SILVER EXTRACTION FROM WASTES
Silver is a very precious and important metal extensively used in photography, X- ray films, jewelry, electrical materials, medicine, etc. In the modern era, silver extraction from waste material has caught the imagination of scientists and engineers. Today, silver is extracted from the waste solution of X-ray clinics, photographers, block makers, and offset printers. Project cost is US$13,925 with a production capacity of 45Kgs per annum and yielding estimated revenues of US$377 per year.