Isolation of protein products from chromium-containing leather waste using two consecutive enzymes and purification of final chromium product: Pilot plant studies

Journal of the Society of Leather Technologists and Chemists

Volumn 83, Issue 1, 1999, Pages 14-19

  Cabeza, L F ^a   Taylor, M M ^a   Brown, E M ^a   Marmer, W N ^a  

^a EASTERN REGIONAL RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0010518506     PISSN: 01440322     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (10)

1. Taylor, M. M., Diefendorf, E. J., Na, G. C. et al. Enzymatic Processing of Materials Containing Chromium and Protein. U.S. Patent 5,094,946, 1992.
2. Taylor, M. M., Diefendorf, E. J., Brown, E. M. et al. Enzymatic Processing of Materials Containing Chromium and Protein. U.S. Patent 5,271,912, 1993.
3. Taylor, M. M., Cabeza, L. F., Carrió, R. et al. Processing of Leather Waste: Pilot Scale Studies on Chrome Shavings. Part I. Isolation and Characterization of Protein Products and Separation of Chrome Cake. J. Amer. Leather Chem. Ass., 1998, 93, 61.
4. Cabeza, L. F., Taylor, M. M., Carrió, R. et al. Processing of Leather Waste: Pilot Scale Studies on Chrome Shavings. Part II. Purification of Chrome Cake and Tanning Trials. J. Amer. Leather Chem. Ass., 1998, 93, 83.
5. Cabeza, L. F., Taylor, M. M., Brown, E. M. et al. Chemical and Physical Properties of Isolated Protein Products from Chromium-Containing Leather Waste with Two Consecutive Enzymes. J. Soc. Leather Technol. Chem., 1998, 82(5), 173.
6. Taylor, M. M., Diefendorf, E. J., Phillips, J. G. et al. Wet Process Technology I. Determination of Precision for various Analytical Procedures. J. Amer. Leather Chem. Ass. 1986, 81, 4.
7. Taylor, M. M., Diefendorf, E. J., Marmer, W. N. et al. Effect of Various Alkalinity-Inducing Agents on Chemical and Physical Properties of Protein Products Isolated from Chromium-Containing Leather Waste. J. Amer. Leather Chem. Ass., 1994, 89, 215.
8. Taylor, M. M., Diefendorf, E. J., Thompson, C. J. et al. Extraction of Value-added By-products from the Treatment of Chromium-containing Collagenous Waste Generated in the Leather Industry. Bol. Téc. AQEIC, 1996, 47, 124.
9. Cabeza, L. F., Taylor, M. M., Brown, E. M. et al. Influence of Pepsin and Trypsin on Chemical and Physical Properties of Isolated Gelatin from Chrome Shavings. J. Amer. Leather Chem. Ass., 1997, 92(8), 200.
10. Taylor, M. M., Cabeza, L. F., Marmer, W. N. et al. Functional Properties of Hydrolysis Products from Collagen. J. Amer. Leather Chem. Ass., 1998, 93, 40.