| 摘要 |
This invention is a process for controlling odor and septicity of sewage or wastewater and for purifying sewage or wastewater by biological active substances, A source of sulfur dioxide is added to sewage or wastewater along with metal catalyst and sewage or wastewater is aerated. The effect of this treatment is to reduce the generation of hydrogen sulfide and the odor and corrosion associated with this compound and to reduce the need for aeration in the treatment of sewage or wastewater and to purify sewage or wastewater by increasing the metabolic activities of biological active substances added therein, This results in substantial savings in aeration costs.
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