IT8048073A0 - Catalizzatore di eliminazione degli ossidi di azoto contenuti in unacorrente gassosa - Google Patents

Catalizzatore di eliminazione degli ossidi di azoto contenuti in unacorrente gassosa

Info

Publication number
IT8048073A0
IT8048073A0 IT8048073A IT4807380A IT8048073A0 IT 8048073 A0 IT8048073 A0 IT 8048073A0 IT 8048073 A IT8048073 A IT 8048073A IT 4807380 A IT4807380 A IT 4807380A IT 8048073 A0 IT8048073 A0 IT 8048073A0
Authority
IT
Italy
Prior art keywords
elimination
catalyst
nitrogen oxides
gaseous stream
oxides contained
Prior art date
Application number
IT8048073A
Other languages
English (en)
Other versions
IT8048073A1 (it
IT1188914B (it
Inventor
Jean-Yves Derrien
Laurent Seigneurin
Original Assignee
Rhone Poulenc Ind
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 Rhone Poulenc Ind filed Critical Rhone Poulenc Ind
Publication of IT8048073A0 publication Critical patent/IT8048073A0/it
Publication of IT8048073A1 publication Critical patent/IT8048073A1/it
Application granted granted Critical
Publication of IT1188914B publication Critical patent/IT1188914B/it

Links

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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • 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
    • B01D53/8628—Processes characterised by a specific catalyst
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/615—100-500 m2/g
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/633—Pore volume less than 0.5 ml/g
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/635—0.5-1.0 ml/g
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/647—2-50 nm
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/651—50-500 nm

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
IT48073/80A 1979-03-05 1980-03-04 Catalizzatore di eliminazione degli ossidi di azoto contenuti in una corrente gassosa IT1188914B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7905598A FR2450784A1 (fr) 1979-03-05 1979-03-05 Catalyseur d'elimination des oxydes d'azote contenus dans un courant gazeux

Publications (3)

Publication Number Publication Date
IT8048073A0 true IT8048073A0 (it) 1980-03-04
IT8048073A1 IT8048073A1 (it) 1981-09-04
IT1188914B IT1188914B (it) 1988-01-28

Family

ID=9222745

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48073/80A IT1188914B (it) 1979-03-05 1980-03-04 Catalizzatore di eliminazione degli ossidi di azoto contenuti in una corrente gassosa

Country Status (15)

Country Link
US (1) US4314913A (it)
JP (1) JPS5916494B2 (it)
BE (1) BE882061A (it)
BR (1) BR8001269A (it)
DE (1) DE3008306C2 (it)
DK (1) DK151939C (it)
FI (1) FI67790C (it)
FR (1) FR2450784A1 (it)
GB (1) GB2046119B (it)
GR (1) GR67218B (it)
IE (1) IE49534B1 (it)
IT (1) IT1188914B (it)
LU (1) LU82218A1 (it)
NL (1) NL8001309A (it)
SE (1) SE442859B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4434147A (en) 1981-10-05 1984-02-28 Chevron Research Company Simultaneous sulfur oxide and nitrogen oxide control in FCC units using cracking catalyst fines with ammonia injection
US4571329A (en) * 1984-08-13 1986-02-18 Babcock-Hitachi Kabushiki Kaisha Ammonia reduction-denitration process and apparatus therefor
DE3704030A1 (de) * 1987-02-10 1988-08-18 Ruhrgas Ag Verfahren zum abscheiden von stickstoffoxiden aus abgasen durch selektive katalytische reduktion
SE459903B (sv) * 1987-03-20 1989-08-21 Eka Nobel Ab Saett att rena roekgaser fraan kvaeveoxider
US4874590A (en) * 1988-04-07 1989-10-17 Uop Catalytic reduction of nitrogen oxides
DE4128629A1 (de) * 1991-08-29 1993-03-04 Basf Ag Silberhaltiger traegerkatalysator und verfahren zur katalytischen zersetzung von distickstoffmonoxid
FR2684899B1 (fr) * 1991-12-16 1994-03-25 Rhone Poulenc Chimie Catalyseur de reduction selective des oxydes d'azote contenus dans un flux gazeux et application desdits catalyseurs.
DE19533484A1 (de) * 1995-09-12 1997-03-13 Basf Ag Monomodale und polymodale Katalysatorträger und Katalysatoren mit engen Porengrößenverteilungen und deren Herstellverfahren
DE19533486A1 (de) * 1995-09-12 1997-03-13 Basf Ag Monomodale und polymodale Katalysatorträger und Katalysatoren mit engen Porengrößenverteilungen und deren Herstellverfahren
EP1733791A3 (en) * 2000-05-19 2008-04-02 Johnson Matthey PLC Preparation of a cobalt catalyst precursor
US6800585B2 (en) * 2001-02-13 2004-10-05 Sk Corporation Catalyst for selective catalytic reduction of nitrogen oxides and a method for preparing the same
CN102000585B (zh) * 2010-08-16 2015-09-23 华电电力科学研究院 一种脱硝催化剂及其制备方法
CN108430607A (zh) * 2015-12-22 2018-08-21 国际壳牌研究有限公司 一种用于减少氮氧化物的催化剂床和方法
CN113893686A (zh) * 2015-12-22 2022-01-07 国际壳牌研究有限公司 催化剂床和用于还原氮氧化物的方法
US11179675B2 (en) * 2015-12-22 2021-11-23 Shell Oil Company Reactor for reducing nitrogen oxides

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL296764A (it) * 1962-08-17
US3279884A (en) * 1963-10-31 1966-10-18 Basf Ag Selective removal of oxides of nitrogen from gas mixtures containing oxygen
US3864451A (en) * 1973-08-16 1975-02-04 Environics Inc Method for Removing Nitric Oxide from Combustion Gases
CS179083B1 (en) * 1974-12-17 1977-10-31 Miroslav Markvart Mode of vanadium catalyzer production
US4164546A (en) * 1974-12-19 1979-08-14 Exxon Research & Engineering Co. Method of removing nitrogen oxides from gaseous mixtures
JPS5177593A (en) * 1974-12-28 1976-07-05 Japan Gasoline Haigasuchuno chitsusosankabutsukangenyoshokubai
US4031185A (en) * 1975-02-03 1977-06-21 Hitachi, Ltd. Process for making nitrogen oxides contained in flue gas harmless
FR2299909A1 (fr) * 1975-02-04 1976-09-03 Azote & Prod Chim Epuration des effluents gazeux contenant des oxydes d'azote

Also Published As

Publication number Publication date
GB2046119B (en) 1983-04-20
NL8001309A (nl) 1980-09-09
IT8048073A1 (it) 1981-09-04
JPS55119443A (en) 1980-09-13
DE3008306C2 (de) 1986-01-30
BR8001269A (pt) 1980-11-04
DE3008306A1 (de) 1980-09-11
IE49534B1 (en) 1985-10-16
FI67790B (fi) 1985-02-28
US4314913A (en) 1982-02-09
FI67790C (fi) 1985-06-10
LU82218A1 (fr) 1980-09-24
DK151939B (da) 1988-01-18
DK151939C (da) 1988-07-11
FR2450784A1 (fr) 1980-10-03
IT1188914B (it) 1988-01-28
JPS5916494B2 (ja) 1984-04-16
BE882061A (fr) 1980-09-04
DK90980A (da) 1980-09-06
NL193210C (it) 1999-03-03
NL193210B (it) 1998-11-02
IE800424L (en) 1980-09-05
FR2450784B1 (it) 1982-02-12
GR67218B (it) 1981-06-24
SE442859B (sv) 1986-02-03
SE8001723L (sv) 1980-09-06
FI800657A7 (fi) 1980-09-06
GB2046119A (en) 1980-11-12

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970329