单选题Which of the following methods can not remove the non-separable emulsified oil in bilge water?（）Agravity separationBuse of adsorbentsCuse of flocculentsDuse of chemical addition
单选题
Which of the following methods can not remove the non-separable emulsified oil in bilge water?（）
A
gravity separation
B
use of adsorbents
C
use of flocculents
D
use of chemical addition
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