Landfill aeration in the framework of a reclamation project in Northern Italy

Monitoring transitory profiles of leachate humic substances in landfill aeration reactors in mesophilic and thermophilic conditions

“…In contrast to the slow rate presented by anaerobic pathway, in an aerobic environment biodegradable organic matter together with those semi-degradable and hardly degradable organics such as cellulose and lignin could be oxidized into carbon dioxide in a significantly shorter timeframe [4]. This provides more immediate benefits, such as the rapid reduction of biological oxygen demand (BOD), ammonia, methane and odor compounds [4,[6][7][8]. In the long term, landfill stabilization is achieved more rapidly by an factor of 2 ~ 4, thereby lowering the cost for post closure care, and eventually earlier beneficial reuse of the land may be possible [6,9,10].…”

Anaerobic aerobic treatments of leachate from municipal solid waste

“…It should be emphasized that the aeration has an effect on the leachate conductivity as it was described elsewhere [9]. Further, it has been shown that the decrease in conductivity is influenced by the presence of microorganisms, naturally present in the leachate of the biomass, indicating a strong correlation between electrical conductivity and biomass, [10,11]. Several researchers have studied aerobic versus anaerobic solid waste degradation by using columns filled with solid waste under different experimental conditions.…”

Minería de rellenos sanitarios como alternativa de gestión para residuos sólidos

“…El primero de ellos sucede en Tel Aviv, en el año de 1953, donde por mal diseño del relleno sanitario se motivó la explotación de residuos sólidos para la recuperación del suelo (Malik & Bharti, 2009;Bosmans et al, 2013;Van Passel et al, 2013;Raga & Cossu, 2014). En 1989, se encuentra una experiencia en la India, donde se realizó un estudio piloto para el compostaje.…”

“…Es de aclarar que los rellenos sanitarios poseen dos fases: una operativa y otra de clausura; dentro de la fase operativa se genera más metano y se produce el biogás; posteriormente, cuando el relleno sanitario se clausura, puede seguir generando biogás pero en menor proporción (Varela, 2013;Raga & Cossu, 2014). Es importante destacar que el biogás por sí solo genera contaminación, pero con un sistema de digestores este biogás se puede usar para la generación de energía eléctrica, por sus características térmicas.…”