DE75351A - - Google Patents

Info

Publication number

DE75351A

DE75351A DE75351A DE 75351 A DE75351 A DE 75351A DE 75351 A DE75351 A DE 75351A

Authority

DE

Germany

Prior art keywords

tannery

sulphite pulp

tannic

acid

liquors

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.)

Pending

Links

• Espacenet
• Global Dossier
• DPMA
• Discuss

• 229910052751 metal Inorganic materials 0.000 claims description 7
• 239000002184 metal Substances 0.000 claims description 7
• LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 6
• 150000003839 salts Chemical class 0.000 claims description 4
• QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
• 229910021653 sulphate ion Inorganic materials 0.000 claims 1
• UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
• LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 4
• 235000015523 tannic acid Nutrition 0.000 description 4
• 229920002258 tannic acid Polymers 0.000 description 4
• ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
• VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
• WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
• PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
• 229910000423 chromium oxide Inorganic materials 0.000 description 2
• 150000001875 compounds Chemical class 0.000 description 2
• 239000000284 extract Substances 0.000 description 2
• 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
• 239000002253 acid Substances 0.000 description 1
• 229940037003 alum Drugs 0.000 description 1
• QAOWNCQODCNURD-UHFFFAOYSA-M bisulphate group Chemical group S([O-])(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 1
• LVGQIQHJMRUCRM-UHFFFAOYSA-L calcium bisulfite Chemical compound [Ca+2].OS([O-])=O.OS([O-])=O LVGQIQHJMRUCRM-UHFFFAOYSA-L 0.000 description 1
• 235000010260 calcium hydrogen sulphite Nutrition 0.000 description 1
• 239000000292 calcium oxide Substances 0.000 description 1
• 235000012255 calcium oxide Nutrition 0.000 description 1
• 239000004927 clay Substances 0.000 description 1
• 229910000358 iron sulfate Inorganic materials 0.000 description 1
• BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
• 239000010985 leather Substances 0.000 description 1
• 150000002739 metals Chemical class 0.000 description 1
• 239000002244 precipitate Substances 0.000 description 1
• LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical class 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 description 1
• 229920001864 tannin Polymers 0.000 description 1
• 235000018553 tannin Nutrition 0.000 description 1
• 239000001648 tannin Substances 0.000 description 1
• 239000002699 waste material Substances 0.000 description 1