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桐柏县二郎山水库是个农业、水产业合用的中型水库,同时供应大河铜矿生产、生活用水。由于地理条件限制,该矿选厂废水,铜、锌、硫精矿浓密过滤水,尾矿沉淀水及其他工业废水排至该水库。废水中的有害离子浓度(如硫化物等)超过标准,直接污染库水。为了防治公害,进行了选矿废水利用的研究,并在生产中成功地实施了全部废水循环使用。一年来,利用回水可取得近于新水
Erlang Reservoir Tongbai County is a medium-sized reservoir of agriculture and aquaculture industry, at the same time supply Dahe copper mine production and living water. Due to the geographical conditions, the mine processing plant effluent, copper, zinc, sulfur concentrate dense filtered water, tailings precipitation water and other industrial waste water discharged to the reservoir. The concentration of harmful ions in wastewater (such as sulfides) exceeds the standard and directly pollutes the reservoir water. In order to prevent and control the pollution, the research on the utilization of beneficiation wastewater was carried out and all waste water was recycled successfully in production. Over the past year, the use of backwater can be obtained near new water