淡水河谷廢棄物處理項目

1、淡水河谷廢棄物處理項項目背景行動方案淡水河谷廢棄物處理項項目背景行動方案水泥原材料的生產(chǎn)，降低CO2排放量低了采購原材料的成本并減少2012 9420 也降低了廢物填埋量績效收益2013 8.1%2012 9420 也降低了廢物填埋量績效收益2013 8.1%借鑒意義理廢物的尾礦壩和反應堆，礦業(yè)產(chǎn)生的廢物主要在尾礦壩（包含礦渣和沉積物WasteManagementProjectbyIn contemporary society, resource shortage and environmental deterioration emerged to the surface. As for Va

2、le, on the one hand, they are requiredWasteManagementProjectbyIn contemporary society, resource shortage and environmental deterioration emerged to the surface. As for Vale, on the one hand, they are required to sustainable development by the ernments, as well as balance nd ecological environment; o

3、n the other hand, they have to promote rates resource usage and reduce total costs; therefore, for the e of protection and reuse of resource, Vale developed the Waste Management Program providingvariousmanagementOne key initiatives of the waste management project done by Vale was the reuse slag. Nor

4、mally, waste in the production s are ed of in tailings (containing tailings and sediments) or piles (containing waste rock and tailings), their volume is directly linked to production and geological characteristics at the Vales commitment to environmental and l es is reflected in the way managespeci

5、fickindsofheproductionIn 2013, Vale invested US$290 million in dams, dikes and waste rock piles. representedthe largest category of their environmental expenditure his they seek to optimize waste rockandtailings al ses.Oneof the developed by other industrial he recovery and reuse of minerals waste,

6、as well as its use ses, is the use of slag, a by-product of the production ferroalloys, in the cement industry, with ention of non-renewable raw materials. The project contributes to the eliminationof risks ted with the temporary storage of slag, and also to the reduction of sasthere is less product

7、ionof cement rawmaterial,As an le for Vale Mangans, in Barbacena (MG), this initiative meant he cost of moving 52,000 tons of slag - the total amount ofAs an le for Vale Mangans, in Barbacena (MG), this initiative meant he cost of moving 52,000 tons of slag - the total amount of slag generated by un

8、it per year. Additionally, the technical and l feasibility of this swasproventhrough researchconductedwithcement Another initiatives developedby Vale isto recycleoil andconveyor belts. In line the National Solid Waste Policy, Vale developed a program to reuse lubricating The material - originally us

9、ed in equipment enance - now serves as input manufacture the explosive Anfo (Ammonium Nitrate Fuel Oil). This initiative redu costs on the purchase of raw materials and risks of storage and transport of this product. In 2013, around 1,350 tons of oil was used to manufacture Anfo. remainderwasdestine

10、dtoberecycledinrefiningWaste from conveyor belts, straps and ets generated at Vales units, which previously stored or discarded, also began to be recycled. These are orecycled belts, truck liners, steel cables for corrals and other materials. In 2013, tons of scrap waste were recycled, reduce the co

11、nsumption of raw thevolumeofwaste senttolandfillsandthe al costsforthe There are itive impacts, such as the creation of he recycling In2013,therewasadecreaseof y8.1%in discardof mining:One key initiatives of the waste management project done by Vale was the reuse slag. By building dams, dikes and wa

12、ste rock piles, he production sare ed of in tailings dams (containing tailings and sediments) or (containing waste rock and tailings). Another initiatives developed by Vale is to recycle oil and conveyor belts. In line with the National Solid Waste Policy, developed a program to reuse lubricating oils. The material - originally used equipment enance -