PT. Envitech Perkasa Aurum Building Lt. 3, Jl. Ampera Raya No. 37 , Jakarta , 12560 Indonesia About Solutions products services training Companies PT. Envitech Perkasa Products Wastewater Treatment Plant Wastewater Treatment Plant 0 Share Physical / Chemical Processes. Biological Processes: Activated Sludge ~ Extended Aeration, Aerated Lagoon, Trickling Filter, Sequencing Batch Reactor. Anaerobic - UASB Process. Sludge Dewatering System. Most popular related searches wastewater treatment plant sludge dewatering system sequencing batch reactor sludge dewatering activated sludge wastewater treatment trickling filter aerated lagoon extended aeration dewatering system Customer reviews No reviews were found for Wastewater Treatment Plant. Be the first to review! Add your review Publish your review Great! review successfully added!