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Bioprocessing of Used X-ray Films for Silver Recovery by Thermoalkaliphilic Protease from Thermus aquaticus YT-1By Anupam Bhagat, Prof. Smita Lele
Abstract: An environmentally benign enzymatic method for recovery of silver and polyethylene from used X-ray films was developed. This industrially scalable enzymatic process for the recovery of silver was investigated using the thermophilic alkaline protease from Thermus aquaticus YT-1. The rate of gelatin hydrolysis of X-ray film increased with the temperature till 70 ºC, suggesting enzyme stability till 70 ºC. Further, pH 10 was optimum for this process. Transparent polyethylene film …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 2, Issue 2, 2012 Read article →