Research on sulfate bacteriostatic effect of some metal nanos

Sulfate-reducing bacteria (Desulfomicrobium baculatum) is a group of anaerobic capable producing H2S gas, which sours crude oil, corrodes metal equipment, pipeline systems, and even forms biofilms that cause blockages reservoir, reducing the reception capacity pumped water in oil gas exploitation. Currently, biocides are mainly aldehydes or cyclic amines combined with cationic active substances, very toxic to humans environment. The development materials technology has created new nano-sized replacing traditional environmentally friendly. This study shown silver copper nanoparticles an average size 50 nm concentration from 500 ppm can inhibit kill both sulfate-reducing strains swimming adhering at normal high temperature conditions.