Abstract:La2O3 and CeO2, as main rare earth oxides, with unique physical and chemical properties have been widely used in catalyst and grinding industry. In this study, the effects of La2O3 and CeO2 on the anaerobic process were investigated. The biological methane production tests showed that 0–0.05 g/L La2O3 and 0–0.05 g/L CeO2 enhanced anaerobic methanogenesis process. The result showed maximum specific methanogenic rates of La2O3 and CeO2 were 56.26 mL/(h·gVSS) and 49.43 mL/(h·gVSS) and, compared with the control, … Show more
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