CA1200075A - Purification of bayer process liquors - Google Patents

Purification of bayer process liquors

Info

Publication number
CA1200075A
CA1200075A CA000447058A CA447058A CA1200075A CA 1200075 A CA1200075 A CA 1200075A CA 000447058 A CA000447058 A CA 000447058A CA 447058 A CA447058 A CA 447058A CA 1200075 A CA1200075 A CA 1200075A
Authority
CA
Canada
Prior art keywords
liquor
oxalate
caustic
bayer
bayer process
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
CA000447058A
Other languages
English (en)
French (fr)
Inventor
Donald J. Donaldson
Allan C. Kelly
Joseph W. Mulloy
Donald R. Zwakenberg
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.)
Kaiser Aluminum and Chemical Corp
Original Assignee
Kaiser Aluminum and Chemical 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23929512&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1200075(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kaiser Aluminum and Chemical Corp filed Critical Kaiser Aluminum and Chemical Corp
Application granted granted Critical
Publication of CA1200075A publication Critical patent/CA1200075A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C01F7/473—Removal of organic compounds, e.g. sodium oxalate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
CA000447058A 1983-04-18 1984-02-08 Purification of bayer process liquors Expired CA1200075A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US485,807 1983-04-18
US06/485,807 US4443416A (en) 1983-04-18 1983-04-18 Purification of bayer process liquors

Publications (1)

Publication Number Publication Date
CA1200075A true CA1200075A (en) 1986-02-04

Family

ID=23929512

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000447058A Expired CA1200075A (en) 1983-04-18 1984-02-08 Purification of bayer process liquors

Country Status (6)

Country Link
US (1) US4443416A (enExample)
EP (1) EP0127262B1 (enExample)
JP (1) JPS59199529A (enExample)
AU (1) AU558303B2 (enExample)
CA (1) CA1200075A (enExample)
DE (1) DE3461023D1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2566382B1 (fr) * 1984-06-25 1986-10-24 Pechiney Aluminium Purification des solutions d'aluminate de sodium du cycle bayer par elimination d'oxalate de sodium
JPH06193342A (ja) * 1992-12-26 1994-07-12 Koji Kitagawa 排煙窓の開放装置
CN101575111B (zh) * 2008-05-08 2011-04-06 沈阳铝镁设计研究院 一种铝酸钠溶液中草酸盐的去除系统及方法
CN107572570A (zh) * 2017-09-15 2018-01-12 臧海伟 一种从拜耳法洗液中脱除草酸盐的方法
WO2019161455A1 (en) * 2018-02-23 2019-08-29 Rio Tinto Alcan International Limited Bayer process
CN115893460B (zh) * 2022-11-23 2024-04-02 中铝矿业有限公司 一种降低种分槽内草酸盐杂质析出的方法及装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2981600A (en) * 1952-12-01 1961-04-25 Kaiser Aluminium Chem Corp Process of purifying caustic aluminate liquors
US3372985A (en) * 1963-02-20 1968-03-12 Kaiser Aluminium Chem Corp Process for removing impurities from the precipitation system of the bayer process
FR1386328A (fr) * 1963-11-19 1965-01-22 Pechiney Prod Chimiques Sa Perfectionnements à la régénération des lessives de soude résiduaires de la préparation d'alumine
GB1158048A (en) * 1967-06-19 1969-07-09 Kaiser Aluminium Chem Corp Improvements in or relating to the Bayer Process
US3649185A (en) * 1967-08-23 1972-03-14 Showa Denko Kk Method for removing impurities in the bayer process
JPS53400B2 (enExample) * 1972-12-06 1978-01-07
DE2518431C3 (de) * 1975-04-25 1982-02-04 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfarhen zur Entfernung der schädlichen organischen Verbindungen aus der bei der Tonerdegewinnung nach dem Bayer-Verfarhen anfallenden Aluminatlauge
FR2328660A1 (fr) * 1975-10-21 1977-05-20 Pechiney Aluminium Perfectionnement a l'epuration de solutions en circulation dans le cycle bayer
JPS603005B2 (ja) * 1978-05-08 1985-01-25 住友アルミニウム製錬株式会社 アルミン酸ソ−ダ溶液より析出水酸化アルミニウムを分離する方法
US4263261A (en) * 1978-12-21 1981-04-21 Sumitomo Aluminium Smelting Company, Limited Method for the removal of impurities from sodium aluminate solution
HU180650B (en) * 1979-10-30 1983-04-29 Magyar Aluminium Process for diminishing organic content of bayer cycle of alum earth production

Also Published As

Publication number Publication date
AU2703584A (en) 1984-10-25
DE3461023D1 (en) 1986-11-27
EP0127262A1 (en) 1984-12-05
AU558303B2 (en) 1987-01-22
JPH0256285B2 (enExample) 1990-11-29
EP0127262B1 (en) 1986-10-22
US4443416A (en) 1984-04-17
JPS59199529A (ja) 1984-11-12

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 20040208