DE925605C - Entkaelkungsmittel - Google Patents
EntkaelkungsmittelInfo
- Publication number
- DE925605C DE925605C DEC793A DEC0000793A DE925605C DE 925605 C DE925605 C DE 925605C DE C793 A DEC793 A DE C793A DE C0000793 A DEC0000793 A DE C0000793A DE 925605 C DE925605 C DE 925605C
- Authority
- DE
- Germany
- Prior art keywords
- citric acid
- decalcifying
- further content
- liquor according
- acid
- 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.)
- Expired
Links
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 54
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 238000000855 fermentation Methods 0.000 claims description 6
- 230000004151 fermentation Effects 0.000 claims description 6
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric Acid Chemical compound [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 239000010985 leather Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- FNAQSUUGMSOBHW-UHFFFAOYSA-H calcium citrate Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O FNAQSUUGMSOBHW-UHFFFAOYSA-H 0.000 claims description 4
- 239000001354 calcium citrate Substances 0.000 claims description 4
- 235000013337 tricalcium citrate Nutrition 0.000 claims description 4
- 235000014633 carbohydrates Nutrition 0.000 claims description 3
- 150000001720 carbohydrates Chemical class 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims description 3
- 239000011975 tartaric acid Substances 0.000 claims description 3
- 235000002906 tartaric acid Nutrition 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 3
- 235000011130 ammonium sulphate Nutrition 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 235000005985 organic acids Nutrition 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 235000011054 acetic acid Nutrition 0.000 description 2
- 239000001166 ammonium sulphate Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 239000004251 Ammonium lactate Substances 0.000 description 1
- 241000283707 Capra Species 0.000 description 1
- 235000005979 Citrus limon Nutrition 0.000 description 1
- 244000248349 Citrus limon Species 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 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
- 229910019142 PO4 Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229940059265 ammonium lactate Drugs 0.000 description 1
- 235000019286 ammonium lactate Nutrition 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- RZOBLYBZQXQGFY-HSHFZTNMSA-N azanium;(2r)-2-hydroxypropanoate Chemical compound [NH4+].C[C@@H](O)C([O-])=O RZOBLYBZQXQGFY-HSHFZTNMSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 244000309466 calf Species 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- YWYZEGXAUVWDED-UHFFFAOYSA-N triammonium citrate Chemical compound [NH4+].[NH4+].[NH4+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O YWYZEGXAUVWDED-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C14C1/00—Chemical treatment prior to tanning
- C14C1/08—Deliming; Bating; Pickling; Degreasing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/8215—Microorganisms
- Y10S435/911—Microorganisms using fungi
- Y10S435/913—Aspergillus
- Y10S435/917—Aspergillus niger
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEC793A DE925605C (de) | 1950-04-07 | 1950-04-07 | Entkaelkungsmittel |
| BE505164D BE505164A (da) | 1950-04-07 | 1951-08-08 | |
| US247370A US2639967A (en) | 1950-04-07 | 1951-09-19 | Deliming hides with citric acid fermentation liquor |
| DK356452AA DK80394C (da) | 1950-04-07 | 1952-11-13 | Fremgangsmåde til fjernelse af kalk og andre alkaliske forbindelser fra huder og skind. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEC793A DE925605C (de) | 1950-04-07 | 1950-04-07 | Entkaelkungsmittel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE925605C true DE925605C (de) | 1955-03-24 |
Family
ID=7012418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEC793A Expired DE925605C (de) | 1950-04-07 | 1950-04-07 | Entkaelkungsmittel |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2639967A (da) |
| BE (1) | BE505164A (da) |
| DE (1) | DE925605C (da) |
| DK (1) | DK80394C (da) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2714813C3 (de) * | 1977-04-02 | 1979-11-29 | Basf Ag, 6700 Ludwigshafen | Kalk- und sulfidfreies Äscherverfahren |
| DE2822072A1 (de) * | 1978-05-20 | 1979-11-29 | Henkel Kgaa | Verwendung wasserunloeslicher aluminiumsilikate bei der lederherstellung |
| DE2825081C2 (de) * | 1978-06-08 | 1980-06-12 | Basf Ag, 6700 Ludwigshafen | Verfahren zum Entkälken von Häuten |
| CN111842310B (zh) * | 2020-07-22 | 2021-11-30 | 浙江农林大学 | 一种生物质梯级脱灰预处理的方法 |
| NL2027083B1 (en) * | 2020-12-09 | 2022-07-07 | Stahl Int B V | Process for deliming of hides, skins or pelts |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE268236C (da) * | ||||
| FR360854A (fr) * | 1905-12-22 | 1906-05-05 | Ottokar Henry Nowak | Substance pour le tannage des peaux et le mordancage des tissus |
| GB409599A (en) * | 1933-11-03 | 1934-05-03 | Filippo Perciabosco | A process for the purging of skins and hides in tanning |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US515033A (en) * | 1894-02-20 | Carl wehmer | ||
| US223200A (en) * | 1879-12-30 | Improvement in processes of tanning | ||
| US996509A (en) * | 1905-06-14 | 1911-06-27 | Dermiforma Company Of America | Tanning process. |
| US873074A (en) * | 1905-09-16 | 1907-12-10 | Nowak Mfg Company | Substance for treating hides and process of making same. |
| DE461356C (de) * | 1923-12-19 | 1928-06-13 | Montan Und Industrialwerke Vor | Verfahren zur Herstellung von Gaerungszitronensaeure |
| FR609316A (fr) * | 1925-04-18 | 1926-08-12 | Procédé d'ébourrage et de préparation des peaux au tannage | |
| US1570383A (en) * | 1925-07-22 | 1926-01-19 | Mccandlish Douglas | Treatment of hides and skins for manufacture into leather |
| BE331453A (da) * | 1925-10-26 | |||
| US2132579A (en) * | 1935-04-02 | 1938-10-11 | Rohm Otto | Method for producing unhaired hides with the aid of mold tryptases |
-
1950
- 1950-04-07 DE DEC793A patent/DE925605C/de not_active Expired
-
1951
- 1951-08-08 BE BE505164D patent/BE505164A/fr unknown
- 1951-09-19 US US247370A patent/US2639967A/en not_active Expired - Lifetime
-
1952
- 1952-11-13 DK DK356452AA patent/DK80394C/da active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE268236C (da) * | ||||
| FR360854A (fr) * | 1905-12-22 | 1906-05-05 | Ottokar Henry Nowak | Substance pour le tannage des peaux et le mordancage des tissus |
| GB409599A (en) * | 1933-11-03 | 1934-05-03 | Filippo Perciabosco | A process for the purging of skins and hides in tanning |
Also Published As
| Publication number | Publication date |
|---|---|
| US2639967A (en) | 1953-05-26 |
| BE505164A (da) | 1952-12-19 |
| DK80394C (da) | 1956-01-09 |
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