Thesis
Sustainable Production of Nano-Size Zero Valent Iron (nZVI) With Electrochemical Process For Cr(VI) Removal
This study builds upon prior research that established optimal conditions for producing nanozero
valent iron (nZVI). This study aimed to validate the efficacy of nZVI generated through
electrochemistry in treating hexavalent chromium Cr(VI). Hexavalent chromium is an environmental
pollutant found in water bodies and soil, and the development of an effective removal method is
essential. The experimental setup involved a DC power supply connected to a specialized electrode,
facilitating electricity delivery for the electrochemical reaction. The concentration of hexavalent
chromium was determined using the colorimetric method specified in standardized method 3500-Cr
B. The study specifically examined the influence of pH, voltage, and the reaction chamber on
effectiveness Cr(VI) removal. The study found that both pH and the condition of the reactor had an
impact on the removal of Cr(VI). These results highlight the significance of controlling pH levels and
optimizing the reactor's condition to achieve effective hexavalent chromium remediation using
electrochemically produced nZVI. The outcomes of this research contribute to the understanding of
the key factors influencing the performance of electrochemically generated nZVI and provide valuable
insights for the development of efficient and sustainable methods for hexavalent chromium
treatment.
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