【摘 要】
：
Semi-batch crystallization of 7-amino-desacetoxycephalosporanic acid (7-ADCA) is a complicated pro-cess, in which agglomeration occurs together with nucleation
【机 构】
：
The State R&D Center of Industrial Crystallization
论文部分内容阅读
Semi-batch crystallization of 7-amino-desacetoxycephalosporanic acid (7-ADCA) is a complicated pro-cess, in which agglomeration occurs together with nucleation and crystal growth. To systematically study such aprocess, experiments were conducted to estimate the crystallization thermodynamics and kinetics, and then theprocess was simulated by a numerical method. The application of Monte Carlo concept in the algorithm to describeagglomeration event offers an alternative approach of solving the population balance, the intrinsic simplicity of whichallows us to investigate several mechanisms and include several internal coordinates in the analysis. Furthermore,present study may be a valuable paradigm for other semi-batch crystallization processes.
其他文献
Using a new reduction approach,we derive a lower bound of quantum complexity for the approximation of imbeddings from anisotropic Sobolev classes B(Wrp([0,1]d))
In this article,we study Lp-boundedness properties of the oscillation and variation operators for the heat and Poissson semigroup and Riesz transforms in the La
The thermal behavior,nonisothermal decomposition reaction kinetics and specific heat capacity of nitrate glycerol ether cellulose(NGEC) were determined by therm
The Monte Carlo method was employed to simulate diffusion and reaction processes within three-dimensional porous catalyst pellets. The porous pellets used were
The XG equation, which is developed by us previously for describing the adsorption equilibrium of purevapor on activated carbon, is extended to multi-component
Octacosanol is purified by agitated short-path distillation (SPD). Effects of evaporation temperature,number of SPD steps in series and other distillation metho
In this work, the prerequisite and mode of electromagnetic response of Al nanofilms to electromagnetic wave field was suggested.Reflectance, transmittance in in
Nanosized SnO2 powders were prepared by sol-gel process using inorganic salt as a precursor. The tin oxide powders obtained at different calcinating temperature
Expanded bed adsorption (EBA) is an integrative downstream processing technique for the purificationof biological substances directly from unclarified feedstock
Suspended gold nanorods have been synthesized via an electrochemical methad. The absorption spectrum features show two peaks at 520nm and 650mn, which resttlt f