Selected peer-reviewed full text papers from the 4th International Seminar on Fundamental and Application of Chemical Engineering (ISFAChE 2022) Selected peer-reviewed full text papers from the 4th International Seminar on Fundamental and Application of Chemical Engineering (ISFAChE 2022), October 26-27, 2022, Surabaya, Indonesia (virtual)

PrefaceChapter 1: Food Chemistry and BiotechnologiesThe Effect of Sodium Sulfite with Varying Concentration on the Separation of Gliadin from GlutenAmylose Isolation of Cassava Starch with the Combination of High Shear Mixer and Centrifugation Treatment to Improve the Quality of Resistant Starch Type 3 (RS-3) ProductsUtilization of Oil Recovery Process on Spent Bleaching Earth into Non-Hazardous WasteResistance of Paecilomyces variotii Mold Ascospores to Dense CO2 and Dense CO2- Assisted Thermal ProcessingPotential of Using Fly Ash as an Additional Mixture for Planting MediumUtilizing Organic Waste for Biopesticide: Efficacy and Mortality Test against Spodoptera litura with Entomopathogenic MicroorganismsPreparation of Sulfonated SiO2 Catalyst from Geothermal Sludge Waste for Sago Flour HydrolysisChapter 2: Wastewater TreatmentTreatment of Laboratory Wastewater with High Sulfate Concentrations Using Eco-Enzyme as an Environment-Friendly CoagulantRemoval of Cadmium from Aqueous Solution Using Composite Nanostructure Natural Zircon and Magnetite Particles (Fe3O4@ZrO2) as an AdsorbentOptimization Using Central Composite Design (CCD) on Cellulose Acetate/Polyethylene Glycol Composite Beads for Adsorption of Methylene Blue in Batch SystemInfluence of Current Density for Pollutant Removal from Palm Oil Mill EffluentChapter 3: Process Systems EngineeringEffect of Natural Gas Composition, Ratio of Methane-Steam and Methane-Air on Ammonia ProductsProcess Simulation and Optimization of Heat Pump Assisted Distillation Based Condensate Stabilization UnitProduction of Cu-EDTA, Zn-EDTA, CuZn-EDTA as a Micronutrient Fertilizer and its Application to Lettuce