BR8207566A - Processo para flocular lamas vermelhas do circuito de recuperacao de alumina de bayer - Google Patents

Processo para flocular lamas vermelhas do circuito de recuperacao de alumina de bayer

Info

Publication number
BR8207566A
BR8207566A BR8207566A BR8207566A BR8207566A BR 8207566 A BR8207566 A BR 8207566A BR 8207566 A BR8207566 A BR 8207566A BR 8207566 A BR8207566 A BR 8207566A BR 8207566 A BR8207566 A BR 8207566A
Authority
BR
Brazil
Prior art keywords
flocular
alumin
bayer
recovery circuit
circuit red
Prior art date
Application number
BR8207566A
Other languages
English (en)
Portuguese (pt)
Inventor
Neville J Brownrigg
Original Assignee
American Cyanamid Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23312043&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8207566(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by American Cyanamid Co filed Critical American Cyanamid Co
Publication of BR8207566A publication Critical patent/BR8207566A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D3/00—Differential sedimentation
    • B03D3/06—Flocculation
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/016—Macromolecular 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
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
    • C01F7/0646—Separation of the insoluble residue, e.g. of red mud
    • C01F7/0653—Separation of the insoluble residue, e.g. of red mud characterised by the flocculant added to the slurry
    • 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
    • C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/008—Organic compounds containing oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/01—Organic compounds containing nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2201/00—Specified effects produced by the flotation agents
    • B03D2201/002—Coagulants and Flocculants

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
BR8207566A 1981-12-30 1982-12-29 Processo para flocular lamas vermelhas do circuito de recuperacao de alumina de bayer BR8207566A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33549981A 1981-12-30 1981-12-30

Publications (1)

Publication Number Publication Date
BR8207566A true BR8207566A (pt) 1983-10-25

Family

ID=23312043

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8207566A BR8207566A (pt) 1981-12-30 1982-12-29 Processo para flocular lamas vermelhas do circuito de recuperacao de alumina de bayer

Country Status (11)

Country Link
JP (1) JPS58120517A (it)
AU (1) AU536264B2 (it)
BR (1) BR8207566A (it)
CA (1) CA1192322A (it)
DE (1) DE3245806A1 (it)
ES (1) ES518556A0 (it)
FR (1) FR2518985B1 (it)
GB (1) GB2112366A (it)
GR (1) GR78426B (it)
IT (1) IT1158038B (it)
YU (1) YU243882A (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154224A (en) * 1984-02-13 1985-09-04 Engelhard Corp Clay dewatering process
US4545902A (en) * 1984-09-17 1985-10-08 Nalco Chemical Company Flocculants for bauxite (red mud)
US4608237A (en) * 1985-04-24 1986-08-26 Nalco Chemical Company Use of polymers in alumina precipitation in the Bayer process of bauxite beneficiation
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
AU627469B2 (en) * 1988-07-18 1992-08-27 Allied Colloids Limited Recovery of alumina from bauxite
GB8907995D0 (en) * 1989-04-10 1989-05-24 Allied Colloids Ltd Recovery of alumina trihydrate in the bayer process
UA41905C2 (uk) * 1994-06-06 2001-10-15 Сайтек Текнолоджі Корп. Спосіб виготовлення глинозему за методом бауера
US5951955A (en) * 1995-11-07 1999-09-14 Cytec Technology Corp. Concentration of solids in the Bayer process
US5853677A (en) * 1996-04-26 1998-12-29 Cytec Technology Corp. Concentration of solids by flocculating in the Bayer process
AU2013231168B2 (en) 2012-04-26 2015-05-14 Showa Denko K.K. Washing method of goethite-containing red mud
CN103406091B (zh) * 2013-07-22 2015-04-08 沈阳理工大学 一种(甲基)丙烯酸生产废水制备钛酸盐吸附剂的方法
CN103480499B (zh) * 2013-09-25 2015-07-15 中国地质科学院郑州矿产综合利用研究所 一种用于一水硬铝石型铝土矿正浮选的调整剂及其使用方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445187A (en) * 1966-05-25 1969-05-20 Nalco Chemical Co Process for separation of red mud from dissolved alumina
JPS4837678B1 (it) * 1969-04-17 1973-11-13
NL6906483A (it) * 1969-04-30 1970-10-27
JPS4929080B1 (it) * 1970-08-24 1974-08-01
GB1439057A (en) * 1973-10-10 1976-06-09 Allied Colloids Ltd Flocculating agents for alkaline systems
US4083925A (en) * 1976-03-22 1978-04-11 Martin Marietta Aluminum, Inc. Method for removing ferrous iron from alkali metal aluminate liquor
CA1176031A (en) * 1980-07-23 1984-10-16 American Cyanamid Company Process for alumina recovery

Also Published As

Publication number Publication date
FR2518985B1 (fr) 1985-07-26
GB2112366A (en) 1983-07-20
FR2518985A1 (fr) 1983-07-01
IT8249718A0 (it) 1982-12-22
IT1158038B (it) 1987-02-18
ES8405641A1 (es) 1984-06-16
YU243882A (en) 1985-03-20
DE3245806A1 (de) 1983-07-07
CA1192322A (en) 1985-08-20
AU536264B2 (en) 1984-05-03
ES518556A0 (es) 1984-06-16
GR78426B (it) 1984-09-27
AU8060982A (en) 1983-07-07
JPS58120517A (ja) 1983-07-18

Similar Documents

Publication Publication Date Title
DE3272091D1 (en) Poly(esteramide) derived from 6-hydroxy-2-naphthoic acid
IT1151571B (it) Circuito di respirazione
BR8207566A (pt) Processo para flocular lamas vermelhas do circuito de recuperacao de alumina de bayer
DE3377374D1 (en) Heat recovery system
GB8304312D0 (en) Heat exchangers
GB8330689D0 (en) Heat recovery system
BR8104729A (pt) Processo para a floculacao de residuos vermelhos de bauxita do circuito de recuperacao de alumina "bayer"
AU553950B2 (en) Recovery of alumina from aluminous ores
IT1203854B (it) Circuito di rivelazione di sincronizzazione
AU543275B2 (en) Recovery of alumina from aluminous ores
DE3562764D1 (en) Purification of sodium aluminate solutions of the bayer process by elimination of sodium oxalate
GB2131111B (en) Tube-in-shell heat exchangers
BR8304023A (pt) Processo de caustificacao
GB8328445D0 (en) Heat exchangers
AU2703584A (en) Purification of bayer liquor after recovery of alumina hydrate
JPS57183726A (en) Removal of halogenation impurities of olefin oligomers
BR8202387A (pt) Sistema de iluminacao para um espaco e processo para controlar um circuito de iluminacao para um espaco
BR8301366A (pt) Permutador termico
IT1155665B (it) Circuito di sincronizzazione
GB8307645D0 (en) Heat exchangers
IT8268457A0 (it) Tappo per circuito di scambiatore di calore
GB8515116D0 (en) Heat exchange element
ES520555A0 (es) Circuito temporizador de seguridad intrinseca.
IT8311317V0 (it) Recuperatore di calore
JPS57199199A (en) Inverter type fluorescent lamp firing device