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Formation of Granular Aerobic Sludge under Low Organic Matter Concentrations
https://doi.org/10.18412/1816-0395-2026-6-34-39
Abstract
Technological parameters acting as selection factors of granular aerobic sludge in sequencing batch and continuous-flow reactors at different COD concentrations were analyzed. Key aspects of granulation are considered: substrate availability periodicity, hydrodynamic conditions in the treatment bioreactor, and directed gravitational selection of biomass. It is shown that the quantitative and qualitative composition of extracellular polymeric substances (EPS) serves as an indicator of granule stability and robustness. Important factors for the technology are identified: the presence of granule-forming substrates and the degree of their conversion into extracellular polymeric substances (EPS). Recent advances in the application of granular aerobic sludge in continuous-flow reactors are summarized, and the main barriers hindering their industrial implementation are identified.
About the Authors
D. I. Sakayan
D.I. Mendeleev Russian University of Chemical Technology
Russian Federation
Russian Federation
Post-graduate Student
N. S. Khokhlachev
Gazprom VNIIGAZ LLC
Russian Federation
Russian Federation
Cand. Sci. (Eng.), Head of Laboratory
S. V. Kalenov
D.I. Mendeleev Russian University of Chemical Technology
Russian Federation
Russian Federation
Dr. Sci. (Eng.), Professor
L. S. Sokolova
D.I. Mendeleev Russian University of Chemical Technology
Russian Federation
Russian Federation
Post-graduate Student
M. D. Kharlamova
Institute of Ecology, Peoples’ Friendship University of Russia
Russian Federation
Russian Federation
Cand. Sci. (Chem.), Associate Professor
A. V. Lukanin
GIPROBIOSINTEZ LLC
Russian Federation
Russian Federation
Dr. Sci. (Eng.), Advisor to the General Director
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Review
For citations:
Sakayan D.I., Khokhlachev N.S., Kalenov S.V., Sokolova L.S., Kharlamova M.D., Lukanin A.V. Formation of Granular Aerobic Sludge under Low Organic Matter Concentrations. Ecology and Industry of Russia. 2026;30(6):34-39. (In Russ.) https://doi.org/10.18412/1816-0395-2026-6-34-39
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