Abstract
Treatment of paper effluent samples by coagulation–electroflotation was studied. The study aims to determine the best conditions of treatment which maximize the purification efficiency. For that, the methodology of experimental research with an orthogonal central composite design was adopted. Batch and continuous modes of treatment were studied. The batch mode aims to optimize coagulant concentration, pH and current density at fixed treatment duration. The current density is the most significant factor in the suspended solids elimination followed in decreasing order of importance by coagulant concentration and pH. Good agreement between theoretical analysis and experimental results was obtained. Continuous mode aims to optimize the residence time. Purification efficiency consisting in the elimination of suspended solids exceeded 95%. Physicochemical characterization of the effluent was done before and after the treatment in batch and continuous mode to improve the efficiency of this process. This characterization included pH, conductivity, salinity, BOD 5, COD, suspended solids and chlorides.
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.
