Removal Pollutants in Textile Wastewater Using Unmodified Rice Husk Fifia Zulti, Nurul Setiadewi, Agus Waluyo and Evi Susanti E3S Web Conf., 483 (2024) 02008 Published online: 31 January 2024 DOI: 10.1051/e3sconf/202448302008