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252     Gas Wettability of Reservoir Rock Surfaces with Porous Media




                             Table 6.28  Wastewater Determination Results of Degreased Solid Waste
                                        in Yihe 2AH Well and Sangta 2 10 Well

                             Well Number                   Index After Wastewater Treatment
                                                     COD       Petroleum     Water Suspension
                                                     (mg/L)    (mg/L)        (mg/L)
                             Wastewater of Yihe 2AH  93        6.4           10
                             well
                             Wastewater of Sangta    47        4.2           12
                             2 10 well
                             GB8978-1996             150       10            200




                             Table 6.29  Waste Leachate Testing Results of Degreased Oily Solid
                                        Waste in Yihe 2AH Well and Sangta 2 10 Well

                             Well       Leachate Testing Index When the Waste Reside is Solidified
                             Number
                                      pH   COD    Petroleum As      Hg     Cr     Pb     Cd
                                           (mg/L) (mg/L)     (mg/L) (mg/L) (mg/L) (mg/L) (mg/L)
                             Leachate 6    37         4.3                   0.13   0.12
                             of Yihe
                             2AH well
                             Leachate 6    24         3.7                   0.07   0.18
                             of Sangta
                             2 10
                             well
                             GB8978- 6B9 100         10      0.5    0.05    0.5    1.0   0.1
                             1996




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