Tank Bottom Sludge Separation


Technology Introduction

The oily sludge at the bottom of the tank generated by the cleaning process is first pumped into the conditioning tank by a sump pump, then heated up and stirred to achieve homogenization. The absorbed oil is desorbed or demulsified, which promotes separation of the oil from the surface of the solid particles. Static sedimentation is carried out after a certain time of stirring and homogenization. The oily sludge after conditioning is then pumped to the two-phase centrifuge for liquid-solid separation, and the separated sludge is transported to the stacking yard, while the separated liquid enters the oil-water separation system. After separation, part of the oily sewage is used as processed water, another part enters to sewage system, and the separated oil is sent to the nearby oil tank.










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