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Preface
Table of Contents
Foundation
Hybrid Lagoon System
Case Study
Applications Proposals

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5. Characteristics and Functions of Microorganisms
(2) Denitrification Functions. (Printed in Technical Note.II)

In the 1970's, it was found that by combining aerobic and anaerobic conditions, eutrophic matter (nitrogen, phosphorus) could be efficiently removed organically by microorganisms.

Until now, the principle of activated sludge treatment methods relied on aerobic (oxidation) treatment. However, the LLSB activated sludge treatment method employs appropriate combinations of anaerobic (reducing) and aerobic (oxidizing) conditions, to make use of a complex hierarchy of microorganisms and their adaptive capacity, thereby enhancing functions for organic removal of phosphorus while enabling precise control over the organic denitrification process.

The LLSB activated sludge method is a technique for liquid waste treatment, which makes maximum use of the characteristics of microorganisms.



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