Crystallization process of sodium aluminate enhanced by ultrasonic wave - Details

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Abstract：

The　effects　of　ultrasonic　frequency　and　power　on　the　crystallization　efficiency　and　morphology　of　sodium　aluminate　crystal　were　examined,　and　the　optimum　process　conditions　obtained:　crystallization　temperature　60°C,　ultrasonic　frequency　45　kHz　and　power　100　W.　At　these　conditions,　the　crystalline　product　was　monosodium　aluminate　hydrate　(4NaAlO2·5H2O),　the　crystal　morphology　had　flaky,　eight-face,　irregular　and　other　forms.　Ultrasound　could　significantly　shorten　the　crystallization　induction　period　by　66%,　the　conductivity　of　the　solution　increased　1.5　times,　and　the　SiO2　concentration　decreased　to　5　g/L.

Keyword：

Conductivity; Crystallization; Monosodium aluminate hydrate; Ultrasonic wave

Author Community：

[ 1 ] [Sun, W.-L.]High Gravity Reaction Center of Beijing University of Chemical Technology, Beijing 100029, China
[ 2 ] [Sun, W.-L.]Key Laboratory of Green Process and Engineering, Institute of Process Engineering, CAS, Beijing 100190, China
[ 3 ] [Zhang, Y.]Key Laboratory of Green Process and Engineering, Institute of Process Engineering, CAS, Beijing 100190, China
[ 4 ] [Zhang, Y.]China National Petroleum Construction Company VII, Jiaozhou, Shandong 266300, China
[ 5 ] [Ma, S.-H.]Key Laboratory of Green Process and Engineering, Institute of Process Engineering, CAS, Beijing 100190, China
[ 6 ] [Wang, Y.-J.]Key Laboratory of Green Process and Engineering, Institute of Process Engineering, CAS, Beijing 100190, China
[ 7 ] [Ding, J.]Key Laboratory of Green Process and Engineering, Institute of Process Engineering, CAS, Beijing 100190, China
[ 8 ] [Ding, J.]School of Materials and Metallurgy, Northeastern University, Shenyang, Liaoning 110004, China
[ 9 ] [Tang, Z.-H.]Key Laboratory of Green Process and Engineering, Institute of Process Engineering, CAS, Beijing 100190, China
[ 10 ] [Tang, Z.-H.]School of Metallurgical and Ecological Engineering, Beijing University of Technology, Beijing 100083, China
[ 11 ] [Zheng, S.-L.]Key Laboratory of Green Process and Engineering, Institute of Process Engineering, CAS, Beijing 100190, China

Reprint Author's Address：

[Ma, S.-H.]Key Laboratory of Green Process and Engineering, Institute of Process Engineering, CAS, Beijing 100190, China

Email：

shma@home.ipe.ac.cn

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Source ：

The Chinese Journal of Process Engineering

ISSN： 1009-606X

Year： 2013

Issue： 6

Volume： 13

Page： 992-997

Cited Count：

WoS CC Cited Count： 0

SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 0

Affiliated Colleges：

信息学部

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