气田气中汞的形成、危害及治理措施

Formation,Hazard and Control Measures of Mercury in Gasfield

针对近年来国内外因天然气汞中毒、汞腐蚀、汞污染等事故频发的现象,在阐述天然气中汞的形成、特性、分布及危害的基础上,参照国内外汞的控制指标,提出了固定床吸附脱汞、天然气冷却脱汞、使用防汞腐蚀涂层、定期检测和及时清除等治理措施,对气田企业含汞天然气污染防治有一定的指导作用。

In the past few years,incidents of hydrnrgyria,mercury corrosion and pollution has been frequently reported both at home and abroad.Specific to the phenomenon,on the basis of the formation,characteristic,distribution and hazard of the mercury in natural gas,referring to the guide standard in domestic and overseas,the paper presents series of measures for mercury pollution prevention,includingfixed-ben absorption,natural gas cooling,anti-corrosion painting,regular monitoring andremoval action in time.