Integrated microalgal technology for remediation and valorization of industrial high-strength organic wastewater

Minmin Pan*

*Corresponding author for this work

Research output: Book/ReportPh.D. thesis

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Abstract

This Ph.D. study mainly focused on the development and investigation of innovative microalgal technology for the treatment and re-utilization of industrial high-strength organic wastewater. Representatives of tetracycline-containing wastewater (in high concentrations) and potato juice wastewater were explored for their remediation and valorization potentials by single or integrated microalgal technology. Firstly, cyanobacteria (M. aeruginosa) was successfully extended as an efficient and safe remediation approach of tetracycline-containing wastewater (in high concentrations). Then, microalgal species were screened with a high-throughput method for their growth with different carbon sources. Afterwards, methanation and acidification processes were employed for the pre-treatment of potato juice wastewater, of which, the effluents were applied for the cultivation of H. pluvialis (screened species) and astaxanthin production. Finally, a three-chamber BES was developed for nutrients upcycling and pollutants remediation of potato juice wastewater. As by-products, clean biomass of C. vulgaris was obtained through such three-chamber BES. In summary, this project has broadened the use of cyanobacteria for the treatment of PPCPs, and developed integrated engineering approaches for high-strength organic wastewater treatment and microalgal cultivation.
Original languageEnglish
Place of PublicationKgs. Lyngby
PublisherTechnical University of Denmark
Number of pages46
Publication statusPublished - 2021

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