The mining industry is the major producer of acid mine drainage (AMD). problem AMD concerns at active and abandoned sites. Acid needs to be treated since it can contaminate surface water. Constructed wetlands (CW), a passive treatment technology, combines naturally-occurring biogeochemical, geochemical, physical processes. This technology used for long-term remediation AMD. challenge overcome some factors, instance, chemical characteristics such high acidity toxic metals concentrations,...

UV disinfection is cost-effective and easy to maintain for decentralized areas. However, ensure its effectiveness, some parameters need be considered. In this study, a general search of Web Science articles was performed determine the possible influence these on reactivation microorganisms in systems; addition, different strings were used focusing exclusively wastewater treatment, systems Advanced Oxidation Processes (AOPs). It found that order low transmittance, it essential remove...

The feminisation of energy poverty in the city Madrid is currently impossible to measure through statistics for those women who are not main breadwinners. However, a crescent body knowledge about qualitative research applied study has disclosed several aspects related vulnerability and its impacts. paper shows results characterisation 16 from based on interviews conducted during winters 2019 2020, before after COVID-19 lockdown. Four different ways which gender roles shape experiences...

Anaerobic digestion of sewage sludge is limited at the hydrolysis stage process. The goal this study was to assess effects retention times and ultrasound pretreatment on ammonium concentration organic matter transformation in anaerobic digesters treating sludge. To achieve this, two laboratory-scale semicontinuous were operated for a period over 70 d, including control reactor another fed by pretreated Both systems with mixed (50%/50% primary/secondary treatment) mesophilic conditions (37...

Rainwater harvesting (RWH) systems offer an opportunity to diversify the water matrix under drought scenario. However, there is not a robust institutional framework for managing this new source of water. The objective study was evaluate influence catchment surface material on quality rainwater collected. Three were installed in south-central Chile, which collected from three different surfaces: gravel tile, zinc-polycarbonate sheets, and clay tiles. RWH system consists first flush diverter...

La evaluación energética de edificios, suele cuantificar resultados referentes a consumos, ahorros energéticos y económicos, amortizaciones, emisiones CO2, etc.; sin embargo, existen otros factores, habitualmente no considerados, que pueden ser determinantes en la elección soluciones para el mejor comportamiento eficiencia global las edificaciones bienestar calidad vida sus usuarios. En presente artículo se muestran casos reales los aparecen ejemplos cuestiones, como inadecuación algunos...

Household water supply can cause different environmental impacts associated with the consumption of energy and materials, generation waste, other inputs outputs necessary to treat distribute water. These depend on population’s patterns, due potential availability sources. In this work, were evaluated from a production-consumption perspective, integrating life cycle assessment (LCA) survey for determining end uses sources at household level. The proposed method was applied in city Chillán...

The vermifilter (VF) is regarded as a sustainable solution for treating rural sewage. However, few studies have investigated the performance of full-scale vermifilter. objective this study to evaluate in reducing organic matter, nutrients, and antibiotic-resistant bacteria contained Influent effluents were obtained from sewage treatment plant using VF UV disinfection system. results show significant removal (p < 0.05) chemical demand (COD) (77%), biochemical oxygen (BOD5) (84%), total...

The main objective of this study is to evaluate the water quality different rainwater harvesting (RWH) systems and social acceptance their reuse in young users as an exploratory approach. Three RWH were implemented, harvested was evaluated focusing on physicochemical situ parameters. Social studied one using adapted technology model. An informative talk about operation given users, who students from a rural primary school. Surveys conducted before after impact providing information users....

Kraft mill effluents are characterized by their content of suspended solids, organic matter and color due to the presence lignin, lignin derivatives tannins. Additionally, contain adsorbable halogens wood extractive compounds (resin acids, fatty phytosterol) show high conductivity chemical used in digestion process pulp. Currently, mills operating under concept a linear economy and, therefore, generating serious toxicity effects, detected daphnia, fish biosensors. These treated activated...

Laundry greywater is considered as an alternative source of non-potable water, it discharged in approximately 70% homes. Because this water contains compounds such biodegradable and recalcitrant organic matter, surfactants, microbiological compounds, must be treated prior to reuse. Therefore, the objective study was assess behavior matter antibiotic-resistant bacteria (ARB) by a constructed wetland (CW). The results show that removal efficiencies were 67.19%, 50.15%, 63.57% for biological...

El Concurso planteaba la actuación sobre dos bloques de viviendas contiguos, uno ellos con graves problemas estructurales, que obligaron a su demolición, ha sido sustituido por un nuevo edificio bioclimático. otro objeto una rehabilitación para adecuación medioambiental y accesibilidad. Tras el estudio previo del clima entorno, las decisiones diseño correspondían estas condiciones manera se logra mejor ambiental junto otros valores técnicos, formales sociales. En ambos mala orientación los...