蒸汽改性生物炭填料强化生物滤池对丙酮、二甲苯和氨的去除

IF 1 4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Journal of Environmental Engineering and Landscape Management Pub Date : 2022-10-10 DOI:10.3846/jeelm.2022.17412

Luiza Usevičiūtė, E. Baltrėnaitė-Gedienė, P. Baltrėnas, S. Dutta

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引用次数: 2

摘要

研究了鼠李糖脂溶液对蒸汽改性生物炭在毛细管过滤系统中对不同挥发性有机和无机化合物(丙酮、二甲苯、氨)的短期去除效果。水蒸气改性松木生物炭对空气中丙酮和氨类化合物的去除率分别达到93%和96%。生物炭具有较高的平均毛细半径、含水率和较低的空气流速。然而，改性生物炭对二甲苯的去除率要低得多，达到72%。这可以用其较高的亨利常数、疏水性和无极性来解释。

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ACETONE, XYLENE AND AMMONIA REMOVAL ENHANCEMENT IN THE BIOFILTER PACKED WITH STEAM MODIFIED BIOCHAR

The present study evaluated short-time effect of steam modified biochar with rhamnolipid solution on the removal of different volatile organic and inorganic compounds (acetone, xylene, ammonia) in biofilter with capillary system. Modification of pine wood biochar with steam governed better treatment of pollar acetone and ammonia compounds from the air stream with removal efficiencies of 93% and 96%, respectively. It was related to biochar’s higher average capillary radius, moisture content and lower air velocity. However, removal of xylene was much lower and reached 72% in the case of modified biochar. It can be explained by its higher Henry’s constant, hydrophobicity and non-polarity.

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来源期刊

Journal of Environmental Engineering and Landscape Management 环境科学-环境科学

CiteScore

1.90

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Environmental Engineering and Landscape Management publishes original research about the environment with emphasis on sustainability.