Pengaruh parameter fisik-kimia terhadap aktivitas mikroorganisme dan enzim pada pengomposan limbah lumpur ipal (studi kasus IPAL Waduk Setiabudi Jakarta Selatan) = Effect of physico chemical parameters on the microbial and enzymatic activities during sewage sludge composting (case study WWTO of Setiabudi South Jakarta)

Analisis potensi pengolahan sampah makanan dengan proses biokonversi menggunakan larva black soldier fly (hermetia illucens) dari sampah organik Kantin Fakultas Teknik Universitas Indonesia = Potential analysis of food waste processing with bioconversion process using black soldier fly (hermetia illucens) in canteen of Faculty of Engineering University of Indonesia

Pengaruh penambahan Bio-aktivator terhadap pengomposan sampah organik = Effect of adding bio-activators in composting of organic waste

Pengaruh pengomposan terhadap kualitas udara mikrobiologis (Studi kasus: Pengomposan skala laboratorium, Lab. Lingkungan Fakultas Teknik Universitas Indonesia) = Effect of composting on microbiological air quality. (Case study: Laboratory Scale Composting at Environmental Lab. Faculty of Engineering, UI)

Pemanfaatan lahan basah buatan dengan menggunakan tanaman typha latifolia untuk mengelola limbah cair domestik (Studi kasus : limbah cair kantin Fakultas Teknik Universitas Indonesia) = The utilization of typha latifolia in constructed wetland to manage domestic waste water (Case study : waste water from canteen of Faculty Engineering University of Indonesia)