FLUIDA (FLD, ISSN: 1412-8543, e-ISSN: 2723-7680) is a science and technology journal that contains articles taken from laboratory research results, simulation results of problems, conceptual analysis (the study of problem-solving in writing) about the production process, troubleshooting, and maintenance as well as results of studies/evaluations of the performance of a system process, especially in the fields of Chemical Engineering, Sustainable and Renewable Energy, Bioprocess Technology, and Food Technology.