Agribusiness Goodbye Sewage Pit: Rural Producer Teaches How to Build a Biodigester with Plastic Drum and PVC Pipes That Treats Household Wastewater, Generates Biofertilizer, and Can Cost Less Than R$ 1,200, Replacing Conventional System of Up to R$ 5,000 Valdemar Medeiros 02/03/2026 at 17:50
Economy Rio de Janeiro Favela Implements Its Own Sustainable Sewage Treatment System Using Biodigesters, Generating Piped Natural Gas, Saving Financial Resources, Reducing State Dependence, and Preventing 15 Million Liters of Waste from Being Discharged into Rivers. Sabrina Moreira Paes 25/06/2022 at 17:44