Recovery of nitrogen and water from landfill leachate by a microbial electrolysis cell–forward osmosis system

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Recovery of nitrogen and water from landfill leachate by a microbial electrolysis cell-forward osmosis system.

A microbial electrolysis cell (MEC)-forward osmosis (FO) system was previously reported for recovering ammonium and water from synthetic solutions, and here it has been advanced with treating landfill leachate. In the MEC, 65.7±9.1% of ammonium could be recovered in the presence of cathode aeration. Without aeration, the MEC could remove 54.1±10.9% of ammonium from the leachate, but little ammo...

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Landfill leachates result from the degradation of solid residues in sanitary landfills, thus presenting a high variability in terms of composition. Normally, these effluents are characterized by high ammoniacal-nitrogen (N-NH₄⁺) concentrations, high chemical oxygen demands and low phosphorus concentrations. The development of effective treatment strategies becomes difficult, posing a serious pr...

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ژورنال

عنوان ژورنال: Bioresource Technology

سال: 2016

ISSN: 0960-8524

DOI: 10.1016/j.biortech.2015.10.066