1. Removal of organic matter from the underground water—a pilot scale technological research

   • Alina Pruss
   • Małgorzata Komorowska-Kaufman
   • Paweł Pruss

   Original Article Open access 06 September 2021 Article: 158

   

2. Effective removal of Pb²⁺ from oral medical wastewater via an activated three-dimensional framework carbon (3D AFC)

   • Fuxiang Song
   • Na Wang
   • Liu Bin

   Original Article Open access 04 September 2021 Article: 157

   

3. Application of regression methods for classification of sewers’ damages

   • Małgorzata Kutyłowska
   • Dariusz Kowalski

   Original Article Open access 03 September 2021 Article: 156

   

4. Analysis of the influence of rapid filter cycle interruption on filtrate quality

   • M. Zielina

   Original Article Open access 03 September 2021 Article: 155

   

5. Micro-mesoporous modified activated carbon from corn husks for removal of hexavalent chromium ions

   • Nabila S. Ammar
   • Nady A. Fathy
   • Sahar M. Mousa

   Original Article Open access 03 September 2021 Article: 154

   

6. Hydrogeochemistry and surface water quality assessment of IB valley coalfield area, India

   • Bishnu Prasad Sahoo
   • Himanshu Bhushan Sahu
   • Dhruti Sundar Pradhan

   Original Article Open access 25 August 2021 Article: 153

   

7. A new mathematical program with complementarity constraints for optimal localization of pressure reducing valves in water distribution systems

   • Pham Duc Dai

   Original Article Open access 20 August 2021 Article: 152

   

8. Morphometric analysis and watershed prioritization in relation to soil erosion in Dudhnai Watershed

   • W. R. Singh
   • S. Barman
   • G. Tirkey

   Original Article Open access 19 August 2021 Article: 151

   

9. Adsorption of chromium ions from tannery effluents onto activated carbon prepared from rice husk and potato peel by H₃PO₄ activation

   • Ephraim Vunain
   • Joel Brian Njewa
   • Adewale Kabir Ipadeola

   Original Article Open access 16 August 2021 Article: 150

   

10. Adsorption of chromium (Cr⁶⁺) on dead biomass of Salvinia molesta (Kariba weed) and Typha latifolia (broadleaf cattail): isotherm, kinetic, and thermodynamic study

    • Asha Singh
    • Sunil Kumar
    • Vishal Panghal

    Original Article Open access 14 August 2021 Article: 149

    

11. Evaluation of groundwater quality for drinking and irrigation purposes using GIS-based water quality index in urban area of Abaya-Chemo sub-basin of Great Rift Valley, Ethiopia

    • Tamru Tesseme Aragaw
    • Gopalakrishnan Gnanachandrasamy

    Original Article Open access 13 August 2021 Article: 148

    

12. Inhomogeneity detection in the rainfall series for the Mae Klong River Basin, Thailand

    • Alamgir Khalil

    Original Article Open access 10 August 2021 Article: 147

    

13. Comparative environmental sustainability study of an improved sewage sludge treatment and sludge reuse system based on emergy analysis in China

    • Junxue Zhang
    • Lin Ma

    Original Article Open access 06 August 2021 Article: 146

    

14. Water treatment technology performance for chemical enhanced oil recovery: modeling, simulation and optimization

    • Mahdi Chemil
    • Zahia Zizi
    • Moundher Hadji

    Original Article Open access 06 August 2021 Article: 145