Oxygen and decomposition
Aerobic bacteria decompose various organic substances in wastewater into carbon dioxide, water and various salts through aerobic respiration. When oxygen becomes scarce, gases such as methane, phosphine and hydrogen sulfide are generated due to the action of anaerobic bacteria, resulting in odor, and a large space is required for a long period of time to treat large amounts of wastewater due to a slow reaction.
Necessity of an oxygen generator
The fraction of each gas in the atmosphere Solubility of each gas N2 0.7808 0.00001274 O2 0.2095 0.00002501 Ar 0.0093 0.00002748 CO2 0.00035 0.000707
The conventional extended aeration process has a simple system,
but consumes high energy, because 66.6% of the energy consumed is used to dissolve other gases in water.
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