[article]
| Titre : |
Double-hydrophilic block copolymer as an effective and environmentally friendly inhibitor for phosphate and carbonate scales in cooling water systems |
| Type de document : |
texte imprimé |
| Auteurs : |
Lei Ling, Auteur ; Guangqing Liu, Auteur ; Jingyi Huang, Auteur ; Huchuan Wang, Auteur ; Yuming Zhou, Auteur ; Qingzhao Yao, Auteur ; Ke Cao, Auteur ; Yahui Liu, Auteur ; Ying Tu, Auteur ; Xingkai Zhou, Auteur ; Wei Sun, Auteur ; Wendao Wu, Auteur |
| Année de publication : |
2013 |
| Article en page(s) : |
p. 14-20 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Carbonate de calcium Le carbonate de calcium (CaCO3) est composé d'un ion carbonate (CO32-) et d'un ion calcium (Ca2+), sa masse molaire est de 100,1 g/mole.
C'est le composant principal du calcaire et de la craie, mais également du marbre. C'est aussi le principal constituant des coquilles d'animaux marins, du corail et des escargots.
Copolymères séquencés
Hydrophilie
Inhibiteurs (chimie)
Phosphate de calcium
Polyéthylène glycol d'Allyloxy
|
| Index. décimale : |
668.1 Agents tensioactifs : savons, détergents |
| Résumé : |
In this paper, a series of linear-dendritic block copolymers allyloxy poly(ethylene glycol) polyglycerol (APEG-PG-(OH)n) copolymer, was synthesized by anionic polymerization of glycerol using allyloxy poly(ethylene glycol) (APEG). The polymers were characterized by FT-IR and 1H NMR. The polymers were tested as novel environment-friendly inhibitors for industrial cooling water circulation. The performance of AA/APEG-PG-(OH)n on inhibition of calcium phosphate and calcium carbonate precipitation was studied by static scale inhibition tests. It was shown that AA/APEG-PG-(OH)n exhibited excellent ability to control inorganic minerals, with approximately 99% calcium phosphate inhibition and 85% calcium carbonate inhibition at levels of 4 and 10 mg/L AA/APEG-PG-(OH)n, respectively. The effect on formation of calcium phosphate and calcium carbonate was investigated with combination of scanning electronic microscopy (SEM), transmission electron microscopy (TEM), X-ray powder diffraction (XRD) analysis, respectively. |
| Note de contenu : |
- EXPERIMENTAL : Materials and characterization - Measurements - Synthesis - Precipitation conditions
- RESULTS AND DISCUSSION : Characterization of APEG-PG-(OH)n - Characterization of AA/APEG-PG-(OH)n - Effect of inhibitor on calcium phosphate scales - Effect on inhibitor on calcium carbonates scales - Inhibition mechanism toward calcium phosphate and calcium carbonate scales - |
| DOI : |
10.3139/113.110225 |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17144 |
in TENSIDE, SURFACTANTS, DETERGENTS > Vol. 50, N° 1 (01-02/2013) . - p. 14-20
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