期刊
WATER AND ENVIRONMENT JOURNAL
卷 37, 期 1, 页码 178-186出版社
WILEY
DOI: 10.1111/wej.12828
关键词
COD removal; electro-oxidation; supporting electrolyte; Ti; Pt anode; TOC removal; TP removal
This study investigated the treatment of pistachio processing wastewater (PPW) using the electro-oxidation method. Experimental parameters such as stirring speed, electrolyte concentration, pH value, current density, temperature, and dilution ratio were optimized to achieve high removal efficiencies. The results showed that using Ti/Pt anode for electro-oxidation treatment resulted in efficient removal of COD, TOC, and TP, with low energy consumption.
In this study, the treatment of pistachio processing wastewater (PPW) by electro-oxidation method was investigated. Ti/Pt-plated electrodes were used for the anode material, and stainless steel electrodes were used for cathode material. Experimental studies were carried out in batch mode. Stirring speed, supporting electrolyte species and concentration, initial pH value, current density, temperature and dilution ratio were selected as experimental parameters effecting removal efficiency. In Ti/Pt electrode experimental studies on the optimum conditions, chemical oxygen demand (COD), total organic carbon (TOC) and total phenols (TP) removal efficiencies were obtained, respectively, as 99.98%, 70.74% and 100%, and energy consumption value was obtained as 297.5 kW-h/m(3) (12.39 kW-h/kg COD, 51.29 kW-h/kg TOC and 64.68 kW-h/kg TP). As a result of the experimental studies, the PPW can be treated by electro-oxidation. Given the results of removal efficiency and energy consumption values, it was concluded the electro-oxidation using Ti/Pt anode very appropriate treatment of PPW.
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