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中文摘要：
为了寻求廉价、高效的脱汞吸附剂，总结了竹炭的来源、制备方法、竹炭（BC）的性质以及竹炭的应用现状，并将其应用在燃煤大气污染物汞的脱除上．在小型燃煤烟气汞脱除实验台上和模拟烟气气氛下研究了低温下BC对汞吸附性能的影响因素．实验结果表明：BC对汞有较强的吸附能力，BC粒径减小增大了BC表面积和孔容，这有利于物理吸附脱汞；吸附剂质量与流量比值（W／F）的增加延长了汞与BC的接触时间，非常利于汞的吸附脱除；BC的脱汞效率随汞浓度的增大而降低；BC对汞的吸附脱除存在着最佳反应温度，实验发现60℃为最佳脱除温度；氧气会促进单质汞的氧化，从而进一步提高BC脱除汞的能力．
英文摘要：
The purpose of the present study was to develop cost-effective carbon-based sorbent using commercial bamboo charcoal （BC） which was produced from renewable bamboo precursor. The source, preparation methods, properties and application status of bamboo charcoal were summarized. The adsorptive potential of BC for elemental mercury was investigated through a parametric study conducted with a bench-scale bed. The effect of temperature, W/F, initial concentration and oxygen on mercury removal were analyzed. The results show that BC has strong adsorption capacity for mercury. The decrease of particle size of BC increases its BET surface area and pore volume, which can enhance its physisorption ability for elemental mercury. The increase of W/F prolongs the residence time of elemental mercury, thus improves the removal efficiency of elemental mercury. The increase of concentration of inlet mercury decreases the removal efficiency of elemental mercury. There is a best reaction temperature for the adsorption of mercury, and 60 ℃ is found to be the optimal reaction temperature. The presence of oxygen can oxidize elemental mercury and further increase the adsorption ability for elemental mercury.
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