Cloud-point measurement for (sulphate salts + polyethylene glycol 15000 + water) systems by the particle counting method |
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| Authors: | A. Imani H. Modarress A. Eliassi M. Abdous |
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| Affiliation: | 1. Department of Chemistry, Amirkabir University of Technology, Tehran, Iran;2. Department of Chemical Engineering, Amirkabir University of Technology, Tehran, Iran;3. Chemical Industries Research Department, Iranian Research Organization for Science and Technology (IROST), Tehran, Iran |
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| Abstract: | The phase separation of (water + salt + polyethylene glycol 15000) systems was studied by cloud-point measurements using the particle counting method. The effect of three kinds of sulphate salt (Na2SO4, K2SO4, (NH4)2SO4) concentration, polyethylene glycol 15000 concentration, mass ratio of polymer to salt on the cloud-point temperature of these systems have been investigated. The results obtained indicate that the cloud-point temperatures decrease linearly with increase in polyethylene glycol concentrations for different salts. Also, the cloud points decrease with an increase in mass ratio of salt to polymer. |
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