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本文报道了在井场钻井污水池水面上直接依次喷洒氯化钙溶液、石灰水及铝盐溶液(聚合氯化铝、硫酸铝等)的就地三级处理技术,介绍了这一处理技术的原理、工艺程序及在百色、陆良地区20余口井现场处理钻井污水的效果。药品用量按该井次待处理污水量由室内实验和现场小型实验所得结果确定。这一处理方法所需设备简单,操作简便,费工少,处理时间短,药品费用低,处理效果好,处理后的污水基本符合国家标准规定的二级综合排放标准,产生的废渣易处理。
This paper reports the on-site tertiary treatment technology of spraying calcium chloride solution, lime water and aluminum salt solution (polyaluminum chloride, aluminum sulfate, etc.) directly on the well surface drilling well water surface and introducing the treatment technology Principle, technological process and the effect of drilling wastewater treatment in more than 20 wells in Baise and Luliang areas. The amount of medicine to be treated by the well was determined by the results of laboratory experiments and small field experiments. This treatment method requires simple equipment, simple operation, less labor, short processing time, low drug cost and good treatment effect. The treated sewage basically meets the second-level integrated discharge standard stipulated by the national standard, and the generated waste residue is easy to handle.