改进传统的合成六方介孔材料的工艺,合成具有双纳米效应的掺镧介孔纳米球,以此作为卷烟添加剂,研究了其对红塔山经典1956卷烟主流烟气中含有的低分子醛酮化合物的吸附行为.结果表明在过滤嘴中加入了添加剂的烟样中8种低分子醛酮的含量明显低于没有加入添加剂的烟样,且测定结果的相对偏差小于0.3％.其中,甲醛的含量由186.0721μg/支减少到103.698μg/支,说明该掺镧介孔纳米球添加剂对甲醛的吸附具有较好的选择性.
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