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Device and method for synthesizing liquid fuel through multi-field concerted catalytic hydrogenation of carbon dioxide

A carbon dioxide and liquid fuel technology, applied in chemical instruments and methods, preparation of liquid hydrocarbon mixtures, chemical/physical/physicochemical processes using energy, etc., can solve the problems of low liquid fuel yield, differential load adjustment flexibility, large Problems such as pressure drop, to achieve the effect of promoting carbon-carbon coupling reaction, uniform temperature distribution, and reducing reaction temperature

Active Publication Date: 2022-04-12
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002]The reaction device for catalytic hydrogenation of carbon dioxide is mainly designed for CH4 products, and there are few reports on the synthesis of liquid fuels by catalytic hydrogenation of carbon dioxide
For example, low CO2 conversion rate, low liquid fuel yield, low product selectivity, poor heat transfer performance, high temperature superheating, poor load adjustment flexibility, complex structural design, relatively low large pressure drop etc.

Method used

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  • Device and method for synthesizing liquid fuel through multi-field concerted catalytic hydrogenation of carbon dioxide
  • Device and method for synthesizing liquid fuel through multi-field concerted catalytic hydrogenation of carbon dioxide
  • Device and method for synthesizing liquid fuel through multi-field concerted catalytic hydrogenation of carbon dioxide

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Embodiment 1

[0027] This embodiment provides a device for synthesizing liquid fuel by multi-field synergistic catalytic hydrogenation of carbon dioxide, which is used to contact the gas mixture of carbon dioxide and hydrogen with the catalyst to synthesize liquid fuel. The liquid fuel is a hydrocarbon that is liquid at normal temperature and its mixture.

[0028] Specifically, see figure 1 , 2 As shown, the device includes preheating / condensing multifunctional heat exchanger, plasma generator, isothermal plate fixed bed reactor, floating head heat exchanger, control system, etc. The temperature field and the plasma field work together to increase the CO 2 Yields of catalytic hydrogenation to synthesize liquid fuels.

[0029] The frequency of the plasma generator is 10-100kHz (the intensity of the formed plasma is 5-150Td, and the plasma is evenly distributed in the reactor), and the dielectric barrier discharge is used to promote CO 2 with H 2 A plasma is formed and activated on the c...

Embodiment 2

[0036] This embodiment provides a device for synthesizing liquid fuel by multi-field synergistic catalytic hydrogenation of carbon dioxide, which is used to contact the gas mixture of carbon dioxide and hydrogen with the catalyst to synthesize liquid fuel. The liquid fuel is a hydrocarbon that is liquid at normal temperature and its mixture.

[0037] Specifically, see figure 1 , 2 As shown, the device includes a microwave generator, an isothermal plate-type fixed-bed reactor, a tube-and-tube heat exchanger, a control system, etc., and can realize the synergistic effect of the temperature field and the microwave field in the isothermal plate-type fixed-bed reactor to increase CO 2 Yields of catalytic hydrogenation to synthesize liquid fuels.

[0038] The power of the microwave generator is 50-100kW; the magnetron is installed at the entrance of the isothermal plate-type fixed-bed reactor, and microwaves are formed between the two plates, and the frequency of the generated mic...

Embodiment 3

[0045] This embodiment provides a device for synthesizing liquid fuel by multi-field synergistic catalytic hydrogenation of carbon dioxide, which is used to contact the gas mixture of carbon dioxide and hydrogen with the catalyst to synthesize liquid fuel. The liquid fuel is a hydrocarbon that is liquid at normal temperature and its mixture.

[0046] Specifically, see figure 1 , 2 As shown, the device includes an ultrasonic generator, an isothermal plate-type fixed-bed reactor, a U-tube heat exchanger, and a control system. 2 Yields of catalytic hydrogenation to synthesize liquid fuels.

[0047] The frequency of the ultrasonic generator is 5-90kHz; the ultrasonic processor is installed on the isothermal plate-type fixed-bed reactor, and the ultrasonic wave formed is evenly distributed in the reactor, and the wavelength range of the ultrasonic wave is 10 μm-2cm), and the ultrasonic wave is generated by high-power high-frequency AC current drives the acoustic transducer to ge...

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Abstract

The invention discloses a device and a method for synthesizing liquid fuel through multi-field concerted catalytic hydrogenation of carbon dioxide, which are used for enabling a gas mixture of carbon dioxide and hydrogen to be in contact with a catalyst to synthesize the liquid fuel, and the liquid fuel is hydrocarbon and a mixture thereof which are liquid at normal temperature. The device can generate a synergistic compound field in the area where the reaction unit is located, the synergistic compound field comprises at least two of a thermal field, a microwave field, an ultrasonic field and an electric field, most of synthesized liquid fuel is gasoline or aviation fuel, the economic value is high, the reaction temperature is low, the conversion rate of carbon dioxide is high, and the device is suitable for industrial production. And the catalyst has high selectivity on aviation fuel.

Description

technical field [0001] The present application relates to the technical field of carbon dioxide catalytic hydrogenation, in particular to a device and method for multi-field synergistic catalytic hydrogenation of carbon dioxide to synthesize liquid fuels. Background technique [0002] The reaction device for catalytic hydrogenation of carbon dioxide is mainly for CH 4 Products are designed, and there are few reports on the synthesis of liquid fuels by catalytic hydrogenation of carbon dioxide. If the CO 2 Catalytic hydrogenation to CH 4 The reactor is directly used for CO 2 Catalytic hydrogenation to synthesize liquid fuels will face many problems and challenges. For example, CO 2 Low conversion rate, low liquid fuel yield, low product selectivity, poor heat transfer performance, high temperature overheating, poor load adjustment flexibility, complex structural design, large pressure drop, etc. Therefore, in order to achieve a breakthrough in this technology, it is nec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/08B01J19/10B01J19/12B01J8/02C10G2/00
Inventor 杨应举刘晶华芷萱熊勃汤浩李凯文涂林楠
Owner HUAZHONG UNIV OF SCI & TECH
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