淮南煤田潘三矿煤中钡、锰、镍的含量及其赋存状态

摘要

采用电感耦合等离子体原子发射光谱仪(ICP-AES)和逐级化学提取法对淮南煤田潘三矿某钻孔煤中Ba、Mn和Ni的含量及其赋存状态进行了研究.结果表明:潘三矿煤样中Ba含量较其他地区煤明显偏高,Mn含量较其他地区明显偏低,而Ni元素含量则相差不大;Ba主要以离子交换态存在,也较少以有机结合态、碳酸盐结合态和硅酸盐结合态形式赋存;Mn主要以离子交换态或碳酸盐结合态存在;Ni主要以有机结合态的形式存在,也存在碳酸盐结合态、硫化物结合态和硅酸盐结合态的Ni.%Using the inductively coupled plasma atomic emission spectrometer(ICP-AES)and stepwise chemical extraction method carried out study on content of barium, manganese and nickel in coal and their hosting state in the Panji No.3 coalmine, Huainan coalfield.The result has shown that the Ba content in coal samples from the coalmine is obviously on the high side compared to coal in other areas,Mn content on low side,while difference of Ni content not significant.Ba is mainly hosting in ion exchange state,less or-ganic,carbonate and silicate bound states;Mn mainly hosting in ion exchange state or carbonate bound state;Ni mainly hosting in or-ganic bound state,also some carbonate,sulfide and silicate bound states.