Next Article in Journal
Metocean Criteria for Internal Solitary Waves Obtained from Numerical Models
Previous Article in Journal
Sustainable Economic Solution to Prevent the Wasted Cold Water in the Start of Shower Time Using Low Cost In-Line Electrical Heater with MISO Fuzzy Logic Controller
Article

Express-Method for Determination of the Oxidizing Capacity of Activated Sludge and Its Biofilms in Pulp and Paper Mill

Department of Biology, Ecology and Biotechnology, Northern (Arctic) Federal University, Northern Dvina Embankment 17, 163002 Arkhangelsk, Russia
*
Author to whom correspondence should be addressed.
Academic Editor: Antonio Zuorro
Water 2021, 13(11), 1553; https://doi.org/10.3390/w13111553
Received: 16 April 2021 / Revised: 26 May 2021 / Accepted: 30 May 2021 / Published: 31 May 2021
Microbial dehydrogenase activity can help to determine the oxidizing capacity of activated sludge. Here we propose an innovative and automated express-method based on rapid determination of dehydrogenase activity. The measurement is based on the rate of methylene blue reduction by living microbial cells in suspension. A single analysis takes 10 min. The method was adapted for biofilms immobilized on the floating carriers of industrial bioreactors and the kinetics of biological oxidation by activated sludge and biofilms was compared. New parameters were proposed to characterize the biological oxidation under low oxygen levels. The obtained make it possible to quickly determine the dehydrogenase activity of activated sludge and biofilms and promptly monitor the effectiveness of industrial biological wastewater treatment. View Full-Text
Keywords: dehydrogenase activity; oxidizing capacity; activated sludge; biofilm; biological wastewater treatment dehydrogenase activity; oxidizing capacity; activated sludge; biofilm; biological wastewater treatment
Show Figures

Figure 1

MDPI and ACS Style

Chukhchin, D.; Varakin, E.; Rudakova, V.; Vashukova, K.; Terentyev, K. Express-Method for Determination of the Oxidizing Capacity of Activated Sludge and Its Biofilms in Pulp and Paper Mill. Water 2021, 13, 1553. https://doi.org/10.3390/w13111553

AMA Style

Chukhchin D, Varakin E, Rudakova V, Vashukova K, Terentyev K. Express-Method for Determination of the Oxidizing Capacity of Activated Sludge and Its Biofilms in Pulp and Paper Mill. Water. 2021; 13(11):1553. https://doi.org/10.3390/w13111553

Chicago/Turabian Style

Chukhchin, Dmitry, Evgeniy Varakin, Vera Rudakova, Ksenia Vashukova, and Konstantin Terentyev. 2021. "Express-Method for Determination of the Oxidizing Capacity of Activated Sludge and Its Biofilms in Pulp and Paper Mill" Water 13, no. 11: 1553. https://doi.org/10.3390/w13111553

Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Back to TopTop