Optimalisasi Proses Pembentukan Biogas dari Sampah Makanan dengan Menggunakan Biostarter Effective Microorganism 4 (EM4) = Optimization of Biogas Yield from Anaerobic Process of Food Waste using Biostarter Effective Microorganisms 4 (EM4)

Kinetika reaksi biokimiawi EM4 pada penguraian limbah cair pabrik tahu : studi kasus Pabrik Tahu, Kukusan, Depok, Jawa Barat = The Kinetics of the Biochemical Reaction of EM4 to elements of Liquid waste from a Tofu Factory : A case study of Tofu Factory in Kukusan, Depok, West Java

Perolehan kembali logam Ni dari limbah katalis hydrotreating menggunakan metode leaching asam organik dan teknologi membran cair emulsi surfaktan ganda = Recovery of Ni metal from spent hydrotreating catalyst with organic acid leaching and emulsion liquid membrane technology using mixed surfactant

Peningkatan laju pertumbuhan dan fiksasi CO2 serta akumulasi lipid dari chlorella vulgaris dalam medium pertumbuhan mikroalga berbasis pupuk organik cair = Growth rate increment CO2 fixation and lipid accumulation of chlorella vulgaris in liquid organic fertilizer based microalgae growth medium

Produksi Kolagen dari Membran Cangkang Telur Ayam dan Analisis Kandungan Hidroksiprolin Menggunakan Kromatografi Cair Kinerja Tinggi Detektor Fluoresensi = Collagen Production From Chicken's Eggshell Membrane and Analysis of its Hydroxyproline Content Using High Performance Liquid Chromatography-Fluorescence Detector