CHEMICA: Jurnal Teknik Kimia is an online, peer-reviewed, open access journal that publishes manuscripts or scientific papers in Chemical Engineering. The scope of this journal covers chemical reaction engineering, separation, optimization, process control, process system engineering, waste treatment, food, and material technology. Journals are published in print and online three times a year, in April, August, and December in electronic format with free online access. Before submission please make sure that your paper is prepared using the journal paper template CHEMICA Template.