MA34803B1 - Récupération régénérative du dioxyde de soufre présent dans des effluents gazeux - Google Patents

Récupération régénérative du dioxyde de soufre présent dans des effluents gazeux

Info

Publication number
MA34803B1
MA34803B1 MA35920A MA35920A MA34803B1 MA 34803 B1 MA34803 B1 MA 34803B1 MA 35920 A MA35920 A MA 35920A MA 35920 A MA35920 A MA 35920A MA 34803 B1 MA34803 B1 MA 34803B1
Authority
MA
Morocco
Prior art keywords
sulfur dioxide
present
gaseous effluents
absorption solution
nox
Prior art date
Application number
MA35920A
Other languages
English (en)
Inventor
Ernesto Vera-Castaneda
Original Assignee
Mecs Inc
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 Mecs Inc filed Critical Mecs Inc
Publication of MA34803B1 publication Critical patent/MA34803B1/fr

Links

Classifications

    • 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
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur 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
    • B01D53/14—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 by absorption
    • B01D53/1456—Removing acid components
    • B01D53/1481—Removing sulfur dioxide or sulfur trioxide
    • 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
    • B01D53/002—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 by condensation
    • 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
    • B01D53/14—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 by absorption
    • B01D53/1418—Recovery of products
    • 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
    • B01D53/14—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 by absorption
    • B01D53/1425—Regeneration of liquid absorbents
    • 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
    • B01D53/14—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 by absorption
    • B01D53/1493—Selection of liquid materials for use as absorbents
    • 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
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/507—Sulfur oxides by treating the gases with other liquids
    • 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
    • B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
    • 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
    • C01B17/02—Preparation of sulfur; Purification
    • C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
    • C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
    • C01B17/0408—Pretreatment of the hydrogen sulfide containing gases
    • 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
    • C01B17/56—Separation; Purification
    • 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
    • C01B17/60—Isolation of sulfur dioxide from gases
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/30—Alkali metal compounds
    • B01D2251/304—Alkali metal compounds of sodium
    • 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
    • B01D2257/00—Components to be removed
    • B01D2257/80—Water
    • 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
    • B01D53/96—Regeneration, reactivation or recycling of reactants
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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
    • Y02P20/10—Process efficiency
    • 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
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
    • 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
    • Y02P20/50—Improvements relating to the production of bulk chemicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

CETTE INVENTION CONCERNE DES PROCÉDÉS D'ÉLIMINATION SÉLECTIVE DE CONTAMINANTS PRÉSENTS DANS DES EFFLUENTS GAZEUX. CERTAINS MODES DE RÉALISATION DE L'INVENTION CONCERNENT PLUS PARTICULIÈREMENT L'ÉLIMINATION SÉLECTIVE ET LA RÉCUPÉRATION DU DIOXYDE DE SOUFRE PRÉSENT DANS DES EFFLUENTS GAZEUX LORS D'UN PROCESSUS D'ABSORPTION/DE DÉSORPTION UTILISANT UNE SOLUTION D'ABSORPTION AQUEUSE TAMPON COMPRENANT CERTAINS ACIDES ORGANIQUES OU INORGANIQUES FAIBLES OU LEURS SELS, DE PRÉFÉRENCE CERTAINS ACIDES CARBOXYLIQUES POLYPROTIQUES OU LEURS SELS, POUR ABSORBER SÉLECTIVEMENT LE DIOXYDE DE SOUFRE PRÉSENT DANS L'EFFLUENT GAZEUX. DES INHIBITEURS D'OXYDATION PEUVENT ÊTRE UTILISÉS. LE DIOXYDE DE SOUFRE ABSORBÉ EST ENSUITE DÉPOUILLÉ POUR RÉGÉNÉRER LA SOLUTION D'ABSORPTION ET PRODUIRE UN GAZ ENRICHI EN DIOXYDE DE SOUFRE. LA RÉGÉNÉRATION DE LA SOLUTION D'ABSORPTION PEUT COMPORTER UN EXTRACTEUR DE DIOXYDE DE SOUFRE INTÉGRÉ ET UN SYSTÈME DE POMPE À CHALEUR ASSURANT UNE MEILLEURE EFFICACITÉ ÉNERGÉTIQUE. D'AUTRES MODES DE RÉALISATION DE L'INVENTION CONCERNENT UN PROCÉDÉ D'ÉLIMINATION SIMULTANÉE DU DIOXYDE DE SOUFRE ET D'OXYDES D'AZOTE (NOX) PRÉSENTS DANS DES EFFLUENTS GAZEUX ET DE RÉCUPÉRATION DU DIOXYDE DE SOUFRE. LE PROCÉDÉ UTILISE UNE SOLUTION D'ABSORPTION AQUEUSE TAMPON COMPRENANT ÉGALEMENT UN CHÉLATE MÉTALLIQUE POUR ABSORBER LE DIOXYDE DE SOUFRE ET LES NOX PRÉSENTS DANS LE GAZ ET RÉDUIRE ENSUITE LES NOX ABSORBÉS POUR FORMER DE L'AZOTE. L'INVENTION CONCERNE PAR AILLEURS UN PROCÉDÉ PERMETTANT DE CONTRÔLER LA CONCENTRATION DES CONTAMINANTS DE SEL DE SULFATE PRÉSENTS DANS LA SOLUTION D'ABSORPTION PAR CRISTALLISATION PARTIELLE ET ÉLIMINATION DES CRISTAUX DE SEL DE SULFATE.
MA35920A 2010-10-29 2013-05-16 Récupération régénérative du dioxyde de soufre présent dans des effluents gazeux MA34803B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40842010P 2010-10-29 2010-10-29
PCT/US2011/058314 WO2012058558A2 (fr) 2010-10-29 2011-10-28 Récupération régénérative du dioxyde de soufre présent dans des effluents gazeux

Publications (1)

Publication Number Publication Date
MA34803B1 true MA34803B1 (fr) 2014-01-02

Family

ID=44947236

Family Applications (1)

Application Number Title Priority Date Filing Date
MA35920A MA34803B1 (fr) 2010-10-29 2013-05-16 Récupération régénérative du dioxyde de soufre présent dans des effluents gazeux

Country Status (18)

Country Link
US (2) US10272380B2 (fr)
EP (3) EP4242172A3 (fr)
KR (2) KR102147166B1 (fr)
CN (1) CN103249465B (fr)
AU (2) AU2011320511B2 (fr)
BR (1) BR112013010219B1 (fr)
CA (2) CA2816092C (fr)
CL (1) CL2013001144A1 (fr)
ES (2) ES2749853T3 (fr)
GE (1) GEP201706694B (fr)
LT (1) LT3513862T (fr)
MA (1) MA34803B1 (fr)
MX (3) MX2013004816A (fr)
PE (1) PE20140441A1 (fr)
PH (3) PH12018502143B1 (fr)
RU (1) RU2583024C2 (fr)
WO (1) WO2012058558A2 (fr)
ZA (3) ZA201303036B (fr)

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CN112414795A (zh) * 2020-12-14 2021-02-26 北京市环境保护科学研究院 固定污染源多形态氨的一体化采集方法及系统
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CN113522003A (zh) * 2021-08-09 2021-10-22 安徽海螺建材设计研究院有限责任公司 水泥厂间歇性高温烟气的半干法脱硫方法
TWI769913B (zh) 2021-08-24 2022-07-01 財團法人工業技術研究院 陶瓷複合物及其製備方法
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