Abstract

Abstract At present, an innovative manganese–carbon (Mn–C) microelectrolysis material was initially put forward by our research group and has already obtained the Chinese invention patent. Moreover, this technology has been widely applied in industrial facilities for pretreating high-concentration organic wastewater across China. Synthesis and characterization of the enhanced Mn–C microelectrolysis material has been reported in this article. Effects of several experimental factors, including initial conventional method of chemical oxygen demand (CODcr) concentration, pH, and aeration strength, were assessed for gasification wastewater in the synthetic ammonia industry. Results showed that under optimal operating conditions of an initial concentration of CODcr of 1,100 mg/L, an initial pH of 3, reaction time for 2 h, and an aeration rate of 1,200 L/h, a maximal removal efficiency of CODcr of 67.3% was achieved. In addition, constant removal efficiency nearly up to 85% CODcr could be obtained by adding 0.5 ...

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