Supporting Information for Impact of Water Quality and Operational Factors on Microcystin Removal by PAC

Description

This data set contains supporting information for an article titled: Impact of Water Quality and Operational Factors on Microcystin Removal by Powdered Activated Carbon. This article was published in AWWA Water Science. The article abstract is as follows: The feasibility of using a 26-1 fractional factorial design to screen the relative importance of six water quality and operational factors in the removal of microcystin-LR (MC-LR) by PAC was evaluated through jar testing. The factors were: PAC type, PAC dose, TOC concentration, turbidity, alum dose, and timing of PAC versus coagulant application. Follow-up tests were performed to examine the interaction of PAC dose and TOC concentrations. All MC-LR analyses were performed by ELISA and LC/MS/MS. The top three effect magnitudes were the same by ELISA and LC/MS/MS: PAC dose > PAC type > PAC application time. Correlation coefficients between removals estimated by ELISA and LC/MS/MS were > 0.9 (p << 0.05). With both methods, the effects of PAC type and dose were found to be markedly larger than the other factors. The follow-up tests indicated a greater impact of PAC dose at higher NOM concentrations. Factorial designs are not commonly used to plan drinking water jar test experiments. The results generated in this study were plausible with respect to the existing body of adsorption knowledge, thus helping to demonstrate the feasibility of the factorial approach. This dataset is associated with the following publication: Alexander, M., T. Waters, M. McNeely, T. Speth, and N. Dugan. Impact of water quality and operational factors on microcystin removal by powdered activated carbon. AWWA Water Science. John Wiley & Sons, Inc., Hoboken, NJ, USA, 6(3): 1372, (2024).

Resources

Name Format Description Link
53 Impact%20of%20Water%20Quality%20and%20Operational%20Factors%20on%20Microcystin%20Removal%20by%20PAC%20Science%20Hub%20Information.xlsx https://pasteur.epa.gov/uploads/10.23719/1530985/Impact%20of%20Water%20Quality%20and%20Operational%20Factors%20on%20Microcystin%20Removal%20by%20PAC%20Science%20Hub%20Information.xlsx
10 Impact%20of%20Water%20Quality%20and%20Operational%20Factors%20on%20Microcystin%20Removal%20by%20PAC%20Glossary.docx https://pasteur.epa.gov/uploads/10.23719/1530985/Impact%20of%20Water%20Quality%20and%20Operational%20Factors%20on%20Microcystin%20Removal%20by%20PAC%20Glossary.docx

Tags

  • nitrogen-and-co-pollutants
  • activated-carbon
  • drinking-water-treatment
  • microcystin
  • harmful-algal-blooms

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