PRODUKT ZUR BEHANDLUNG VON WASSER UND ABWASSER SOWIE VERFAHREN ZUR HERSTELLUNG DES PRODUKTS

PRODUKT ZUR BEHANDLUNG VON WASSER UND ABWASSER SOWIE VERFAHREN ZUR HERSTELLUNG DES PRODUKTS

The present invention relates to a product for the treatment of water and wastewater and a process for producing said product. Said product comprises high cationic starch powder and a brine solution comprising sea water and/or salts comprising two-valent ions. The salts are preferably CaCl2 and/or C...

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Hauptverfasser: HARALDSEN, KRISTIAN, AESOY, ANETTE
Format: Patent
Sprache:ger
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CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator HARALDSEN, KRISTIAN
AESOY, ANETTE
description The present invention relates to a product for the treatment of water and wastewater and a process for producing said product. Said product comprises high cationic starch powder and a brine solution comprising sea water and/or salts comprising two-valent ions. The salts are preferably CaCl2 and/or Ca(N03)2 and/or MgCl2. The concentration of the brine solution is 5 - 50 g/l, preferably 10 - 40 g/l. The starch is preferably potato starch and has > 10 % charge density (degree of substitution). The starch concentration is 5 - 25 weight %, preferably 15 - 25 weight %. The viscosity is 300 - 10000 cP (mPa s), preferably 1000 - 5000 cP (mPa s). The product for the treatment of water and wastewater is produced by feeding a high cationic starch powder gradually into a brine solution using a high shear mixer.
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subjects CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title PRODUKT ZUR BEHANDLUNG VON WASSER UND ABWASSER SOWIE VERFAHREN ZUR HERSTELLUNG DES PRODUKTS
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