DE270626C - - Google Patents

Info

Publication number

DE270626C

DE270626C DENDAT270626D DE270626DA DE270626C DE 270626 C DE270626 C DE 270626C DE NDAT270626 D DENDAT270626 D DE NDAT270626D DE 270626D A DE270626D A DE 270626DA DE 270626 C DE270626 C DE 270626C

Authority

DE

Germany

Prior art keywords

leather

tannic acid

fibers

wastewater

substances

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.)

Active

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• 239000010985 leather Substances 0.000 claims description 35
• LRBQNJMCXXYXIU-NRMVVENXSA-N Tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 claims description 18
• 239000000835 fiber Substances 0.000 claims description 16
• 239000001263 FEMA 3042 Substances 0.000 claims description 15
• 229940033123 Tannic Acid Drugs 0.000 claims description 15
• 235000015523 tannic acid Nutrition 0.000 claims description 15
• 229920002258 tannic acid Polymers 0.000 claims description 15
• 239000002351 wastewater Substances 0.000 claims description 15
• 239000000126 substance Substances 0.000 claims description 14
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
• 239000003292 glue Substances 0.000 claims description 5
• 239000000463 material Substances 0.000 claims description 5
• 238000000034 method Methods 0.000 claims description 5
• 229920000159 gelatin Polymers 0.000 claims description 4
• 235000019322 gelatine Nutrition 0.000 claims description 4
• 108010010803 Gelatin Proteins 0.000 claims description 3
• 239000008273 gelatin Substances 0.000 claims description 3
• 235000011852 gelatine desserts Nutrition 0.000 claims description 3
• 238000004519 manufacturing process Methods 0.000 claims description 2
• 239000001828 Gelatine Substances 0.000 claims 1
• 239000003795 chemical substances by application Substances 0.000 claims 1
• 150000001875 compounds Chemical class 0.000 claims 1
• 239000002699 waste material Substances 0.000 description 9
• 239000000203 mixture Substances 0.000 description 4
• 239000012213 gelatinous substance Substances 0.000 description 3
• 210000003491 Skin Anatomy 0.000 description 2
• VXMKYRQZQXVKGB-CWWHNZPOSA-N Tannin Chemical compound O([C@H]1[C@H]([C@@H]2OC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)O[C@H]([C@H]2O)O1)O)C(=O)C1=CC(O)=C(O)C(O)=C1 VXMKYRQZQXVKGB-CWWHNZPOSA-N 0.000 description 2
• 238000010009 beating Methods 0.000 description 2
• 238000000354 decomposition reaction Methods 0.000 description 2
• 239000004744 fabric Substances 0.000 description 2
• 239000002649 leather substitute Substances 0.000 description 2
• 229920001864 tannin Polymers 0.000 description 2
• 235000018553 tannin Nutrition 0.000 description 2
• 239000001648 tannin Substances 0.000 description 2
• 229920001131 Pulp (paper) Polymers 0.000 description 1
• 229940037003 alum Drugs 0.000 description 1
• RCTYPNKXASFOBE-UHFFFAOYSA-M chloromercury Chemical compound [Hg]Cl RCTYPNKXASFOBE-UHFFFAOYSA-M 0.000 description 1
• 238000010790 dilution Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 239000000945 filler Substances 0.000 description 1
• 238000002386 leaching Methods 0.000 description 1
• 239000002244 precipitate Substances 0.000 description 1
• 230000001376 precipitating Effects 0.000 description 1
• 239000000047 product Substances 0.000 description 1
• 150000003839 salts Chemical class 0.000 description 1
• 239000010865 sewage Substances 0.000 description 1
• 239000011780 sodium chloride Substances 0.000 description 1
• 238000005406 washing Methods 0.000 description 1