6533b82dfe1ef96bd1291ca9

RESEARCH PRODUCT

Energy and environmental impact of an anaerobic membrane bioreactor (AnMBR) demonstration plant treating urban wastewater

ÁNgel RoblesJosé Ramón VázquezFrank RogallaJosé FerrerAntonio Jiménez-benítezAntonio Jiménez-benítezAurora Seco

subject

chemistry.chemical_compoundchemistryFoulingWastewaterEnvironmental engineeringEnvironmental scienceDemonstration PlantEnvironmental impact assessmentAnaerobic membrane bioreactorEffluentControl methodsMethane

description

Abstract In order to assess the environmental feasibility of anaerobic membrane bioreactor (AnMBR) technology for urban wastewater (UWW) treatment at ambient temperature, a demonstration plant was operated within the LIFE MEMORY project ( http://www.life-memory.eu/en/ ). This plant incorporates full-scale hollow-fiber membrane modules and was fed with the effluent from the pre-treatment of the “Alcazar de San Juan” WWTP (Alcazar de San Juan, Ciudad Real, Spain). Because of the dimensions of this plant, the system can be regarded as a previous step to the scale-up of AnMBR technology for full-scale UWW treatment. High-energy recovery potentials were achieved treating medium-/high-loaded UWW at mild/hot temperatures (up to 0.47 kWh/m3permeate), while dissolved methane was a key factor affecting carbon footprint. Results showed that the feasibility of AnMBR performance is significantly enhanced, treating medium to high organic loading rates, implementing fouling control methods to reduce operating expenses, increasing the recovery of dissolved methane from the effluent, and establishing technologies and/or effluent management plans for nutrients recovery.

https://doi.org/10.1016/b978-0-12-819854-4.00012-5