FR2258215B1 - - Google Patents

Info

Publication number
FR2258215B1
FR2258215B1 FR7501792A FR7501792A FR2258215B1 FR 2258215 B1 FR2258215 B1 FR 2258215B1 FR 7501792 A FR7501792 A FR 7501792A FR 7501792 A FR7501792 A FR 7501792A FR 2258215 B1 FR2258215 B1 FR 2258215B1
Authority
FR
France
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
FR7501792A
Other versions
FR2258215A1 (fr
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.)
Kureha Corp
Original Assignee
Kureha 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
Priority claimed from JP915874A external-priority patent/JPS50105593A/ja
Priority claimed from JP5193474A external-priority patent/JPS50144694A/ja
Priority claimed from JP49138969A external-priority patent/JPS5165098A/ja
Priority claimed from JP49138967A external-priority patent/JPS5165078A/ja
Application filed by Kureha Corp filed Critical Kureha Corp
Publication of FR2258215A1 publication Critical patent/FR2258215A1/fr
Application granted granted Critical
Publication of FR2258215B1 publication Critical patent/FR2258215B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/24—Sulfates of ammonium
    • C01C1/245—Preparation from compounds containing nitrogen and sulfur
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
FR7501792A 1974-01-21 1975-01-21 Expired FR2258215B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP915874A JPS50105593A (fr) 1974-01-21 1974-01-21
JP5193474A JPS50144694A (fr) 1974-05-10 1974-05-10
JP49138969A JPS5165098A (ja) 1974-12-04 1974-12-04 Chitsusosankabutsuoryusananmoniumutoshite kaishusuruhoho
JP49138967A JPS5165078A (ja) 1974-12-04 1974-12-04 Chitsusosankabutsuno mugaikahoho

Publications (2)

Publication Number Publication Date
FR2258215A1 FR2258215A1 (fr) 1975-08-18
FR2258215B1 true FR2258215B1 (fr) 1978-07-21

Family

ID=27455108

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7501791A Expired FR2258214B1 (fr) 1974-01-21 1975-01-21
FR7501792A Expired FR2258215B1 (fr) 1974-01-21 1975-01-21

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR7501791A Expired FR2258214B1 (fr) 1974-01-21 1975-01-21

Country Status (5)

Country Link
US (2) US3992508A (fr)
DE (2) DE2502118A1 (fr)
FR (2) FR2258214B1 (fr)
GB (2) GB1501702A (fr)
NL (2) NL7500673A (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5096478A (fr) * 1973-12-27 1975-07-31
US4055623A (en) * 1974-01-21 1977-10-25 Kureha Kagaku Kogyo Kabushiki Kaisha Method of removing nitrogen oxides from a gas as a salt of imidodisulfonic acid
US4044101A (en) * 1974-12-21 1977-08-23 Asahi Kasei Kogyo Kabushiki Kaisha Method of treating exhaust gases containing nitrogen oxides and sulfurous acid gas
JPS51112786A (en) * 1975-03-31 1976-10-05 Hitachi Ltd Process for the removal of nitrogen oxide by absorption from exhaust g as
JPS5290477A (en) * 1976-01-27 1977-07-29 Chisso Eng Co Ltd Method of scrubbing industrial exhaust gases
US4208216A (en) * 1977-05-09 1980-06-17 Kureha Kagaku Kogyo Kabushiki Kaisha Grouting materials for consolidation of soils
US4167578A (en) * 1977-09-22 1979-09-11 Combustion Engineering, Inc. Method for removing sulfur and nitrogen compounds from a gas mixture
JPS5468775A (en) * 1977-11-11 1979-06-02 Kureha Chem Ind Co Ltd Treating method for exhaust gas containing nitrogen oxides and sulfur oxides
JPS5819327B2 (ja) * 1978-06-28 1983-04-18 呉羽化学工業株式会社 排ガスの処理方法
JPS5520608A (en) * 1978-07-28 1980-02-14 Kureha Chem Ind Co Ltd Treating method for waste gas absorption product
US4612175A (en) * 1985-08-05 1986-09-16 The United States Of America As Represented By The United States Department Of Energy Flue gas desulfurization/denitrification using metal-chelate additives
US4708854A (en) * 1986-03-10 1987-11-24 The Dow Chemical Company Process for the removal of NO from fluid streams using a water-soluble polymeric chelate of a polyvalent metal
DE3701339A1 (de) * 1987-01-19 1988-07-28 Hoelter Heinz Verfahren zur abscheidung von no(pfeil abwaerts)x(pfeil abwaerts)-spitzenbelastungen bei der rauchgasreinigung hinter fossilen verbrennungskesseln
US4957716A (en) * 1988-11-21 1990-09-18 Electric Power Research Institute, Inc. Method for removal of SO2 and NOx from combustion gases by metal chelation and thermal reduction
US4910002A (en) * 1989-05-08 1990-03-20 The Dow Chemical Company Cyclic process for the removal of NOx and SOx from gas streams using a water-soluble, polymeric chelate of a polyvalent metal and membrane separation means
US5352423A (en) * 1991-12-11 1994-10-04 Northeastern University Use of aromatic salts for simultaneously removing SO2 and NOx pollutants from exhaust of a combustion system
US5320816A (en) * 1992-10-21 1994-06-14 The Dow Chemical Company Process for absorption of sulfur dioxide and nitric oxide from flue gas
IT1273734B (it) 1994-07-22 1997-07-09 Tecno Pool Spa Convogliatore a catene con dispositivo di guida migliorato
EP2076466A2 (fr) * 2006-09-25 2009-07-08 Dong Energy Power A/S Procédé de purification des eaux usées pour des composés contenant du soufre et de l'azote
CN102078762A (zh) * 2010-12-22 2011-06-01 浙江天蓝环保技术有限公司 一种湿法脱硝后的亚硝酸盐废水脱氮工艺
WO2013166301A1 (fr) 2012-05-02 2013-11-07 Mecs, Inc. Récupération régénérative de contaminants à partir de gaz d'effluent
CA2902732C (fr) 2013-03-15 2021-10-26 Ernesto Vera-Castaneda Recuperation par regeneration d'agents de contamination de gaz effluents
US10239016B2 (en) 2016-12-07 2019-03-26 Nuorganics LLC Systems and methods for nitrogen recovery from a gas stream
MX2020011624A (es) 2017-01-16 2020-12-07 Nuorganics LLC Sistemas y metodos para recuperar compuestos nitrogenados de una corriente de gas.
CN107973324A (zh) * 2018-01-18 2018-05-01 江西金利达钾业有限责任公司 一种硝酸钾半成品分离锅
CN111167263B (zh) * 2018-11-13 2021-04-13 黄华丽 一种氮氧化物吸收剂浆液及其制备和使用方法
CN109928438B (zh) * 2019-04-01 2021-12-17 陕西科技大学 一种铁系水质净化剂生产催化剂氮氧化物脱除方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1251900B (de) * 1967-10-12 Heinrich Koppers Gesellschaft mit beschrankter Haftung, Essen Verfahren zur Ent fernung von Stickstoffverbindungen aus Gasen
US1609872A (en) * 1922-12-30 1926-12-07 Standard Dev Co Process of purifying gases
US2031802A (en) * 1932-05-06 1936-02-25 Ici Ltd Recovery of sulphur dioxide from gas mixtures
US2142987A (en) * 1935-12-24 1939-01-10 Bacon Recovery of sulphur dioxide from gases
US2132482A (en) * 1936-03-16 1938-10-11 Wabash Screen Door Company Chair seat
US2865707A (en) * 1954-11-19 1958-12-23 Du Pont Iron salts
US3044844A (en) * 1958-05-29 1962-07-17 Hercules Powder Co Ltd Method of removing nitrogen oxides from fluids and nitrous acid
FR1302767A (fr) * 1961-10-05 1962-08-31 North Western Gas Board Procédé perfectionné pour l'élimination de l'hydrogène-sulfuré
NO120676B (fr) * 1964-11-11 1970-11-23 Sincat Spa
US3565813A (en) * 1967-10-02 1971-02-23 Frederick C Bersworth Composite chelating compositions
NL6912935A (fr) * 1968-08-31 1970-03-03
US3833508A (en) * 1971-04-27 1974-09-03 Itt Gas removal method and composition

Also Published As

Publication number Publication date
GB1501702A (en) 1978-02-22
GB1501701A (en) 1978-02-22
FR2258214B1 (fr) 1978-04-21
FR2258214A1 (fr) 1975-08-18
US3991161A (en) 1976-11-09
US3992508A (en) 1976-11-16
FR2258215A1 (fr) 1975-08-18
DE2502118A1 (de) 1975-07-24
NL7500673A (nl) 1975-07-23
NL7500672A (nl) 1975-07-23
DE2502117A1 (de) 1975-07-24

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Legal Events

Date Code Title Description
ST Notification of lapse