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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||210/709 ; 210/740|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 18 인용 특허 : 3|
The operation of a continuous thickener, clarifier, or similar device having a feed well into which a feed slurry of suspended solids and a flocculant are continually introduced to effect separation of the slurry into a clarified solution which is withdrawn through an overflow launder and a thickened sludge which is transported into a discharge port at the bottom of the unit is controlled by establishing the slime level at a point near the bottom of the feed well, continuously monitoring the density of the downflowing slurry within the well, and regulati...
A method for controlling the operation of a continuous gravity sedimentation unit having a feed well into which a slurry of suspended solids and a flocculating agent are introduced to effect separation of said slurry into a clarified solution that is recovered from said unit as an overflow liquid and a sludge that is withdrawn from the bottom of said unit whereby consumption of flocculating agent is reduced comprising the steps of establishing a slime level within a predetermined optimum distance from the bottom of said feed well by varying the flow rate...