Dissertation > Excellent graduate degree dissertation topics show

Wet Ultrafine Grinding Technology and Kinetics of GCC by Planeary Ball Mill

Author: XuYingLi
Tutor: WenYanXuan
School: Guangxi University
Course: Environmental Engineering
Keywords: Ground Calcium Carbonate planetary mill ultrafine grinding grinding kinetics
CLC: TQ127.13
Type: Master's thesis
Year: 2007
Downloads: 118
Quote: 0
Read: Download Dissertation


Ultrafine Ground Calcium Carbonate (GCC) is not only a high added-value product, but also a high quality and environment friendly filler.Developing simple and highly effective grinding technology, and controling theparticle size and shape are the keys to obtain the high quality ultrafine GCC andimprove the economic efficiency of ultrafine GCC industry.The grinding efficiency of planetary ball mill is higher than other grindingequipments. Based on the study of ultrafine grinding kinetics characteristics andgrinding technology of GCC, the simplified BS model was successfully appliedto analysis the wet ultrafine grinding kinetics of GCC by planetary ball mill.The experimental results show that the kinetical equation of the process can bededucted as: R(x,t)= R(x,0)exp[-(9.0501 Kx2.7640t)0.3779].The relationbetween grinding parameters and K can be espressed as follows: K=-0.16643-0.009231n p1-1.4036p2+3.5811p22-2.94292p23-0.34595p3+0.95953p32-0.71562p32+0.062771n p4K (grinding rate constant), P1 (zirconia’s balls diameter), p2 (zirconia’sballs stuffing rate), p3 (slurry concentration) and p4 (ball mill’s rotationalspeed) are grinding parameters. Based on the kinetics study, the grinding rate constant was used toinvestigate the effect of process conditions on size distribution. The kineticsfunction drawn from this study can be used to simulate and predicate the sizedistributions of GCC and explain the mechanism of the ultrafine grindingprocess.In this research, a BS model coupling grinding parameters has beenproposed to describle the wet grinding kinetics of GCC in planetary mill. Theresearch provided here can be considered as the base for optimizing the grindingprocesses to control the diameter of GCC product.

Related Dissertations

  1. Analysis on the Influence of Ultrafine Grinded IFR on Anti-dripping Property of Polyester Fibers,TS195.592
  2. The Study on Processing Technology and Quality Standards of Huangshi Powder,R286.0
  3. Three-roll planetary rolling mill process force analysis,TG333
  4. Vertical Planetary Wheel Sand Reclamation Equipment Design and Dynamic Simulation Study,TG231.5
  5. Numerical Simulation of Flow Field for Horizontal Grinding Stirred Mill and Its Study on Comminuting Mechanism,TD453
  6. Modification and Application of Dietary Fiber in Kiwi Residue,TS201.2
  7. Studies on Productive Technologies and Granule Properties of Super-fine Whole-lotus Powder,TS255.5
  8. Research on the Processing Technic of Ultramicro-Pulverization of Kelp and Its Physical and Chemical Properties,TS254.58
  9. Preparation and Antibacterial Property of Ultrafine Powder of Chinese Herbal Medicine,TQ461
  10. Study on the Superfine Comminution Technology of Chinese Medicine Coptidis Rhizoma,TQ461
  11. Ultrafine grinding of nine the taste Notopterygium capsule formulation process and bulk drugs,TQ461
  12. AMD and ordinary Wuji pill Preparation and active ingredient content is relatively,TQ461
  13. Wuji pill with Advanced Micro Devices, Wuji pill Comparisons of,R286
  14. Tomato skin fat diet dietary fiber on blood lipid in rats,R151
  15. Wheat bran dietary fiber extraction and optimization of process conditions modified,TS201.2
  16. Preparation and Modification of aluminum powder pigment,TQ624
  17. The Effect of Dispersant on the Dispersion of Ultra-Fine Ground Calcium Carbonate in Water,O611.3
  18. Study on the Performances of Matte Coated Paper for Ink-jet Printing,TS761
  19. Study on the Surface Modification of the Steel Slag,X757
  20. Theoretical and experimental study of vertical coaxial centrifugal mill grinding,TD453

CLC: > Industrial Technology > Chemical Industry > Non-metallic elements and their inorganic compounds, the chemical industry > Part Ⅳ family of non-metallic element and its inorganic compounds > Carbon and its inorganic compounds > Carbonate
© 2012 www.DissertationTopic.Net  Mobile