Förfarande för att avvattna ett mineralslamskoncentrat och för att öka produktionen av en filterkaka

Förfarande för att avvattna ett mineralslamskoncentrat och för att öka produktionen av en filterkaka

The present invention provides a process for dewatering a mineral slurry concentrate and increasing the production of the resulting filter cake consisting essentially of mixing an aqueous mineral slurry concentrate with an effective amount of a nonionic surfactant and an effective amount of a cation...

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Hauptverfasser: CHARLES R SUNDBERG, RUTA O RAKUTIS, TODD W GROFF, KEITH C HOVLAND, MONICA A YORKE, MICHAEL P LESAR
Format: Patent
Sprache:swe
Schlagworte:
MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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creator CHARLES R SUNDBERG
RUTA O RAKUTIS
TODD W GROFF
KEITH C HOVLAND
MONICA A YORKE
MICHAEL P LESAR
description The present invention provides a process for dewatering a mineral slurry concentrate and increasing the production of the resulting filter cake consisting essentially of mixing an aqueous mineral slurry concentrate with an effective amount of a nonionic surfactant and an effective amount of a cationic polymer to form a nonionic surfactant and cationic polymer treated aqueous mineral slurry concentrate, and subjecting the treated aqueous mineral slurry concentrate to a liquid water removal process for dewatering the treated aqueous mineral slurry and for increasing the production of a resulting filter cake of the dewatered mineral slurry. An improved mineral slurry concentrate composition and an improved mineral concentrate filter cake is also disclosed.
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subjects MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
title Förfarande för att avvattna ett mineralslamskoncentrat och för att öka produktionen av en filterkaka
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