R. Ratnawati

Community Service as an Application of the Independent Learning – Independent Campus Program to Improve the Competence of Chemical Engineering Students Through Collaborative and Student Project-Based Learning

Linda Aliffia Yoshi, J. Joelianingsih, E. Enjarlis, 2022, Education for Chemical Engineers.

Browning Prevention of Chips from Freshly Harvested Porang (Amorphophallus oncophyllus) Tubers through Immersion in Ascorbic Acid Solutions at Various Times

D. S. Retnowati, R. Ratnawati, A. Kumoro, 2019, Journal of Physics: Conference Series.

Extraction of pectin from banana (Musa acuminata x balbisiana) peel waste flour using crude enzymes secreted by Aspergillus niger

D. S. Retnowati, A. C. Kumoro, R. Ratnawati, 2020, IOP Conference Series: Materials Science and Engineering.

Simultaneous Decolorization of Tartrazine and Production of H2 in a Combined Electrocoagulation and Photocatalytic Processes using CuO-TiO2 Nanotube Arrays: Literature Review and Experiment

Laily F. Pelawi, R. Yudianti, M. Ibadurrohman, 2022, Indonesian Journal of Science and Technology.

Effect of pH on Depolymerization of κ-Carrageenan by Ultrasound, Ozone and Their Combination

A. Prasetyaningrum, B. Jos, R. Ratnawati, 2019, Journal of Physics: Conference Series.

Chemical Compositions Changes during Hot Extrusion at Various Barrel Temperatures for Porang (Amorphophallus Oncophyllus) Tuber Flour Refining

D. S. Retnowati, A. C. Kumoro, R. Ratnawati, 2019, Journal of Physics: Conference Series.

Effect of catalyst concentration and reaction time on the extraction of glucomannan from porang (Amorphophallus oncophyllus) flour via acid hydrolysis

D. S. Retnowati, R. Ratnawati, A. Kumoro, 2016 .

Degradation of Phenol in Pharmaceutical Wastewater using TiO2/Pumice and O3/Active Carbon

Y. A. Husnil, E. Enjarlis, M. Christwardana, 2020 .

Effect of Temperature and Reaction Time on the Swelling Power and Solubility of Gadung (Dioscorea hispida Dennst ) Tuber Starch during Heat Moisture Treatment Process

D. S. Retnowati, M. Widiyanti, R. Ratnawati, 2019, Journal of Physics: Conference Series.