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A plasma formed in a fluid

A plasma and fluid technology, applied in the field of plasma, can solve the problems of high energy loss, high power consumption, and the need for catalysts, and achieve the effect of saving energy consumption

Inactive Publication Date: 2005-08-10
译民·托马斯·张
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, plasma arcs are often accompanied by high power consumption, rapid corrosion of electrodes when used in electrolysis, the need for catalysts, and high energy losses due to associated high temperatures

Method used

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Embodiment Construction

[0080] The present invention relates to the generation of athermal plasma contained in the liquid by generating corona discharge and or glow plasma discharge in the inside of bubbles or airbags existing in the liquid.

[0081] When an electric current with sufficient potential passes through the liquid, the electrical breakdown of the dielectric bubble barrier causes the formation of plasma discharge inside the bubbles or airbags present in the liquid. In most cases, glow discharge occurs near the electrode, but sometimes glow discharge is also observed far away from the electrode.

[0082] Bubbles can be generated by electrolysis, electrochemical reaction, heating electrodes, releasing gas trapped in liquid, ultrasonic cavitation, laser heating, and external introduction of gas. This is different from the method of generating instantaneous bubbles by discharging with a sparking device or thermal dissociation in an arc plasma. In practice, several methods as described above can be...

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Abstract

A method and apparatus for generating plasma in a fluid. The fluid (3) is placed in a bath (2) having a pair of spaced electrodes (4, 6) forming a cathode and an anode. A stream of bubbles is introduced or generated within the fluid adjacent to the cathode. A potential difference is applied across the cathode and anode such that a glow discharge is formed in the bubble region and a plasma of ionised gas molecules is formed within the bubbles. The plasma may then be used in electrolysis, gas production, effluent treatment or sterilisation, mineral extraction, production of nanoparticles or material enhancement. The method can be carried out at atmospheric pressure and room temperature. The electrodes may carry means to trap the bubbles in close proximity. Partitions may be present between the electrodes.

Description

Technical field [0001] The present invention relates to a method of providing plasma formed in a fluid and the use of the plasma, and more particularly to a method of providing plasma formed in a bubble contained in an aqueous medium, and the use of the plasma. Background technique [0002] Plasma is a conductive gas that contains highly reactive particles such as radicals, atoms, plasma electrons, ions, and the like. For example, when a gas atom is excited to a high energy level, and the gas atom loses some of its electrons and is ionized to generate plasma, plasma can be formed. [0003] Thermal plasmas including plasma arcs are known. However, plasma arcs are often accompanied by high power consumption, rapid corrosion of electrodes when used for electrolysis, the need for catalysts, and high energy loss caused by the associated high temperature. Summary of the invention [0004] According to the first aspect of the present invention, the present invention provides a method o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L2/42A23L3/32A61L2/14B01J19/08C01B3/24C02F1/30C02F1/48C22B5/12H05H1/24
CPCH05H1/24Y02W10/37H05H1/46H05H1/2418H05H1/4697H05H1/47H05H2245/15H05H1/247
Inventor 译民·托马斯·张
Owner 译民·托马斯·张
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