Effect of temperature and use of different coagulants on particles formation in water treatment
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26310%2F10%3APU89953" target="_blank" >RIV/00216305:26310/10:PU89953 - isvavai.cz</a>
Výsledek na webu
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DOI - Digital Object Identifier
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Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Effect of temperature and use of different coagulants on particles formation in water treatment
Popis výsledku v původním jazyce
The paper presents results of coagulation experiments dealing with the influence of temperature upon particles aggregation in treatment of humic water. Different aluminium coagulants and biopolymer chitosan were used as coagulant. Biopolymer chitosan isan emerging coagulant, applicable in water treatment. Most of amine groups of chitosan in acetic solution are protonated and they can attract particles with negative surface charge (e. g. humic substances, bacteria, macromolecules). The results show thatcoagulation efficiency and optimal dose of chitosan are dependent on pH. Coagulation with aluminium sulphate was negatively influenced by low water temperature, but results with chitosan and prepolymerised aluminium coagulants were hardly affected by low temperature. This is very important for drinking water treatment as alternative coagulants to aluminium sulphate could assist to overcome problems in cold water treatment with aluminium sulphate in existing waterworks.
Název v anglickém jazyce
Effect of temperature and use of different coagulants on particles formation in water treatment
Popis výsledku anglicky
The paper presents results of coagulation experiments dealing with the influence of temperature upon particles aggregation in treatment of humic water. Different aluminium coagulants and biopolymer chitosan were used as coagulant. Biopolymer chitosan isan emerging coagulant, applicable in water treatment. Most of amine groups of chitosan in acetic solution are protonated and they can attract particles with negative surface charge (e. g. humic substances, bacteria, macromolecules). The results show thatcoagulation efficiency and optimal dose of chitosan are dependent on pH. Coagulation with aluminium sulphate was negatively influenced by low water temperature, but results with chitosan and prepolymerised aluminium coagulants were hardly affected by low temperature. This is very important for drinking water treatment as alternative coagulants to aluminium sulphate could assist to overcome problems in cold water treatment with aluminium sulphate in existing waterworks.
Klasifikace
Druh
O - Ostatní výsledky
CEP obor
DJ - Znečištění a kontrola vody
OECD FORD obor
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Návaznosti výsledku
Projekt
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Návaznosti
S - Specificky vyzkum na vysokych skolach
Ostatní
Rok uplatnění
2010
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů