BR112017025933A2 - processo e sistema para tratamento térmico de sólidos granulares - Google Patents

processo e sistema para tratamento térmico de sólidos granulares

Info

Publication number
BR112017025933A2
BR112017025933A2 BR112017025933-8A BR112017025933A BR112017025933A2 BR 112017025933 A2 BR112017025933 A2 BR 112017025933A2 BR 112017025933 A BR112017025933 A BR 112017025933A BR 112017025933 A2 BR112017025933 A2 BR 112017025933A2
Authority
BR
Brazil
Prior art keywords
solids
heat treatment
granular solids
present
preheating stage
Prior art date
Application number
BR112017025933-8A
Other languages
English (en)
Other versions
BR112017025933B1 (pt
Inventor
Ströder Michael
Sturm Peter
Missalla Michael
Klett Cornelis
Original Assignee
Outotec (Finland) Oy
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 Outotec (Finland) Oy filed Critical Outotec (Finland) Oy
Publication of BR112017025933A2 publication Critical patent/BR112017025933A2/pt
Publication of BR112017025933B1 publication Critical patent/BR112017025933B1/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/005—Separating solid material from the gas/liquid stream
    • B01J8/0055—Separating solid material from the gas/liquid stream using cyclones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1836—Heating and cooling the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1845—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with particles moving upwards while fluidised
    • B01J8/1863—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with particles moving upwards while fluidised followed by a downward movement outside the reactor and subsequently re-entering it
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/38—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it
    • B01J8/384—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it being subject to a circulatory movement only
    • B01J8/388—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it being subject to a circulatory movement only externally, i.e. the particles leaving the vessel and subsequently re-entering it
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
    • C01F7/445—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination making use of a fluidised bed

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

a presente invenção se refere para um processo e para a respectiva instalação para tratamento térmico de sólidos granulares, em particular para produção de óxido de alumínio a partir de hidróxido de alumínio no qual os sólidos são aquecidos em pelo menos num estágio de pré-aquecimento e, então, são reagidos em um reator em 700 0c até 1.400 0c. em concordância com a presente invenção, em pelo menos um estágio de pré-aquecimento, o gradiente de temperatura média dos sólidos quantifica para < 15 k/s e o tempo de permanência dos sólidos quantifica para = 15 s.
BR112017025933-8A 2015-06-02 2016-06-02 Processo e sistema para tratamento térmico de sólidos granulares BR112017025933B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102015108722.7 2015-06-02
DE102015108722.7A DE102015108722A1 (de) 2015-06-02 2015-06-02 Verfahren und Anlage zur thermischen Behandlung von körnigen Feststoffen
PCT/EP2016/062451 WO2016193345A1 (en) 2015-06-02 2016-06-02 Process and system for thermal treatment of granular solids

Publications (2)

Publication Number Publication Date
BR112017025933A2 true BR112017025933A2 (pt) 2018-08-14
BR112017025933B1 BR112017025933B1 (pt) 2022-03-03

Family

ID=56263653

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017025933-8A BR112017025933B1 (pt) 2015-06-02 2016-06-02 Processo e sistema para tratamento térmico de sólidos granulares

Country Status (10)

Country Link
US (1) US20180207598A1 (pt)
EP (1) EP3303222B1 (pt)
CN (1) CN107709240B (pt)
AU (1) AU2016269697B2 (pt)
BR (1) BR112017025933B1 (pt)
CA (1) CA2985896C (pt)
DE (1) DE102015108722A1 (pt)
EA (1) EA034660B1 (pt)
UA (1) UA121333C2 (pt)
WO (1) WO2016193345A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021104613A1 (en) * 2019-11-26 2021-06-03 Outotec (Finland) Oy Optimized semi-dry process for sintering of aluminosilicates in the production of alumina

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US274980A (en) * 1883-04-03 Seth b
US2915365A (en) * 1954-06-28 1959-12-01 Pechiney Prod Chimiques Sa Method of preparing activated alumina from commercial alpha alumina trihydrate
US2914448A (en) * 1954-12-29 1959-11-24 Cabot Godfrey L Inc Process for heat treating particulate solid materials
FR1248038A (fr) * 1959-10-28 1960-12-09 Electrochimie Electrometallurg Procédé de fabrication d'alumines anhydres
FR1295554A (fr) * 1961-04-28 1962-06-08 Electrochimie Soc Dispositif pour la fabrication d'alumines anhydres
DE2605651C2 (de) 1976-02-12 1982-04-22 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von verbesserten Chrom-Rutilpigmenten
US4585645A (en) * 1985-04-03 1986-04-29 Aluminum Company Of America Alpha alumina production in a steam-fluidized reactor
DE69005643T2 (de) * 1989-11-27 1994-05-19 Alcan Int Ltd Verfahren zur kalzinierung von aluminiumoxiddreihydrat zur herstellung von aluminiumoxid und einrichtung dafür.
DE19542309A1 (de) 1995-11-14 1997-05-15 Metallgesellschaft Ag Verfahren zur Herstellung von Aluminiumoxid aus Aluminiumhydroxid
DE10260739B3 (de) * 2002-12-23 2004-09-16 Outokumpu Oy Verfahren und Anlage zur Herstellung von Metalloxid aus Metallverbindungen
DE102006062151A1 (de) * 2006-12-22 2008-06-26 Outotec Oyj Verfahren und Anlage zur Wärmebehandlung von partikulären Feststoffen, insbesondere zur Herstellung von Metalloxid aus Metallhydroxid
DE102007041586B4 (de) * 2007-09-01 2014-03-27 Outotec Oyj Verfahren und Anlage zur Wärmebehandlung von körnigen Feststoffen
DE102009006095B4 (de) * 2009-01-26 2019-01-03 Outotec Oyj Verfahren und Anlage zur Herstellung von Aluminiumoxid aus Aluminiumhydroxid
DE102009006094B4 (de) * 2009-01-26 2018-10-31 Outotec Oyj Verfahren und Anlage zur Herstellung von Aluminiumoxid aus Aluminiumhydroxid

Also Published As

Publication number Publication date
AU2016269697A1 (en) 2017-12-07
EA034660B1 (ru) 2020-03-04
EA201792523A1 (ru) 2018-06-29
BR112017025933B1 (pt) 2022-03-03
AU2016269697B2 (en) 2018-10-04
EP3303222A1 (en) 2018-04-11
CA2985896C (en) 2023-10-17
EP3303222B1 (en) 2019-08-07
WO2016193345A1 (en) 2016-12-08
US20180207598A1 (en) 2018-07-26
CA2985896A1 (en) 2016-12-08
CN107709240B (zh) 2019-07-16
DE102015108722A1 (de) 2016-12-08
CN107709240A (zh) 2018-02-16
UA121333C2 (uk) 2020-05-12

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 02/06/2016, OBSERVADAS AS CONDICOES LEGAIS.

B25A Requested transfer of rights approved

Owner name: METSO MINERALS OY (FI)

B25D Requested change of name of applicant approved

Owner name: METSO OUTOTEC FINLAND OY (FI)