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There are concerns about the boiler efficiency and the secondary pollutants emissions during MSS (municipal sewage sludge) combustion. In the present work, the pellets made from the mixture of MSS and wood sawdust were combusted in a regular boiler. The boiler efficiencies of 10% and 30% (MSS content %) MSS pellet fuels were 76.6% and 75.9%, respectively. The emission, mass balance and distribution...
Liquefaction bio-oil from sewage sludge using different organic solvent (methanol, ethanol or acetone) at temperature of 260–380 °C was characterized in terms of its elemental and chemical composition, and was further upgraded by microemulsion technology. The bio-oil obtained had high carbon content of 67.60–73.58% and was mainly composed of esters when methanol or ethanol was used as liquefaction...
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