Peking Univ;
Shenzhen Grad Sch;
Key Lab Urban Human Residential Environm Sci & Te;
Shenzhen 518055;
Peoples R China;
Peking Univ;
Dept Environm Engn;
Key Lab Water & Sediment Sci;
Minist Educ;
Beijing 100871;
Peoples R China;
hydrocarbon-sulfide-containing wastewater; biological sulfide oxidation; microbial ecology; PCR-DGGE;