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| 疏水纳米SiO2选择性降低卷烟烟气有害成分含量 | |
| 引用本文： | 冯守爱,黄泰松,邹克兴,陈志燕,黄天辉,朱永法.疏水纳米SiO2选择性降低卷烟烟气有害成分含量[J].烟草科技,2011(10). |
| 作者姓名： | 冯守爱 黄泰松 邹克兴 陈志燕 黄天辉 朱永法 |
| 作者单位： | 1. 广西中烟工业有限责任公司技术中心,南宁市 530001;清华大学化学系,北京市海淀区 100084 2. 广西中烟工业有限责任公司技术中心,南宁市,530001 3. 清华大学化学系,北京市海淀区,100084 |
| 基金项目： | 中国烟草总公司科学研究与技术开发重大专项"选择性减害技术研究及产品应用"，广西中烟工业有限责任公司技术创新项目"纳米技术应用于选择性降低卷烟烟气有害成分的研究" |
| 摘 要： | 为研究纳米材料表面性质对选择性降低卷烟烟气中主要有害成分的影响,对亲水性纳米SiO2用三甲基氯硅烷进行了疏水改性,并将改性前后的纳米SiO2分别添加到烟丝和滤嘴中研究其对卷烟烟气有害成分含量的影响.结果表明:亲水纳米SiO2改性后,表面的硅羟基基本消失,样品呈现疏水性;烟丝中添加疏水改性纳米SiO2后,烟气中苯酚含量降低27.2％,巴豆醛降低12.4％,CO含量略有降低;与此相反,亲水性纳米SiO2不但没有使巴豆醛、苯酚以及CO的含量降低,反而有不同程度的上升;滤嘴中添加疏水纳米SiO2后,可选择性降低烟气中13.1％的苯酚和8.4％的巴豆醛;添加亲水纳米SiO2不能降低苯酚和巴豆醛的含量.因此,纳米材料的表面疏水性对其选择性吸附烟气中弱极性有害成分有重要作用. |
| 关 键 词： | 卷烟烟气 纳米材料 疏水改性 苯酚 巴豆醛 选择性吸附 |
Selective Reduction of Harmful Components in Cigarette Smoke with Hydrophobic Nanometer Silicon Dioxide |
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| FENG SHOU-AI,HUANG TAI-SONG,ZOU KE-XING,CHEN ZHI-YAN,HUANG TIAN-HUI,ZHU YONG-FA.Selective Reduction of Harmful Components in Cigarette Smoke with Hydrophobic Nanometer Silicon Dioxide[J].Tobacco Science & Technology,2011(10). | |
| Authors: | FENG SHOU-AI HUANG TAI-SONG ZOU KE-XING CHEN ZHI-YAN HUANG TIAN-HUI ZHU YONG-FA |
| Affiliation: | FENG SHOU-AI(1,2),HUANG TAI-SONG(1),ZOU KE-XING(1),CHEN ZHI-YAN(1),HUANG TIAN-HUI(1),and ZHU YONG-FA(2) 1.Technology Center,China Tobacco Guangxi Industrial Co.,Ltd.,Nanning 530001,China 2.Department of Chemistry,Tsinghua University,Beijing 100084,China |
| Abstract: | In order to investigate the effect of surface properties of nanometer materials on their performance of selectively reducing major harmful components in cigarette smoke,hydrophilic nanometer SiO2 was modified by trimethylsilyl chloride silane,and the SiO2 samples before and after modification were separately added into tobacco or filter tips for studying their functions.The results showed that: the hydroxy group was basically disappeared from the surface of modified nanometer SiO2 and the sample exhibited h... |
| Keywords: | Cigarette smoke Nanometer material Hydrophobic modification Phenol Crotonaldehyde Selective adsorption |
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