Brascarbon Methane Recovery Project BCA-BRA-19

Description

Central Region State of Mato Grosso do Sul, Brazil

Brascarbon Methane Recovery Project BCA-BRA-19

The purpose of BRASCARBON Methane Recovery Project BCA-BRA-19 project is to utilize the effluent produced on a total of 10 pig farms in the state of Mato Grosso do Sul, in Brazil, to capture methane and generate biogas. The projects have the potential to generate energy from waste using the biogas produced and captured. Regardless this potential, energy will not be a part of this project activity. Before the project activity, local farmers considered waste as an externality in the pig production process. As such, minimal finance was allocated to this issue and wastewater was often treated in open water lagoons – frequently with profound environmental impacts. The projects demonstrate how the construction of a set of new, covered, in-ground anaerobic digesters can utilize the organic material from the animal operations to produce biogas and fertilizer, whilst reducing greenhouse gas emissions. The basis of the projects is the anaerobic digestion, whereby microorganisms break down biodegradable material in the absence of oxygen. As part of an integrated waste management system, anaerobic digestion reduces the emission of greenhouse gases into the atmosphere and produces a rich biogas, suitable for energy production, which can be used to replace fossil fuels. The nutrient-rich solids left after digestion are used as fertilizer and the better wastewater management allows more water for irrigation.

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