An environmentally friendly leather-making process based on silica chemistry

Journal of the American Leather Chemists Association

Volumn 105, Issue 3, 2010, Pages 84-93

  Liu, Yuansen ^a   Chen, Y I ^a   Yao, Jian ^a   Fan, Haojun ^a   Shi, B I ^a   Peng, Biyu ^a  

^a SICHUAN UNIVERSITY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

CHEMICAL MATERIALS; CHINESE STANDARD; CHROME SHAVINGS; CHROME-FREE; CHROME-TANNED LEATHER; ENVIRONMENT CHARACTERISTIC; ENVIRONMENTALLY-FRIENDLY; EQUIVALENT EFFECT; HIGH QUALITY; HYDROTHERMAL STABILITIES; LIMEFREE; MAKING PROCESS; NANO- SIO; PHYSICAL STRENGTH; RECOVERY PROCESS; SECONDARY POLLUTION; SHRINKAGE TEMPERATURE; SILICA CHEMISTRY; SODIUM SILICATE; TANNING PROCESS; TOTAL NITROGEN CONTENT; TOTAL SOLIDS; WATER CONSUMPTION; ZERO DISCHARGE;

BIOCHEMICAL OXYGEN DEMAND; CHROMIUM; LEATHER; LIME; MECHANICAL PROPERTIES; METAL RECOVERY; OXYGEN; SECONDARY RECOVERY; SILICA; SILICATES; SODIUM; TANNING; WASTEWATER; WASTEWATER TREATMENT; WATER SUPPLY;

SODIUM SILICATE PROCESS;

EID: 77950482982     PISSN: 00029726     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (31)

1. Ludvik, J., Study on the scope for decrease of pollution load in leather processing. United Nations Industrial Development Organisation Report, March 1997.
2. Rao, J. R., Nair, B. U. and Ramasami, T, Isolation and characterization of low affinity chromium(III) complex in chrome tanning solution. JSLTC, 81, 234, 1997. (Pubitemid 127628870)
3. Buljan, J., Pollution limits for discharge of tannery effluents in water bodies and sewers. World Leather, November, 65, 1996.
4. Rao JR., Thanikaivelan P.Sreeram KJ., et al., Green route for the utilization of chrome shavings(chromiumcontaining solid waste)in tanning industry. J.Environ Sci Technol 36, 1372, 2002,.
5. Karl Heinz Munz, Soluble silicates in leather production. JALCA, 98, 159, 2003.
6. Karl Heinz Munz, Silicates for raw hide curing. JALCA 102, 16, 2006.
7. Karl Heinz Munz, Application of soluble silicates in leathern production. JALCA 100, 66, 2005.
8. Yuansen Liu, Yi Chen, Haojun Fan et al., Enviromentfriendly lime-free liming. JSLTC 93, 56, 2009.
9. 2. JSLTC 88, 139, 2004.
10. Fan H. J., Shi B. and Li L., Polymer-based nanocomposition for leather-tannage and its preparation. CN 02134175.3.
11. Fan H. J., Li L. and Shi B. et al., Characteristics of leather tanned with nano-SiOr JALCA 100, 22, 2005.
12. Jiang Weiqi, Chemical and physical analysis in leather processing. Light Industry Press (Chinese), Beijing, 1999.
13. A.D. Covington, R.A. Hancock, I.A. lonnidis. et al., Mechanistic studies of mineral tanning, 1. Solid state Al-27 NMR-studies and the thermodynamics of shrinking. JSLTC 73, 1, 1989.
14. Choudhury S. D., DasGupta S., Norris G. E., Unravelling the mechanism of the interactions of oxazolidine A and E with collagens in ovine skin. International Journal of Biological Macromolecules. 40, 351, 2007. (Pubitemid 46240294)
15. H. R. Tang, A.D. Convington and R. A. Hancock, Use of DSC to detect the heterogeneity of hydrothermal stability in the polyphenol-treated collagen matrix. J. Agric. Food Chem. 51, 6652, 2003.
16. IUP 2, JSLTC 84, 303, 2000.
17. A. G. Ward, A. Courts A., The Science and technology of gelatin. Academic Press, London, 1977
18. th ed., American Public Health Association, Washington, DC, 1989.
19. IUC 8, JSLTC 82, 200, 1998.
20. IUC 5, JSLTC, 86, 277, 2002.
21. Chandrasekaran, B., Rao, J.R., Prasad, B.G.S. and Nair, B.U., Management of chromium wastes in tanneries. J. Indian Assoc. Environ. Manag. 16, 168, 1989.
22. Taylor, M.M., Diefendorf, E.J., Marmen, W.N., Brown, E.M., Effect of various alkalinity-inducing agents on chemical and physical properties of protein isolated from chromium-containing leather waste. JALCA 89, 221-228, 1994.
23. Guardini G., Extraction of proteins and chromium sulfate from chromium-tanned skin wastes. U.S. Patent 4, 483, 829. 1983.
24. Holloway DF., Recovery and Separation of Nutritious Protein Hydrolysate and Chromium from Chrome Leather Scrap. US, Patent 4, 100, 154. 1978.
25. Galatik A, Duda J, Minarik L., Pressure hydrolysis of leather waste with sodium hydroxide. Czech. Patent CS 252,382, 1988.
26. Wojciech L, Mieczyslzw G, Urszula M, et al.., Leather treatment to remove chromium. PCT Int. Appl. WO. 9803685, 1998.
27. Taylor, M.M., Diefendorf, E.J., Na, G.C., Enzymic treatment of chrome shavings. JALCA 85, 261-282, 1990.
28. Taylor, M.M., Diefendorf, E.J., Na, G.C., Marnier, W.N., Enzymatic processing of materials containing chromium and protein. US Patent 5,094,946, 1992b.
29. Johnston-Banks FA., Gelatin. In: Harris P, editor. Food Gels. London: Eisevier Applied Science Publ. 233-289, 1990.
30. 5/CODcr. Environmental Science and Technology (Chinese) 82, 39-41, 1998.
31. Gao, Z. B. and Shu, C.Y., Treatment of wastewater from Leather-making Industry. Chemistry Industry Press, Beijing, 2001.