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Search / Korean Journal of Chemical Engineering
HWAHAK KONGHAK,
Vol.28, No.1, 58-66, 1990
회분식 및 연속식 결정화기에서의 결정입도분포 계산
Calculation of Crystal Size Distribution for Batch and Continuous MSMPR Crystallizer
한현각, 이세일, 이철수
연속식 및 회분식 결정화기에서 제 3의 물질을 가하여 과포화도를 유발시키는 경우에 대해 혼합과정의 부피변화를 고려할 수 있는 Population 수지식의 해법을 제시하였다. 과포화도가 작은 경우에 혼합과정의 부피변화를 고려하지 않으면 계산의 진행이 어렵거나 큰 오차가 발생한다. 또한 용매석계에 대해 연속식과 회분식에 같이 적용될 수 있는 결정화속도를 구하는 방법을 제시하고 소금물-에탄올 염석계의 입도분포 계산에 적용하여 좋은 결과를 얻었다.
A unified solution method of pouplation balance equation for a batch and continuous MSMPR crystal-lizer was presented and a method for taking the volume change of mixing into consideration was developed when the supersaturation is induced by adding a third component. The volume effect can be very important when the super-saturation becomes very small. Also, crystallization rate equations were developed which are applicable to both batch and continuous operations. Comparison of calculated crystal size distributions with experimental ones for NaCl-water-ethanol systems showed good agreement.
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[Cited By]
  1. Lee SI, Han HK, Lee CS, HWAHAK KONGHAK, 40(5), 588, 2002
  2. Lee SI, Lee CS, HWAHAK KONGHAK, 32(4), 600, 1994
  3. Han HK, Lee SI, Lee CS, Korean Journal of Chemical Engineering, 10(2), 100, 1993
  4. Han HK, Lee JH, Korean Chemical Engineering Research, 42(4), 465, 2004
  5. Han HK, Jeong OH, Lim MH, Kim JA, Korean Chemical Engineering Research, 44(3), 289, 2006
  6. Han HK, Kim BM, Kim JA, Korean Chemical Engineering Research, 46(6), 1052, 2008
  7. Han HK, Jung HK, Korean Journal of Chemical Engineering, 26(1), 246, 2009
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