Optimizing Transportation of Co-Treatment Sites (IMAGE)
Caption
This is the total distance traveled for each optimization scenario, including a single co-treatment location up to five co-treatment sites. The optimum locations of co-treatment sites are indicated by yellow triangles and were determined by grouping all five counties together (single location) or four, three, two, and one county, respectively, located in Southwest Pennsylvania. For the case of two co-treatment sites, Allegheny, Washington, and Greene counties are combined as one region and Fayette and Westmoreland as the other region since this grouping results in minimum total transportation distance compared to other two-region combinations. For the case of three co-treatment plants, Washington and Allegheny counties are combined as one region, Fayette and Greene are combined as the second region, and Westmoreland county represents the third region. For the case of four co-treatment sites, Washington and Allegheny are combined as one region while Westmoreland, Fayette, and Greene counties represent the three other regions.
Credit
Leanne Gilbertson. Reprinted with permission from Environmental Science & Technology. Copyright 2018 American Chemical Society.
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