室内观赏植物对甲醛、苯和TVOC污染的响应

Response of Indoor Ornamental Plants to Formaldehyde,Benzene and TVOC Pollution

采用密闭熏气法模拟居室装修后的甲醛、苯和总挥发性有机物(TVOC)污染环境,对10组常见室内观赏植物进行熏气处理,以熏气8h后植物单位叶面积吸污量及外观形态变化作为指标,评价了不同植物组合对污染物的净化效果和抗性能力。结果显示,被测植物组合在一定程度上均可有效吸收甲醛、苯和TVOC,不同植物组合在熏气处理后表现出不同程度的受害反应,综合分析结果表明库拉索芦荟+君子兰、龙血树+金边瑞香、白鹤芋+孔雀竹芋、天竺葵+长寿花、绿宝石喜林芋+春羽对甲醛、苯和TVOC的综合净化能力和抗性较好,且差异显著(p<0.05)。

10 groups of indoor ornamental plants were evaluated for their effectiveness in reducing formaldehyde, benzene and TVOC pollution in a simulated indoor environment, the absorption capacities and physiological responses were compared based on the absorption rate per leaf area after 8 hours＇ stress treatment. The results showed that all the ten kinds of ornamental plant societies can absorb formaldehyde, benzene and TVOC in the air, but their absorption capacity varies with each kind, and the resistances were different. According to the net ratio of absorption and the resistance measured in the experiment, Aloe barbadensis＋ Clivia miniata, Dracaena angustifolia ＋ Daphne odora, Spathiphyllum koehii ＋ Calathea makoyana , Pelargonium hortorum ＋ Kalanchoe bloss f eldiana and Philodendron erubescens cv. green emer- ald ＋ Philodenron selloum had both higher purifying capacities and higher anti-stress abilities, as well as a striking difference when compared to the other groups （p 〈 0. 05）, that were suitable to be used in indoor decoration.