Impact of seed loading ratio on the growth kinetics of mono-ammonium phosphate under isothermal batch crystallization

Bingwen Long; Haotian Yang; Yigang Ding

Korean Journal of Chemical Engineering, Vol.33, No.2, 623-628, February, 2016

DOI10.1007/s11814-015-0173-0 Export Citation

Impact of seed loading ratio on the growth kinetics of mono-ammonium phosphate under isothermal batch crystallization

Bingwen Long, Haotian Yang, and Yigang Ding^†

Hubei Key Lab of Novel Reactor & Green Chemical Technology, Key Laboratory for Green Chemical Process of Ministry of Education, Wuhan Institute of Technology, Wuhan 430074, China

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The effect of seed load ratio on the growth kinetics of Mono-ammonium phosphate (MAP) under isothermal batch crystallization was investigated quantitatively. A direct parameter estimation method was proposed and applied to extract the growth kinetic parameters from a simple crystallization model using our experimental solution concentration decline data. The method assured the globally best parameters to be obtained and was found less sensitive to experimental errors. The linear growth constants kg and the growth order g were found to be in the range of 1,000-2,600 μm·min.1 and 0.93-1.12, respectively, for MAP crystallized at 40 oC. Both parameters decreased significantly with increase of seed load ratio and kg even showed a strong linear decline trend. The effective crystallization time also decreased with the seed mass. The proposed methodology could be extended to study the effect of other operation variables such as temperature and initial supersaturation on the crystal growth rate.

Keywords:Mono-ammonium Phosphate;Crystallization Kinetics;Seeding Effect;Parameter Estimation;Optimization

[References]

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Long BW, Ind. Eng. Chem. Res., 50(11), 7019 (2011)
Long BW, Li J, Zhang RR, Wan L, Fluid Phase Equilib., 297(1), 113 (2010)
Long B, Yang Z, Fluid Phase Equilib., 266(1-2), 38 (2008)
Long BW, Li J, Song YH, Du JQ, Ind. Eng. Chem. Res., 50(13), 8354 (2011)
Carbone MN, Judge RA, Etzel MR, Biotechnol. Bioeng., 91(1), 84 (2005)
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[1] Mullin JW, Crystallization, 4th Ed., Butterworth-Heinemann, Oxford (2001).

[2] Cisternas LA, Vasquez CM, Swaney RE, AIChE J., 52(5), 1754 (2006)

[3] Tavare NS, Garside J, Chivate MR, Ind. Eng. Chem. Process Des. Dev., 19, 653 (1980)

[4] Tavare NS, Chem. Eng. Commun., 61, 259 (1987)

[5] Hojjati H, Rohani S, Chem. Eng. Process., 44(9), 949 (2005)

[6] Kubota N, Doki N, Yokota M, Sato A, Powder Technol., 121(1), 31 (2001)

[7] Hsu CW, Ward JD, AIChE J., 59(2), 390 (2013)

[8] Esther J, Sukla LB, Pradhan N, Panda S, Korean J. Chem. Eng., 32(1), 1 (2015)

[9] Ward JD, Mellichamp DA, Doherty MF, AIChE J., 52(6), 2046 (2006)

[10] Kim DY, Paul M, Repke JU, Wozny G, Yang DR, Korean J. Chem. Eng., 26(5), 1220 (2009)

[11] Mullin JW, Amatavivadhana A, J. Appl. Chem., 17, 151 (1967)

[12] Mullin JW, Amatavivadhana A, Chakraborty M, J. Appl. Chem., 20, 153 (1970)

[13] Utomo J, Maynard N, Asakuma Y, Maeda K, Fukui K, Tade MO, Adv. Powder Technol., 21(4), 392 (2010)

[14] Utomo J, Asakuma Y, Maynard N, Maeda K, Fukui K, Tade MO, Chem. Eng. J., 156(3), 594 (2010)

[15] Jagadesh D, Kubota N, Yokota M, Doki N, Sato A, J. Chem. Eng. Jpn., 32(4), 514 (1999)

[16] Buchanan GH, Winner GB, Ind. Eng. Chem., 12, 448 (1920)

[17] Eysseltova J, Dirkse TPI, J. Phys. Chem. Ref Data, 27, 1290 (1998)

[18] Long BW, Ind. Eng. Chem. Res., 50(11), 7019 (2011)

[19] Long BW, Li J, Zhang RR, Wan L, Fluid Phase Equilib., 297(1), 113 (2010)

[20] Long B, Yang Z, Fluid Phase Equilib., 266(1-2), 38 (2008)

[21] Long BW, Li J, Song YH, Du JQ, Ind. Eng. Chem. Res., 50(13), 8354 (2011)

[22] Carbone MN, Judge RA, Etzel MR, Biotechnol. Bioeng., 91(1), 84 (2005)

[23] Carbone MN, Etzel MR, Biotechnol. Bioeng., 93(6), 1221 (2006)

[24] Mohameed HA, Abu-Jdayil B, Al Khateeb M, Chem. Eng. Process., 41(4), 297 (2002)

[25] Antonious MS, Ramsis MN, Youssef AO, Monatsh. Chem., 127, 15 (1996)