BRPI0718257A2 - Método para a produção de alumina - Google Patents

Método para a produção de alumina

Info

Publication number
BRPI0718257A2
BRPI0718257A2 BRPI0718257-0A2A BRPI0718257A BRPI0718257A2 BR PI0718257 A2 BRPI0718257 A2 BR PI0718257A2 BR PI0718257 A BRPI0718257 A BR PI0718257A BR PI0718257 A2 BRPI0718257 A2 BR PI0718257A2
Authority
BR
Brazil
Prior art keywords
alumin
production
alumin production
Prior art date
Application number
BRPI0718257-0A2A
Other languages
English (en)
Inventor
Gregory Mills
Original Assignee
Alcoa Australia
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 AU2006906025A external-priority patent/AU2006906025A0/en
Application filed by Alcoa Australia filed Critical Alcoa Australia
Publication of BRPI0718257A2 publication Critical patent/BRPI0718257A2/pt
Publication of BRPI0718257B1 publication Critical patent/BRPI0718257B1/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/44Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/447Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes
    • C01F7/448Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes using superatmospheric pressure, e.g. hydrothermal conversion of gibbsite into boehmite
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/44Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/441Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
BRPI0718257-0A 2006-10-30 2007-10-24 método para calcinação de hidróxido de alumínio BRPI0718257B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2006906025 2006-10-30
AU2006906025A AU2006906025A0 (en) 2006-10-30 Method for Alumina Production
PCT/AU2007/001617 WO2008052249A1 (en) 2006-10-30 2007-10-24 Method for alumina production

Publications (2)

Publication Number Publication Date
BRPI0718257A2 true BRPI0718257A2 (pt) 2014-01-21
BRPI0718257B1 BRPI0718257B1 (pt) 2021-02-17

Family

ID=39343678

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0718257-0A BRPI0718257B1 (pt) 2006-10-30 2007-10-24 método para calcinação de hidróxido de alumínio

Country Status (4)

Country Link
CN (2) CN101595057A (pt)
AU (1) AU2007314134B2 (pt)
BR (1) BRPI0718257B1 (pt)
WO (1) WO2008052249A1 (pt)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103771476B (zh) * 2014-01-26 2015-07-08 郑州金阳光陶瓷有限公司 一种利用气态悬浮焙烧炉生产α-氧化铝的方法
CN109065810A (zh) * 2018-08-15 2018-12-21 寿光众新晶体材料有限公司 一种羟基氧化铝浆料的制备方法
CN109612298A (zh) * 2018-12-27 2019-04-12 广西华银铝业有限公司 一种便于回收蒸汽乏汽热量的预热系统
US12291982B2 (en) 2020-11-30 2025-05-06 Rondo Energy, Inc. Thermal energy storage systems for use in material processing
BR112022013825A2 (pt) * 2020-01-13 2022-09-13 Rio Tinto Alcan Int Ltd Aparelho de calcinação e processo que usando hidrogênio
JP7836262B2 (ja) * 2020-01-13 2026-03-26 リオ ティント アルキャン インターナショナル リミテッド 水素を使用する材料処理装置及びプロセス
CN116601115A (zh) * 2020-08-06 2023-08-15 美铝澳大利亚有限公司 用于减少碳的方法
US11913361B2 (en) 2020-11-30 2024-02-27 Rondo Energy, Inc. Energy storage system and alumina calcination applications
US11913362B2 (en) 2020-11-30 2024-02-27 Rondo Energy, Inc. Thermal energy storage system coupled with steam cracking system
US12018596B2 (en) 2020-11-30 2024-06-25 Rondo Energy, Inc. Thermal energy storage system coupled with thermal power cycle systems
MA71196B1 (fr) 2020-11-30 2025-04-30 Rondo Energy, Inc. Système et applications de stockage d'énergie
US12146424B2 (en) 2020-11-30 2024-11-19 Rondo Energy, Inc. Thermal energy storage system coupled with a solid oxide electrolysis system
US12359591B1 (en) 2020-11-30 2025-07-15 Rondo Energy, Inc. Thermal energy storage systems for repowering existing power plants for improving efficiency and safety
BR112023026581A2 (pt) * 2021-06-17 2024-03-05 Univ Adelaide Método e aparelho para calcinação de alumina
CN114719607A (zh) * 2022-03-14 2022-07-08 沈阳铝镁设计研究院有限公司 一种氢氧化铝电加热焙烧装置
CN114893990B (zh) * 2022-05-17 2025-03-28 广西田东锦鑫化工有限公司 一种多种燃气同时用于氢氧化铝焙烧的焙烧方法及系统
IE20250101U1 (en) 2023-04-14 2025-10-22 Rondo Energy Inc Thermal energy storage blocks and associated support structures
WO2025030202A1 (en) * 2023-08-04 2025-02-13 Alcoa Of Australia Limited Use of superheated steam in the bayer process
WO2025226989A2 (en) 2024-04-24 2025-10-30 Rondo Energy, Inc. Thermal energy storage system for simple and combined cycle power generation
WO2025245498A1 (en) 2024-05-24 2025-11-27 Rondo Energy, Inc. Thermal energy storage system with high efficiency heater control
US12566034B1 (en) 2024-07-02 2026-03-03 Rondo Energy, Inc. Thermal energy storage system coupled to a heat exchanger with thermal protection
US12607170B2 (en) 2024-07-12 2026-04-21 Rondo Energy, Inc. Thermal energy storage system for use with a low temperature heat source and a thermal power cycle system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5141734A (en) * 1983-11-07 1992-08-25 Aluminum Company Of America Steam producing process
SU1646990A1 (ru) * 1988-10-03 1991-05-07 Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Металлургической Теплотехники И Огнеупоров "Внииэнергоцветмет" Установка дл кальцинации гидроксида алюмини
RU2064893C1 (ru) * 1993-10-27 1996-08-10 Акционерное общество "Богословский алюминиевый завод" Способ выделения гидроксида алюминия из алюминатного раствора
RU2092438C1 (ru) * 1996-03-06 1997-10-10 Химический факульткт МГУ им.М.В.Ломоносова Способ получения мелкокристаллического корунда
JP3665186B2 (ja) * 1997-08-21 2005-06-29 仲道 山崎 アルミナ粒子の連続水熱合成方法

Also Published As

Publication number Publication date
BRPI0718257B1 (pt) 2021-02-17
AU2007314134A1 (en) 2008-05-08
CN105236458A (zh) 2016-01-13
WO2008052249A9 (en) 2008-07-17
AU2007314134B2 (en) 2013-11-07
CN101595057A (zh) 2009-12-02
WO2008052249A1 (en) 2008-05-08

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 17/02/2021, OBSERVADAS AS CONDICOES LEGAIS.