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An Overview of Physibillity of Silver Particle in Photographic Waste


Jariwala Sunny Yogeshkumar , Sarvajanik College of Engineering & Technology, Gujarat, India; Himanshu J. Padhya, Sarvajanik College of Engineering & Technology, Gujarat, India


Silver recovery, waste photographic film, fixer solution, sodium hydroxide (NaOH)


A novel, simple, fast, cheap and pollution-free method was developed for recovering the silver from waste X-ray photographic films. The waste X-ray/ photographic films contain 1.5 - 2 % (w/w) black metallic silver which is recovered and reused. Around 18-20% of the world's silver needs are supplied by recycling photographic waste. The method has a number of advantages because it obviates the need for heating, sedimentation, filtration and melting steps. Moreover, all experiments were carried out in the same flask, unlike other techniques. At the end of the treatment, gelatine layer was completely removed leaving the polyester film clean and silver was recovered in the hydolysate, both of which can be reused. Various parameters such as pH, temperature, time, efficiency etc on silver removal from the film were studied. In photographic industry, silver is recovered from development and fixing solution, spent rinse water and scrap film. To overcome the problem our method has a great potential and has been reported as an advanced technique for recovery of silver.

Other Details

Paper ID: IJSRDV3I1218
Published in: Volume : 3, Issue : 1
Publication Date: 01/04/2015
Page(s): 251-255

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