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Hydroxyapatite precipitation with Hydron Blue dye

Oubagha, Noura

Calcium phosphate, in the form of amorphous hydroxyapatite, precipitates out of neutral water solutions containing calcium and phosphate ions in the form of small agglomerates of 18 [mu]m average size. When Hydron Blue dye (HB) is added, the insoluble particles gradually agglomerate further to 50 [mu]m sizes. However, the removal capacity of hydroxyapatite for the dye is increased when the calcium phosphate nucleates and forms in the presence of dye. When coprecipitates form, the particules average 20 [mu]m size and contain up to 60% organic matter. Nascent calcium phosphate particles have strong capacity for Hydron Blue dye removal. Thus smaller calcium phosphate particles increase the amount of dye molecules in water pollution control.

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Hydroxyapatite precipitation with Hydron Blue dye

Oubagha, Noura

Calcium phosphate, in the form of amorphous hydroxyapatite, precipitates out of neutral water solutions containing calcium and phosphate ions in the form of small agglomerates of 18 [mu]m average size. When Hydron Blue dye (HB) is added, the insoluble particles gradually agglomerate further to 50 [mu]m sizes. However, the removal capacity of hydroxyapatite for the dye is increased when the calcium phosphate nucleates and forms in the presence of dye. When coprecipitates form, the particules average 20 [mu]m size and contain up to 60% organic matter. Nascent calcium phosphate particles have strong capacity for Hydron Blue dye removal. Thus smaller calcium phosphate particles increase the amount of dye molecules in water pollution control.

Hydroxyapatite precipitation with Hydron Blue dye

Oubagha, Noura

Calcium phosphate, in the form of amorphous hydroxyapatite, precipitates out of neutral water solutions containing calcium and phosphate ions in the form of small agglomerates of 18 [mu]m average size. When Hydron Blue dye (HB) is added, the insoluble particles gradually agglomerate further to 50 [mu]m sizes. However, the removal capacity of hydroxyapatite for the dye is increased when the calcium phosphate nucleates and forms in the presence of dye. When coprecipitates form, the particules average 20 [mu]m size and contain up to 60% organic matter. Nascent calcium phosphate particles have strong capacity for Hydron Blue dye removal. Thus smaller calcium phosphate particles increase the amount of dye molecules in water pollution control.

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Title:

Hydroxyapatite precipitation with Hydron Blue dye

Contributors:

Oubagha, Noura (author) / Lemlikchi, Wahiba / Sharrock, Patrick / Fiallo, Marina / Mecherri, Med Oimar

Published in:

Journal of environmental management ; 203

Publication date:

2017

ISSN:

DOI:

https://doi.org/10.1016/j.jenvman.2016.09.039

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Großbritannien , Nachhaltige Regionalentwicklung , Nachhaltige Entwicklung , Welt , Umweltbezogenes Management , Umwelttechnik , Umweltschutz , Zeitschrift , Naturschutz , Management

Classification:

BKL: 43.00

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