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Microwave substance treatment systems and methods of operation

A material and treatment equipment technology, applied in the field of wastewater treatment equipment, can solve the problems of lack of efficiency and effectiveness of the system

Active Publication Date: 2019-05-31
NXP USA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these systems often lack the desired efficiency and / or effectiveness

Method used

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  • Microwave substance treatment systems and methods of operation
  • Microwave substance treatment systems and methods of operation
  • Microwave substance treatment systems and methods of operation

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Embodiment Construction

[0064] The following detailed description is merely illustrative in nature and is not intended to limit the embodiments of the present subject matter or the application and uses of such embodiments. As used herein, the words "exemplary" and "example" mean "serving as an example, instance, or illustration." Any implementation described herein as illustrative or example is not necessarily to be construed as preferred or advantageous over other implementations. Furthermore, there is no intention to be bound by any expressed or implied theory presented in the preceding technical field, background or the following detailed description.

[0065] Embodiments of the substance handling systems and devices described herein are configured to modify the state of a substance passing through a conduit including an input port and an output port. A material handling device embodiment includes a radio frequency (RF) excitation system, one or more electrodes, a controller, and tubing. The RF ...

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Abstract

The disclosure relates to microwave substance treatment systems and methods of operation. A substance treatment apparatus includes an RF signal source, power detection circuitry, a controller, and a transmission path between the RF signal source and a first electrode that radiates electromagnetic energy into a chamber. The RF signal source includes a solid-state amplifier that generates an RF signal. The power detection circuitry detects reflected signal power along the transmission path. Based on the reflected signal power, the controller modifies values of variable components within an impedance matching network electrically coupled along the transmission path to adjust a magnitude of the reflected signal power. The impedance matching network may have a double-ended input connected to abalun, and a double-ended output connected to the first electrode and to a second electrode. Alternatively, the impedance matching network may have a single-ended input connected to the RF signal source, and a single-ended output connected to the first electrode. The second electrode may be grounded.

Description

technical field [0001] Embodiments of the subject matter described herein relate generally to substance treatment facilities (eg, wastewater or materials treatment facilities), and more particularly to wastewater treatment facilities utilizing microwave energy. Background technique [0002] Water treatment systems are used in a variety of industrial and municipal settings to kill pathogens and break down solid matter so water can be recycled and reused. The environmental solutions industry faces growing challenges in treating and recycling the increasing volumes of industrial wastewater and sewage that are by-products of modern times. [0003] Some systems utilize microwave energy to treat wastewater. In such systems, wastewater (eg, sewage or other types of wastewater) is passed through a microwave resonant cavity, and microwave energy is directed into the cavity through one or more waveguides. Such systems are effective in heating the wastewater and / or the materials cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R21/00C02F1/30
CPCB01J19/126H05B6/686H05B6/705H05B6/802B01J2219/0877B01J2219/1227C02F2201/002C02F2303/04C02F1/302C02F1/48
Inventor 杜瑞益L·莫金
Owner NXP USA INC