EXPERIMENTAL STUDY FOR THE IMPLEMENTATION OF SPRAY DRYING IN THE ACTIVATION PROCESS OF BENTONITE WITH SULFURIC ACID. Rev. peru. quím. ing. quim. [Internet]. 2012 Jun. 18 [cited 2024 May 19];15(1):42-53. Available from: https://revistasinvestigacion.unmsm.edu.pe/index.php/quim/article/view/4762