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Biofilms formed from a pure strain of Desulfovibrio desulfuricans 27774 on stainless steel and graphite polarised surfaces were studied. The polarisation conditions applied were −0.4V vs. SCE for different times. A cathodic current related with the biofilms growth was observed with a maximum intensity of −270mAm −2 that remained stable for several days using graphite electrodes. These sulphate...
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