IT8249718A0 - Procedimento per il recupero di allumina - Google Patents

Procedimento per il recupero di allumina

Info

Publication number
IT8249718A0
IT8249718A0 IT8249718A IT4971882A IT8249718A0 IT 8249718 A0 IT8249718 A0 IT 8249718A0 IT 8249718 A IT8249718 A IT 8249718A IT 4971882 A IT4971882 A IT 4971882A IT 8249718 A0 IT8249718 A0 IT 8249718A0
Authority
IT
Italy
Prior art keywords
alumina
recovery
procedure
Prior art date
Application number
IT8249718A
Other languages
English (en)
Other versions
IT1158038B (it
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=IT8249718(A0) "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 IT8249718A0 publication Critical patent/IT8249718A0/it
Application granted granted Critical
Publication of IT1158038B publication Critical patent/IT1158038B/it

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)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
IT49718/82A 1981-12-30 1982-12-22 Procedimento per il recupero di allumina IT1158038B (it)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IT8249718A0 true IT8249718A0 (it) 1982-12-22
IT1158038B IT1158038B (it) 1987-02-18

Family

ID=23312043

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49718/82A IT1158038B (it) 1981-12-30 1982-12-22 Procedimento per il recupero di allumina

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
CA2150899A1 (en) * 1994-06-06 1995-12-07 J. Kevin Loucks Use of anionic flocculants and hydroxamated polymers as bayer process red mud flocculants
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
JP5358040B1 (ja) 2012-04-26 2013-12-04 昭和電工株式会社 ゲーサイトを含む赤泥の洗浄方法
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
FR2518985A1 (fr) 1983-07-01
GR78426B (it) 1984-09-27
DE3245806A1 (de) 1983-07-07
FR2518985B1 (fr) 1985-07-26
YU243882A (en) 1985-03-20
JPS58120517A (ja) 1983-07-18
BR8207566A (pt) 1983-10-25
AU8060982A (en) 1983-07-07
ES8405641A1 (es) 1984-06-16
CA1192322A (en) 1985-08-20
AU536264B2 (en) 1984-05-03
GB2112366A (en) 1983-07-20
ES518556A0 (es) 1984-06-16
IT1158038B (it) 1987-02-18

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