MXNL03000053A - Recuperacion de sales alcalinas de derivados industriales. - Google Patents

Recuperacion de sales alcalinas de derivados industriales.

Info

Publication number
MXNL03000053A
MXNL03000053A MXNL03000053A MXNL03000053A MX NL03000053 A MXNL03000053 A MX NL03000053A MX NL03000053 A MXNL03000053 A MX NL03000053A MX NL03000053 A MXNL03000053 A MX NL03000053A
Authority
MX
Mexico
Prior art keywords
carbon
sodium carbonate
water
free
oxygen
Prior art date
Application number
Other languages
English (en)
Inventor
Carlos Fix Fierro
Original Assignee
Uniexcel Technologies S A De C
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 Uniexcel Technologies S A De C filed Critical Uniexcel Technologies S A De C
Publication of MXNL03000053A publication Critical patent/MXNL03000053A/es

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01DCOMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D7/00Carbonates of sodium, potassium or alkali metals in general
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B26/00Obtaining alkali, alkaline earth metals or magnesium
    • C22B26/10Obtaining alkali metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/001Dry processes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Esta invencion provee un metodo novedoso para recuperar sales alcalinas de derivados mixtos solidos industriales que contienen abastecimientos de sales alcalinas y materiales carbonosos libres. En una instancia, el derivado industrial puede ser un mixto solido que comprende: carbonato de sodio, fases hidratadas de carbonato de sodio, particulas de carbon libre, agua y cantidades minoritarias de materiales insolubles como impurezas. Una fuente externa de calor se aplica inicialmente al derivado mixto para elevar la temperatura de las particulas de carbon libre al punto de su ignicion en cuan momento un abastecimiento de oxigeno, introducido dentro el derivado mixto, reacciona con las particulas de carbon calentadas y se combina exotericamente para formar gas dioxido de carbon y libera autogenosamente energia termica. La energia termica liberada autogenosamente de la reaccion combustiva del carbon con oxigeno proporciona una fuente de calor auto termica para desasociar las fases hidratadas de carbonato de sodio en carbonato de sodio y agua, la evaporacion del agua libre y la volatilizacion de algunos de los materiales insolubles. El agua vaporizada y los materiales volatizados, junto con el gas dioxido de carbon, son removidos, para lograr la recuperacion del carbonato de sodio. En cuanto un nuevo abastecimiento del derivado mixto se pone en contracto con un nuevo abastecimiento de oxigeno, la reaccion combustiva, entre el oxigeno y las particulas de carbon, se mantendra sostenida, liberando aun mas energia auto termica, y de tal manera se continua la recuperacion del carbonato de sodio de las fases hidratadas de carbonato de sodio descompuestas en carbonato de sodio y en agua vaporada, en la vaporizacion del agua libre, en el gas de dioxido de carbon, producto de la reaccion combustiva, y en los gases volatiles liberados en la descomposicion de materiales insolubles.
MXNL03000053 2002-12-28 2003-12-17 Recuperacion de sales alcalinas de derivados industriales. MXNL03000053A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/331,044 US20040126292A1 (en) 2002-12-28 2002-12-28 Separation of alkaline salts from industrial byproducts

Publications (1)

Publication Number Publication Date
MXNL03000053A true MXNL03000053A (es) 2006-03-08

Family

ID=32654646

Family Applications (1)

Application Number Title Priority Date Filing Date
MXNL03000053 MXNL03000053A (es) 2002-12-28 2003-12-17 Recuperacion de sales alcalinas de derivados industriales.

Country Status (2)

Country Link
US (1) US20040126292A1 (es)
MX (1) MXNL03000053A (es)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR960934A (es) * 1946-08-08 1950-04-27
US2837403A (en) * 1955-05-24 1958-06-03 Int Minerals & Chem Corp Production of potassium carbonate
US3129058A (en) * 1960-10-25 1964-04-14 Int Minerals & Chem Corp Method for preparing potassium sulfide
US3244476A (en) * 1963-01-09 1966-04-05 Intermountain Res & Dev Corp Method of producing crude soda ash from crude trona with selective pulverization
SE387672B (sv) * 1972-03-08 1976-09-13 Svenska Cellulosa Ab Sett vid atervinning av kemikalier i avlut fran uppslutning av lignocellulosahaltigt material varvid avluten underkastas pyrolys
US4154607A (en) * 1977-11-14 1979-05-15 Ethyl Corporation Process for disposal of sodium sludge
US4695443A (en) * 1985-02-14 1987-09-22 Stauffer Chemical Company Autothermal process for the production of carbon disulfide and hydrogen sulfide
US4869882A (en) * 1987-12-30 1989-09-26 General Chemical Corporation Recovery of sodium carbonate values from contaminated dilute soda ash streams
US5536488A (en) * 1991-07-01 1996-07-16 Manufacturing And Technology Conversion Indirectly heated thermochemical reactor processes
US6010672A (en) * 1997-04-17 2000-01-04 Environmental Projects, Inc. Process for producing sodium carbonate from trona ore
IT1291996B1 (it) * 1997-05-26 1999-01-25 Consorzio Obbligatorio Naziona Composto reattivo per la rimozione di composti acidi da fumi o gas ad alta temperatura e procedimento per la sua preparazione
US6228335B1 (en) * 1997-12-10 2001-05-08 Fmc Wyoming Corporation Process for the production of sodium carbonate crystals
BE1011722A4 (fr) * 1998-02-02 1999-12-07 Solvay Procede de fabrication de carbonate de sodium.
DE19917610A1 (de) * 1999-04-19 2000-10-26 Bayer Ag Verfahren zum Recycling von Alkalimetallfluoriden bzw. -bifluoriden

Also Published As

Publication number Publication date
US20040126292A1 (en) 2004-07-01

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