Efisiensi intermittent slow sand filter dalam pengolahan air permukaan terkait parameter ph, warna, nitrat, nitrit, dan total koliform (studi kasus : waduk resapan dan Danau Mahoni UI) = Efficiency of intermittent slow sand filter in surface water treatment related to parameters such ph, color, nitrates, nitrites, and total coliforms (case study recharge pond and Mahoni Lake at UI)

Analisis pengaruh prasedimentasi pada proses slow sand filter terhadap kinerja filter dalam menyisihkan besi, mangan, kekeruhan dan fekal koliform pada air permukaan: studi kasus: Danau Mahoni Universitas Indonesia = Analysis of the effect of presedimentation on slow sand filter performance in removing turbidity, iron, manganese and fecal coliform in surface water: study case: Lake Mahoni, University of Indonesia

Analisis Kinerja Saringan Pasir Lambat dengan Media Zeolit dan Pasir Silika dalam Menurunkan Zat Organik dan Kekeruhan (Studi Kasus: Air Danau Mahoni Universitas Indonesia, Depok) = Performance Analysis of Slow Sand Filter with Zeolite and Silica Sand in Removing Organic Substances and Turbidity (Case Study: Mahoni Lake Water, University of Indonesia, Depok)

Efektivitas Recycled Vertical Flow Bioreactor (RVFB) dengan Media Coco Peat, Filter Keramik, dan Batu Kapur untuk Pengolahan Grey Water sebagai Penyediaan Air Baku = The Effectiveness of Recycled Vertical Flow Bioreactor (RVFB) Using Coco Peat, Ceramic Filter, and Limestone for Grey Water Treatment as Raw Water Supply

Efektivitas septic tank upflow dan downflow filter untuk pengolahan air limbah domestik