Magnetic Separation Research Paper
6 TECHNICAL FEATURES AND EXISTING PROBLEMS Magnetic separation technology to deal with wastewater treatment comparedwith theother technology, regardless of research or application are relatively small, but because of its unique separation principle, in the field of wastewater treatment has many characteristics, and also have many problems. 6.1 Characteristics of magnetic separation technology (1) Magnetic separation technology to deal with high efficiency. The technology has high speed and large processing capacity, and is not affected by natural temperature. It has a strong ability to separate the very fine suspended solids and low concentration wastewater which are difficult to be removed by other methods. Especially the filtration speed …show more content…
(2) In order to improve the magnetic field gradient, we must choose the high magnetic saturation of the magnetic saturation of the magnetic media, the choice of poly magnetic media has certain technical difficulties, and increase the cost of running. (3) High cost of magnetic species, recycling more difficult. The development of practical and inexpensive is a problem that must be considered in the further development of magnetic separation technology. Although magnetic separation technology is a simple and feasible and efficient water treatment technology, due to the technical difficulties and limitations to be overcome. Therefore, it is widely used in practical applications. 7 THE APPLICATION PROSPECT AND PROSPECT 7.1 High gradient magnetic separation application …show more content…
This technology is the development direction of high gradient magnetic separation technology in the future. In general, increasing the magnetic field strength can increase the flow rate, and can improve the wastewater treatment capacity without affecting the performance of the high gradient magnetic separator. However, with the increase of the amount of treatment, the cost and power consumption of the separator is also significantly increased, and if more than a certain flow rate, the separation ability of the high gradient magnetic separator will be decreased. The superconducting magnetic separator can overcome the defects, and the magnetic field strength can reach 14 T, because the superconductor has no resistance at the critical temperature. Therefore, the running time of the electrode is low. It can provide strong magnetic field and high gradient magnetic field in a large space, so it can improve the processing capacity. Because the superconducting magnetic separator can produce very high magnetic field strength, the suspended magnetic particles in the waste water can be magnetized sufficiently, so that the magnetic field can be directly removed without adding magnetic
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