ODOR ELIMINATION IN A COLLECTION SYSTEM UTILIZING OXYGEN HOUSTON COLLECTION SYSTEM The City of Houston and BlueInGreen partnered to determine the effects of dissolved oxygen on hydrogen sulfide (H2S) within the city’s sewer collection system. The city regularly received odor complaints from a particular location and wanted to mitigate the odor problem by dissolving oxygen into the wastewater to reduce hydrogen sulfide levels. Histori

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