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RECOVERING ELEMENTAL PHOSPHORUS FROM PHOSPHORUS-CONTAINING WASTE MATERIAL
RECOVERING ELEMENTAL PHOSPHORUS FROM PHOSPHORUS-CONTAINING WASTE MATERIAL
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机译:从含磷废料中回收元素磷
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摘要
The invention is directed to a process for recovering elemental phosphorus values from phosphorus-containing waste materials. The process comprises reducing the size of the solid particulate materials of the sludge and forming a uniform homogenous sludge which is filtered through a high-pressure thin-cake filter resulting in a filtrate high in phosphorus values. The invention also discloses a pump retrieval means for retrieving the sludge from contaminated disposal areas and a preconditioning dewatering means for thickening and clarifying the sludge prior to comminuting the solids contained therein and filtrating to recover the phosphorus values contained therein.
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