CS237460B1 - Process for leaching of tanner raw-materials - Google Patents
Process for leaching of tanner raw-materials Download PDFInfo
- Publication number
- CS237460B1 CS237460B1 CS228483A CS228483A CS237460B1 CS 237460 B1 CS237460 B1 CS 237460B1 CS 228483 A CS228483 A CS 228483A CS 228483 A CS228483 A CS 228483A CS 237460 B1 CS237460 B1 CS 237460B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- leaching
- weight
- bath
- peeling
- tanner
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 13
- 238000002386 leaching Methods 0.000 title claims description 11
- 239000002994 raw material Substances 0.000 title claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 10
- 239000000920 calcium hydroxide Substances 0.000 claims description 10
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 10
- 239000002351 wastewater Substances 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 238000009991 scouring Methods 0.000 claims 1
- 238000005201 scrubbing Methods 0.000 claims 1
- 230000008961 swelling Effects 0.000 description 10
- 239000002699 waste material Substances 0.000 description 7
- 239000010985 leather Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910052979 sodium sulfide Inorganic materials 0.000 description 5
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000002689 soil Substances 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 235000015278 beef Nutrition 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 210000000707 wrist Anatomy 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 102000011782 Keratins Human genes 0.000 description 1
- 108010076876 Keratins Proteins 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Compounds Of Unknown Constitution (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS228483A CS237460B1 (en) | 1983-04-01 | 1983-04-01 | Process for leaching of tanner raw-materials |
| DD26052484A DD244888A3 (de) | 1983-04-01 | 1984-03-05 | Verfahren zum aeschern von rohhaeuten |
| HU129584A HU196465B (en) | 1983-04-01 | 1984-03-30 | Process for liming tanning raw materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS228483A CS237460B1 (en) | 1983-04-01 | 1983-04-01 | Process for leaching of tanner raw-materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS237460B1 true CS237460B1 (en) | 1985-08-15 |
Family
ID=5359512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS228483A CS237460B1 (en) | 1983-04-01 | 1983-04-01 | Process for leaching of tanner raw-materials |
Country Status (3)
| Country | Link |
|---|---|
| CS (1) | CS237460B1 (de) |
| DD (1) | DD244888A3 (de) |
| HU (1) | HU196465B (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ302476B6 (cs) * | 2008-07-25 | 2011-06-08 | Eurosound S. R. O. | Zpusob chemicko-mechanického cištení odpadních vod z provozu koželužen |
-
1983
- 1983-04-01 CS CS228483A patent/CS237460B1/cs unknown
-
1984
- 1984-03-05 DD DD26052484A patent/DD244888A3/de not_active IP Right Cessation
- 1984-03-30 HU HU129584A patent/HU196465B/hu not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ302476B6 (cs) * | 2008-07-25 | 2011-06-08 | Eurosound S. R. O. | Zpusob chemicko-mechanického cištení odpadních vod z provozu koželužen |
Also Published As
| Publication number | Publication date |
|---|---|
| DD244888A3 (de) | 1987-04-22 |
| HU196465B (en) | 1988-11-28 |
| HUT34241A (en) | 1985-02-28 |
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