Utilization of Chrome Shavings in the Production of Industrial Gelatin | ||
| Egyptian Journal of Chemistry | ||
| Volume 66, Issue 13, December 2023, Pages 1815-1823 PDF (2.65 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejchem.2023.92154.4394 | ||
| Authors | ||
| Ghada M taha* 1; nabil hussein elsayed2; Ola A. Mohamed3 | ||
| 1National Research Centre | ||
| 2NRC, cairo, Egypt | ||
| 3Leather technology Dept, NRC | ||
| Abstract | ||
| the leather industry is one of the most polluting sectors in the world, producing a large quantity of solid and liquid waste. So the treatment of solid waste is considered an essential object to reduce environmental pollution which can occur with low cost. So The objective of this study is to find a method to obtain industrial gelatin from chrome shavings with more cost-effective methods in terms of time, chemicals, and wastes generation which reduce environmental pollution. Different factors (pH, swelling time, temperature, and extraction time) were investigated to see how they affected the extraction of gelatin. the extracted gelatin was characterized by bloom, viscosity, FT-IR, Amino acid analysis, and TGA. The optimum conditions of extraction of gelatin from chrome shavings by potassium carbonate are: 5 hour extractions, pH 9.5, 80°C and one swelling day. the result show the extracted gelatin have 23% yield, 219 bloom, 11.4 % nitrogen content wich have good thermal stability. | ||
| Keywords | ||
| leather waste; recycle; gelatin; alkaline hydrolysis | ||
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