TNT red water treatment with vacuum distillation coupling in immobilized microorganism process

TNT red water was treated by vacuum distillation coupling in immobilized microorganism. Organic components of TNT red water and distillate were analyzed by gas chromatography-mass spectrometry (GC-MS). The main organic components of TNT red water were 1, 4-dinitrobenzen, 4-methylphenol, 2-methylphenol and so on. The distillate was composed of 4-methylphenol, phenol, 2-methylphenol, 2, 4-dinitrotoluene, 1,4-dinitrobenzen and some other organic compounds. The distillate was treated by combined process of immobilized microorganism-biological filter, which used FPUFS carrier as fillings. The nitro-compounds and COD in treated distillate were 0-1.6 mg/L and 50 mg/L-90 mg/L, respectively, which met wastewater discharge standard for TNT.EI010883-8872