| 穹窿控制型地热流体质量评价 |
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| 关键词:geothermal resources geothermal fluid Wugongshan area quality evaluation |
| 基金项目:中国地质调查局地质调查项目(编号: DD20201165) |
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| 摘要: |
| Quality Evaluation of Dome-controlled Geothermal Fluid |
| Geothermal fluid is one of the main geothermal resources. Quality evaluation is vital for the exploittion and utilization of geothermal fluid. Therefore, this study evaluated the quality of 17 samples in the vault area of Wugongshan in Jiangxi province based on the corresponding criteria. The evaluation included medical geothermal water evaluation, natural mineral water evaluation, agricultural irrigation water evaluation, fishery water evaluation, corrosion and scaling trend evaluation. Results showed that 82% of samples reached the standard of medical geothermal water, and the main elements were fluorine and silicon; 18% of samples reached the standard of natural mineral water with metasilic acid. The samples suitable for agricultural irrigation accounted for 82%, and the tail water temperature should be lower than 35℃ after step utilization; samples suitable for fisheries accounted for 76%; and all samples had no corrosion and scaling tendency. Groundwater quality evaluation results showed that 6% of samples was class I, suitable for various uses; 18% of samples belongs to class III, which is mainly suitable for centralized drinking water sources and industrial and agricultural water; 76% of samples is class IV, which can be used for drinking water after proper treatment except for agricultural and some industrial water. The results of this study can provide effective reference for the exploitation and utilization of geothermal fluid resources in this area. |
| JIA Wuhui,LIU Kai,ZHANG Yaoyao,ZHANG Shouchuan,HE Qingcheng,SUN Junliang,YU Tingxi,GUO Junhan,WANG Luyao.2024.Quality Evaluation of Dome-controlled Geothermal Fluid[J].Acta Geoscientica Sinica,45(1):80-90. |
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