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連絡先担当者 Mr. Eva
No.76 Sanhao Street, Shenyang, Liaoning
Description
1)aluminum hydroxide: High whiteness powder
2)package: *0kg/bag
3)particle size:*******0um
Aluminum hydroxide:
Chemistry
Gibbsite has a typical metal hydroxide structure with hydrogen
bonds. It is built up of double layers of hydroxyl groups with
aluminium ions occupying two-thirds of the octahedral holes between
the two layers
Aluminium hydroxide is amphoteric. It dissolves in acid, forming
Al(H2O)*3+ (hexaaquaaluminate) or its hydrolysis products. It also
dissolves in strong alkali, forming Al(OH)*-
(tetrahydroxoaluminate).
Production
Virtually all the aluminium hydroxide used commercially is manufactured by the Bayer process which involves dissolving bauxite in sodium hydroxide as the first step. It is marketed as Alu-Tabs.
Uses
Annual production is some **0 million tonnes, over *0% of which is converted to aluminium oxide (alumina) which is used in the manufacture of aluminium metal.
The major other uses of aluminium hydroxide is as a feedstock for the manufacture of other aluminium compounds: specialty calcined aluminas, aluminium supfate, polyaluminium chloride, aluminium chloride, zeolites, sodium aluminate, activated alumina, aluminium nitrate.
