EFFECT OF SOLUTION pH AND TEMPERATURE ON PHENOL ADSORPTION ONTO CARBONIZED RICE HUSK CHEMICALLY ACTIVATED WITH PHOSPHORIC ACID . Journal of Engineering Studies and Research, [S. l.], v. 27, n. 4, p. 30–35, 2021. DOI: 10.29081/jesr.v27i4.296. Disponível em: https://jesr.ub.ro/journal/article/view/296. Acesso em: 13 sep. 2025.