| Title: | Novel biosorbents synthesized from fungal and bacterial biomass and their applications in the adsorption of volatile organic compounds |
| Author(s): | Cheng Z; Feng K; Su Y; Ye J; Chen D; Zhang S; Zhang X; Dionysiou DD; |
| Address: | "College of Environment, Zhejiang University of Technology, Hangzhou 310009, China. College of Environment, Zhejiang University of Technology, Hangzhou 310009, China. Electronic address: cdz@zjut.edu.cn. Environmental Engineering and Science Program, Department of Chemical and Environmental Engineering (ChEE), University of Cincinnati, Cincinnati, OH 45221-0012, USA" |
| DOI: | 10.1016/j.biortech.2019.122705 |
| ISSN/ISBN: | 1873-2976 (Electronic) 0960-8524 (Linking) |
| Abstract: | "Adsorption is an efficient and low-cost technology used to purify volatile organic compounds (VOCs). In the current study, novel microbial adsorbents were synthesized using cells of lyophilized fungi (Ophiostoma stenoceras LLC) or bacteria (Pseudomonas veronii ZW) that were modified by aminomethylation. Based on the adsorption performance and structural characterization results, the modified fungal biosorbent was the best. Its maximum adsorption capacities for ethyl acetate, alpha-pinene, and n-hexane were 620, 454, and 374 mg.g(-1), respectively, which were much higher than those of other synthesized biosorbents. The specific surface area of the fungal biosorbent was 20 m(2).g(-1), and most of the components were hydrocarbon compounds and polysaccharides. The VOC adsorption process on these synthesized biosorbents was in accordance with the Langmuir isothermal model and the pseudo-first-order kinetic model, thereby suggesting that physical adsorption was the dominant mechanism. The fungal biosorbent could be used for five consecutive VOC sorption-desorption cycles without any obvious decrease in adsorption capacity" |
| Keywords: | "Adsorption Biomass Fungi Hydrogen-Ion Concentration Kinetics *Volatile Organic Compounds *Water Pollutants, Chemical Adsorption kinetics Aminomethylation modification Fungal Microbial biosorbents VOC adsorption;" |
| Notes: | "MedlineCheng, Zhuowei Feng, Ke Su, Yousheng Ye, Jiexu Chen, Dongzhi Zhang, Shihan Zhang, Xiaomin Dionysiou, Dionysios D eng England 2020/01/12 Bioresour Technol. 2020 Mar; 300:122705. doi: 10.1016/j.biortech.2019.122705. Epub 2019 Dec 28" |
