Abstract
Design of Biomethane Supply System Using Ecodesign Approach and System Dynamics Modelling
Highlights
A huge volume of wastewater is being discharged annually from domestic, industrial and agriculture sectors
The efficiency of microbial fuel cells (MFCs) used for the treatment of greywater was successfully evaluated in the present study with remarkable results of electricity production and chemical oxygen demand (COD) removals
In the first approach for the whole area, a random point generation method was used in which a total of 200 points were generated and elevation values corresponding to each point were extracted from the toposheets, Shuttle Radar Topography Mission (SRTM) and ASTER digital elevation surfaces (Figure 2)
Summary
A huge volume of wastewater is being discharged annually from domestic, industrial and agriculture sectors. Greywater is the wastewater exiting from households; excluding the wastewater from toilets and including bathrooms, bathtubs, showers, hand wash basins, laundry machines and kitchen sinks. In order to manage the alarming threat of drinking water scarcity in and around the world, there is an increasing demand in the treatment and reuse of greywater. About 75% of residential sewage fraction is greywater (Eriksson et al, 2002). As compared with black (toilet) water, greywater contains low concentrations of organic compounds, nutrients and pathogens (Otterpohl, 2002). In order to manage the water scarceness, it makes sense to collect greywater separately and treat it for irrigation, washing or other non-potable applications. It should be treated properly to meet the discharge standards prior to their release into the environment (Suzuki et al.; 2002, Maekawaet al., 1995)
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