1. Effectiveness of Fe, Mn, UV₂₅₄ and Colour Removal from Pre-ozonated Groundwater Using Anthracite Coal

   • Nor Azliza Akbar
   • Hamidi Abdul Aziz
   • Motasem Y. D. Alazaiza

   Research paper 12 January 2021 Pages: 245 - 259

   

2. Chromium Bioaccumulation by Plants and Grazing Livestock as Affected by the Application of Sewage Irrigation Water: Implications to the Food Chain and Health Risk

   • Ilker Ugulu
   • Zafar Iqbal Khan
   • Humayun Bashir

   Research paper 24 January 2021 Pages: 261 - 274

   

3. Duckweed-lemna minor as green route for removal of chromium (VI) from aqueous solution

   • Hossam F. Nassar
   • Medhat Ibrahim

   Research paper 15 February 2021 Pages: 275 - 284

   

4. The Effects of Washing Techniques on Thermal Combustion Properties of Sewage Sludge Chars

   • Angelos Kolosionis
   • Eleni Kastanaki
   • Apostolos Giannis

   Research paper 16 February 2021 Pages: 285 - 297

   

5. A Basin-Scale Groundwater Flow Model of the Columbia Plateau Regional Aquifer System in the Palouse (USA): Insights for Aquifer Vulnerability Assessment

   • Giacomo Medici
   • Nicholas B. Engdahl
   • Jeffery B. Langman

   Research paper 19 February 2021 Pages: 299 - 312

   

6. Intensified Hydrodynamic Cavitation-Based Process for the Production of Liquid Emulsion Membrane (LEM) for the Extraction of Chromium(VI) Ions

   • Pravin Chhaganlal Bolne
   • Shailesh Adinath Ghodke
   • Bharat Apparao Bhanvase

   Research paper 21 February 2021 Pages: 313 - 320

   

7. Assessing the adverse effects of a mixture of AMD and sewage effluent on a sub-tropical dam situated in a nature conservation area using a modified pollution index

   • Petrus F. Oberholster
   • Jaqueline Goldin
   • Anna-Maria Botha

   Research paper 19 February 2021 Pages: 321 - 333

   

8. Characterization and Mechanisms of Biosolubilization of Rock Phosphate by Microbes Isolated from Mahanadi Estuary, Odisha, India

   • Rojali Maharana
   • Seemarekha Das
   • B. S. Manisha Singh

   Research paper 17 February 2021 Pages: 335 - 348

   

9. System Dynamics Modeling of Water–Energy Nexus for Resource-Saving Policy Assessment

   • Hamid Gozini
   • Banafsheh Zahraie
   • Zeinab Ravar

   Research paper 02 March 2021 Pages: 349 - 367

   

10. Biosorption of Heavy Metals from Water onto Phenolic Foams Based on Tannins and Lignin Alkaline Liquor

    • Hamed Issaoui
    • Fadoua Sallem
    • Fatima Charrier–El Bouhtoury

    Research paper 28 February 2021 Pages: 369 - 381

    

11. Assessment of Surface and Groundwater Resources Quality Close to Municipal Solid Waste Landfill Using Multiple Indicators and Multivariate Statistical Methods

    • Gita Farzaneh
    • Nematollah Khorasani
    • Mostafa Panahi

    Research paper 08 January 2021 Pages: 383 - 394

    

12. The interactions between habitat, sex, biomass and leaf traits of different willow (Salix) genotypes

    • Monika Konatowska
    • Paweł Rutkowski
    • Mirosław Mleczek

    Research paper Open access 20 February 2021 Pages: 395 - 412

    

13. Aspirin Adsorption onto Activated Carbon Derived from Spent Tea Leaves: Statistical Optimization and Regeneration Study

    • Syie Luing Wong
    • Mohamed Hizam Mohamed Noor
    • Nor Aishah Saidina Amin

    Research paper 20 February 2021 Pages: 413 - 426

    

14. Sorption of Cadmium, Lead, Arsenate, and Phosphate on Red Mud Combined with Phosphogypsum

    • Enio Tarso de Souza Costa
    • Luiz Roberto Guimarães Guilherme
    • Nilton Curi

    Research paper 22 February 2021 Pages: 427 - 444

    

15. Correction to: Assessing Environmental Impacts of Sea Bass Cage Farms in Greece and Albania Using Life Cycle Assessment

    • Evangelos Konstantinidis
    • Costas Perdikaris
    • Ioannis Skoufos

    Correction 08 February 2021 Pages: 445 - 445

16. Radioactive Cs Removal from Aqueous Solutions by Biochar-Immobilized Potassium Nickel Hexacyanoferrate Prepared Using Ball Mill

    • Takashi Asada
    • Naoyuki Sato
    • Tsugiko Takase

    Technical note 22 February 2021 Pages: 447 - 455