1. Performance evaluation of horizontal and vertical flow constructed wetlands as tertiary treatment option for secondary effluents

   • Arun Kumar Thalla
   • C. P. Devatha
   • Elsa Sony

   Original Article Open access 24 July 2019 Article: 147

   

2. Machine learning techniques for monitoring the sludge profile in a secondary settler tank

   • Jesús Zambrano
   • Oscar Samuelsson
   • Bengt Carlsson

   Original Article Open access 20 July 2019 Article: 146

   

3. An efficient classified radial basis neural network for prediction of flow variables in sharp open-channel bends

   • Azadeh Gholami
   • Hossein Bonakdari
   • Ali Akbar Akhtari

   Original Article Open access 15 July 2019 Article: 145

   

4. Evaluation of energy dissipation on stepped spillway using evolutionary computing

   • Abbas Parsaie
   • Amir Hamzeh Haghiabi

   Original Article Open access 13 July 2019 Article: 144

   

5. Efficient removal of cadmium(II) with SBA-15 nanoporous silica: studies on equilibrium, isotherm, kinetics and thermodynamics

   • Qing-Zhou Zhai
   • Xiao-Dong Li

   Original Article Open access 10 July 2019 Article: 143

   

6. Adsorption isotherm, kinetic and thermodynamic studies for the removal of Pb(II), Cd(II), Zn(II) and Cu(II) ions from aqueous solutions using Albizia lebbeck pods

   • S. Mustapha
   • D. T. Shuaib
   • M. B. Nasirudeen

   Original Article Open access 10 July 2019 Article: 142

   

7. Sustainable separation of Cu(II) and Cd(II) from aqueous solution by using solvent extraction technique with di-2-ethylhexylphosphoric acid (D2EHPA) as carrier: optimization study

   • Mohamad Anuar Kamaruddin
   • Norli Ismail
   • Rasyidah Alrozi

   Original Article Open access 09 July 2019 Article: 141