CH231898A - Verfahren zur Herstellung eines Gerbmittels. - Google Patents
Verfahren zur Herstellung eines Gerbmittels.Info
- Publication number
- CH231898A CH231898A CH231898DA CH231898A CH 231898 A CH231898 A CH 231898A CH 231898D A CH231898D A CH 231898DA CH 231898 A CH231898 A CH 231898A
- Authority
- CH
- Switzerland
- Prior art keywords
- sep
- waste liquor
- tanning
- sulphite
- tannin
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000002699 waste material Substances 0.000 claims description 19
- 229920001864 tannin Polymers 0.000 claims description 17
- 239000001648 tannin Substances 0.000 claims description 17
- 235000018553 tannin Nutrition 0.000 claims description 17
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 11
- 238000002386 leaching Methods 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 4
- 238000011282 treatment Methods 0.000 claims description 4
- 239000005418 vegetable material Substances 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims 1
- 239000000284 extract Substances 0.000 description 12
- 241000218657 Picea Species 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000000605 extraction Methods 0.000 description 8
- 229920005610 lignin Polymers 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000010985 leather Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 241001070941 Castanea Species 0.000 description 2
- 235000014036 Castanea Nutrition 0.000 description 2
- 241000219492 Quercus Species 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 235000002639 sodium chloride Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- FOGYNLXERPKEGN-UHFFFAOYSA-N 3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfopropyl)phenoxy]propane-1-sulfonic acid Chemical compound COC1=CC=CC(CC(CS(O)(=O)=O)OC=2C(=CC(CCCS(O)(=O)=O)=CC=2)OC)=C1O FOGYNLXERPKEGN-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 235000014145 Caesalpinia bonduc Nutrition 0.000 description 1
- 235000009133 Caesalpinia coriaria Nutrition 0.000 description 1
- 235000005082 Caesalpinia paraguariensis Nutrition 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241001618206 Libidibia coriaria Species 0.000 description 1
- 229920000473 Phlobaphene Polymers 0.000 description 1
- 235000017343 Quebracho blanco Nutrition 0.000 description 1
- 241000065615 Schinopsis balansae Species 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/08—Chemical tanning by organic agents
- C14C3/24—Chemical tanning by organic agents using lignin derivatives, e.g. sulfate liquor
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE63562X | 1941-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH231898A true CH231898A (de) | 1944-04-30 |
Family
ID=5632071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH231898D CH231898A (de) | 1941-07-25 | 1942-07-08 | Verfahren zur Herstellung eines Gerbmittels. |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH231898A (fr) |
| DK (1) | DK63562C (fr) |
| FR (1) | FR884477A (fr) |
-
1942
- 1942-07-08 CH CH231898D patent/CH231898A/de unknown
- 1942-07-24 DK DK166542A patent/DK63562C/da active
- 1942-07-25 FR FR884477D patent/FR884477A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK63562C (da) | 1945-06-04 |
| FR884477A (fr) | 1943-08-18 |
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