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　　In 2016, our company established Lucheng Lvbang Environmental Protection Technology Co., Ltd through cooperation with Shanxi Lubao Group,with an investment of CNY 65 from Lubao Group. Jiangsu Liaoyuan provided technical support and was responsible for operation and management. The Group's comprehensive production capacity was further expanded.?At present, the annual coke output is 6.5 million tons, and the daily wastewater treatment capacity of Lucheng Lvbang Environmental Protection Technology Co., Ltd. is 200 tons, the annual wastewater treatment capacity is 66,000 tons, and the annual sodium thiocyanate output is 10,000 tons.?The evaporating condensate after salt extraction is deeply purified, most of the water meets the water replenishment requirements of the cooling circulating water system, and is used for replenishing water in the circulating water system; a small part can be used for the desulfurization system to replenish water, which solves the coking problem (water balance of Desulphurization system) that has plagued coking enterprises for many years.