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

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
JP2004533387A (ja) * 2000-12-31 2004-11-04 エイティーアイ−アルミナム テクノロジーズ イスラエル リミテッド 鉱石からのアルミニウム化合物およびシリカの製造
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.
NO20042645D0 (no) * 2004-05-12 2004-06-23 Promeks As Forbedret prosess for fremstilling av ren amorf og hydrofobisk siliciumoksyd
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
WO2005108290A1 (en) * 2004-05-12 2005-11-17 Promeks As Improved process for production of pure amorphous silica from quartz preferably to be used as filler material
WO2005108293A1 (en) * 2004-05-12 2005-11-17 Promeks As Improved process for production of pure amorphous mesoporous silica from quartz
WO2007116326A2 (en) * 2006-02-20 2007-10-18 Hyattville Company Ltd. Production of solar and electronic grade silicon from aluminosilicate containing material
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
RU2389682C2 (ru) * 2007-04-03 2010-05-20 Пингсхуо Индастриал ЛТД. Способ восстановления кремнезема и глинозема из летучей угольной золы
WO2008141423A1 (en) 2007-05-21 2008-11-27 Exploration Orbite Vspa Inc. Processes for extracting aluminum and iron from aluminous ores
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
CN103534367A (zh) 2011-03-18 2014-01-22 奥贝特铝业有限公司 从含铝材料中回收稀土元素的方法
WO2012149642A1 (en) 2011-05-04 2012-11-08 Orbite Aluminae Inc. Processes for recovering rare earth elements from various ores
RU2013157943A (ru) 2011-06-03 2015-07-20 Орбит Элюминэ Инк. Способ получения гематита
US9382600B2 (en) 2011-09-16 2016-07-05 Orbite Technologies Inc. Processes for preparing alumina and various other products
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 (de) * 2012-01-10 2020-03-11 Orbite Aluminae Inc. Verfahren zur behandlung von rotschlamm
CN104520237B (zh) * 2012-03-29 2018-05-01 奥佰特氧化铝有限公司 处理飞灰的方法
KR101443836B1 (ko) * 2012-04-17 2014-09-30 송병옥 카올린(큐랙스)에서 알루미나와 실리카를 분리하는 장치 및 방법
US9290828B2 (en) 2012-07-12 2016-03-22 Orbite Technologies Inc. Processes for preparing titanium oxide and various other products
IN2015DN00662A (de) * 2012-08-01 2015-06-26 Obshestvo S Ogranichennoy Otvetstvennostyu Obedinennaya Kompania Rusal Inzh T Ts
CA2885255C (en) 2012-09-26 2015-12-22 Orbite Aluminae Inc. Processes for preparing alumina and magnesium chloride by hc1 leaching of various materials
JP2016504251A (ja) 2012-11-14 2016-02-12 オーバイト アルミナ インコーポレイテッドＯｒｂｉｔｅ Ａｌｕｍｉｎａｅ Ｉｎｃ． アルミニウムイオンの精製方法
EP3794164A4 (de) 2018-05-18 2022-03-09 California Institute of Technology Verfahren zur umwandlung reduzierter schwefelspezies und wasser in wasserstoff und schwefelsäure
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
CA3147352A1 (en) 2019-08-13 2021-02-18 California Institute Of Technology Process to make calcium oxide or ordinary portland cement from calcium bearing rocks and minerals
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
AU2022352384A1 (en) * 2021-09-21 2024-05-02 Tianqi Lithium Kwinana Pty Ltd A process for producing alumina

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

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