School of Life Science, Liaoning Normal University, Dalian 116081, China.
Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China.
Bioresour Technol. 2015 Aug;190:159-66. doi: 10.1016/j.biortech.2015.04.075. Epub 2015 Apr 28.
In this study, zeolite-biological aerated filters (Z-BAFs) bioaugmented by free and magnetically immobilized cells of Arthrobacter sp. W1 were designed to treat coking wastewater containing high concentrations of phenol and naphthalene along with carbazole (CA), dibenzofuran (DBF), and dibenzothiophene (DBT). All treatments were carried out for a period of 100days and the data indicated that bioaugmented Z-BAFs with magnetically immobilized cells was most efficient for treating coking wastewaters. Illumina high-throughput sequencing was used to reveal the microbial community structures of Z-BAFs. Both bioaugmentation treatments could accelerate the shift of the bacterial community structures. The introduced strain W1 remained dominant in the bioaugmented Z-BAFs with magnetically immobilized cells, indicating both strain W1 and the indigenous degrading bacteria played the most significant role in the treatment. Overall, bioaugmented Z-BAF with magnetically immobilized cells can be used to efficiently degrade phenol, naphthalene, CA, DBF, and DBT in coking wastewater.
在这项研究中，设计了沸石-生物曝气滤池（Z-BAF），并用自由和磁性固定化的节杆菌 sp. W1 细胞进行生物增强，以处理含有高浓度苯酚、萘以及咔唑（CA）、二苯并呋喃（DBF）和二苯并噻吩（DBT）的焦化废水。所有处理均进行了 100 天，数据表明，磁性固定化细胞的生物增强 Z-BAF 对处理焦化废水最有效。Illumina 高通量测序用于揭示 Z-BAF 的微生物群落结构。两种生物增强处理都可以加速细菌群落结构的转变。引入的 W1 菌株在磁性固定化细胞的生物增强 Z-BAF 中仍然占主导地位，这表明 W1 菌株和土著降解菌在处理过程中发挥了最重要的作用。总的来说，磁性固定化细胞的生物增强 Z-BAF 可用于有效降解焦化废水中的苯酚、萘、CA、DBF 和 DBT。
