Food wastes are estimated to be 72% moisture, with the remaining portion contain
ID: 923526 • Letter: F
Question
Food wastes are estimated to be 72% moisture, with the remaining portion containing 45% C, 6.4% H, 28.8% O, 3.3% N and 16.5% other constituents.
(a) Write a chemical formula for the C,H,N,O portion of the waste
(b) Write a balanced chemical reaction for the production of methane
(c) What fraction of the volume of gas produced is methane
(d) At STP one mole of gas occupies 22.4 *10^-3 m^3. What volume of methane is produced per kilogram of food waste?
(e) Based on typical compisition of MSW, how significant should the category of food waste be in determining overall methane production potential from biologically-active landfills? Is the category of waste increasing or decreasing as a fraction of overall MSW composition in the US?
Explanation / Answer
Food wastes are estimated to be 72% moisture, with the remaining portion contain