Abstract
The influence of temperature on particle size distribution of chalk suspension in the presence of a thermosensitive flocculant based on N-isopropylacrylamide and 3-(acryloyloxy)propanoic acid was investigated. No aggregation was observed at room temperature upon the addition of the polymer. When the system was heated, flocculation took place and the mean particle diameter was found to be temperature dependent. The polymer dosage influence on the process was examined. In higher polymer concentration the investigated process was fully reversible, i.e. aggregates broke upon cooling. The possibility to control particle size by temperature adjustment is discussed and the process' model is proposed.
| Original language | English |
|---|---|
| Pages (from-to) | 1-6 |
| Number of pages | 6 |
| Journal | Powder Technology |
| Volume | 201 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Jul 2010 |
Keywords
- Flocculation
- Hydrophobic interaction
- N-isopropylacrylamide
- Suspension control
- Temperature-sensitive flocculation
- Thermosensitive polymer
ASJC Scopus subject areas
- General Chemical Engineering
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