BR9403404A - Processo para a floculação, em um líquido diferente das correntes do processo bayer - Google Patents

Processo para a floculação, em um líquido diferente das correntes do processo bayer

Info

Publication number
BR9403404A
BR9403404A BR9403404A BR9403404A BR9403404A BR 9403404 A BR9403404 A BR 9403404A BR 9403404 A BR9403404 A BR 9403404A BR 9403404 A BR9403404 A BR 9403404A BR 9403404 A BR9403404 A BR 9403404A
Authority
BR
Brazil
Prior art keywords
currents
liquid different
flocculation
bayer
bayer process
Prior art date
Application number
BR9403404A
Other languages
English (en)
Inventor
Alan S Rothenberg
Roderick Glyn Ryles
Peter So
Original Assignee
Cytec Tech Corp
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 Cytec Tech Corp filed Critical Cytec Tech Corp
Publication of BR9403404A publication Critical patent/BR9403404A/pt

Links

Classifications

    • 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
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
BR9403404A 1993-09-02 1994-08-31 Processo para a floculação, em um líquido diferente das correntes do processo bayer BR9403404A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/127,201 US5368745A (en) 1993-09-02 1993-09-02 Method of flocculating low metal oxide content solids in a liquid

Publications (1)

Publication Number Publication Date
BR9403404A true BR9403404A (pt) 1995-05-09

Family

ID=22428827

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9403404A BR9403404A (pt) 1993-09-02 1994-08-31 Processo para a floculação, em um líquido diferente das correntes do processo bayer

Country Status (7)

Country Link
US (1) US5368745A (pt)
EP (1) EP0641584A3 (pt)
AU (1) AU678031B2 (pt)
BR (1) BR9403404A (pt)
CA (1) CA2131223C (pt)
PE (1) PE12095A1 (pt)
ZA (1) ZA946727B (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5656175A (en) * 1995-07-05 1997-08-12 Cytec Technology Corp. Recovery of metal oxides from a slurry
US5688403A (en) * 1996-02-29 1997-11-18 Cytec Technology Corp. Removal of metal ions from solution
GB9724032D0 (en) * 1997-11-13 1998-01-14 Allied Colloids Ltd Ore pelletisation
US6041939A (en) * 1998-03-20 2000-03-28 Thiele Kaolin Company Beneficiation with selective flocculation using hydroxamates
US8007754B2 (en) * 2005-02-04 2011-08-30 Mineral And Coal Technologies, Inc. Separation of diamond from gangue minerals
AU2012205250B2 (en) * 2008-10-29 2014-04-03 The Chemours Company Fc, Llc. Treatment of tailings streams
EP2644579A3 (en) * 2008-10-29 2016-06-08 E. I. du Pont de Nemours and Company Treatment of tailings streams
CN105110439B (zh) * 2015-08-24 2017-07-07 安徽理工大学 从煤泥水分选微细高岭石的方法
AU2016369257B2 (en) 2015-12-07 2022-05-26 Basf Se Leaching aids and methods of using leaching aids
WO2018002365A1 (en) * 2016-06-30 2018-01-04 Weteq S.A. Modified polymeric flocculants
CN109475879A (zh) * 2016-07-15 2019-03-15 埃科莱布美国股份有限公司 用于在煤生产中提高溢流澄清度的方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3345344A (en) * 1961-09-08 1967-10-03 Nopco Chem Co Process for conversion of amidoxime polymers to polyhydroxamic acids using aqueous hydrochloric acid solutions
CS153794B1 (pt) * 1970-07-02 1974-03-29
DE2303081A1 (de) * 1973-01-23 1974-07-25 Ernst Prof Dr Bayer Verfahren zur anreicherung und abtrennung von metallionen an loeslichen polymeren
GB1439057A (en) * 1973-10-10 1976-06-09 Allied Colloids Ltd Flocculating agents for alkaline systems
GB2070108B (en) * 1980-02-14 1984-02-08 Elf Aquitaine Drilling and/or completion muds
FR2533572A1 (fr) * 1982-09-28 1984-03-30 Elf Aquitaine Perfectionnements a la preparation de polymeres a fonctions hydroxamiques, nouveaux polymeres obtenus et leurs applications
FR2536383A1 (fr) * 1982-11-24 1984-05-25 Elf Aquitaine Procede et produit pour l'empechement de l'entartrage par des eaux
FR2538717B1 (fr) * 1982-12-31 1987-09-11 Elf Aquitaine Procede et produit pour l'inhibition du depot d'argiles dans de l'eau
US4816166A (en) * 1983-10-31 1989-03-28 The Dow Chemical Company Flocculation of coal particles and coal slimes
US4545902A (en) * 1984-09-17 1985-10-08 Nalco Chemical Company Flocculants for bauxite (red mud)
FR2577568B1 (fr) * 1985-02-19 1987-12-18 Coatex Sa Agent fluidifiant non polluant pour fluides de forage a base d'eau douce ou saline
JPS61197008A (ja) * 1985-02-27 1986-09-01 Mitsubishi Chem Ind Ltd 微細鉱物粒子を含む廃水処理用アニオン性凝集剤
US4647382A (en) * 1985-06-12 1987-03-03 Sharpe Andrew J Jr Flocculation of high solids mineral slurries
GB8519107D0 (en) * 1985-07-29 1985-09-04 Allied Colloids Ltd Flocculation process
US4786318A (en) * 1986-08-14 1988-11-22 Nalco Chemical Company Thickening of gold process slurries
CA1273888A (en) * 1986-10-01 1990-09-11 Amar J. Sethi Flocculant for bitumen tailings
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
US5128420A (en) * 1987-02-26 1992-07-07 Massachusetts Institute Of Technology Method of making hydroxamic acid polymers from primary amide polymers
US4902751A (en) * 1988-05-24 1990-02-20 American Cyanamid Company Preparation of modified acrylamide polymers
US4875935A (en) * 1988-11-04 1989-10-24 Nalco Chemical Company Anionic acrylamide polymers as copper ore agglomeration aids
WO1991018026A2 (de) * 1990-05-18 1991-11-28 Institut Für Polymerenchemie 'erich Correns' Neue acrylamidoxim-acrylhydroxamsäure-copolymere, verfahren zu ihrer herstellung und ihre verwendung
US5217620A (en) * 1992-11-23 1993-06-08 Nalco Chemical Company Clarification aid for the Bayer process

Also Published As

Publication number Publication date
AU7162194A (en) 1995-03-16
AU678031B2 (en) 1997-05-15
CA2131223A1 (en) 1995-03-03
US5368745A (en) 1994-11-29
CA2131223C (en) 2005-06-07
PE12095A1 (es) 1995-05-02
ZA946727B (en) 1995-04-20
EP0641584A2 (en) 1995-03-08
EP0641584A3 (en) 1995-08-23

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Legal Events

Date Code Title Description
EE Request for examination
CB Opposition filed

Free format text: SNF S/A.

FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law