Degradasi senyawa asam sulfonat dalam limbah deterjen sintetik menggunakan teknik ozonasi dalam Reaktor Hibrida Ozon-Plasma (RHOP) = Degradation of sulfonic acid compound at synthetic detergent waste using ozonation technique in the Reactor Hybrid Ozone Plasma (RHOP)

Degradasi limbah pewarna tekstil menggunakan metode elektrolisis plasma dengan injeksi udara pada anoda = Degradation of textile dye waste using plasma electrolysis method by air injection at the anode

Pengolahan limbah cair industri tahu menggunakan teknik ozonasi dan adsorpsi dengan granular activated carbon (GAC) = Combination of ozonation and adsorption using granular activated carbon (GAC) for tofu industry liquid wastewater treatment

Pengolahan Limbah Sintetis Fenol dan p-Klorofenol dengan Metode Ozon-Nanobubble = Treatment of Synthetic Waste of Phenol and p-Chlorophenol with Ozone-Nanobubble Method

Pengelolaan limbah cair dengan pendekatan konsep eko-efisiensi (analisis hubungan antara penerapan program cleaner production di area produksi dengan kinerja IPAL di PT XYZ) = Management of the liquid waste through approach of the eco efficiency concept (analysis of correlation between the applications of cleaner production program on production area and WWTP performance in PT XYZ