PL39142B1 - - Google Patents

Info

Publication number

PL39142B1

PL39142B1 PL39142A PL3914255A PL39142B1 PL 39142 B1 PL39142 B1 PL 39142B1 PL 39142 A PL39142 A PL 39142A PL 3914255 A PL3914255 A PL 3914255A PL 39142 B1 PL39142 B1 PL 39142B1

Authority

PL

Poland

Prior art keywords

tanning

pickling

chrome

sodium sulphate

leather

Prior art date

1955-08-02

Links

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• PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 19
• VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 17
• 238000005554 pickling Methods 0.000 claims description 11
• 150000003839 salts Chemical class 0.000 claims description 10
• 229910052938 sodium sulfate Inorganic materials 0.000 claims description 10
• 235000011152 sodium sulphate Nutrition 0.000 claims description 10
• 238000000034 method Methods 0.000 claims description 9
• 239000010985 leather Substances 0.000 claims description 8
• 239000002699 waste material Substances 0.000 claims description 5
• QFSKIUZTIHBWFR-UHFFFAOYSA-N chromium;hydrate Chemical compound O.[Cr] QFSKIUZTIHBWFR-UHFFFAOYSA-N 0.000 claims 1
• SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 claims 1
• 230000007935 neutral effect Effects 0.000 claims 1
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 9
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
• 239000011651 chromium Substances 0.000 description 7
• 229910052804 chromium Inorganic materials 0.000 description 6
• AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 3
• 235000019345 sodium thiosulphate Nutrition 0.000 description 3
• 239000004133 Sodium thiosulphate Substances 0.000 description 2
• 238000005530 etching Methods 0.000 description 2
• 241000283707 Capra Species 0.000 description 1
• 230000002378 acidificating effect Effects 0.000 description 1
• 150000001844 chromium Chemical class 0.000 description 1
• JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical class [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
• 238000010411 cooking Methods 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 description 1
• 238000005406 washing Methods 0.000 description 1