Device and method for regenerating carbon capture amine-rich liquid through non-thermal mechanical induction

By combining an electric stirrer and an ultrasonic generator, a non-thermomechanical induction method was used to solve the problem of high energy consumption in the regeneration of amine-rich liquid, achieving low-temperature and high-efficiency regeneration, reducing energy consumption and extending equipment life.

CN120900548APending Publication Date: 2025-11-07DONGFANG ELECTRIC (CHENGDU) INNOVATION RES CO LTD +1
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Patent Information

Application Number
CN202510942828.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-09
Publication Date
2025-11-07

AI Technical Summary

Technical Problem

In existing carbon capture technologies, the regeneration of amine-rich solutions consumes a lot of energy. Existing methods have failed to effectively reduce the regeneration temperature or introduce additional catalysts, resulting in high energy consumption and severe equipment corrosion.

Method used

A non-thermomechanical induction method is adopted, which combines an electric stirrer and an ultrasonic generator to enhance the amine regeneration process by using ultrasonic fields and mechanical stirring, thereby reducing the regeneration temperature and improving mass transfer efficiency.

Benefits of technology

It achieves efficient amine liquid regeneration at lower temperatures, reducing energy consumption, minimizing equipment corrosion, increasing regeneration rate and equipment lifespan, and is suitable for various amine liquid systems.

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Abstract

The invention belongs to the technical field of amine liquid regeneration, and particularly relates to a non-thermal mechanical induction carbon capture amine-rich liquid regeneration device and method.The device comprises an ultrasonic generator, an ultrasonic vibrator, an electric stirrer and a regeneration reactor; commercial power is converted into a high-frequency alternating-current electric signal matched with the ultrasonic vibrator through the ultrasonic generator, and the ultrasonic vibrator is driven to work; the ultrasonic vibrator is positioned at the bottom of the regeneration reactor and is used for converting input electric power into mechanical power and transmitting the mechanical power to amine liquid in the regeneration reactor; the electric stirrer generates a rotating flow field in the regeneration reactor, so that the cavitation degradation effect of ultrasound is enhanced, the efficient regeneration of the amine-rich liquid is realized under the condition of not supplying high temperature, the regeneration energy consumption is greatly reduced, and the regeneration reactor has important application value in the regeneration of the amine-rich liquid in the field of carbon capture.
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Citation Information

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