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1. The performance of a super - small hydrocyclone is examined experimentally for solid particle separation from water.

2. The results indicate that the hydrocyclone can improve greatly its classification efficiency under steady underflow density and operation conditions.

3. The separation efficiency of hydrocyclone is affected intensively by the geometry structures and operating condition.

4. Variations of structure parameters of hydrocyclone affecting production, ratio of diffluence, ratio of concentrate of hydrocyclone were studied comprehensively in this paper.

5. Moreover, the uniflow hydrocyclone has the traits of big capacity, low pressure drop and a little low separation efficiency in contrast to the returned flow hydrocyclone.

6. The trend of dynamic hydrocyclone separation technology development is also discussed in this paper.

7. A water injected cyclindroconical hydrocyclone was developed author discusses its classification performed.

8. The internal flow field of hydrocyclone is simulated using LRR Reynolds stress model, applying SIMPLE arithmetic and basing on basic theory of hydrocyclone.

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9. The split ratio of a hydrocyclone is a important parameter for operation.

10. The hydrocyclone is a kind of separatory and classificatory equipment.

11. The air- sparged hydrocyclone has been used as a centrifugal flotation device since it was invented in the 1980s.

12. It has been verified that hydrocyclone is effective for there - separation of high water cut crude oil.

13. Experimental results showed that the circumfluent hydrocyclone with a separate column has the highest collection efficiency and the lowest pressure drop.

14. This paper analyzes the mechanism of the hydrocyclone used for oil water separation.

15. Compounding hydrocyclone is introduced in this paper as a kind of new water separation device.

16. It is considered that the air flotation hydrocyclone is a high-efficient and high-speed flotation device for fine materials.

17. It's also shown the hydrocyclone with a smaller diameter of spigot has a better separation efficiency.

18. The essay mainly talks about the application of hydrocyclone in FGD ( flue gas desulfurization ) process .

19. The stress in a hydrocyclone field are expounded and are analyzed with dimension.

20. Further investigate the flow mechanism of the liquid-liquid hydrocyclone, and the oil and water phases flow field in hydrocyclone for oil water separation is simulated using LRR stress model.

21. Theoretical analysis and experimental research about a new type hydrocyclone of abnormal structure were carried out.

22. The unstability of the forced vortex interferes in the performance of the hydrocyclone, Therefore, a new problem of improving the forced vortex is posed here.

23. Fractionation of softwood bleached chemithermomechanical pulp ( BCTMP ) fiber was carried out with a air - sparged hydrocyclone.

24. The diameter of the overflow hole has great impact on the performance of a hydrocyclone for high water-cut crude predissociation.

25. The research results show that a moderate centrifugal field strength is optimum for the effective separation of particles with a set size fraction in the air-sparged hydrocyclone.

26. The study shows that suitable operation conditions can improve the separation efficiency of a hydrocyclone.

27. The straight tube of spigot is an important structural parameter of hydrocyclone.

28. A multiphase flow model is established to simulate numerically the separation of blast furnace sullage in a hydrocyclone using a simplified multiphase model and Reynolds stress model.

29. The measured results show that the main flow in the hydrocyclone is a three dimensional helical downward movement with an air core directly connected with the underflow pipe.

30. The overflow ratio is an important parameter of the deoiling hydrocyclone.