1. Arif M, Liu G, Yousaf B et al (2021) Synthesis, characteristics and mechanistic insight into the clays and clay minerals–biochar surface interactions for contaminants removal—a review. J Clean Prod 310:127548. https://doi.org/10.1016/j.jclepro.2021.127548
2. Bradl HB (2005) Heavy metals in the environment: origin, interaction and remediation. Elsevier, Amsterdam. eBook ISBN: 9780080455006. https://www.elsevier.com/books/heavy-metals-in-the-environment-origin-interaction-and-remediation/bradl/978-0-12-088381-3
3. Budniak T, Yanovska E, Tyortikh V, Voznyuk V (2011) Adsorption properties of the Sokyrnytsky clinoptilolite–polyaniline composite with respect to anions of elements V and VI of groups of the periodic system D.I. Mendeleev. Dopovidi of the NAS of Ukraine 3:141–145. http://dspace.nbuv.gov.ua/handle/123456789/37239
4. Budnyak T, Yanovska E, Tortikh V, Kichkiruk O (2010) Adsorption properties of natural minerals with in situ immobilized polyaniline relative to the anionic forms of Mo(VI), W(VI), Cr(VI), As(V), V(V) and P(V). Voprosy khimii i khim tekhnol 5: 43–47. http://eprints.zu.edu.ua/id/eprint/17798
5. Chakraborty R, Asthana A, Singh A et al (2022) Adsorption of heavy metal ions by various low-cost adsorbents: a review. Int J Environ Anal Chem 102:1–38. https://doi.org/10.1080/03067319.2020.1722811