跳至主要内容

Behaviors of Crystallization for Osmotic Pressure under Microwave Irradiation

Read  full  paper  at:
http://www.scirp.org/journal/PaperInformation.aspx?PaperID=52974#.VK8sn8nQrzE

Author(s)  
 
ABSTRACT
We studied chemical garden in order to investigate precipitation behavior for osmotic pressure under microwave irradiation. The salt concentration and microwave irradiation power were varied. Microwave irradiation induced release of osmotic pressure and change of precipitation pattern because polar molecules vibrate and rotate in an electromagnetic field. For example, the width of precipitation increased and the number of rapture of the membrane decreased due to the release of osmotic pressure by the irradiation. Accordingly, microwave irradiation accelerated the diffusion of ionic molecules through the membrane.
 
Cite this paper
Nakata, R. and Asakuma, Y. (2015) Behaviors of Crystallization for Osmotic Pressure under Microwave Irradiation. Journal of Crystallization Process and Technology, 5, 9-14. doi: 10.4236/jcpt.2015.51002.
 
References
[1]Cartwright, J.H.E., García-Ruiz, J.M., Novella, M.L. and Otálora, F. (2002) Formation of Chemical Gardens. Journal of Colloid and Interface Science, 256, 351-359.
http://dx.doi.org/10.1006/jcis.2002.8620
 
[2]Pratama, F.S., Robinson, H.F. and Pagano, J.J. (2011) Spatially Resolved Analysis of Calcium-Silica Tubes in Reverse Chemical Gardens. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 389, 127-133.
http://dx.doi.org/10.1016/j.colsurfa.2011.08.041
 
[3]Bormashenko, E., Bormashenko, Y., Stanevsky, O. and Pogreb, R. (2006) Evolution of Chemical Gardens in Aqueous Solutions of Polymers. Chemical Physics Letters, 417, 341-344.
http://dx.doi.org/10.1016/j.cplett.2005.10.049
 
[4]Barge, L.M., Doloboff, I.J., White, L.M., Stucky, G.D., Russell, M.J. and Kanik, I. (2011) Characterization of Iron-Phosphate-Silicate Chemical Garden Structures. Langmuir, 28, 3714-3721.
http://dx.doi.org/10.1021/la203727g
 
[5]Aaskuma, Y., Murakami, Y. and Konishi, M. (2014) Anti-Solvent Effect of Crystallization by Feeding Ethanol under Microwave Radiation. Crystal Research and Technology, 49, 129-134.
http://dx.doi.org/10.1002/crat.201300327
 
[6]Asakuma, Y. and Miura, M. (2014) Effect of Microwave Radiation on Diffusion Behavior of Anti-Solvent during Crystallization. Journal of Crystal Growth, 402, 32-36.
ttp://dx.doi.org/10.1016/j.jcrysgro.2014.04.031
 
[7]Parmar, H., Kanazawa, Y., Asada, M., Asakuma, Y., Phan, C., Pareek, V. and Evans, G. (2014) Influence of Microwave on Water Surface Tension. Langmuir, 30, 9875-9879.
http://dx.doi.org/10.1021/la5019218
 
[8]Nakai, Y., Tsujita, Y. and Yoshimizu, H. (2002) Control of Gas Permeability for Cellulose Acetate Membrane by Microwave Irradiation. Desalination, 145, 375-377.
http://dx.doi.org/10.1016/S0011-9164(02)00439-3
 
[9]Nakai, Y., Yoshimizu, H. and Tsujita, Y. (2005) Enhanced Gas Permeability of Cellulose Acetate Membranes under Microwave Irradiation. Journal of Membrane Science, 256, 72-77.                                    eww150109lx

评论

此博客中的热门博文

Does Immigration Promote the Investment of the Monopolistic Firm?

In the present paper, we examine the effect of increasing uncertainty of immigrants’ growth on the optimal timing of investment of a firm that has a monopolistic power over the labor market. It is revealed that when the uncertainty of immigrants’ growth is more than a threshold level, increasing uncertainty of immigrants’ growth accelerates the optimal timing of firms’ investment and enhances the economic growth, even if the uncertainty of immigrants’ growth is formulated by the geometric Brownian motion, which is in sharp contrast to the standard result that an increase in the uncertainty postpones the optimal timing. With an increase in the immigrants over the past ten years, workforces in the host countries have been growing significantly to the extent that the immigrants represent 70% of the increase in the workforce in Europe, and 47% in the United States as OECD indicates. In the present paper, we attempted to investigate the effect of increased uncertainty caused by the growi...

Education Policy Implementation: A Mechanism for Enhancing Primary Education Development in Zanzibar

Education is one of the fundamental rights of individuals; therefore, the government of a country needs to develop and strengthen educational policy and quality as well as to ensure that everyone has equal access to basic education. The improvement of access and quality of education in the world is becoming as an essential factor in development, whereas the basic education (primary school), is acknowledged as a foundation of the higher educational development for every country. To fulfill this goal, governments introduce several policies and procedures; however, it requires some reforms and participation from the politician, policymakers, and other stakeholders to re-examine educational policy so that it can lead to multiplication and betterment of the reforms. Educational reforms actually focus on accountability. A positive educational development and reform is very challenging and needs more effort and strategy on how to use and utilize the resources effectively as such it can achie...