Method for treating tungsten-containing liquid and apparatus for treating tungsten-containing liquid

JP7865439B1Active Publication Date: 2026-05-26KURITA WATER INDUSTRIES LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
KURITA WATER INDUSTRIES LTD
Filing Date
2025-08-18
Publication Date
2026-05-26

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Abstract

To efficiently recover tungsten from tungsten-containing liquids as a valuable resource. [Solution] A method for treating a tungsten-containing liquid, comprising a coagulation step of coagulating the tungsten-containing liquid with an inorganic coagulant, a solid-liquid separation step of solid-liquid separating the coagulated sludge obtained in the coagulation step, and a dewatering step of dewatering the separated sludge obtained in the solid-liquid separation step to separate it into dewatered sludge and dewatered filtrate, wherein in the dewatering step, the permeability is 40 cm 3 / cm 2 A method for treating a tungsten-containing liquid, characterized by dewatering by compression using a filter cloth with a minimum water content of / min or less.
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