WATER SEPARATION FROM SLUDGE

A process for separating a sludge stream containing particulate matter into a stream containing predominantly clarified water and a stream containing predominantly particulate matter is disclosed. The process involves passing the sludge stream through a solid reagent contactor bed composed of solid...

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Bibliographic Details
Main Author ROA-ESPINOSA, AICARDO
Format Patent
LanguageEnglish
French
Published 11.01.2018
Subjects
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:A process for separating a sludge stream containing particulate matter into a stream containing predominantly clarified water and a stream containing predominantly particulate matter is disclosed. The process involves passing the sludge stream through a solid reagent contactor bed composed of solid reagent tablets having a copolymer composition for particle aggregation as described in US Patent number 8076391. The dissolution of the solid reagent tablets into the sludge stream treats the sludge and makes it amenable for the speedy settling of concentrated sludge at the bottom of a sludge concentrator tank leaving a relatively clean water phase to rise to the top. The process is particularly useful for recovering water from mining sludge.
Bibliography:Application Number: CA20162945775