PROCESS FOR RECOVERING SILVER AND PHOTOSENSITIVE MATERIAL BASE FROM PHOTOSENSITIVE MATERIAL BY UTILIZING MICROORGANISM

摘要

Method of recovering both silver and a base in a reusable condition from sensitive material, such as a film or a photographic printing paper, having surfaces including gelatine and fine silver crystal, by utilizing micro-organisms of a mixture of bacteria, including activated mutants of gelatin metabolic microbes.