FR2201250A1 - Sulphur dioxide and ammonia prodn from ammonium sulphate - by contact-ing mixture with granular solid with countercurrent hot reducing gas stream - Google Patents

Sulphur dioxide and ammonia prodn from ammonium sulphate - by contact-ing mixture with granular solid with countercurrent hot reducing gas stream

Info

Publication number
FR2201250A1
FR2201250A1 FR7233815A FR7233815A FR2201250A1 FR 2201250 A1 FR2201250 A1 FR 2201250A1 FR 7233815 A FR7233815 A FR 7233815A FR 7233815 A FR7233815 A FR 7233815A FR 2201250 A1 FR2201250 A1 FR 2201250A1
Authority
FR
France
Prior art keywords
reducing gas
prodn
ammonia
contact
gas stream
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.)
Granted
Application number
FR7233815A
Other languages
English (en)
Other versions
FR2201250B1 (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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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 IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to FR7233815A priority Critical patent/FR2201250A1/fr
Priority to JP10202173A priority patent/JPS4970894A/ja
Priority to DE19732346084 priority patent/DE2346084A1/de
Publication of FR2201250A1 publication Critical patent/FR2201250A1/fr
Application granted granted Critical
Publication of FR2201250B1 publication Critical patent/FR2201250B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/026—Preparation of ammonia from inorganic compounds
    • C01C1/028—Preparation of ammonia from inorganic compounds from ammonium sulfate or sulfite
    • 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
    • C01B17/501—Preparation of sulfur dioxide by reduction of sulfur compounds
    • C01B17/504—Preparation of sulfur dioxide by reduction of sulfur compounds of ammonium sulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/026—Preparation of ammonia from inorganic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FR7233815A 1972-09-22 1972-09-22 Sulphur dioxide and ammonia prodn from ammonium sulphate - by contact-ing mixture with granular solid with countercurrent hot reducing gas stream Granted FR2201250A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7233815A FR2201250A1 (en) 1972-09-22 1972-09-22 Sulphur dioxide and ammonia prodn from ammonium sulphate - by contact-ing mixture with granular solid with countercurrent hot reducing gas stream
JP10202173A JPS4970894A (fr) 1972-09-22 1973-09-10
DE19732346084 DE2346084A1 (de) 1972-09-22 1973-09-13 Verfahren zur herstellung von schwefeldioxid und ammoniak

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7233815A FR2201250A1 (en) 1972-09-22 1972-09-22 Sulphur dioxide and ammonia prodn from ammonium sulphate - by contact-ing mixture with granular solid with countercurrent hot reducing gas stream

Publications (2)

Publication Number Publication Date
FR2201250A1 true FR2201250A1 (en) 1974-04-26
FR2201250B1 FR2201250B1 (fr) 1978-09-29

Family

ID=9104704

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7233815A Granted FR2201250A1 (en) 1972-09-22 1972-09-22 Sulphur dioxide and ammonia prodn from ammonium sulphate - by contact-ing mixture with granular solid with countercurrent hot reducing gas stream

Country Status (3)

Country Link
JP (1) JPS4970894A (fr)
DE (1) DE2346084A1 (fr)
FR (1) FR2201250A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7704481A (nl) * 1977-04-25 1977-08-31 Stamicarbon Werkwijze voor het winnen van ammoniak en zwavel- dioxide uit verontreinigd ammoniumzout van zwavel- zuur.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1014945A (en) * 1962-11-15 1965-12-31 Roehm & Haas Gmbh Recovery of ammonia and sulphur dioxide from sulphuric acid containing ammonium sulphate or bisulphate

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1014945A (en) * 1962-11-15 1965-12-31 Roehm & Haas Gmbh Recovery of ammonia and sulphur dioxide from sulphuric acid containing ammonium sulphate or bisulphate

Also Published As

Publication number Publication date
JPS4970894A (fr) 1974-07-09
DE2346084A1 (de) 1974-03-28
FR2201250B1 (fr) 1978-09-29

Similar Documents

Publication Publication Date Title
ES315686A1 (es) Procedimiento para la reduccion de bolas artificiales de mineral de hierro beneficiado.
GB1481856A (en) Use of reducing gas by solid fossil fuel gasification for direct iron ore reduction
NL176065B (nl) Werkwijze voor het ten minste gedeeltelijk scheiden van ammoniak en kooldioxide bevattende gasmengsels.
FR2201250A1 (en) Sulphur dioxide and ammonia prodn from ammonium sulphate - by contact-ing mixture with granular solid with countercurrent hot reducing gas stream
GB1078596A (en) Process for the treatment of sulfur oxide-containing gases
GB1282204A (en) Process for the reduction of lateritic ores
GB1281284A (en) A process for pyrometallurgically treating sulphidic iron ores or iron ore concentrates
AT310775B (de) Verfahren zur getrennten Gewinnung von Ammoniak und eines Schwefeldioxyd enthaltenden Gases aus Ammoniumsulfat
GB1350832A (en) Method of calcining carbonaceous agglomerates
GB1276660A (en) Improvements in the production of lime
GB1120237A (en) Process for the catalytic production of hydrocyanic acid
IT956783B (it) Eliminazione dell idrogeno solfo rato contenuto in un gas ricco di biossido di carbonio
ES412375A1 (es) Un metodo para recuperar cobre a partir de minerales de co-bre sulfurados.
FR2028020A1 (en) Roasting material containing iron sulphide
FR2148407A1 (en) Deoxidising ores - in externally heated retort system with injection of reducing gas below heating zone
FR2101082A1 (en) Recovery of uranium values - as tetrafluoride
GB1314769A (en) Manufacture of bodies from particulate inorganic material
SU138639A1 (ru) Способ получени металлических порошков
SU559976A1 (ru) Способ получени пыли, кондиционной по содержанию серы
BE766032A (en) Recovery of fly-ash from coal-fired power stations
ES413387A1 (es) Una instalacion de purificacion de un gas que contiene es- pecialmente amoniaco nh3 y acido sulfhidrico h2s.
ES302942A1 (es) Un procedimiento para la permutacion térmica entre un material de grano fino y un gas
ES418119A1 (es) Procedimiento de sintesis de urea.
ES336396A1 (es) Un procedimiento para producir hierro esponjoso a partir deminerales o menas oxidicas.
ES376283A1 (es) Procedimiento para la fabricacion de pellets solidos.

Legal Events

Date Code Title Description
ST Notification of lapse