Distribution of mercury in the atmosphere over Idrija, Slovenia

被引:34
作者
Gosar, M
Pirc, S
Sajn, R
Bidovec, M
Mashyanov, NR
Sholupov, SE
机构
[1] Institute of Geology,Geotechnics and Geophysics
[2] University Ljubljana,Institute of Geology
[3] St. Petersburg State University,undefined
关键词
air pollution; mercury; Idrija mine;
D O I
10.1023/A:1018402605831
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Idrija mine, the second largest mercury mine in the world, was in use since 1490. More than 107 000 tons of Hg were produced in its five centuries of history until 1990 when production was reduced to a few hundred kilos per year. The average recovery rate of mercury has been estimated to 73%; much of the remaining 27% was dissipated into the environment. In spite of present minimal levels of production, and only a few days of smelter operation per year, a real time survey with a mercury Zeeman analyser in a car showed relatively high mercury concentrations in the air. Amounts of 300-4000 ng Hg m(-3) have been round around both the major sources of mercury vapour, the smelter and mine ventilation shaft-while the amounts at the Old Place, at the City Museum, and near the Nikova-Idrijca confluence are of the order of 50 ng m(-3). Polluted air will be transported from those sources to a degree which depends on the weather conditions, mainly the direction and intensity of the wind. The high mercury contents in the air are not only due to anthropogenic sources (smelter and the ventilation shaft, dumps and smelter slag used in construction), but may also partly be natural as in the Front area, where the outcropping bedrock contains native mercury.
引用
收藏
页码:101 / 110
页数:10
相关论文
共 25 条
[1]  
Adriano D.C., 1980, TRACE ELEMENTS AQUAT
[2]  
[Anonymous], VESTNIK SLOVENSKEGA
[3]  
Byrne A. R., 1970, VESTNIK SLOVENSKEGA, V17, P5
[4]  
DROVENIK M, 1990, IDRIJSKI RAZGLEDI, V34, P12
[5]  
Forstner U., 1979, METAL POLLUTION AQUA
[6]  
GOSAR M, 1995, P 10 INT C HEAV MET, V1, P311
[7]  
GOSAR M, 1992, P 3 C POLL ENV PROT, P213
[8]  
GRASIC M, 1973, THESIS U LJUBLJANA
[9]  
Hess A., 1991, GEOLOGIJA, V33, P479
[10]  
HESS A, 1993, VERTEILUNG MOBILITAT