254 2004) (Schell , 2003) (Chandra , 2007) (Chang , 1998) 190 5 SO2) 72 6 122 64 (He , 2008) 6 48 (Pang , 2008) Organic fraction of municipal solid waste, OFMSW OFMSW OFMSW - OFMSW -0 4 (Forster-Carneiro , 2007) 5 7