论文部分内容阅读
城乡建设环境保护部环保局主持召开的工业废渣综合利用技术经济政策讨论会于8月中旬在北京举行。与会代表们一致认为工业废渣的开发利用是经济建设中必须解决好的一项重要工作,组织制定有关政策,推动这一事业的发展,非常必要。目前,我国工业废渣和尾矿的年排放量达4亿多吨,利用率仅24%,大部分排入环境。历年堆存量已达53亿吨,占地59万亩;平均每年向江河湖海排放约1500万吨,有的污染大气。据统计,由灰渣
The Technical and Economic Policy Seminar on the Comprehensive Utilization of Industrial Wastes hosted by the Environmental Protection Bureau of the Ministry of Urban and Rural Construction and Environmental Protection was held in Beijing in mid-August. The delegates agreed that the development and utilization of industrial waste residue is an important task that must be resolved in economic construction. It is necessary to organize relevant policies to promote the development of this undertaking. At present, China’s annual industrial waste slag and tailings discharge more than 400 million tons, the utilization rate is only 24%, and most of them are discharged into the environment. Over the past year, the stockpiles have reached 5.3 billion tons and occupy an area of 590,000 mu. On average, about 15 million tons have been discharged into rivers, lakes and seas every year, and some have polluted the atmosphere. According to statistics, from ash