- Nitrate concentration-related safety of drinking water from various sources intended for consumption by neonates and infants - Elżbieta Królak/Jolanta Raczuk
- Polycyclic aromatic hydrocarbons in water and bottom sediments of a shallow, lowland dammed reservoir (on the example of the reservoir Blachownia, South Poland) - Alina Pohl/ Maciej Kostecki/Izabela Jureczko/Marianna Czaplicka/Bartosz Łozowski
- The application of ultrasounds in oily wastewater pre-treatment - Ewa Łobos-Moysa
- Removal of copper, nickel and tin from model and real industrial wastewater using sodium trithiocarbonate. The negative impact of complexing compounds - Maciej Thomas/ Barbara Białecka/ Dariusz Zdebik
- Extraction, growth and immobilization of Yarrowia lipolytica yeast cells for dye effluent treatment - Mathew Mupa/Robert Kubara/Jephris Gere
- Biodegradation of diclofenac with fungal strains - Doruk Aracagök/Hakan Göker/Nilüfer Cihangir
- Properties of fly ash from thermal treatment of municipal sewage sludge in terms of EN 450-1 - Łukasz Szarek/Małgorzata Wojtkowska
- Characterization of fulvic acids contained in municipal sewage purified with activated sludge - Anna Maria Anielak/ Małgorzata Kryłów/Dominika Łomińska-Płatek
- Measuring the effect of co-composting Crude Oil sludge with pig, cow, horse and poultry manures on the degradation of selected Polycyclic Aromatic Hydrocarbons - Onyedikachi Ubani/Harrison Ifeanyichukwu Atagana
- Removal of lead ions from acid aqueous solutions and acid mine drainage using zeolite bearing tuff - Afrodita Zendelska/Mirjana Golomeova/Blagoj Golomeov/Boris Krstev
- Assessment of the average rate of changes in atmospheric CO emissions in OECD countries - Krzysztof Adamowicz