2003 Volume 68 Issue 572 Pages 69-74
We experimented on eggshell wastewater in drainage system with food waste grinder for business use, in oder to improve the transport performance by the intermittent operation of positive displacement pump. First, operationg the pump after storage water by stopping the pump, made eggshell flow by moving bed. Compared to the continuous operation, eggshell remains in pipe were 20-40% weight by the intermmitent operation also in the same amount of water supply. Two fomulas on the maximum stop times and the equivarent volumetric flux of liquid phase, were drawn. Furthermore, remains presumption fomula which also added pipe length influence were drawn.
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