Bauxite - Revision history

Designing Buildings at 10:55, 16 December 2025

2025-12-16T10:55:23Z

← Older revision		Revision as of 10:55, 16 December 2025
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	* Types of metal.		* Types of metal.
	* Zinc.		* Zinc.
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−	~~[[Category:Articles_needing_more_work]]~~

Designing Buildings at 07:29, 26 September 2022

2022-09-26T07:29:05Z

← Older revision		Revision as of 07:29, 26 September 2022
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−	Bauxite is an amorphous clayey sedimentary rock, primarily known as ~~it is~~ the main commercial ore of aluminium. It ~~is comprised~~ mostly of aluminium oxides and hydroxides (or hydrated alumina), often with iron oxide impurities.	+	Bauxite is an amorphous clayey sedimentary rock, primarily known as the main commercial ore of aluminium. It comprises mostly of aluminium oxides and hydroxides (or hydrated alumina), often with iron oxide impurities.

	Bauxite can be found in many countries, with a higher level of deposits in the tropics. Australia has been one of the top exporters since the 1950's with a list that now includes China, Indonesia, Brazil, and India.		Bauxite can be found in many countries, with a higher level of deposits in the tropics. Australia has been one of the top exporters since the 1950's with a list that now includes China, Indonesia, Brazil, and India.

−	Bauxite is mined by open-cut mining, which is a surface method where topsoil is removed and frequently stored for later land restoration. The bauxite ore is then processed, most commonly by the Bayer process, where it is heated to up to 200 degrees C, under pressure with a sodium hydroxide solution (caustic soda)~~, the~~ aluminium is dissolved as sodium aluminate (primarily [Al(OH)4]−) and extracted.	+	Bauxite is mined by open-cut mining, which is a surface method where topsoil is removed and frequently stored for later land restoration. The bauxite ore is then processed, most commonly by the Bayer process, where it is heated to up to 200 degrees C, under pressure with a sodium hydroxide solution (caustic soda). The aluminium is dissolved as sodium aluminate (primarily [Al(OH)4]−) and extracted.
		+
		+	= Related articles on Designing Buildings =
		+
		+	* Aluminium.
		+	* Cast iron.
		+	* Copper.
		+	* Failure of metals.
		+	* Flashing.
		+	* Galvanised steel.
		+	* Iron.
		+	* Lead.
		+	* Metal.
		+	* Metal roofing.
		+	* Stainless steel.
		+	* Types of metal.
		+	* Zinc.

	[[Category:Articles_needing_more_work]]		[[Category:Articles_needing_more_work]]

Editor: Created page with "Bauxite is an amorphous clayey sedimentary rock, primarily known as it is the main commercial ore of aluminium. It is comprised mostly of aluminium oxides and hydroxides (or hydr..."

2022-09-16T14:04:21Z

Created page with "Bauxite is an amorphous clayey sedimentary rock, primarily known as it is the main commercial ore of aluminium. It is comprised mostly of aluminium oxides and hydroxides (or hydr..."

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Bauxite is an amorphous clayey sedimentary rock, primarily known as it is the main commercial ore of aluminium. It is comprised mostly of aluminium oxides and hydroxides (or hydrated alumina), often with iron oxide impurities.

Bauxite can be found in many countries, with a higher level of deposits in the tropics. Australia has been one of the top exporters since the 1950's with a list that now includes China, Indonesia, Brazil, and India.

Bauxite is mined by open-cut mining, which is a surface method where topsoil is removed and frequently stored for later land restoration. The bauxite ore is then processed, most commonly by the Bayer process, where it is heated to up to 200 degrees C, under pressure with a sodium hydroxide solution (caustic soda), the aluminium is dissolved as sodium aluminate (primarily [Al(OH)4]−) and extracted.

[[Category:Articles_needing_more_work]]