JPS569218A - Manufacture of alumina granule - Google Patents

Manufacture of alumina granule

Info

Publication number
JPS569218A
JPS569218A JP8177879A JP8177879A JPS569218A JP S569218 A JPS569218 A JP S569218A JP 8177879 A JP8177879 A JP 8177879A JP 8177879 A JP8177879 A JP 8177879A JP S569218 A JPS569218 A JP S569218A
Authority
JP
Japan
Prior art keywords
powder
particle size
alumina
superior
activated alumina
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.)
Pending
Application number
JP8177879A
Other languages
Japanese (ja)
Inventor
Fumiyoshi Noda
Hideaki Ueno
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor 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
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP8177879A priority Critical patent/JPS569218A/en
Publication of JPS569218A publication Critical patent/JPS569218A/en
Pending legal-status Critical Current

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  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

PURPOSE: To obtain alumina granules having high strength and superior attrition resistance by adding a binder to activated alumina powder ≥70wt% of which has been specified in particle size and average particle size, and granulating the mixture.
CONSTITUTION: Alumina hydrate obtd. by the Bayer process or other process is partially dehydrated to prepare activated alumina powder having preferably 5W 20% residual water content. At this time, the powder is adjusted so that ≥70wt% of the powder has ≤5μ particle size and ≤3μ average particle size. A binder such as crystal cellulose is added to the powder and mixed. After adding water the mixture is formed into spheres, etc. of a desired diameter, aged in satd. steam, and activated by calcination to obtain activated alumina granules having superior warming effect, high strength and superior attrition resistance.
COPYRIGHT: (C)1981,JPO&Japio
JP8177879A 1979-06-28 1979-06-28 Manufacture of alumina granule Pending JPS569218A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8177879A JPS569218A (en) 1979-06-28 1979-06-28 Manufacture of alumina granule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8177879A JPS569218A (en) 1979-06-28 1979-06-28 Manufacture of alumina granule

Publications (1)

Publication Number Publication Date
JPS569218A true JPS569218A (en) 1981-01-30

Family

ID=13755930

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8177879A Pending JPS569218A (en) 1979-06-28 1979-06-28 Manufacture of alumina granule

Country Status (1)

Country Link
JP (1) JPS569218A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021507867A (en) * 2017-12-22 2021-02-25 ローディア オペレーションズ Porous aluminum hydrate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021507867A (en) * 2017-12-22 2021-02-25 ローディア オペレーションズ Porous aluminum hydrate

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