DE69702997D1 - Verfahren zur Behandlung von verunreinigtem Aluminiumoxid - Google Patents

Verfahren zur Behandlung von verunreinigtem Aluminiumoxid

Info

Publication number
DE69702997D1
DE69702997D1 DE69702997T DE69702997T DE69702997D1 DE 69702997 D1 DE69702997 D1 DE 69702997D1 DE 69702997 T DE69702997 T DE 69702997T DE 69702997 T DE69702997 T DE 69702997T DE 69702997 D1 DE69702997 D1 DE 69702997D1
Authority
DE
Germany
Prior art keywords
treatment
contaminated alumina
contaminated
alumina
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69702997T
Other languages
English (en)
Other versions
DE69702997T2 (de
Inventor
Simo Jokinen
Tapio Mattila
Gerard Verkoijen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kemira Chemicals Oy
Original Assignee
Kemira Chemicals 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 Kemira Chemicals Oy filed Critical Kemira Chemicals Oy
Application granted granted Critical
Publication of DE69702997D1 publication Critical patent/DE69702997D1/de
Publication of DE69702997T2 publication Critical patent/DE69702997T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C01F7/68—Aluminium compounds containing sulfur
    • C01F7/74—Sulfates
    • 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
    • C01F7/68—Aluminium compounds containing sulfur
    • C01F7/74—Sulfates
    • C01F7/743—Preparation from silicoaluminious materials, e.g. clays or bauxite
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
DE69702997T 1996-04-12 1997-03-20 Verfahren zur Behandlung von verunreinigtem Aluminiumoxid Expired - Fee Related DE69702997T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI961619A FI103401B1 (fi) 1996-04-12 1996-04-12 Menetelmä epäpuhtaan alumiinioksidin käsittelemiseksi

Publications (2)

Publication Number Publication Date
DE69702997D1 true DE69702997D1 (de) 2000-10-12
DE69702997T2 DE69702997T2 (de) 2000-12-28

Family

ID=8545832

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69702997T Expired - Fee Related DE69702997T2 (de) 1996-04-12 1997-03-20 Verfahren zur Behandlung von verunreinigtem Aluminiumoxid

Country Status (5)

Country Link
US (1) US5942199A (de)
EP (1) EP0801029B1 (de)
JP (1) JPH1029817A (de)
DE (1) DE69702997T2 (de)
FI (1) FI103401B1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6810659B1 (en) 2000-03-17 2004-11-02 Ford Global Technologies, Llc Method for determining emission control system operability
TWI256943B (en) * 2001-11-21 2006-06-21 Sony Corp Production method for aluminum sulfate, aluminum sulfate, method for improving for improving yield of aluminum sulfate, use of nitric acid, industrial composition, method for processing waste water, and device for processing waste water
EP2155919A4 (de) * 2007-05-21 2015-11-04 Orbite Aluminae Inc Verfahren zum extrahieren von aluminium und eisen aus aluminiumhaltigen erzen
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
AU2012250460B2 (en) 2011-05-04 2015-11-26 Orbite Aluminae Inc. Processes for recovering rare earth elements from various ores
CN103842296B (zh) 2011-06-03 2016-08-24 奥贝特科技有限公司 用于制备赤铁矿的方法
CN104039706A (zh) 2011-09-16 2014-09-10 奥贝特铝业有限公司 制备氧化铝和各种其他产品的工艺
CA2857574C (en) 2012-01-10 2015-03-24 Orbite Aluminae Inc. Processes for treating red mud
US9181603B2 (en) 2012-03-29 2015-11-10 Orbite Technologies Inc. Processes for treating fly ashes
US9290828B2 (en) 2012-07-12 2016-03-22 Orbite Technologies Inc. Processes for preparing titanium oxide and various other products
WO2014047728A1 (en) 2012-09-26 2014-04-03 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
US9301440B1 (en) * 2014-07-15 2016-04-05 The United States Of America, As Represented By The Secretary Of Agriculture Compositions and methods of treating animal manure
SE539935C2 (sv) * 2016-06-16 2018-01-30 Hans Ulmert Med Firma Flocell Metod för återvinning av koagulanter ur kemslam från vatten-och avloppsverk
US11034588B2 (en) 2018-07-13 2021-06-15 Chameleon Industries, Inc. Method of preparing aluminum sulfate
US10954135B2 (en) 2018-07-13 2021-03-23 Chameleon Industries, Inc. System and method of preparing aluminum sulfate
US10501330B1 (en) * 2018-07-13 2019-12-10 Chameleon Industries, Inc. Method of preparing aluminum sulfate

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1457030A (en) * 1922-06-15 1923-05-29 Chemical Construction Company Method of treating sludge acids and separated sludge acids
US2463204A (en) * 1942-07-23 1949-03-01 Gustave T Reich Recovery of sludge acids
FR1554586A (de) * 1966-04-28 1969-01-24
US3814701A (en) * 1972-08-09 1974-06-04 Fmc Corp Regeneration of spent alumina
ZA744772B (en) * 1974-07-26 1976-03-31 African Explosives & Chem Improvements in the manufacture of aluminium sulphate
JPS52138092A (en) * 1976-05-13 1977-11-17 Nissan Eng Manufacturing process for refined aluminium sulfate from aluminium hydroxide containing impurity
JPS5329298A (en) * 1976-09-01 1978-03-18 Showa Denko Kk Production of recovered aluminum sulfate
DE2726087C2 (de) * 1977-06-10 1978-12-21 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Verfahren zur endlagerreifen, umweltfreundlichen Verfestigung von" und mittelradioaktiven und/oder Actiniden enthaltenden, wäßrigen Abfallkonzentraten oder von in Wasser aufgeschlämmten, feinkörnigen festen Abfällen
SE419212B (sv) * 1979-04-11 1981-07-20 Boliden Ab Forfarande vid framstellning av en aluminiumsulfatlosning
JPS62270416A (ja) * 1986-05-16 1987-11-24 Yoshida Kogyo Kk <Ykk> 水酸化アルミニウムスラツジから硫酸アルミニウム水溶液を連続的に合成する方法およびそのための装置
US4919819A (en) * 1989-02-06 1990-04-24 Gem, Inc. Method for removing and decomposing hydrocarbon compounds from water contaminated therewith
US5114699A (en) * 1989-04-12 1992-05-19 Freeport-Mcmoran Resource Partners Spent alkylation acid treatment process
DE4027159A1 (de) * 1990-08-28 1992-03-05 Niermann Hermann Dr Verfahren und vorrichtung zur reinigung und wiederaufbereitung von aluminiumoxid
US5456739A (en) * 1993-12-23 1995-10-10 Donalisio; Guilherme C. Process for reclaiming aluminum from waste paper and packaging products
FI98509C (fi) * 1994-05-20 1997-07-10 Kemira Chemicals Oy Menetelmä epäpuhtaan alumiinioksidin puhdistamiseksi lämpökäsittelemällä
FI98508C (fi) * 1994-05-20 1997-07-10 Kemira Chemicals Oy Menetelmä epäpuhtaan alumiinioksidin puhdistamiseksi uuttamalla

Also Published As

Publication number Publication date
DE69702997T2 (de) 2000-12-28
FI103401B (fi) 1999-06-30
EP0801029A1 (de) 1997-10-15
US5942199A (en) 1999-08-24
FI961619A (fi) 1997-10-13
FI961619A0 (fi) 1996-04-12
FI103401B1 (fi) 1999-06-30
EP0801029B1 (de) 2000-09-06
JPH1029817A (ja) 1998-02-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee