Catalytic degradation of methylene blue in aqueous solution using cobalt oxide kaolin nanocomposite Authors Belete Asefa Aragaw (ORCID: https://orcid.org/0000-0003-4801-7197) Kedir Seid Mohammed (ORCID: https://orcid.org/0009-0006-4195-1322) Bewketu Mehari Zinabu Gashaw Asmare (ORCID: https://orcid.org/0000-0002-8945-6172) Minaleshewa Atlabachew (ORCID: https://orcid.org/0000-0003-3261-8326) Yi Liu (ORCID: https://orcid.org/0000-0002-1058-0382) Bamlaku Abebaw Miskir Tibebu Shiferaw Institutions Wollo University (ET) Debre Tabor University (ET) Bahir Dar University (ET) Beijing University of Chemical Technology (CN) University of Gondar (ET) Explore the Global Research Space Interactive Map