CA1117274A - Dense phase precipitation - Google Patents

Dense phase precipitation

Info

Publication number
CA1117274A
CA1117274A CA000342622A CA342622A CA1117274A CA 1117274 A CA1117274 A CA 1117274A CA 000342622 A CA000342622 A CA 000342622A CA 342622 A CA342622 A CA 342622A CA 1117274 A CA1117274 A CA 1117274A
Authority
CA
Canada
Prior art keywords
liquor
chamber
precipitation
seed
particles
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
CA000342622A
Other languages
English (en)
French (fr)
Inventor
Allen H. Schlesinger
Lawrence K. Hudson
William M. Fish
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.)
Howmet Aerospace Inc
Original Assignee
Aluminum Company of America
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 Aluminum Company of America filed Critical Aluminum Company of America
Application granted granted Critical
Publication of CA1117274A publication Critical patent/CA1117274A/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
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/144—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/21—Attrition-index or crushing strength of granulates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
CA000342622A 1979-01-18 1979-12-27 Dense phase precipitation Expired CA1117274A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/004,326 US4530699A (en) 1979-01-18 1979-01-18 Dense phase precipitation
US4,326 1987-01-15

Publications (1)

Publication Number Publication Date
CA1117274A true CA1117274A (en) 1982-02-02

Family

ID=21710217

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000342622A Expired CA1117274A (en) 1979-01-18 1979-12-27 Dense phase precipitation

Country Status (14)

Country Link
US (1) US4530699A (US07534539-20090519-C00280.png)
JP (1) JPS5829249B2 (US07534539-20090519-C00280.png)
AU (1) AU529988B2 (US07534539-20090519-C00280.png)
BR (1) BR8000338A (US07534539-20090519-C00280.png)
CA (1) CA1117274A (US07534539-20090519-C00280.png)
DE (1) DE3001644C2 (US07534539-20090519-C00280.png)
FR (1) FR2446799A1 (US07534539-20090519-C00280.png)
GR (1) GR73500B (US07534539-20090519-C00280.png)
HU (1) HU184225B (US07534539-20090519-C00280.png)
IN (1) IN153550B (US07534539-20090519-C00280.png)
IT (1) IT1143053B (US07534539-20090519-C00280.png)
NL (1) NL8000306A (US07534539-20090519-C00280.png)
NO (1) NO800009L (US07534539-20090519-C00280.png)
YU (1) YU10580A (US07534539-20090519-C00280.png)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4666687A (en) * 1985-03-20 1987-05-19 Aluminium Pechiney Method and apparatus for decomposing sodium aluminate liquors without agitation to produce alumina
US4865825A (en) * 1986-05-15 1989-09-12 Aluminium Pechiney Process for the decomposition of sodium aluminate liquor for the production of alumina
CN101955213A (zh) * 2010-09-26 2011-01-26 胡大乔 铝酸钠溶液平推流晶种分解槽

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3308008C1 (de) * 1983-03-07 1984-10-11 Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn Verfahren zur Herstellung feinverteilter Dispersionen von Metalloxiden in Aluminiumhydroxid
JPH0423122Y2 (US07534539-20090519-C00280.png) * 1985-06-28 1992-05-28
DE4231874A1 (de) * 1992-09-23 1994-03-24 Martinswerk Gmbh Verfahren zur Herstellung eines Aluminiumhydroxids Al(OH)¶3¶ mit abgerundeter Kornoberfläche
ES2137447T3 (es) * 1994-11-30 1999-12-16 Billiton Intellectual Pty Procedimiento para la precipitacion de hidroxido de aluminio a partir de una solucion de aluminato de sodio supersaturado.
CN101955212B (zh) * 2010-09-26 2013-03-27 苏向东 铝酸钠溶液平推流分解反应装置
JP5917363B2 (ja) * 2012-10-29 2016-05-11 株式会社東芝 水処理装置
JP6163457B2 (ja) * 2014-06-12 2017-07-12 日軽産業株式会社 アルミン酸ソーダ含有廃液の廃液処理槽及び廃液処理方法
JP6922618B2 (ja) * 2017-09-28 2021-08-18 住友金属鉱山株式会社 液供給管、および化学反応装置
CN109610005B (zh) * 2018-12-11 2020-11-17 武汉光谷信息光电子创新中心有限公司 一种质子交换炉及其使用方法
CN112546946B (zh) * 2020-12-08 2021-08-13 山东瑞尚机械有限公司 一种氧化铝种分分解槽

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1943786A (en) * 1930-10-10 1934-01-16 Electrie Smelting & Alnminum C Process of separating alumina from alkali metal aluminate solutions
US2219776A (en) * 1938-03-03 1940-10-29 Henderson William Noland Crystallization process
GB653741A (en) * 1947-09-25 1951-05-23 Viggo Harms Improvements in and relating to a method and apparatus for precipitation of solids from solutions and the like
US2653858A (en) * 1951-09-22 1953-09-29 Aluminum Co Of America Precipitation of aluminum hydroxide
FR1068369A (fr) * 1952-12-18 1954-06-24 Electro Chimie Soc D Procédé et appareil pour l'obtention de cristaux en grains micro-sphériques
FR1187352A (fr) * 1959-09-24 1959-09-10 Electrochimie Soc Procédé pour l'agglomération de cristaux
FR1314687A (fr) * 1961-02-24 1963-01-11 Ind De L Aluminium Sa Procédé de fabrication d'alumine hydratée à gros grains
FR1311147A (fr) * 1961-05-06 1962-12-07 Electro Chimie Soc D Procédé de fabrication de l'alumine
GB1045216A (en) * 1963-05-06 1966-10-12 Aluminium Lab Ltd Improvements in or relating to the precipitation of alumina
NO135059C (US07534539-20090519-C00280.png) * 1975-04-16 1977-02-02 Norsk Hydro As

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4666687A (en) * 1985-03-20 1987-05-19 Aluminium Pechiney Method and apparatus for decomposing sodium aluminate liquors without agitation to produce alumina
US4865825A (en) * 1986-05-15 1989-09-12 Aluminium Pechiney Process for the decomposition of sodium aluminate liquor for the production of alumina
CN101955213A (zh) * 2010-09-26 2011-01-26 胡大乔 铝酸钠溶液平推流晶种分解槽
CN101955213B (zh) * 2010-09-26 2013-01-02 胡大乔 铝酸钠溶液平推流晶种分解槽

Also Published As

Publication number Publication date
US4530699A (en) 1985-07-23
YU10580A (en) 1983-04-30
HU184225B (en) 1984-07-30
DE3001644C2 (de) 1982-05-19
FR2446799A1 (fr) 1980-08-14
DE3001644A1 (de) 1980-08-21
IT1143053B (it) 1986-10-22
JPS55136121A (en) 1980-10-23
NL8000306A (nl) 1980-07-22
IT8047611A0 (it) 1980-01-16
AU529988B2 (en) 1983-06-30
FR2446799B1 (US07534539-20090519-C00280.png) 1983-03-25
GR73500B (US07534539-20090519-C00280.png) 1984-03-02
NO800009L (no) 1980-07-21
IN153550B (US07534539-20090519-C00280.png) 1984-07-28
BR8000338A (pt) 1980-10-21
JPS5829249B2 (ja) 1983-06-21
AU5350179A (en) 1980-07-24

Similar Documents

Publication Publication Date Title
CA1117274A (en) Dense phase precipitation
US4234559A (en) Process for the manufacture of coarse aluminum hydroxide
US3120426A (en) Process for the production of aragonite crystals
US4617179A (en) Process for effecting seeding in two phases for producing large-grain alumina
US3649184A (en) Precipitation of alumina hydrate
US4049773A (en) Process for precipitation of aluminum hydroxide from aluminate solution
JPS60251125A (ja) バイヤ−法アルミナ水和物の製法
US3265466A (en) Process for the manufacture of trihydrate of alumina
US4865825A (en) Process for the decomposition of sodium aluminate liquor for the production of alumina
US4614642A (en) Method of producing an aluminium trihydroxide with a large, even particle size
CN1911805A (zh) 一种拜耳法种分生产氧化铝的方法
US3607113A (en) Continuous precipitation of alumina hydrate
CA2125005C (en) Method and apparatus for treatment of a potassium chloride mixture
AU650747B2 (en) Method for controlling sodium oxalate levels in sodium aluminate solutions
AU594035B2 (en) Process for the production of aluminium hydroxide with low content of impurities, especially of iron, and with high degree of whiteness
AU691049B2 (en) Process for the precipitation of aluminum trihydroxide from a supersaturated sodium aluminate solution
US5102426A (en) Process for precipitating alumina from bayer process liquor
Pradhan et al. Study on the various factors affecting the quality of precipitated non-metallurgical alumina trihydrate particles
US3607140A (en) Preparation of alumina of improved purity by iron removal
US5093092A (en) Purification of bayer process liquor with alumina coated with a layer or carbon
EP0714852B1 (en) Process for the precipitation of aluminum trihydroxide from a supersaturated sodium aluminate solution
AU4493399A (en) Process for the removal of silica from an alkaline solution containing sodium aluminate
CN1736863A (zh) 煤系高岭岩湿法制聚合氯化铝和高模数液体硅酸钠
Çelikel et al. Precipitation area upgrade at ETI aluminum
CN116854118A (zh) 一种高纯球形氢氧化铝的制备方法及高纯球形氢氧化铝，及一种高纯氧化铝微球

Legal Events

Date Code Title Description
MKEX Expiry