1. Rozkošný M. Kriška M. Šálek J.et al. (2014).Natural technologies of wastewater treatment. ISBN: 978–80‐214–4831‐5.
2. A comprehensive review on toxic petrochemical wastewater pretreatment and advanced treatment
3. Vincent‐Vela M.C. Álvarez‐Blanco S. Lora‐García J.et al. (2015).Application of several pretreatment technologies to a wastewater effluent of a petrochemical industry finally treated with reverse osmosis. doi:10.1080/19443994.2014.939866.
4. Pretreatment technologies for industrial effluents: Critical review on bioenergy production and environmental concerns
5. Nascimento T.A. Fdz‐Polanco F. andPeña M.(2018).Membrane‐based technologies for the up‐concentration of municipal wastewater: a review of pretreatment intensification. doi:10.1080/15422119.2018.1481089.