José Gregorio Delgado LinaresLeonardo Rennola AlarcónS. Arias Lugo2026-03-222026-03-222006https://andeanlibrary.org/handle/123456789/61394An activated sludge pilot plant for wastewater treatment was designed and constructed. It consists on a feeding tank, a reaction tank, an aireation system, a settling unit, a recycle pump and connection accessories. The pilot plant can be used for aerobic treatment of a variety of wastewaters. The feeding flow can vary among 0.1-5.0 L/h. Given the environmental problem caused by the distillery vinassess, the pilot plant was used to treat its wastewaters using Candida utilis . The DBO and DQO removal was higher than 89.5% and 33.3% respectively.esWastewaterSewage treatmentActivated sludgeEnvironmental engineeringSettlingEnvironmental scienceWaste managementHumanitiesarticle