GB1349887A - Removal of nitrogen oxides and other impurities from gaseous mixtures - Google Patents

Removal of nitrogen oxides and other impurities from gaseous mixtures

Info

Publication number
GB1349887A
GB1349887A GB2228071A GB2228071A GB1349887A GB 1349887 A GB1349887 A GB 1349887A GB 2228071 A GB2228071 A GB 2228071A GB 2228071 A GB2228071 A GB 2228071A GB 1349887 A GB1349887 A GB 1349887A
Authority
GB
United Kingdom
Prior art keywords
mixture
molten salt
nitrogen oxides
impurities
gas
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.)
Expired
Application number
GB2228071A
Other languages
English (en)
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.)
Boeing North American Inc
Original Assignee
North American Rockwell Corp
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 North American Rockwell Corp filed Critical North American Rockwell Corp
Publication of GB1349887A publication Critical patent/GB1349887A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—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
    • B01D53/54—Nitrogen compounds
    • B01D53/56—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
    • B01D53/64—Heavy metals or compounds thereof, e.g. mercury
    • 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
    • B01D53/68—Halogens or halogen compounds
    • 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
    • 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
    • B01D53/922—Mixtures of carbon monoxide or hydrocarbons and nitrogen oxides
    • B01D53/925—Simultaneous elimination of carbon monoxide or hydrocarbons and nitrogen oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0871—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents using means for controlling, e.g. purging, the absorbents or adsorbents
    • F01N3/0885—Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treating Waste Gases (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
GB2228071A 1970-02-20 1971-04-19 Removal of nitrogen oxides and other impurities from gaseous mixtures Expired GB1349887A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US1323470A 1970-02-20 1970-02-20
US1324670A 1970-02-20 1970-02-20
US1324870A 1970-02-20 1970-02-20

Publications (1)

Publication Number Publication Date
GB1349887A true GB1349887A (en) 1974-04-10

Family

ID=27359818

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2228071A Expired GB1349887A (en) 1970-02-20 1971-04-19 Removal of nitrogen oxides and other impurities from gaseous mixtures

Country Status (3)

Country Link
JP (1) JPS515633B1 (enrdf_load_stackoverflow)
DE (1) DE2108059A1 (enrdf_load_stackoverflow)
GB (1) GB1349887A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2540170A1 (es) * 2015-05-04 2015-07-08 Condorchem Envitech S.L. Procedimiento para el tratamiento de óxidos de nitrógeno procedentes de almacenamiento de energía térmica mediante sales fundidas
CN106268263A (zh) * 2016-10-17 2017-01-04 浙江大学 一种前置氧化喷淋多种污染物协同控制系统及方法
WO2017029169A1 (en) * 2015-08-14 2017-02-23 Orion Engineered Carbons Gmbh Methods and systems for particulate matter removal from a process exhaust gas stream
DE102018133245A1 (de) * 2018-12-20 2020-06-25 Ferdinand-Andrei Maresi Abgasfilterung mittels einer Salzschmelze
CN111569611A (zh) * 2020-05-13 2020-08-25 江西师范大学 一种三元低共熔溶剂及其制备方法和应用
CN112266184A (zh) * 2020-09-14 2021-01-26 科立视材料科技有限公司 一种抗菌熔盐、玻璃及制备方法
CN113578030A (zh) * 2020-04-30 2021-11-02 黄华丽 一种脱除烟气中汞的吸收剂浆液及其制备和脱除方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57160368A (en) * 1981-03-24 1982-10-02 Nec Corp Absorbing circuit for back power through thyristor system
JP7110012B2 (ja) * 2018-07-03 2022-08-01 株式会社東芝 活性金属処理装置および活性金属処理方法
CN114367179B (zh) * 2021-12-03 2023-04-11 首钢集团有限公司 一种以钢渣为原料的脱硝固碳剂及其制备方法和应用

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016177923A1 (es) * 2015-05-04 2016-11-10 Condorchem Envitech Sl Procedimiento para el tratamiento de óxidos de nitrógeno procedentes de almacenamiento de energía térmica mediante sales fundidas
ES2540170A1 (es) * 2015-05-04 2015-07-08 Condorchem Envitech S.L. Procedimiento para el tratamiento de óxidos de nitrógeno procedentes de almacenamiento de energía térmica mediante sales fundidas
US11667794B2 (en) 2015-08-14 2023-06-06 Orion Engineered Carbons Gmbh Methods and systems for particulate matter removal from a process exhaust gas stream
WO2017029169A1 (en) * 2015-08-14 2017-02-23 Orion Engineered Carbons Gmbh Methods and systems for particulate matter removal from a process exhaust gas stream
CN108137943A (zh) * 2015-08-14 2018-06-08 欧励隆工程炭公司 用于从工艺废气流中去除颗粒物质的方法和系统
CN112057995A (zh) * 2015-08-14 2020-12-11 欧励隆工程炭公司 用于从工艺废气流中去除颗粒物质的方法和系统
US10870762B2 (en) 2015-08-14 2020-12-22 Orion Engineered Carbons Gmbh Methods and systems for particulate matter removal from a process exhaust gas stream
CN106268263A (zh) * 2016-10-17 2017-01-04 浙江大学 一种前置氧化喷淋多种污染物协同控制系统及方法
DE102018133245A1 (de) * 2018-12-20 2020-06-25 Ferdinand-Andrei Maresi Abgasfilterung mittels einer Salzschmelze
CN113578030B (zh) * 2020-04-30 2024-01-26 黄华丽 一种脱除烟气中汞的吸收剂浆液及其制备和脱除方法
CN113578030A (zh) * 2020-04-30 2021-11-02 黄华丽 一种脱除烟气中汞的吸收剂浆液及其制备和脱除方法
CN111569611A (zh) * 2020-05-13 2020-08-25 江西师范大学 一种三元低共熔溶剂及其制备方法和应用
CN111569611B (zh) * 2020-05-13 2022-03-04 江西师范大学 一种三元低共熔溶剂及其制备方法和应用
CN112266184A (zh) * 2020-09-14 2021-01-26 科立视材料科技有限公司 一种抗菌熔盐、玻璃及制备方法

Also Published As

Publication number Publication date
JPS515633B1 (enrdf_load_stackoverflow) 1976-02-21
DE2108059A1 (de) 1971-08-26

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee