IE47324B1 - Chrome-tanning - Google Patents
Chrome-tanningInfo
- Publication number
- IE47324B1 IE47324B1 IE1765/78A IE176578A IE47324B1 IE 47324 B1 IE47324 B1 IE 47324B1 IE 1765/78 A IE1765/78 A IE 1765/78A IE 176578 A IE176578 A IE 176578A IE 47324 B1 IE47324 B1 IE 47324B1
- Authority
- IE
- Ireland
- Prior art keywords
- chromium
- tanning
- parts
- iii
- pelts
- Prior art date
Links
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims abstract description 55
- 235000019253 formic acid Nutrition 0.000 claims abstract description 30
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical class [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 claims abstract description 18
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 claims abstract description 14
- GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 claims abstract description 14
- 235000015217 chromium(III) sulphate Nutrition 0.000 claims abstract description 14
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910000423 chromium oxide Inorganic materials 0.000 claims abstract description 12
- 239000011696 chromium(III) sulphate Substances 0.000 claims abstract description 12
- 239000002253 acid Substances 0.000 claims abstract description 10
- 239000011230 binding agent Substances 0.000 claims abstract description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 35
- 239000011651 chromium Substances 0.000 claims description 34
- 229910052804 chromium Inorganic materials 0.000 claims description 33
- 150000003839 salts Chemical class 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 17
- 229910000514 dolomite Inorganic materials 0.000 claims description 16
- 239000010459 dolomite Substances 0.000 claims description 16
- 239000007795 chemical reaction product Substances 0.000 claims description 15
- 239000000047 product Substances 0.000 claims 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract description 8
- 235000002639 sodium chloride Nutrition 0.000 description 30
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 13
- 238000005554 pickling Methods 0.000 description 13
- 239000001117 sulphuric acid Substances 0.000 description 13
- 235000011149 sulphuric acid Nutrition 0.000 description 13
- 239000011780 sodium chloride Substances 0.000 description 12
- 239000011833 salt mixture Substances 0.000 description 11
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 229910021653 sulphate ion Inorganic materials 0.000 description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 8
- 229940044170 formate Drugs 0.000 description 8
- 150000004675 formic acid derivatives Chemical class 0.000 description 8
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 8
- CBOCVOKPQGJKKJ-UHFFFAOYSA-L Calcium formate Chemical compound [Ca+2].[O-]C=O.[O-]C=O CBOCVOKPQGJKKJ-UHFFFAOYSA-L 0.000 description 5
- 235000019255 calcium formate Nutrition 0.000 description 5
- 239000004281 calcium formate Substances 0.000 description 5
- 229940044172 calcium formate Drugs 0.000 description 5
- 239000010985 leather Substances 0.000 description 5
- 238000001694 spray drying Methods 0.000 description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 239000001175 calcium sulphate Substances 0.000 description 4
- 235000011132 calcium sulphate Nutrition 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 239000004280 Sodium formate Substances 0.000 description 3
- -1 alkali metal bicarbonates Chemical class 0.000 description 3
- 239000008103 glucose Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 3
- 235000019254 sodium formate Nutrition 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 150000001844 chromium Chemical class 0.000 description 2
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical class [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 235000013379 molasses Nutrition 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- JHWIEAWILPSRMU-UHFFFAOYSA-N 2-methyl-3-pyrimidin-4-ylpropanoic acid Chemical compound OC(=O)C(C)CC1=CC=NC=N1 JHWIEAWILPSRMU-UHFFFAOYSA-N 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 239000001166 ammonium sulphate Substances 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- VYZAMTAEIAYCRO-OIOBTWANSA-N chromium-49 Chemical compound [49Cr] VYZAMTAEIAYCRO-OIOBTWANSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 239000004289 sodium hydrogen sulphite Substances 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 238000009827 uniform distribution Methods 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
- C14C3/28—Multi-step processes
-
- 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
- C14C3/04—Mineral tanning
- C14C3/06—Mineral tanning using chromium compounds
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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2739844A DE2739844B2 (de) | 1977-09-03 | 1977-09-03 | Verfahren zum Chromgerben |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE781765L IE781765L (en) | 1979-03-03 |
| IE47324B1 true IE47324B1 (en) | 1984-02-22 |
Family
ID=6018100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE1765/78A IE47324B1 (en) | 1977-09-03 | 1978-09-01 | Chrome-tanning |
Country Status (23)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4348201A (en) * | 1979-05-11 | 1982-09-07 | Seitetsu Kagaku Co., Ltd. | Tanning process and tanning compositions |
| JPS57100200A (en) * | 1980-12-15 | 1982-06-22 | Nippon Chemical Ind | Manufacture of chromium tanning agent |
| WO2012153203A1 (en) * | 2011-05-10 | 2012-11-15 | Council Of Scientific & Industrial Research | Chrome tanning process for leather making reusing exhaust chrome liquor |
| CN114540558A (zh) * | 2021-12-14 | 2022-05-27 | 浙江中辉裘革科技有限公司 | 一种捕获-洗脱-固定联用的除去毛皮游离甲醛方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1230170B (de) * | 1960-10-28 | 1966-12-08 | Bayer Ag | Gerbverfahren |
| DE1241032B (de) * | 1961-04-08 | 1967-05-24 | Bayer Ag | Verfahren zur Herstellung von Leder |
| FR1304531A (fr) * | 1961-10-26 | 1962-09-21 | Bayer Ag | Procédé de fabrication de cuir |
| DE1444994A1 (de) * | 1963-01-18 | 1969-01-02 | Bayer Ag | Gerbverfahren |
| DE1225809B (de) * | 1963-01-18 | 1966-09-29 | Bayer Ag | Gerbverfahren |
| US3656881A (en) * | 1969-06-02 | 1972-04-18 | Shell Oil Co | Leather lubricating process and composition |
| DE2424301C3 (de) * | 1974-05-18 | 1981-05-27 | Bayer Ag, 5090 Leverkusen | Verfahren zum Chromgerben und Gerbmischung dafür |
| AR208085A1 (es) * | 1974-05-18 | 1976-11-30 | Bayer Ag | Procedimiento de curtido al cromo |
| DE2424300C3 (de) * | 1974-05-18 | 1984-11-08 | Bayer Ag, 5090 Leverkusen | Verfahren zum Chromgerben und Gerbmischung dafür |
| US4010097A (en) * | 1975-10-09 | 1977-03-01 | Allis-Chalmers Corporation | Pneumatic classifier for refuse material with double vortex airflow |
| JPS5257301A (en) * | 1975-11-04 | 1977-05-11 | Nippon Chemical Ind | Process for tanning leather |
| DE2626430C2 (de) * | 1976-06-12 | 1982-06-03 | Bayer Ag, 5090 Leverkusen | Verfahren zum Gerben von Leder und Gerbmischung |
| DE2626429C3 (de) * | 1976-06-12 | 1981-06-19 | Bayer Ag, 5090 Leverkusen | Verfahren zum Chromgerben von Häuten oder Nachgerben von Leder in Gegenwart von Carbonsäuren als Komplexbildner |
-
1977
- 1977-09-03 DE DE2739844A patent/DE2739844B2/de active Granted
-
1978
- 1978-08-16 NO NO782789A patent/NO149969C/no unknown
- 1978-08-23 US US05/936,279 patent/US4211529A/en not_active Expired - Lifetime
- 1978-08-29 GB GB7834882A patent/GB2003498B/en not_active Expired
- 1978-08-30 CH CH912578A patent/CH637694A5/de not_active IP Right Cessation
- 1978-08-30 AU AU39401/78A patent/AU516388B2/en not_active Expired
- 1978-08-30 MX MX174696A patent/MX148869A/es unknown
- 1978-08-31 NL NLAANVRAGE7808959,A patent/NL184742C/xx not_active IP Right Cessation
- 1978-08-31 SE SE7809178A patent/SE442875B/sv not_active IP Right Cessation
- 1978-08-31 NZ NZ188305A patent/NZ188305A/xx unknown
- 1978-09-01 DK DK388378A patent/DK144766C/da not_active IP Right Cessation
- 1978-09-01 JP JP10633478A patent/JPS5446801A/ja active Granted
- 1978-09-01 FR FR7825333A patent/FR2401998A1/fr active Granted
- 1978-09-01 ES ES473036A patent/ES473036A1/es not_active Expired
- 1978-09-01 FI FI782689A patent/FI64643C/fi not_active IP Right Cessation
- 1978-09-01 AR AR273537A patent/AR216535A1/es active
- 1978-09-01 IT IT50931/78A patent/IT1106294B/it active
- 1978-09-01 BR BR7805719A patent/BR7805719A/pt unknown
- 1978-09-01 IE IE1765/78A patent/IE47324B1/en not_active IP Right Cessation
- 1978-09-01 CA CA310,488A patent/CA1106108A/en not_active Expired
- 1978-09-01 ZA ZA00784990A patent/ZA784990B/xx unknown
- 1978-09-01 YU YU2077/78A patent/YU40532B/xx unknown
- 1978-09-01 AT AT634978A patent/AT360135B/de not_active IP Right Cessation
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Patent lapsed |