ZA9610486B - Process for the recovery of alumina and silica - Google Patents

Process for the recovery of alumina and silica

Info

Publication number
ZA9610486B
ZA9610486B ZA9610486A ZA9610486A ZA9610486B ZA 9610486 B ZA9610486 B ZA 9610486B ZA 9610486 A ZA9610486 A ZA 9610486A ZA 9610486 A ZA9610486 A ZA 9610486A ZA 9610486 B ZA9610486 B ZA 9610486B
Authority
ZA
South Africa
Prior art keywords
cacl2
solution
pct
silica
alcl3
Prior art date
Application number
ZA9610486A
Other languages
English (en)
Inventor
Shlomo Nehari
Chanoch Gorin
Israel J Lin
Amos Berkovich
Original Assignee
Mashal Alumina Ind Ltd
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 Mashal Alumina Ind Ltd filed Critical Mashal Alumina Ind Ltd
Publication of ZA9610486B publication Critical patent/ZA9610486B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/126—Preparation of silica of undetermined type
    • 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
    • C01F7/20—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts
    • C01F7/22—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with halides or halogen acids
    • 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
    • C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
    • 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
    • C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
    • C01F7/306—Thermal decomposition of hydrated chlorides, e.g. of aluminium trichloride hexahydrate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Processing Of Solid Wastes (AREA)
  • Silicon Compounds (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
ZA9610486A 1995-12-15 1996-12-12 Process for the recovery of alumina and silica ZA9610486B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL11640995A IL116409A (en) 1995-12-15 1995-12-15 Process for the recovery of alumina and silica

Publications (1)

Publication Number Publication Date
ZA9610486B true ZA9610486B (en) 1997-06-24

Family

ID=11068319

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9610486A ZA9610486B (en) 1995-12-15 1996-12-12 Process for the recovery of alumina and silica

Country Status (18)

Country Link
US (1) US5993758A (fr)
EP (1) EP0866769B1 (fr)
JP (1) JP2000505034A (fr)
KR (1) KR100421596B1 (fr)
CN (1) CN1085622C (fr)
AT (1) ATE182128T1 (fr)
AU (1) AU713938B2 (fr)
BR (1) BR9612010A (fr)
CA (1) CA2240067A1 (fr)
CZ (1) CZ184998A3 (fr)
DE (1) DE69603289T2 (fr)
ES (1) ES2134649T3 (fr)
HK (1) HK1014923A1 (fr)
HU (1) HUP0001163A3 (fr)
IL (1) IL116409A (fr)
RU (1) RU2176984C2 (fr)
WO (1) WO1997022554A1 (fr)
ZA (1) ZA9610486B (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3948997A (en) * 1997-08-14 1999-03-08 Satec Ecochem Ltd. A process for producing silica acid
IL134477A (en) * 2000-02-10 2004-05-12 Promeks As Process for the preparation of amorphous silica
KR20030074694A (ko) * 2000-12-31 2003-09-19 에이티아이-알루미늄 테크놀로지즈 이스라엘 리미티드 광석으로부터 알루미늄 화합물 및 실리카를 제조하는 방법
ES2199049B1 (es) * 2002-02-13 2005-06-01 Antonio Porras Martin Metodo de descarbonatacion de diatomita mediante la utilizacion de acido clorhidrico en circuito cerrado.
WO2005108293A1 (fr) * 2004-05-12 2005-11-17 Promeks As Procede ameliore de production de silice mesoporeuse amorphe pure a partir de quartz
WO2005108290A1 (fr) * 2004-05-12 2005-11-17 Promeks As Procede perfectionne pour produire de la silice amorphe pure a partir de quartz, de preference a utiliser en tant que matiere de charge
NO20042646D0 (no) * 2004-05-12 2004-06-23 Promeks As Forbedret prosess for fremstilling av ren amorf siliciumoksyd spesielt zerogel for stabilisering av ol, samt for isolasjonsformal
NO20042645D0 (no) * 2004-05-12 2004-06-23 Promeks As Forbedret prosess for fremstilling av ren amorf og hydrofobisk siliciumoksyd
WO2007116326A2 (fr) * 2006-02-20 2007-10-18 Hyattville Company Ltd. Production de silicium de qualité solaire et électronique à partir d'une matière contenant un aluminosilicate
CN101041450B (zh) * 2006-03-15 2011-06-01 中国地质大学（北京） 利用高铝粉煤灰制取氧化铝和白炭黑清洁生产工艺
WO2008100123A1 (fr) * 2007-02-14 2008-08-21 Alexandr Kosmukhambetov Procédé de transformation intégrée de matières premières de silicates d'aluminium
JP4332591B2 (ja) * 2007-04-03 2009-09-16 ピンスー・インダストリアル・エルティーディー 石炭灰からシリカ、次いでアルミナを回収する方法
CN101842504B (zh) 2007-05-21 2012-11-14 奥贝特铝业有限公司 从铝土矿石中提取铝和铁的工艺
CN101759210B (zh) * 2010-01-18 2012-12-05 马昱昭 一种从粉煤灰中提取高纯度氧化铝及硅胶的方法
CN101767807B (zh) * 2010-01-20 2012-12-05 潘爱芳 一种从铝土矿中提取高纯氧化铝与硅胶的方法
CN101811712A (zh) * 2010-04-27 2010-08-25 中国神华能源股份有限公司 一种利用流化床粉煤灰制备冶金级氧化铝的方法
CN102241410B (zh) * 2010-05-14 2013-07-10 东北大学 一种粉煤灰生态化综合利用方法
RU2588960C2 (ru) 2011-03-18 2016-07-10 Орбит Элюминэ Инк. Способы извлечения редкоземельных элементов из алюминийсодержащих материалов
US9410227B2 (en) 2011-05-04 2016-08-09 Orbite Technologies Inc. Processes for recovering rare earth elements from various ores
WO2012162817A1 (fr) 2011-06-03 2012-12-06 Orbite Aluminae Inc. Procédés d'obtention d'hématite
BR112014006275A2 (pt) 2011-09-16 2017-04-11 Orbite Aluminae Inc processos de preparação de alumina e de vários outros produtos
CN102502729B (zh) * 2011-09-22 2013-11-06 清华大学 一种由粉煤灰生产氧化铝的方法
FI123432B (fi) * 2011-12-02 2013-04-30 Jyvaeskylaen En Oy Menetelmä tuhkan, erityisesti lentotuhkan käsittelemiseksi
RU2492143C1 (ru) * 2011-12-26 2013-09-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Иркутский государственный технический университет" (ФГБОУ ВПО "ИрГТУ") Способ получения высококачественной кварцевой крупки
EP2802675B1 (fr) * 2012-01-10 2020-03-11 Orbite Aluminae Inc. Procédés de traitement de boue rouge
AU2013203808B2 (en) * 2012-03-29 2016-07-28 Aem Technologies Inc. Processes for treating fly ashes
KR101443836B1 (ko) * 2012-04-17 2014-09-30 송병옥 카올린(큐랙스)에서 알루미나와 실리카를 분리하는 장치 및 방법
BR112015000626A2 (pt) 2012-07-12 2017-06-27 Orbite Aluminae Inc processos para preparação de óxido de titânio e outros produtos variados
AU2012386620B2 (en) * 2012-08-01 2017-02-02 Obshestvo S Ogranichennoy Otvetstvennost'yu "Obedinennaya Kompania Rusal Inzhenerno-Tekhnologicheskiy Tsentr" Method for producing alumina
BR112015006536A2 (pt) 2012-09-26 2017-08-08 Orbite Aluminae Inc processos para preparar alumina e cloreto de magnésio por lixiviação com hcl de vários materiais.
US9534274B2 (en) 2012-11-14 2017-01-03 Orbite Technologies Inc. Methods for purifying aluminium ions
EP3794164A4 (fr) 2018-05-18 2022-03-09 California Institute of Technology Procédé de conversion d'espèces de soufre réduit et d'eau en hydrogène et en acide sulfurique
RU2705071C1 (ru) * 2018-11-07 2019-11-01 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" Способ получения металлургического глинозема кислотно-щелочным способом
MX2022001785A (es) 2019-08-13 2022-06-08 California Inst Of Techn Proceso para preparar oxido de calcio o cemento pórtland normal a partir de rocas y minerales que llevan calcio.
CN112934919B (zh) * 2021-02-05 2022-07-01 云南大地丰源环保有限公司 一种废弃无水氯化铝的处理方法
CA3231096A1 (fr) * 2021-09-21 2023-03-30 Yafeng GUO Procede de production d'alumine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1868499A (en) * 1929-06-07 1932-07-26 Electric Smelting & Aluminum C Process of recovering alumina from silicious materials containing it
US2413709A (en) * 1943-03-31 1947-01-07 John D Hoffman Method of recovering alumina and hydrochloric acid
US2947604A (en) * 1956-12-07 1960-08-02 Anaconda Co Production of alumina
US3427127A (en) * 1966-05-09 1969-02-11 Louis Stanton Mccollum Process for recovering aluminum values from heat expandable materials
US4056363A (en) * 1974-03-21 1977-11-01 Georg Messner Apparatus for the fabrication of pure alumina from Al2 O3 and silica containing raw materials by leaching with hydrochloric acid
DE2555875A1 (de) * 1975-09-30 1977-03-31 Financial Mining Ind Ship Verfahren zur aufarbeitung von alunit
US4158042A (en) * 1977-10-07 1979-06-12 Alcan Research And Development Limited Recovery of alumina from siliceous minerals
NO147516C (no) * 1979-02-13 1983-04-27 Elkem Spigerverket As Fremgangsmaate for utfelling av et rent aluminiumklorid fra loesninger som inneholder aluminium- og magnesiumioner.
GB2205558A (en) * 1987-05-18 1988-12-14 Lonhro Plc Recovery of alumina from aluminosilicates

Also Published As

Publication number Publication date
AU7707996A (en) 1997-07-14
WO1997022554A1 (fr) 1997-06-26
CN1207719A (zh) 1999-02-10
HUP0001163A2 (hu) 2000-08-28
HK1014923A1 (en) 1999-10-08
CA2240067A1 (fr) 1997-06-26
KR100421596B1 (ko) 2004-04-17
BR9612010A (pt) 1999-12-28
RU2176984C2 (ru) 2001-12-20
IL116409A (en) 1999-11-30
CN1085622C (zh) 2002-05-29
ES2134649T3 (es) 1999-10-01
CZ184998A3 (cs) 1999-03-17
JP2000505034A (ja) 2000-04-25
IL116409A0 (en) 1996-03-31
KR20000064401A (ko) 2000-11-06
EP0866769A1 (fr) 1998-09-30
EP0866769B1 (fr) 1999-07-14
DE69603289D1 (de) 1999-08-19
US5993758A (en) 1999-11-30
ATE182128T1 (de) 1999-07-15
DE69603289T2 (de) 1999-12-09
AU713938B2 (en) 1999-12-16
HUP0001163A3 (en) 2001-07-30

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