Abstract
Using Sawdust to Treat Synthetic Municipal Wastewater and Its Consequent Transformation Into Biogas
Highlights
The three main problems faced by the world today are water, food, and energy supply
A reverse trend was observed with the adsorption capacity which decreased as the adsorbent dosage was increased (Figure 1b)
Anaerobic digestion of pine sawdust after adsorption of total organic carbon (TOC) from synthetic domestic wastewater can increase the recovery of energy products from sawdust
Summary
The three main problems faced by the world today are water, food, and energy supply. In order to solve these problems, the domestic wastewater is treated as a resource rather than as a waste (Benetti, 2008). The organic fraction in wastewater is the most direct and commonly exploited energy source This fraction is a diverse mixture of molecules with a varied structure and molecular weight. It contains ∼42% dissolved organic carbon, ∼27% settleable organic carbon, ∼20% supracolloidal organic carbon, and ∼11% colloidal organic carbon (Rickert & Hunter, 1971). If these compounds are not removed properly from wastewater through the wastewater treatment plants (WWTPs), and are discharged into water resources (rivers or lakes), they may constitute an environmental problem. This problem has a harmful effect on the water quality and affects the aquatic life (Huerta-Fontela et al, 2011)
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