Study on sorption characteristics of citric acid modified rape-seed pellet considering the chemical pre-treatment processes . Hungarian Journal of Industry and Chemistry, [S. l.], v. 39, n. 3, p. 407–411, 2011. DOI: 10.1515/457. Disponível em: https://hjic.mk.uni-pannon.hu/index.php/hjic/article/view/457. Acesso em: 8 dec. 2024.