CA1082885A - Alumine (boehmite) disersible - Google Patents

Alumine (boehmite) disersible

Info

Publication number: CA1082885A
Authority: CA; Canada
Prior art keywords: alumina; slurry; boehmite; surface area; gibbsite
Prior art date: 1977-01-04
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

CA269,103A

Other languages

English (en)

Inventor

Irwin J. Itzkovitch

Elliot P. Hertzenberg

Ivan H. Joyce

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.)

National Silicates Ltd

Original Assignee

National Silicates Ltd

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.)

1977-01-04

Filing date

1977-01-04

Publication date

1980-08-05

1977-01-04 Application filed by National Silicates Ltd filed Critical National Silicates Ltd

1977-01-04 Priority to CA269,103A priority Critical patent/CA1082885A/fr

1980-08-05 Application granted granted Critical

1980-08-05 Publication of CA1082885A publication Critical patent/CA1082885A/fr

Status Expired legal-status Critical Current

Links

VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 title claims description 13
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 55
239000002245 particle Substances 0.000 claims abstract description 41
238000000034 method Methods 0.000 claims abstract description 40
FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims abstract description 22
150000004684 trihydrates Chemical class 0.000 claims abstract description 22
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
229910001593 boehmite Inorganic materials 0.000 claims abstract description 15
238000001035 drying Methods 0.000 claims abstract description 11
238000002425 crystallisation Methods 0.000 claims abstract description 6
230000008025 crystallization Effects 0.000 claims abstract description 6
230000018044 dehydration Effects 0.000 claims abstract description 6
238000006297 dehydration reaction Methods 0.000 claims abstract description 6
239000002002 slurry Substances 0.000 claims description 29
229910001679 gibbsite Inorganic materials 0.000 claims description 18
238000001354 calcination Methods 0.000 claims description 17
238000010438 heat treatment Methods 0.000 claims description 9
239000007787 solid Substances 0.000 claims description 6
238000001694 spray drying Methods 0.000 claims description 5
238000004519 manufacturing process Methods 0.000 claims description 4
239000002994 raw material Substances 0.000 abstract description 7
238000002360 preparation method Methods 0.000 abstract description 5
239000000047 product Substances 0.000 description 10
239000006185 dispersion Substances 0.000 description 6
239000000463 material Substances 0.000 description 6
AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 5
238000005406 washing Methods 0.000 description 4
238000002441 X-ray diffraction Methods 0.000 description 3
239000002253 acid Substances 0.000 description 3
239000012530 fluid Substances 0.000 description 3
239000013067 intermediate product Substances 0.000 description 3
239000002244 precipitate Substances 0.000 description 3
239000000725 suspension Substances 0.000 description 3
239000007864 aqueous solution Substances 0.000 description 2
239000000084 colloidal system Substances 0.000 description 2
230000007062 hydrolysis Effects 0.000 description 2
238000006460 hydrolysis reaction Methods 0.000 description 2
238000010335 hydrothermal treatment Methods 0.000 description 2
239000012535 impurity Substances 0.000 description 2
238000003801 milling Methods 0.000 description 2
KZNNRLXBDAAMDZ-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane trihydrate Chemical compound O.O.O.O=[Al]O[Al]=O KZNNRLXBDAAMDZ-UHFFFAOYSA-N 0.000 description 2
239000000376 reactant Substances 0.000 description 2
239000007858 starting material Substances 0.000 description 2
230000009466 transformation Effects 0.000 description 2
230000004075 alteration Effects 0.000 description 1
150000001450 anions Chemical class 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000003054 catalyst Substances 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
239000013078 crystal Substances 0.000 description 1
239000002270 dispersing agent Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000012467 final product Substances 0.000 description 1
239000010419 fine particle Substances 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
150000004682 monohydrates Chemical class 0.000 description 1
239000011087 paperboard Substances 0.000 description 1
239000013618 particulate matter Substances 0.000 description 1
230000001737 promoting effect Effects 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
239000000243 solution Substances 0.000 description 1
238000011282 treatment Methods 0.000 description 1

Landscapes

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

CA269,103A 1977-01-04 1977-01-04 Alumine (boehmite) disersible Expired CA1082885A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA269,103A CA1082885A (fr)	1977-01-04	1977-01-04	Alumine (boehmite) disersible

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA269,103A CA1082885A (fr)	1977-01-04	1977-01-04	Alumine (boehmite) disersible

Publications (1)

Publication Number	Publication Date
CA1082885A true CA1082885A (fr)	1980-08-05

Family

ID=4107649

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA269,103A Expired CA1082885A (fr)	1977-01-04	1977-01-04	Alumine (boehmite) disersible

Country Status (1)

Country	Link
CA (1)	CA1082885A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN116040665A (zh) *	2021-10-28	2023-05-02	中国石油化工股份有限公司	一种拟薄水铝石及其制备方法

1977
- 1977-01-04 CA CA269,103A patent/CA1082885A/fr not_active Expired

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN116040665A (zh) *	2021-10-28	2023-05-02	中国石油化工股份有限公司	一种拟薄水铝石及其制备方法
CN116040665B (zh) *	2021-10-28	2025-06-06	中国石油化工股份有限公司	一种拟薄水铝石及其制备方法

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Legal Events

Date	Code	Title	Description
1997-08-05	MKEX	Expiry