Coal resources are very abundant in Zibo, Shandong Province, China. A lot of mining sewages are discharged during the coal mining. The mining sewage is characterized by high ρ (SO 2- 4 ), hardness and totall...Coal resources are very abundant in Zibo, Shandong Province, China. A lot of mining sewages are discharged during the coal mining. The mining sewage is characterized by high ρ (SO 2- 4 ), hardness and totally dissolved solids (TDS). Mining sewage in the southern Zibo is acidic, where heavy metals and benzene are detected. The Xiaofu River is polluted when mining sewage flows into it, so that the Mengshan Reservoir is polluted by Xiaofu River. The groundwater is polluted in Zichuan by the leaking of the Xiaofu River. The polluted Xiaofu River is thus used to irrigate the farmland in Mashang Mengshui zone. The irrigation water affects the quality of shallow groundwater. The laboratory soil column test shows that SO 2- 4, Cl -, Ca 2+ and Mg 2+ can migrate through vadose soil, especially SO 2- 4 and Cl -.展开更多
基金The paper is supported by National Natural Science Foundation of China( Nos.4963 2 0 90 and4983 2 0 0 5 )
文摘Coal resources are very abundant in Zibo, Shandong Province, China. A lot of mining sewages are discharged during the coal mining. The mining sewage is characterized by high ρ (SO 2- 4 ), hardness and totally dissolved solids (TDS). Mining sewage in the southern Zibo is acidic, where heavy metals and benzene are detected. The Xiaofu River is polluted when mining sewage flows into it, so that the Mengshan Reservoir is polluted by Xiaofu River. The groundwater is polluted in Zichuan by the leaking of the Xiaofu River. The polluted Xiaofu River is thus used to irrigate the farmland in Mashang Mengshui zone. The irrigation water affects the quality of shallow groundwater. The laboratory soil column test shows that SO 2- 4, Cl -, Ca 2+ and Mg 2+ can migrate through vadose soil, especially SO 2- 4 and Cl -.
