ES8405641A1 - Procedimiento para flocular lodos rojos procedentes del circuito de recuperacion de alumina bayer. - Google Patents

Procedimiento para flocular lodos rojos procedentes del circuito de recuperacion de alumina bayer.

Info

Publication number
ES8405641A1
ES8405641A1 ES518556A ES518556A ES8405641A1 ES 8405641 A1 ES8405641 A1 ES 8405641A1 ES 518556 A ES518556 A ES 518556A ES 518556 A ES518556 A ES 518556A ES 8405641 A1 ES8405641 A1 ES 8405641A1
Authority
ES
Spain
Prior art keywords
acrylic acid
red mud
molar percent
recovery circuit
acrylates
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
Application number
ES518556A
Other languages
English (en)
Other versions
ES518556A0 (es
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.)
Wyeth Holdings LLC
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=ES8405641(A1) "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 ES8405641A1 publication Critical patent/ES8405641A1/es
Publication of ES518556A0 publication Critical patent/ES518556A0/es
Granted legal-status Critical Current

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)

Abstract

PROCEDIMIENTO PARA FLOCULAR LODOS ROJOS PROCEDENTES DEL CIRCUITO DE RECUPERACION DE ALUMINA BAYER.COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, SE AÑADE A LA PRIMERA ETAPA DEL CIRCUITO DE RECUPERACION, UNA CANTIDAD EFICAZ DE UN FLOCULANTE ELEGIDO ENTRE ALMIDON, HOMOPOLIMEROS DE ACIDO ACRILICO O ACRILATOS, COPOLIMEROS DE ACIDO ACRILICO O ACRILATOS, CONTENIENDO AL MENOS UN 80 MOLAR DE MONOMEROS DE ACIDO ACRILICO O ACRILATO, Y COMBINACIONES DE LOS MISMOS; SEGUNDA, SE AÑADE A CONTINUACION, EN CIERTAS ETAPAS DEL CIRCUITO CAUSTICO DE RECUPERACION, UNA CANTIDAD EFICAZDE UN COPOLIMERO QUE CONTIENE DE UN 35 A UN 75 MOLAR DE MONOMEROS DE ACIDO ACRILICO O ACRILATO Y DE UN 65 A UN 25 MOLAR DE MONOMEROS DE ACRILAMIDA; Y POR ULTIMO, SE MANTIENE DICHO CIRCUITO A UN PH COMPRENDIDO ENTRE UN 11,5 A UN 12,5, Y A UNA TEMPERATURA COMPRENDIDA ENTRE 90 Y 50 GRADOS.DE APLICACION EN LA FABRICACION DE ALUMINA MEDIANTE EL PROCESO BAYER.
ES518556A 1981-12-30 1982-12-24 Procedimiento para flocular lodos rojos procedentes del circuito de recuperacion de alumina bayer. Granted ES518556A0 (es)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ES8405641A1 true ES8405641A1 (es) 1984-06-16
ES518556A0 ES518556A0 (es) 1984-06-16

Family

ID=23312043

Family Applications (1)

Application Number Title Priority Date Filing Date
ES518556A Granted ES518556A0 (es) 1981-12-30 1982-12-24 Procedimiento para flocular lodos rojos procedentes del circuito de recuperacion de alumina bayer.

Country Status (11)

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

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 (es) * 1969-04-17 1973-11-13
NL6906483A (es) * 1969-04-30 1970-10-27
JPS4929080B1 (es) * 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
YU243882A (en) 1985-03-20
DE3245806A1 (de) 1983-07-07
CA1192322A (en) 1985-08-20
AU536264B2 (en) 1984-05-03
BR8207566A (pt) 1983-10-25
ES518556A0 (es) 1984-06-16
GR78426B (es) 1984-09-27
AU8060982A (en) 1983-07-07
JPS58120517A (ja) 1983-07-18

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