Treatment of Fecal Sludge (FS) Using Combine Bio-Digestor and Stabilization Pond in a Tropical Urban Area

  Ebenezer Soh Kengne*         Stephane Lauris Tchianzeu Tekamdjo         Wilfried Arsene Letah Nzouebet         Christian Wanda         Pierre Nbendah         Nguetsop Victor Francois         Tonfack Libert Brice      

Hierarchical and Fuzzy Analysis for Wastewater Treatment Criteria Selection

  Gerardo Aldana-Villasmil*      

Comparative Analysis of Polyacrylamide (PAM) and Sodium Polyacrylate (PAAS) Applications in Water Treatment and Oil Industry Processes

  Venkata Manikya Kumar Ajjarapu*