鲁西北平原区地热资源开发对地下水环境的影响

Effect of Geothermal Resources Exploitation to Groundwater Environment in Northwestern Plain in Shandong Province

摘要:

地热资源是集热、水、矿为一体的新型能源，具有污染小、易开发、投资小和环保的特点。在鲁西北平原区地热井多集中分布在城区内，且同一地区地热井的取水区段基本一致，开发利用方式单一，没有较为完善的回灌措施，且尾水处理工艺简陋甚至直接排放，造成了地热资源开采区及排放流经区域水土污染，该文在对区内地热资源开发利用现状调查的基础上，对开发利用过程中可能引起的浅层及深层地下水污染情况进行了分析，并提出了一些防治措施与建议。

Abstract:

Geothermal resources is a new type energy which collect heat, water and mineral resource as a whole. It has the characteristics of small pollution, easy exploration, small investment and environmental protection. In the plain areas in northwestern Shandong province, geothermal wells are concentrated in urban areas. Water intaking sections of geothermal wells in the same area ares are basically the same, development and utilization mode is single. There are no perfect recharge countermeasures, and tail water treatment process is simple, and sometimes geothermal water are even directly discharged. It has caused regional soil and water pollution in geothermal resources mining areas and discharging areas. In this paper, on the basis of surveying present condition of development and utilization of geothermal resources in the area, groundwater pollution situation in shallow and deep parts which may be caused in the process of development and utilization have been analyzed, and some prevention countermeasures and suggestions have been put forward as well.