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Apparatus for magnetic field gradient enhanced centrifugation

A technology of magnetic field gradient and equipment, applied in the direction of high gradient magnetic separator, magnetic separation, lighting and heating equipment, etc., can solve problems such as affecting energy consumption

Inactive Publication Date: 2013-12-11
EI DU PONT DE NEMOURS & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As thermal drying accounts for a significant portion of energy consumption worldwide, this affects energy consumption

Method used

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  • Apparatus for magnetic field gradient enhanced centrifugation
  • Apparatus for magnetic field gradient enhanced centrifugation
  • Apparatus for magnetic field gradient enhanced centrifugation

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Embodiment Construction

[0013] The present invention provides a device for continuous or batch centrifugal solid-liquid separation of a solid-liquid mixture comprising magnetic particles, wherein the performance of the device is enhanced by the presence of a magnetic field gradient.

[0014] The apparatus of the present invention subjects a solid-liquid mixture to centrifugation and a magnetic field gradient simultaneously. These gradients may be localized magnetic field gradients in the sense that they act within the device in which the separation takes place and thus cause the magnetic particles to undergo movement within the device. The magnetic field gradient imparts a magnetic force to the magnetic particles present in the solid-liquid mixture. Magnetic particles may be ferromagnetic, ferrimagnetic, antiferromagnetic, paramagnetic or diamagnetic. The rotating magnetic substrate generates a magnetic field gradient, and the magnetic force provided by the magnetic field gradient attracts the magne...

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Abstract

This invention relates to apparatus for carrying out continuous or batch centrifugation solid-liquid separation processes in which the solid-liquid mixture is subjected to magnetic field gradients and centrifugation.

Description

[0001] This application is a divisional application of the parent application with application number 200680012796.6. The filing date of the parent case is February 17, 2006; the title of the invention is "equipment for magnetic field gradient enhanced centrifugation". This application claims the benefit of US Provisional Application 60 / 653,701, filed February 17, 2005, which is hereby incorporated by reference in its entirety. technical field [0002] The invention relates to a centrifugal device enhanced by the presence of a magnetic field gradient. Background technique [0003] Solid-liquid separation has a wide range of applications, from large-volume separations of minerals from solid-liquid mixtures to small batch separations of high-value products in the biotechnology or pharmaceutical industries. Over the past 50 years, gravity, pressure, temperature, centrifugation, and fluid dynamics have been the main aspects of routine solid-liquid separation. Conventional soli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C1/03B03C1/034
CPCF26B5/08C02F1/488B03C3/15B03C2201/20B03C1/03B03C1/034B03C1/029B03C2201/18C02F1/385B03C1/30
Inventor B.富赫斯C.K.霍夫曼K.克勒
Owner EI DU PONT DE NEMOURS & CO