以Na2S与NH4Br溶液分别对石化工业副产物高硫石油焦进行活化、改性以制成载溴富硫活性炭.采用比表面积及孔隙度分析仪、扫描电子显微镜/X射线能谱分析仪、X射线光电子能谱仪对吸附剂物理化学性质进行表征.在模拟烟气管道喷射实验装置上进行了高硫石油焦喷射脱汞实验研究.结果表明,Na2S活化后的石油焦表面微孔结构和微观形貌得到较大改善,在石油焦表面形成含硫官能团;NH4Br改性后使溴活性因子搭载于石油焦表面,促进了临近含硫官能团的活性;表面含硫官能团与溴活性因子的共同作用使高硫石油焦表现出较强的汞吸附脱除能力,可作为燃煤烟气喷射脱汞吸附剂.
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