BR0009301B1 - processo para redução do nìvel de ferro coloidal numa corrente do processo bayer. - Google Patents

processo para redução do nìvel de ferro coloidal numa corrente do processo bayer.

Info

Publication number
BR0009301B1
BR0009301B1 BRPI0009301-7A BR0009301A BR0009301B1 BR 0009301 B1 BR0009301 B1 BR 0009301B1 BR 0009301 A BR0009301 A BR 0009301A BR 0009301 B1 BR0009301 B1 BR 0009301B1
Authority
BR
Brazil
Prior art keywords
reducing
process stream
iron level
colloidal iron
bayer
Prior art date
Application number
BRPI0009301-7A
Other languages
English (en)
Other versions
BR0009301A (pt
Inventor
Donald P Spitzer
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 filed Critical
Publication of BR0009301A publication Critical patent/BR0009301A/pt
Publication of BR0009301B1 publication Critical patent/BR0009301B1/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • 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
    • C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
    • C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Compounds Of Iron (AREA)
  • Manufacture Of Iron (AREA)
BRPI0009301-7A 1999-03-25 2000-02-25 processo para redução do nìvel de ferro coloidal numa corrente do processo bayer. BR0009301B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/276,357 US6077486A (en) 1999-03-25 1999-03-25 Process for purifying alumina by mixing a Bayer process stream containing sodium aluminate with amidoxime polymer to reduce the level of iron
PCT/US2000/005042 WO2000058216A1 (en) 1999-03-25 2000-02-25 Process for purifying bayer process streams

Publications (2)

Publication Number Publication Date
BR0009301A BR0009301A (pt) 2001-12-18
BR0009301B1 true BR0009301B1 (pt) 2009-01-13

Family

ID=23056328

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0009301-7A BR0009301B1 (pt) 1999-03-25 2000-02-25 processo para redução do nìvel de ferro coloidal numa corrente do processo bayer.

Country Status (13)

Country Link
US (1) US6077486A (pt)
EP (1) EP1171386B1 (pt)
CN (1) CN1191992C (pt)
AT (1) ATE293087T1 (pt)
AU (1) AU767905B2 (pt)
BR (1) BR0009301B1 (pt)
CA (1) CA2366450C (pt)
DE (1) DE60019407D1 (pt)
ES (1) ES2241586T3 (pt)
OA (1) OA11851A (pt)
RU (1) RU2239600C2 (pt)
UA (1) UA74543C2 (pt)
WO (1) WO2000058216A1 (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001272227B2 (en) * 2000-07-20 2004-03-04 South32 Worsley Alumina Pty Ltd Improved process for filter aid production in alumina refineries
AUPQ889100A0 (en) * 2000-07-20 2000-08-10 Worsley Alumina Pty Ltd Improved process for filter aid production in alumina refineries
CA2347552C (en) * 2001-05-14 2005-04-19 Process Research Management Inc. Recovery of zinc from galvanized coatings
FR2875495B1 (fr) * 2004-09-21 2006-10-27 Aluminium Pechiney Soc Par Act Perfectionnement au procede bayer de fabrication de trihydrate d'alumine, ledit perfectionnement portant sur la separation de la liqueur d'aluminate et des residus insolubles
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
JP2014508863A (ja) 2011-03-18 2014-04-10 オーバイト アルミナ インコーポレイテッド アルミニウム含有材料から希土類元素を回収する方法
US9410227B2 (en) 2011-05-04 2016-08-09 Orbite Technologies Inc. Processes for recovering rare earth elements from various ores
EP2714594A4 (en) 2011-06-03 2015-05-20 Orbite Aluminae Inc PROCESS FOR PRODUCING HEMATITE
US9382600B2 (en) 2011-09-16 2016-07-05 Orbite Technologies Inc. Processes for preparing alumina and various other products
JP6025868B2 (ja) 2012-01-10 2016-11-16 オーバイト アルミナ インコーポレイテッドＯｒｂｉｔｅ Ａｌｕｍｉｎａｅ Ｉｎｃ． 赤泥を処理するプロセス
AU2013203808B2 (en) 2012-03-29 2016-07-28 Aem Technologies Inc. Processes for treating fly ashes
RU2597096C2 (ru) 2012-07-12 2016-09-10 Орбит Алюминэ Инк. Способы получения оксида титана и различных других продуктов
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.
BR112015011049A2 (pt) 2012-11-14 2017-07-11 Orbite Aluminae Inc métodos para purificação de íons de alumínio
CN108978187A (zh) * 2018-07-13 2018-12-11 中国科学院上海应用物理研究所 一种在低耐热性材料表面原位生长Fe3O4纳米线阵列的方法
CN113735151B (zh) * 2021-09-24 2023-06-23 中铝郑州有色金属研究院有限公司 一种低铁勃姆石及其制备方法和应用

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3088799A (en) * 1959-05-25 1963-05-07 Nopco Chem Co Metal extraction process
US3088798A (en) * 1959-05-25 1963-05-07 Nopco Chem Co Extraction of a metal from solutions containing same
FR1498542A (fr) * 1966-08-18 1967-10-20 Electro Chimie Soc D Perfectionnements à l'épuration des solutions d'aluminate de sodium
US3607140A (en) * 1968-11-19 1971-09-21 Aluminum Co Of America Preparation of alumina of improved purity by iron removal
US3729542A (en) * 1971-08-27 1973-04-24 Aluminum Co Of America Purification of sodium aluminate liquor
US3796789A (en) * 1972-04-07 1974-03-12 Aluminum Co Of America Removal of iron from sodium aluminate liquor
AU560201B2 (en) * 1981-09-17 1987-04-02 Sumitomo Chemical Company, Limited Gallium recovery
GB8519107D0 (en) * 1985-07-29 1985-09-04 Allied Colloids Ltd Flocculation process
JPH0617227B2 (ja) * 1986-07-25 1994-03-09 宇部興産株式会社 ガリウムの選択的分離回収法
US4713222A (en) * 1986-07-28 1987-12-15 Nalco Chemical Company Iron removal from bayer process liquor
US4717550A (en) * 1986-10-09 1988-01-05 American Cyanamid Company Process for purifying alumina
JPH0661465B2 (ja) * 1986-12-27 1994-08-17 住友化学工業株式会社 金属捕集剤の製造方法
US4767540A (en) * 1987-02-11 1988-08-30 American Cyanamid Company Polymers containing hydroxamic acid groups for reduction of suspended solids in bayer process streams
WO1991018026A2 (de) * 1990-05-18 1991-11-28 Institut Für Polymerenchemie 'erich Correns' Neue acrylamidoxim-acrylhydroxamsäure-copolymere, verfahren zu ihrer herstellung und ihre verwendung

Also Published As

Publication number Publication date
AU3504900A (en) 2000-10-16
EP1171386A1 (en) 2002-01-16
OA11851A (en) 2006-03-01
CN1345292A (zh) 2002-04-17
ATE293087T1 (de) 2005-04-15
DE60019407D1 (de) 2005-05-19
CN1191992C (zh) 2005-03-09
ES2241586T3 (es) 2005-11-01
UA74543C2 (en) 2006-01-16
CA2366450C (en) 2007-12-04
CA2366450A1 (en) 2000-10-05
AU767905B2 (en) 2003-11-27
EP1171386B1 (en) 2005-04-13
US6077486A (en) 2000-06-20
RU2239600C2 (ru) 2004-11-10
WO2000058216A1 (en) 2000-10-05
BR0009301A (pt) 2001-12-18

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 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 25/02/2000, OBSERVADAS AS CONDICOES LEGAIS.

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2259 DE 22/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 13A, 14A, 15A, 16A, 17A, 18A, 19A E 20A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.