Application of natural zeolite for recycling of polymer waste Yermek Aubakirov, Firuza Akhmetova, Zheneta Tashmukhambetova, Larissa Sassykova, Ayazhan Kurmangaliyeva, Aizat Gumarova, Kanat Narikov and Kalamgali Tanakoz MATEC Web Conf., 340 (2021) 01002 Published online: 08 July 2021 DOI: 10.1051/matecconf/202134001002