Abstract
The purpose of this study was to examine the photo catalytic degradation of real effluents from wheat straw pulp and paper mill by nano-Fe2O3 catalyst. Four different ferric oxide samples were synthesized by homogeneous precipitation of reflux at different drying and calcination conditions. The most active catalyst was characterized and used as catalyst in photo catalytic degradation process. The effect of key parameters including catalyst dose, solution pH, oxidant concentration were investigated. The results showed UV light alone played a little role in the degradation of wastewater in a short time and the presence of Fe2O3 could greatly promote the degradation of wastewater. The degradation of wastewater was favorable at pH 3. Optimum values of catalyst dose and oxidant concentration was found to be 1 g L-1 and 5 ie (v/v), respectively. Under the optimum condition, the removal rate of COD reached 93.1% under ultraviolet irradiation for 3 h. Satisfactory results suggested the effectiveness of the heterogeneous photo catalytic system ofFe2O3/UV/H2O2 in eliminating COD of paper mill effluent. The COD of effluent was in the range of the acceptable values of the latest China Government standards.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
