DE302117C - - Google Patents

Info

Publication number

DE302117C

DE302117C DENDAT302117D DE302117DC DE302117C DE 302117 C DE302117 C DE 302117C DE NDAT302117 D DENDAT302117 D DE NDAT302117D DE 302117D C DE302117D C DE 302117DC DE 302117 C DE302117 C DE 302117C

Authority

DE

Germany

Prior art keywords

electrically conductive

electrical resistance

charcoal

coal

resistance heating

Prior art date

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.)

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• 238000000034 method Methods 0.000 claims description 7
• 238000010438 heat treatment Methods 0.000 claims description 5
• 238000006243 chemical reaction Methods 0.000 claims description 4
• 239000000203 mixture Substances 0.000 claims description 4
• 125000001153 fluoro group Chemical class F* 0.000 claims description 3
• 239000010436 fluorite Substances 0.000 claims description 2
• OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 2
• 229910052939 potassium sulfate Inorganic materials 0.000 claims description 2
• 235000011151 potassium sulphates Nutrition 0.000 claims description 2
• 239000003610 charcoal Substances 0.000 claims 2
• QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 1
• 239000003513 alkali Substances 0.000 claims 1
• 238000000137 annealing Methods 0.000 claims 1
• 238000001354 calcination Methods 0.000 claims 1
• 239000001120 potassium sulphate Substances 0.000 claims 1
• 238000002360 preparation method Methods 0.000 claims 1
• 229910021653 sulphate ion Inorganic materials 0.000 claims 1
• 239000003245 coal Substances 0.000 description 6
• 239000000463 material Substances 0.000 description 4
• 238000001311 chemical methods and process Methods 0.000 description 2
• 238000004519 manufacturing process Methods 0.000 description 2
• 239000002341 toxic gas Substances 0.000 description 2
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
• 239000000654 additive Substances 0.000 description 1
• 230000000996 additive effect Effects 0.000 description 1
• 229910052782 aluminium Inorganic materials 0.000 description 1
• 210000001217 buttock Anatomy 0.000 description 1
• 238000004364 calculation method Methods 0.000 description 1
• 229910052799 carbon Inorganic materials 0.000 description 1
• 239000000571 coke Substances 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 230000008030 elimination Effects 0.000 description 1
• 238000003379 elimination reaction Methods 0.000 description 1
• 238000009533 lab test Methods 0.000 description 1
• 239000002245 particle Substances 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1