Anaerobic MBBR Wastewater Treatment Filter Media for Latin American High-Strength Effluent Our BM-AN-MBBR anaerobic wastewater treatment filter media is engineered for anaerobic and anoxic MBBR reactor zones treating high-strength industrial and municipal effluents across Latin America . With ≥800 m²/m³ protected surface area, these carriers support dense anaerobic biofilms for COD removal and denitrification in slaughterhouse, distillery, dairy, and food processing