Characterization, treatment, and alternative use of the stormwater generated from a logistics industry
摘要
Stormwater runoff from industries has negative effects on sewer systems, surface water bodies, and the water cycle. Many different treatment technologies are studied and applied to minimize these effects. Draining industrial stormwater to sewers leads also to the wasting of water that could otherwise be used in various processes within industries. This study aims to analyze the pollutants found in the stormwater collected from the warehouse of a logistics company and to evaluate its potential utilization for various on-site applications after proper treatment. For this purpose, samples were collected during various rain events and parameters including COD, pH, TDS, and TSS were measured. Effectiveness of coagulation, flocculation, settling, and filtration was tested at laboratory scale. Also, the effectiveness of additional treatment units such as activated carbon and reverse osmosis was tested by using a projection software. Stormwater yields in the facility were calculated and compared with the annual water demand. Stormwater could be brought to a final quality suitable for use in on-site applications. Further, with an alternative design, stormwater could be brought to a quality suitable for drinking in disaster cases such as the earthquakes occurring in Türkiye. Just the stormwater of this single facility could provide the annual potable water demand of 100 people. Thus, the results of this study highlight that further use of stormwater will have benefits for the society in addition to water/cost savings in an industry.