Distribution and genesis of mercury in natural gas of large coal derived gas fields in China

LI Jian,HAN Zhongxi,YAN Qituan,WANG Shuying,GE Shouguo

Table 4 Statistics on experiment results of mercury released from lignite by heating.

Temperature/°C	Mercury content of natural gas/(μg·m^-3)
Temperature/°C	Zhaotong, Yunnan	Linfen, Shanxi
250	3.050	7.860
300	118.000	754.000
350	82.700	546.000
400	33.300	238.000
450	9.670	10.500
500	0.761	4.360
550	0.031	1.130
600	0.025	0.876
650	0.022	0.562
700	0.018	0.483
750	0.016	0.354
800	0.008	0.322
850	0.006	0.250
900	0.005	0.184