数字农科院2.0

Direct Purification of Digestate Using Ultrafiltration Membranes: Influence of Pore Size on Filtration Behavior and Fouling Characteristics

文献类型： 外文期刊

作者： Caide Yue;Hongmin Dong;Yongxing Chen;Bin Shang;Yi Wang;Shunli Wang;Zhiping Zhu

作者机构：

关键词： Chemical cleaning; Digestate; Membrane flux; Membrane fouling; Pore size; Ultrafiltration

期刊名称： Membranes

ISSN： 2077-0375

年卷期： 2021 年 11 卷 3 期

页码：

收录情况： JCR（2021版） ; EI（2021版）

摘要： Ultrafiltration (UF) can effectively remove large particles, suspended solids, and colloidal substances from anaerobic digestate. However, membrane fouling is a technical challenge in the purification of the digestate by UF. In this study, polyethersulfone (PES) membranes with four pore sizes (50.0, 20.0, 10.0 and 5.0 kDa) were employed to filter anaerobic digestate from swine manure. The effects of temperature, transmembrane pressure (TMP), and cross-flow velocity (CFV) on flux were investigated. The purification effects and fouling characteristics of the four membranes were analyzed. The results revealed that the increase of temperature and CFV can effectively promote UF separation efficiency, but as the TMP exceeded 3.0 bar, the flux increase rates of the four membranes were almost zero. The larger membrane pore size caused the faster flux increase with the increase in pressure. During the batch experiment, the 20.0 kDa membrane showed the lowest flux maintenance ability, while the 5.0 kDa showed the highest ability due to the smaller pore size. All four membranes can effectively remove tetracyclines residues. Elements C, O, and S were the major membrane foulant elements. The dominant bacteria orders of membrane fouling were Pseudomonadales, Xanthomonadales and Burkholderiales. Compared with tap water and citric acid, the membrane cleaning by NaOH and NaClO showed higher flux recovery rates. The 50.0 kDa membrane achieved the best cleaning effects under all cleaning methods. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

分类号：

  • 相关文献

[1]Direct Purification of Digestate Using Polymeric Ultrafiltration Membranes: Influence of Materials on Filtration Behavior and Fouling Characteristics. Yue C., Chen Y., Zhang W., Zheng Y., Hu X., Shang B.. 2022

[2]Nitrogen Release Characteristics Of Polyethylene-Coated C.ontrolled-Release Fertilizers And Their D ependence On Membrane Pore Structure. Yang, XD, Jiang, RF, Lin, YZ, Li, YT, Li, J, Zhao, BQ. 2018

[3]Efficient catalytic transfer hydrogenation of furfural to furfuryl alcohol over Zr-doped ordered mesoporous carbon synthesized by Zr-arbutin coordinated self-assembly. Xu Y., Liu X., Guo H., Qiu M., Qi X.. 2023

[4]In-depth insights into the temporal-based fouling mechanism and its exploration in anaerobic membrane bioreactors: A review. Wang T., Jin Z., Yang Y., Ma J., Aghbashlo M., Zhang H., Sun S., Tabatabaei M., Pan J.. 2022

[5]Characterization Of Volatile Organic Compound (.Voc) Emissions From Swine M anure Biogas Digestate Storage. Zhang, Y, Zhu, ZP, Zheng, YH, Chen, YX, Yin, FB, Zhang, WQ, Dong, HM, Xin, HW. 2019

[6]Analysis Of Xanthine Oxidase Inhibitors F.rom Puerariae Flos Using C entrifugal Ultrafiltration Coupled With Hplc-Ms. Liu, LL, Xiao, AP, Ma, L, Li, DF. 2017

[7]Screening And Evaluation Of Xanthine O.xidase Inhibitors From Gnetum P arvifolium In China. Tang, XS, Tang, P, Ma, L, Liu, LL. 2019

[8]The Combined Process Of Paper F.iltration And Ultrafiltration For T he Pretreatment Of The Biogas Slurry From Swine Manure. Zhan, YH, Dong, HM, Yin, FB, Yue, CD. 2018

作者其他论文 更多>>