About: Pedersen process

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The Pederson process is a process of refining aluminum that first separates iron by reducing it to metal, and reacting alumina with lime to produce calcium aluminate, which is then leached with sodium hydroxide. It is more environmentally friendly than the more well-known Bayer process. This is because instead of producing alumina slag, also known as red mud, it produces pig iron as a byproduct. Red mud is considered both an economic and environmental challenge in the aluminum industry because it is considered a waste, with little benefit. It destroys the environment with its high pH, and is costly to maintain, even when in a landfill. Iron, however, is used in the manufacture of steel, and has structural uses in civil engineering and chemical uses as a catalyst.

Attributes	Values
rdfs:label	Pedersen process (en)
rdfs:comment	The Pederson process is a process of refining aluminum that first separates iron by reducing it to metal, and reacting alumina with lime to produce calcium aluminate, which is then leached with sodium hydroxide. It is more environmentally friendly than the more well-known Bayer process. This is because instead of producing alumina slag, also known as red mud, it produces pig iron as a byproduct. Red mud is considered both an economic and environmental challenge in the aluminum industry because it is considered a waste, with little benefit. It destroys the environment with its high pH, and is costly to maintain, even when in a landfill. Iron, however, is used in the manufacture of steel, and has structural uses in civil engineering and chemical uses as a catalyst. (en)
dct:subject	Aluminium industry Chemical processes Metallurgical processes
Wikipage page ID	70221526 (xsd:integer)
Wikipage revision ID	1113974051 (xsd:integer)
Link from a Wikipage to another Wikipage	Catalyst Bayer process Electrical energy Environmentally friendly Byproduct Lime (material) Pig iron Manufacture Environmental Copper Bauxite Hall–Héroult process Thermal energy Tin Iron oxide Economic Landfill Aluminum Aluminium industry Bronze Norway PH Steel Chemical Process Harald Pedersen Iron Chemical processes Metallurgical processes Coal Red mud Sodium hydroxide Civil engineering Metal Natural environment Maintain Smelting Refining Alumina Structural
sameAs	Pedersen process Pedersen process
dbp:wikiPageUsesTemplate	dbt:Reflist dbt:Short_description
has abstract	The Pederson process is a process of refining aluminum that first separates iron by reducing it to metal, and reacting alumina with lime to produce calcium aluminate, which is then leached with sodium hydroxide. It is more environmentally friendly than the more well-known Bayer process. This is because instead of producing alumina slag, also known as red mud, it produces pig iron as a byproduct. Red mud is considered both an economic and environmental challenge in the aluminum industry because it is considered a waste, with little benefit. It destroys the environment with its high pH, and is costly to maintain, even when in a landfill. Iron, however, is used in the manufacture of steel, and has structural uses in civil engineering and chemical uses as a catalyst. (en)
prov:wasDerivedFrom	wikipedia-en:Pedersen_process?oldid=1113974051&ns=0
page length (characters) of wiki page	3997 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Pedersen_process
is Link from a Wikipage to another Wikipage of	Pedersen Process
is Wikipage redirect of	Pedersen Process
is foaf:primaryTopic of	wikipedia-en:Pedersen_process

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