102371A2/pt
Publication of BRPI0903159A2 publication Critical patent/BRPI0903159A2/pt
Publication of BRPI0903159C1 publication Critical patent/BRPI0903159C1/pt
Priority to US14/589,794 priority patent/US9724671B2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/34—Regenerating or reactivating
    • B01J20/3483—Regenerating or reactivating by thermal treatment not covered by groups B01J20/3441 - B01J20/3475, e.g. by heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/62—Carbon oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/041—Oxides or hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/045—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium containing sulfur, e.g. sulfates, thiosulfates, gypsum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/12—Naturally occurring clays or bleaching earth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/34—Regenerating or reactivating
    • B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
    • B01J20/3475—Regenerating or reactivating using a particular desorbing compound or mixture in the liquid phase
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/20—Graphite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/50—Carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/30—Alkali metal compounds
    • B01D2251/306—Alkali metal compounds of potassium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/402—Alkaline earth metal or magnesium compounds of magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/10—Inorganic absorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/104—Alumina
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/22—Carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/302—Sulfur oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/504—Carbon dioxide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/514—Process applicable either to preparing or to regenerating or to rehabilitating catalyst or sorbent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Combustion & Propulsion (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Manufacturing & Machinery (AREA)

Abstract

MATERIAIS CERÂMICOS PARA ABSORÇçO DE GASES ÁCIDOS, PROCESSO DE PREPARAÇçO DOS MESMOS E PROCESSO CÍCLICO PARA A ABSORÇçO E REGENERAÇçO DE GASES ÁCIDOS" CAMPO DE APLICAÇçO. A presente invenção descreve o processo de preparação de cerâmicas para absorção de gases ácidos, agravantes do efeito estufa, que são liberados em sistemas de combustão, ou que estão presentes em ambientes fechados. Em relação ao dióxido de carbono, alvo principal da presente invenção, é descrito um processo de absorção, transporte, processamento e transformação do gás em outros produtos. O processo utiliza materiais cerâmicos preparados através da mistura sólida de um ou mais óxidos metálicos, com um ou mais agentes aglomerantes e um agente expansivo. O produto gerado pode ser processado e o sistema absorvente regenerado. O dióxido de carbono obtido no processamento pode ser empregado como gás carbônico analítico ou comercial, carbamatos diversos e carbonato de amônio. ESTADO DA TÉCNICA. A emissão de gases de efeito estufa tais como metano (CH~ 4~), dióxido de carbono (CO~ 2~), dióxido de enxofre (SO~ 2~), trióxido de enxofre (SO~ 3~) e óxidos nitrogenados, bem como compostos hidrocarbonetos (HC) tem provocado uma série de mudanças climáticas que são desfavoráveis à manutenção da vida. Podem-se citar fenômenos tais como o prolongamento de períodos de estiagem, formação de tempestades de dimensões catastróficas, furacões e tornados em regiões que não apresentavam esses tipos de fenômenos climáticos, além da elevação global da temperatura da atmosfera e dos oceanos. Associados a essas modificações climáticas existem também a formação de chuva ácida que é intensificada pela presença de gases ácidos e a poluição intrínseca encontrada na forma de material particulado e substâncias tóxicas, que passam a fazer parte da atmosfera que está em contato direto com praticamente todos os organismos aeróbicos presentes na biosfera.
BRPI0903159-6 2009-03-13 2009-03-13 materias cerÂmicos para absorÇço de gases Ácidos, processo de preparaÇço dos mesmo e processo cÍclico para a absorÇço e regeneraÇço de gases Ácidos BRPI0903159C1 (pt)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BRPI0903159-6 BRPI0903159C1 (pt) 2009-03-13 2009-03-13 materias cerÂmicos para absorÇço de gases Ácidos, processo de preparaÇço dos mesmo e processo cÍclico para a absorÇço e regeneraÇço de gases Ácidos
US13/256,439 US8969230B2 (en) 2009-03-13 2010-03-12 Cyclic process for absorption and regeneration of acidic gases
PCT/BR2010/000075 WO2010102371A2 (pt) 2009-03-13 2010-03-12 Materiais cerâmicos para absorção de gases ácidos, processo de preparação dos mesmos e processo cíclico para a absorção e regeneração de gases ácidos
US14/589,794 US9724671B2 (en) 2009-03-13 2015-01-05 Ceramic materials for absorption of acidic gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0903159-6 BRPI0903159C1 (pt) 2009-03-13 2009-03-13 materias cerÂmicos para absorÇço de gases Ácidos, processo de preparaÇço dos mesmo e processo cÍclico para a absorÇço e regeneraÇço de gases Ácidos

Publications (2)

Publication Number Publication Date
BRPI0903159A2 BRPI0903159A2 (pt) 2010-11-23
BRPI0903159C1 true BRPI0903159C1 (pt) 2013-07-09

Family

ID=42728855

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0903159-6 BRPI0903159C1 (pt) 2009-03-13 2009-03-13 materias cerÂmicos para absorÇço de gases Ácidos, processo de preparaÇço dos mesmo e processo cÍclico para a absorÇço e regeneraÇço de gases Ácidos

Country Status (3)

Country Link
US (2) US8969230B2 (pt)
BR (1) BRPI0903159C1 (pt)
WO (1) WO2010102371A2 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0903159C1 (pt) 2009-03-13 2013-07-09 Univ Minas Gerais materias cerÂmicos para absorÇço de gases Ácidos, processo de preparaÇço dos mesmo e processo cÍclico para a absorÇço e regeneraÇço de gases Ácidos
DE102016219301A1 (de) 2016-10-05 2018-04-05 Audi Ag Verfahren und Vorrichtung zur Abgasreinigung
CN106492602A (zh) * 2016-11-07 2017-03-15 中国铝业股份有限公司 一种复合烟气脱硫剂及其脱硫方法
US10315986B1 (en) 2018-04-06 2019-06-11 Solenis Technologies, L.P. Systems and methods for forming a solution of ammonium carbamate
US11180860B2 (en) 2018-05-18 2021-11-23 California Institute Of Technology Process to convert reduced sulfur species and water into hydrogen and sulfuric acid
CN109126461B (zh) * 2018-10-31 2021-09-21 湘潭大学 一种烟气脱硫吸收剂的再生方法
WO2021030529A1 (en) 2019-08-13 2021-02-18 California Institute Of Technology Process to make calcium oxide or ordinary portland cement from calcium bearing rocks and minerals
WO2026011061A1 (en) 2024-07-03 2026-01-08 Anvil Capture Systems Inc. Structured powders for carbon dioxide capture

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56130225A (en) * 1980-03-17 1981-10-13 Hisamitsu:Kk Adsorbent
JPH0729052B2 (ja) * 1988-05-18 1995-04-05 ニチアス株式会社 活性炭担持ハニカム構造体の製造法
US6074984A (en) 1996-11-18 2000-06-13 Bulldog Technologies U.S.A., Inc. SOx Additive systems based upon use of multiple particle species
US6048821A (en) 1996-11-18 2000-04-11 Bulldog Technologies U.S.A., Inc. SOx additive systems based upon use of multiple particle species
GB9926898D0 (en) 1999-11-12 2000-01-12 School Of Earth & Environmenta Calcium silicate sorbents
DE10050906A1 (de) * 2000-10-13 2002-04-18 Basf Ag Verfahren zur Abtrennung von Distickstoffmonoxid aus Wasserstoff, Stickstoffmonoxid und Distickstoffmonoxid enthaltenden Gase
JP2003071241A (ja) * 2001-08-31 2003-03-11 Inax Corp 酸性ガス吸収材、その製造方法及びガス処理方法
WO2007127652A2 (en) * 2006-04-24 2007-11-08 Meadwestvaco Corporation Impregnated monoliths
BRPI0903159C1 (pt) 2009-03-13 2013-07-09 Univ Minas Gerais materias cerÂmicos para absorÇço de gases Ácidos, processo de preparaÇço dos mesmo e processo cÍclico para a absorÇço e regeneraÇço de gases Ácidos

Also Published As

Publication number Publication date
US9724671B2 (en) 2017-08-08
WO2010102371A3 (pt) 2010-11-11
WO2010102371A2 (pt) 2010-09-16
US20120093704A1 (en) 2012-04-19
US8969230B2 (en) 2015-03-03
BRPI0903159A2 (pt) 2010-11-23
US20150125368A1 (en) 2015-05-07

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Owner name: UNIVERSIDADE FEDERAL DE MINAS GERAIS (BR/MG) , AMA

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B150 Others concerning applications: publication cancelled [chapter 15.30 patent gazette]

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