达竹煤电集团公司渡市选煤发电厂针对选煤、发电车间废水下河 ,既污染环境又浪费资源的实际进行了大力治理 ,实现了废水“零排放”。该厂早在 1 985年就投资 30× 1 0 4元建立了“洗水闭路循环系统”,杜绝了废水外排 ,取得了显著的环保效益。 1 996年 ,该厂两台发电功率为 1 .2 At the Zhuduan Coal Group Corporation, Dujiatang Coal Preparation Plant, aiming at the waste water from the coal preparation and power plant, not only pollutes the environment but also wastes resources, vigorously implemented the “zero discharge” of waste water. As early as in 1985, the factory invested a total of 30 × 104 yuan to establish a “closed-circuit washing system for water” to eliminate waste discharge and achieve significant environmental benefits. In 1996, the two plants had a power of 1.2