FR2420509A1 - Ferric oxide and hydrochloric acid prodn. - by ferric chloride soln. pyrolysis using concurrent flow of soln. spray and combustion gas to give increased oxide yield (OE 15.4.79) - Google Patents

Ferric oxide and hydrochloric acid prodn. - by ferric chloride soln. pyrolysis using concurrent flow of soln. spray and combustion gas to give increased oxide yield (OE 15.4.79)

Info

Publication number
FR2420509A1
FR2420509A1 FR7906895A FR7906895A FR2420509A1 FR 2420509 A1 FR2420509 A1 FR 2420509A1 FR 7906895 A FR7906895 A FR 7906895A FR 7906895 A FR7906895 A FR 7906895A FR 2420509 A1 FR2420509 A1 FR 2420509A1
Authority
FR
France
Prior art keywords
soln
oxide
pyrolysis
ferric
spray
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
FR7906895A
Other languages
English (en)
Other versions
FR2420509B1 (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.)
Ruthner Industrieanlagen AG
Original Assignee
Ruthner Industrieanlagen AG
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 Ruthner Industrieanlagen AG filed Critical Ruthner Industrieanlagen AG
Publication of FR2420509A1 publication Critical patent/FR2420509A1/fr
Application granted granted Critical
Publication of FR2420509B1 publication Critical patent/FR2420509B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/36—Regeneration of waste pickling liquors
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/03—Preparation from chlorides
    • C01B7/035—Preparation of hydrogen chloride from chlorides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • C01G49/06—Ferric oxide [Fe2O3]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Compounds Of Iron (AREA)
  • Treating Waste Gases (AREA)

Abstract

Procédé pour décomposer à la chaleur des solutions aqueuses chlorhydriques de chlorure ferrique dans lequel on pulvérise les solutions dans un réacteur, on sépare mécaniquement les produits de décomposition solides et les gaz et on transforme le chlorure d'hydrogène de la manière habituelle, par exemple par absorption adiabatique dans l'eau, en acide chlorhydrique. Les gouttelettes de solution pulvérisées se déplacent en courants parallèles avec les gaz chauds. Le procédé selon l'invention permet d'obtenir un acide chlorhydrique contenant très peu de fer et un chlorure ferrique contenant peu de chlore en excès.
FR7906895A 1978-03-20 1979-03-19 Ferric oxide and hydrochloric acid prodn. - by ferric chloride soln. pyrolysis using concurrent flow of soln. spray and combustion gas to give increased oxide yield (OE 15.4.79) Granted FR2420509A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT195478A AT353566B (de) 1978-03-20 1978-03-20 Verfahren zur thermischen zersetzung waessriger, salzsaurer eisen(iii)-chlorid-loesungen

Publications (2)

Publication Number Publication Date
FR2420509A1 true FR2420509A1 (en) 1979-10-19
FR2420509B1 FR2420509B1 (fr) 1986-05-09

Family

ID=3524630

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7906895A Granted FR2420509A1 (en) 1978-03-20 1979-03-19 Ferric oxide and hydrochloric acid prodn. - by ferric chloride soln. pyrolysis using concurrent flow of soln. spray and combustion gas to give increased oxide yield (OE 15.4.79)

Country Status (4)

Country Link
AT (1) AT353566B (fr)
BE (1) BE874883A (fr)
FR (1) FR2420509A1 (fr)
HU (1) HU181950B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0850881A1 (fr) * 1996-12-27 1998-07-01 Ruthner, Michael Johann, Dipl.Ing. Dr.mont. Procédé et dispositif pour la préparation d'oxydes de fer à partir de solutions d'acide chlorychique contenant des chlorures ferriques

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407756B (de) * 1999-03-22 2001-06-25 Andritz Patentverwaltung Verfahren zur rückgewinnung von säuren aus metallhaltigen lösungen dieser säuren, vorzugsweise hc1 und fe-verbindungen
US8071067B2 (en) 2009-05-26 2011-12-06 Kemira Water Solutions, Inc. Processes for making stable ferric chloride solutions
AT526794A1 (de) * 2022-12-20 2024-07-15 Andritz Ag Maschf Verfahren zur regeneration von saeure

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1309744A (en) * 1969-03-31 1973-03-14 Woodall Duckham Ltd Decomposition of metal chlorides

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1309744A (en) * 1969-03-31 1973-03-14 Woodall Duckham Ltd Decomposition of metal chlorides

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
STAHL UND EISEN, année 93, no. 15, 19 juillet 1973 (D]SSELDORF, DE) "Neues Verfahren zur Regeneration von Salzsa}re bei niedrigen Temperaturen", pages 689-690 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0850881A1 (fr) * 1996-12-27 1998-07-01 Ruthner, Michael Johann, Dipl.Ing. Dr.mont. Procédé et dispositif pour la préparation d'oxydes de fer à partir de solutions d'acide chlorychique contenant des chlorures ferriques
US5911967A (en) * 1996-12-27 1999-06-15 Ruthner; Michael J. Process and apparatus for production of ferric oxide from iron chloride solutions

Also Published As

Publication number Publication date
ATA195478A (de) 1979-04-15
FR2420509B1 (fr) 1986-05-09
HU181950B (en) 1983-11-28
BE874883A (fr) 1979-07-16
AT353566B (de) 1979-11-26

Similar Documents

Publication Publication Date Title
CA1137277A (fr) Methode de production du noir de fumee
GB1078769A (en) Process for regenerating used pickling liquor which contains hydrochloric acid
BG35038A3 (en) Method and installation for synthesis of urea
US4208384A (en) Energy recovery, sour gas stripping and caustic neutralization using combustion gases containing solids
FR2420509A1 (en) Ferric oxide and hydrochloric acid prodn. - by ferric chloride soln. pyrolysis using concurrent flow of soln. spray and combustion gas to give increased oxide yield (OE 15.4.79)
GB1406945A (en) Waste pickle liquor regeneration
RU93045100A (ru) Плазмотермический способ переработки угля в синтез-газ
GB722038A (en) Improvements in or relating to the recovery of sulphur from gases
GB1458448A (en) Gas-preparation process
JPS6456301A (en) Treatment of ammonia
GB1456031A (en) Process for the thermal conversion of metal chlorides to metal oxides
US3833714A (en) Removal of the hydrogen sulfide contained in a gas of high carbon dioxide content
GB2271986A (en) Treatment of waste containing metal chlorides to produce hydrogen chloride
US2452517A (en) Waste iron sulfate solution recovery
GB1284628A (en) Process for enriching carbon-13
US2138249A (en) Process of producing carbon black from hydrocarbon gases
US4935219A (en) Process for obtaining ferric oxide and ammonium salts
GB1112703A (en) Process and means for separating dissolved metal compounds from mineral acids
JPS5456984A (en) Treating apparatus for incinerator exhaust gas
GB1309744A (en) Decomposition of metal chlorides
JPS5767013A (en) Producing and recovering method for gaseous co2
EP1326800B1 (fr) Procede pour eliminer l'acide nitrosylsulfurique forme dans un processus de production d'acide sulfurique
JPS59500811A (ja) 塩化アルミニウム六水和物の熱分解法
GB701797A (en) Improvements in the hydrolysis of gaseous ferric chloride
GB1535555A (en) Removing cracking catalyst fines and sulphur dioxide from effluent gases

Legal Events

Date Code Title Description
ST Notification of lapse