NO121528B - - Google Patents

Info

Publication number

NO121528B

NO121528B NO146568A NO146568A NO121528B NO 121528 B NO121528 B NO 121528B NO 146568 A NO146568 A NO 146568A NO 146568 A NO146568 A NO 146568A NO 121528 B NO121528 B NO 121528B

Authority

NO

Norway

Prior art keywords

cathode

aluminum

electrolysis

molten

depressions

Prior art date

1968-04-18

Links

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• XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 48
• 229910052782 aluminium Inorganic materials 0.000 claims description 47
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 23
• 229910052799 carbon Inorganic materials 0.000 claims description 20
• 239000010410 layer Substances 0.000 claims description 17
• 238000005868 electrolysis reaction Methods 0.000 claims description 16
• 239000003245 coal Substances 0.000 claims description 10
• TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 9
• 239000004411 aluminium Substances 0.000 claims description 8
• 229910052751 metal Inorganic materials 0.000 claims description 7
• 239000002184 metal Substances 0.000 claims description 7
• 238000000034 method Methods 0.000 claims description 7
• 238000004519 manufacturing process Methods 0.000 claims description 5
• 230000001681 protective effect Effects 0.000 claims description 5
• 239000007788 liquid Substances 0.000 claims description 4
• 239000011241 protective layer Substances 0.000 claims description 3
• 239000011810 insulating material Substances 0.000 claims description 2
• CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 2
• 239000000395 magnesium oxide Substances 0.000 claims description 2
• AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 2
• 230000014759 maintenance of location Effects 0.000 claims description 2
• 238000002844 melting Methods 0.000 claims 1
• 230000008018 melting Effects 0.000 claims 1
• 239000000463 material Substances 0.000 description 8
• 150000003839 salts Chemical class 0.000 description 4
• 229910002804 graphite Inorganic materials 0.000 description 3
• 239000010439 graphite Substances 0.000 description 3
• 239000000203 mixture Substances 0.000 description 3
• 229910003481 amorphous carbon Inorganic materials 0.000 description 2
• 238000005265 energy consumption Methods 0.000 description 2
• 230000004048 modification Effects 0.000 description 2
• 238000012986 modification Methods 0.000 description 2
• 239000007787 solid Substances 0.000 description 2
• 239000000126 substance Substances 0.000 description 2
• DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
• 150000001768 cations Chemical class 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 230000006378 damage Effects 0.000 description 1
• 230000007423 decrease Effects 0.000 description 1
• 239000012777 electrically insulating material Substances 0.000 description 1
• 239000004615 ingredient Substances 0.000 description 1
• VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
• 239000002245 particle Substances 0.000 description 1
• 239000011253 protective coating Substances 0.000 description 1
• 239000011819 refractory material Substances 0.000 description 1
• 230000000717 retained effect Effects 0.000 description 1
• 238000000926 separation method Methods 0.000 description 1
• 229910052708 sodium Inorganic materials 0.000 description 1
• 239000011734 sodium Substances 0.000 description 1
• 239000002344 surface layer Substances 0.000 description 1