矿山酸性废水重金属沉淀分离研究

矿山酸性废水对环境的污染包括酸性废水和重金属离子两个方面,矿山酸性废水的治理也包括酸性废水和重金属离子处理两方面的内容。重金属沉淀分离是利用重金属离子的氢氧化物和硫化物沉淀溶度积不同,在控制不同的沉淀条件下,进行特定离子的沉淀分离,从而使得废水中的重金属离子得到处理,分步沉淀使得回收沉淀物保持较高的有价金属品位,更易于资源化。分步沉淀反应后,进行相应的固／液分离,并回流部分沉淀物至沉淀反应池,固／液分离后出水,经pH调节,可以达标排放或回用。     

How application of agricultural waste can enhance soil health in soils acidified by tea cultivation: a review

Environmental Chemistry Letters - Tea is one of the world’s most consumed beverages and an important crop of many developing countries. Intensive tea cultivation has negative impacts on soil...     

A statistical model to predict and analyze air surface temperature based on remotely sensed observations

Environmental Science and Pollution Research - Air surface temperature (AST) is a crucial importance element for many applications such as hydrology, agriculture, and climate change studies. The...     

土壤环境机械组成特征及其分布规律

通过对甘肃省土壤环境机械组成的调查研究,较全面、系统地获得了各种土质各区域的土壤环境机械组成,找出了甘肃省土壤环境机械组成特征及其分布规律。