RU2003109412A - METHOD FOR PRODUCING PROTEIN HYDROLYSIS FROM SOLID CHROME-CONTAINING WASTE OF LEATHER PRODUCTION - Google Patents

METHOD FOR PRODUCING PROTEIN HYDROLYSIS FROM SOLID CHROME-CONTAINING WASTE OF LEATHER PRODUCTION

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Publication number
RU2003109412A
RU2003109412A RU2003109412/13A RU2003109412A RU2003109412A RU 2003109412 A RU2003109412 A RU 2003109412A RU 2003109412/13 A RU2003109412/13 A RU 2003109412/13A RU 2003109412 A RU2003109412 A RU 2003109412A RU 2003109412 A RU2003109412 A RU 2003109412A
Authority
RU
Russia
Prior art keywords
stage
carried out
containing waste
protein hydrolysis
leather production
Prior art date
Application number
RU2003109412/13A
Other languages
Russian (ru)
Other versions
RU2249047C2 (en
Inventor
Марина Анатольевна Тутмина
Татьяна Флавиановна Миронова
Яков Яковлевич Макаров-Землянский
Original Assignee
Московский государственный университет дизайна и технологии (МГУДТ)
Filing date
Publication date
Application filed by Московский государственный университет дизайна и технологии (МГУДТ) filed Critical Московский государственный университет дизайна и технологии (МГУДТ)
Priority to RU2003109412/13A priority Critical patent/RU2249047C2/en
Priority claimed from RU2003109412/13A external-priority patent/RU2249047C2/en
Publication of RU2003109412A publication Critical patent/RU2003109412A/en
Application granted granted Critical
Publication of RU2249047C2 publication Critical patent/RU2249047C2/en

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Claims (5)

1. Способ получения белкового гидролизата из твердых хромсодержащих отходов кожевенного производства, включающий раздубливание, ферментативную обработку, отличающийся тем, что обработку отходов проводят в четыре стадии: на первой стадии - ферментом пепсином, на второй стадии - щавелевой кислотой, на третьей стадии - нейтральной или щелочной протеазой, на четвертой стадии - уксусной кислотой.1. A method of producing a protein hydrolyzate from solid chromium-containing leather wastes, including a bloating, enzymatic treatment, characterized in that the waste treatment is carried out in four stages: in the first stage - with pepsin enzyme, in the second stage with oxalic acid, in the third stage - neutral or alkaline protease, in the fourth stage - acetic acid. 2. Способ по п.1, отличающийся тем, что первую стадию обработки проводят в водном растворе пепсина 0,1-5,0 г/л в течение 1-6 ч, при температуре 30-40°С.2. The method according to claim 1, characterized in that the first stage of processing is carried out in an aqueous solution of pepsin 0.1-5.0 g / l for 1-6 hours, at a temperature of 30-40 ° C. 3. Способ по п.1, 2, отличающийся тем, что вторую стадию обработки проводят в водном растворе щавелевой кислоты 1-20 г/л в течение 1-24 ч, при температуре 10-30°С.3. The method according to claim 1, 2, characterized in that the second stage of processing is carried out in an aqueous solution of oxalic acid 1-20 g / l for 1-24 hours, at a temperature of 10-30 ° C. 4. Способ по п.1-3, отличающийся тем, что третью стадию обработки проводят в водном растворе нейтральной или щелочной протеазы 0,1-15,0 г/л в течение 1-6 ч, при температуре 30-40°С.4. The method according to p. 1-3, characterized in that the third stage of processing is carried out in an aqueous solution of a neutral or alkaline protease of 0.1-15.0 g / l for 1-6 hours, at a temperature of 30-40 ° C. 5. Способ по п.1-4, отличающийся тем, что четвертую стадию обработки проводят в водном растворе уксусной кислоты 40-80 г/л в течение 20-100 ч, при температуре 10-30°С.5. The method according to claim 1-4, characterized in that the fourth stage of processing is carried out in an aqueous solution of acetic acid of 40-80 g / l for 20-100 hours, at a temperature of 10-30 ° C.
RU2003109412/13A 2003-04-04 2003-04-04 Method of preparing protein hydrolyzate from solid chromium-containing leather manufacture waste RU2249047C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2003109412/13A RU2249047C2 (en) 2003-04-04 2003-04-04 Method of preparing protein hydrolyzate from solid chromium-containing leather manufacture waste

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2003109412/13A RU2249047C2 (en) 2003-04-04 2003-04-04 Method of preparing protein hydrolyzate from solid chromium-containing leather manufacture waste

Publications (2)

Publication Number Publication Date
RU2003109412A true RU2003109412A (en) 2004-12-27
RU2249047C2 RU2249047C2 (en) 2005-03-27

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Family Applications (1)

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RU2003109412/13A RU2249047C2 (en) 2003-04-04 2003-04-04 Method of preparing protein hydrolyzate from solid chromium-containing leather manufacture waste

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RU (1) RU2249047C2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0502277A (en) * 2005-06-09 2007-02-06 Joana D Arc Felix De Sousa extraction process of gelled collagen and chromium / collagen complex of chromium tanned leather waste
BRPI0502276A (en) * 2005-06-09 2007-02-06 Joana D Arc Felix De Sousa hydrolyzed collagen and chromium / collagen complex extraction process from chrome-tanned leather waste
CN100387727C (en) * 2006-11-22 2008-05-14 四川大学 Eco-chromium tannage adjuvant and its preparation method
RU2490286C1 (en) * 2012-02-07 2013-08-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Волгоградский государственный технический университет" (ВолгГТУ) Method of producing protein hydrolysate
RU2486212C1 (en) * 2012-02-08 2013-06-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Волгоградский государственный технический университет" (ВолгГТУ) Method of producing protein hydrolysate
RU2715639C1 (en) * 2019-07-04 2020-03-02 Общество с ограниченной ответственностью "Малое инновационное предприятие "ЭКОМ" (ООО "МИП "ЭКОМ") Method for producing a bioactive collagen product

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