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WO2009001688A1 - 下水汚泥焼却炉の排ガス中のｎ２ｏ除去方法 - Google Patents

下水汚泥焼却炉の排ガス中のｎ２ｏ除去方法 Download PDF

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Publication number
WO2009001688A1
WO2009001688A1 PCT/JP2008/060829 JP2008060829W WO2009001688A1 WO 2009001688 A1 WO2009001688 A1 WO 2009001688A1 JP 2008060829 W JP2008060829 W JP 2008060829W WO 2009001688 A1 WO2009001688 A1 WO 2009001688A1
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust gas
contained
sewage sludge
sludge incinerator
removal
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2008/060829
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English (en)
French (fr)
Inventor
Toichiro Sasaki
Tetsuya Yanase
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Metawater Co Ltd
Original Assignee
Metawater Co Ltd
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 Metawater Co Ltd filed Critical Metawater Co Ltd
Publication of WO2009001688A1 publication Critical patent/WO2009001688A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen 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
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
    • B01J29/46—Iron group metals or copper
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
    • B01J29/76—Iron group metals or copper
    • B01J29/7615—Zeolite Beta
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/208—Hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20738—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B01D2257/2045—Hydrochloric acid
    • 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
    • B01D2257/402—Dinitrogen oxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00—Preventing emissions
    • F23J2215/10—Nitrogen; Compounds thereof
    • F23J2215/101—Nitrous oxide (N2O)
    • 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
    • Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Biomedical Technology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)

Abstract

本発明は、下水汚泥焼却炉の排ガス中に含まれるＮ２Ｏを、水蒸気による触媒活性の低下を回避しつつ工業的に効率良く除去することができる方法を提供するものである。このため本発明では、下水汚泥焼却炉１から出た８００～８５０°Cの高温の排ガスを、排煙処理塔６を備えた排ガス処理設備により処理し、２０～６０°Cに冷却する。これにより排ガス中の含有水蒸気濃度を２～２０体積％にまで低下させたうえ、加熱器９に通して３００～５５０°Cに再加熱する。この排ガスを還元剤の存在下でＮ２Ｏ除去触媒８と接触させ、排ガス中のＮ２Ｏを還元除去する。この方法により、Ｎ２Ｏを９０％以上除去することができる。
PCT/JP2008/060829 2007-06-26 2008-06-13 下水汚泥焼却炉の排ガス中のｎ２ｏ除去方法 Ceased WO2009001688A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-167370 2007-06-26
JP2007167370A JP2010227728A (ja) 2007-06-26 2007-06-26 下水汚泥焼却炉の排ガス中のｎ２ｏ除去方法

Publications (1)

Publication Number Publication Date
WO2009001688A1 true WO2009001688A1 (ja) 2008-12-31

Family

ID=40185508

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/060829 Ceased WO2009001688A1 (ja) 2007-06-26 2008-06-13 下水汚泥焼却炉の排ガス中のｎ２ｏ除去方法

Country Status (2)

Country Link
JP (1) JP2010227728A (ja)
WO (1) WO2009001688A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5756611B2 (ja) 2010-10-07 2015-07-29 株式会社 資生堂 分析方法
WO2024048386A1 (ja) * 2022-08-29 2024-03-07 日本ヒューム株式会社 高温ガスの処理方法
WO2024099945A1 (en) * 2022-11-11 2024-05-16 Topsoe A/S A process for the removal of nox and dinitrogen oxide in a sulfur oxides containing off-gas

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09884A (ja) * 1995-06-16 1997-01-07 Babcock Hitachi Kk 排ガス中の亜酸化窒素などの除去方法と装置および触媒
JPH09178155A (ja) * 1995-12-26 1997-07-11 Ngk Insulators Ltd 燃焼排ガスの処理方法
JP2001286736A (ja) * 2000-04-10 2001-10-16 Natl Inst Of Advanced Industrial Science & Technology Meti 亜酸化窒素ガス含有ガスの処理方法及びその処理触媒
JP2001317725A (ja) * 2000-05-10 2001-11-16 Ngk Insulators Ltd 焼却炉からの地球温暖化物質の排出低減方法
JP2005527350A (ja) * 2002-04-09 2005-09-15 ウーデ・ゲーエムベーハー 窒素酸化物を除去する方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09884A (ja) * 1995-06-16 1997-01-07 Babcock Hitachi Kk 排ガス中の亜酸化窒素などの除去方法と装置および触媒
JPH09178155A (ja) * 1995-12-26 1997-07-11 Ngk Insulators Ltd 燃焼排ガスの処理方法
JP2001286736A (ja) * 2000-04-10 2001-10-16 Natl Inst Of Advanced Industrial Science & Technology Meti 亜酸化窒素ガス含有ガスの処理方法及びその処理触媒
JP2001317725A (ja) * 2000-05-10 2001-11-16 Ngk Insulators Ltd 焼却炉からの地球温暖化物質の排出低減方法
JP2005527350A (ja) * 2002-04-09 2005-09-15 ウーデ・ゲーエムベーハー 窒素酸化物を除去する方法

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JP2010227728A (ja) 2010-10-14

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