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Pregled bibliografske jedinice broj: 360831

The effect of anionic 831A flocculent on the sedimentation of magnesium hydroxide obtained from seawater


Martinac, Vanja; Labor, Miroslav; Gadžo, Zrinka; Petric, Nedjeljka
The effect of anionic 831A flocculent on the sedimentation of magnesium hydroxide obtained from seawater // Proceedings of the 10th International Conference on Materials, Processes, Friction and Wear / Grilec, Krešimir ; Marić, Gojko ; Jakovljević, Suzana (ur.).
Zagreb: Hrvatsko društvo za materijale i tribologiju (HDMT), 2008. str. 183-190 (poster, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


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Naslov
The effect of anionic 831A flocculent on the sedimentation of magnesium hydroxide obtained from seawater
(The effect of anionic 831A flocculent on the sedimentation of magnesium hydroxide obtained)

Autori
Martinac, Vanja ; Labor, Miroslav ; Gadžo, Zrinka ; Petric, Nedjeljka

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of the 10th International Conference on Materials, Processes, Friction and Wear / Grilec, Krešimir ; Marić, Gojko ; Jakovljević, Suzana - Zagreb : Hrvatsko društvo za materijale i tribologiju (HDMT), 2008, 183-190

ISBN
978-953-7040-14-7

Skup
10th International Conference on Materials, Processes, Friction and Wear, MATRIB'08

Mjesto i datum
Vela Luka, Hrvatska, 26.06.2008. - 28.06.2008

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
substoichiometric precipitation ; sedimentation rate ; magnesium hydroxide ; seawater

Sažetak
This study has examined the possibility of using the anionic 831A flocculent, produced by a Dutch firm Hercules, in tracing the rate of sedimentation of magnesium hydroxide obtained from seawater by 80% substoichiometric precipitation. The purpose of this study was to define the optimum conditions for sedimentation of magnesium hydroxide from seawater based on settling properties of magnesium hydroxide suspension in discontinuous precipitation. Examinations were made with different quantities of the 831A flocculent, and at different degrees of completeness of precipitation (70 % and 100 % precipitation) to determine the optimum quantity of the 831A flocculent during the sedimentation process. The results indicate significantly faster sedimentation of magnesium hydroxide obtained by precipitation with the smaller quantity of the precipitation agent than that required stoichiometrically, which is explained by the model of the Mg(OH)2 particle. From the results obtained for discontinuous conditions, one can apply the Kynch theory to calculate the continuous thickener.

Izvorni jezik
Engleski

Znanstvena područja
Kemijsko inženjerstvo



POVEZANOST RADA


Projekti:
MZOS-011-0112247-2250 - Aktivirano sinteriranje magnezijeva oksida (Martinac, Vanja, MZOS ) ( CroRIS)

Ustanove:
Kemijsko-tehnološki fakultet, Split

Profili:

Avatar Url Nedjeljka Petric (autor)

Avatar Url Miroslav Labor (autor)

Avatar Url Vanja Martinac (autor)


Citiraj ovu publikaciju:

Martinac, Vanja; Labor, Miroslav; Gadžo, Zrinka; Petric, Nedjeljka
The effect of anionic 831A flocculent on the sedimentation of magnesium hydroxide obtained from seawater // Proceedings of the 10th International Conference on Materials, Processes, Friction and Wear / Grilec, Krešimir ; Marić, Gojko ; Jakovljević, Suzana (ur.).
Zagreb: Hrvatsko društvo za materijale i tribologiju (HDMT), 2008. str. 183-190 (poster, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
Martinac, V., Labor, M., Gadžo, Z. & Petric, N. (2008) The effect of anionic 831A flocculent on the sedimentation of magnesium hydroxide obtained from seawater. U: Grilec, K., Marić, G. & Jakovljević, S. (ur.)Proceedings of the 10th International Conference on Materials, Processes, Friction and Wear.
@article{article, author = {Martinac, Vanja and Labor, Miroslav and Gad\v{z}o, Zrinka and Petric, Nedjeljka}, year = {2008}, pages = {183-190}, keywords = {substoichiometric precipitation, sedimentation rate, magnesium hydroxide, seawater}, isbn = {978-953-7040-14-7}, title = {The effect of anionic 831A flocculent on the sedimentation of magnesium hydroxide obtained from seawater}, keyword = {substoichiometric precipitation, sedimentation rate, magnesium hydroxide, seawater}, publisher = {Hrvatsko dru\v{s}tvo za materijale i tribologiju (HDMT)}, publisherplace = {Vela Luka, Hrvatska} }
@article{article, author = {Martinac, Vanja and Labor, Miroslav and Gad\v{z}o, Zrinka and Petric, Nedjeljka}, year = {2008}, pages = {183-190}, keywords = {substoichiometric precipitation, sedimentation rate, magnesium hydroxide, seawater}, isbn = {978-953-7040-14-7}, title = {The effect of anionic 831A flocculent on the sedimentation of magnesium hydroxide obtained}, keyword = {substoichiometric precipitation, sedimentation rate, magnesium hydroxide, seawater}, publisher = {Hrvatsko dru\v{s}tvo za materijale i tribologiju (HDMT)}, publisherplace = {Vela Luka, Hrvatska} }




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