气相色谱-质谱法测定洗煤废水中有机污染物

GC-MS Determination of Organics in Coal Washing Wastewater

采用气相色谱-质谱法,以苯、正丁醇、乙醚、四氯化碳和二氯甲烷为萃取有机溶剂,定性定量的分析洗煤废水中有机污染物成分。结果显示,通过对洗煤废水中有机化学成分进行GC-MS分析,从洗煤废水中共分离出25种组分,即检测到的有机污染物约有25种。通过与标准图谱检索比对,表明洗煤废水的成分主要由酯类、芳香烃和低链烷烃组成,其中酯类的含量占了总检出物的51%,芳香烃占了27.4%,其余成分为烷烃和烯烃等。

GC-MS was applied to the determination of organics in coal washing wastewater which was extracted by organic solvent as benzene and n-butyl alcohol etc. respectively. The experimental result showed that there were about 25 kinds of organics in coal washing wastewater testing by standard spectrum diagram, and esters account for 51% of total organic matter, aromatic hydrocarbon account for 27. 4% of total organic matter, the others were alkanes and olefins.