A method for removing acid mist from flue gas

Abstract

The present invention relates to the field of flue gas treatment technology, and discloses a method for removing acid mist from flue gas, comprising the following steps: S1, pre-treating the flue gas, including temperature adjustment and particulate matter removal, to improve the efficiency of subsequent acid mist absorption treatment; S2, introducing the flue gas into a scrubber containing a deacidification agent improved based on a metal-organic framework material through a high-efficiency electric demisting device for preliminary acid mist absorption treatment; S3, using a reactor based on the principle of photocatalysis, using a visible light-activated catalyst to perform secondary decomposition and conversion of acidic substances in the preliminarily treated flue gas; S4, introducing a carbon dioxide capture process in S3. By using the improved metal-organic framework material as a deacidification agent, preliminary acid mist absorption treatment is carried out in the scrubber, thereby improving the deacidification efficiency. In addition, the material has a high absorption capacity for multiple acidic substances in the flue gas, and can effectively reduce the concentration of acidic substances in the flue gas.

Description

Technical Field

[0001] The invention relates to the technical field of flue gas treatment, in particular to a method for removing acid mist from flue gas. Background Art

[0002] Flue gas emissions are a significant environmental concern in industrial production, particularly in coal-fired power generation, metal smelting, and chemical production. Acidic substances contained in flue gas, such as sulfuric acid and hydrochloric acid mist, not only pollute the atmosphere but also pose a threat to human health and buildings. Therefore, the removal of acid mist from flue gas is a key research area in the field of environmental protection.

[0003] Existing flue gas deacidification technologies primarily include physical absorption, chemical absorption, and dry removal. Physical absorption typically involves scrubbing the flue gas with water or other non-reactive solvents, removing acidic substances through physical dissolution. Chemical absorption utilizes chemically reactive solvents to convert acidic substances through chemical reactions, achieving removal. Dry removal involves directly using solid adsorbents or reagents to react with acidic substances in the flue gas.

[0004] However, these existing technologies have several drawbacks: 1. While physical absorption is simple to operate, its removal efficiency is limited, especially for small acid mist particles, where physical absorption is not ideal. 2. While chemical absorption offers high removal efficiency, it can cause secondary pollution. For example, the chemical absorbents used require disposal, and the chemical reaction can produce other harmful substances. 3. Dry removal requires replacement of the adsorbent or reactant after saturation, resulting in significant resource consumption, and the disposal of saturated adsorbents or reactants can create additional environmental issues. 4. Most existing flue gas deacidification technologies consume a lot of energy, especially processes that require heating or cooling, which hinders energy conservation and environmental protection.

[0005] Therefore, a new flue gas deacidification technology is needed that can efficiently remove acidic substances from flue gas, while reducing secondary pollution, lowering resource and energy consumption, and achieving environmentally friendly and sustainable development. Summary of the Invention

[0006] In view of the shortcomings of the existing technology, the present invention provides a method for removing acid mist from flue gas, which solves the problems of efficiency, secondary pollution, resource consumption and energy consumption existing in the existing flue gas deacidification technology.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: A method for removing acid mist from flue gas, comprising the following steps:

[0008] S1. Pre-treat the flue gas, including temperature adjustment and particulate matter removal, to improve the efficiency of subsequent acid mist absorption treatment;

[0009] S2, introducing the flue gas into a scrubber containing a deacidification agent modified based on metal-organic framework materials through a high-efficiency electric demisting device for preliminary acid mist absorption treatment;

[0010] S3. Using a photocatalytic reactor to activate the catalyst using visible light to perform secondary decomposition and conversion of acidic substances in the preliminarily treated flue gas;

[0011] S4. Introducing a carbon dioxide capture process in S3 to separate and store the carbon dioxide generated during the photocatalytic process, thereby reducing greenhouse gas emissions;

[0012] S5. Utilizes ultrasonic technology to enhance the separation unit to deeply purify the treated flue gas and effectively separate and recover acidic substances;

[0013] S6. Use a microbial treatment unit to further degrade residual organic acidic substances using specific microorganisms;

[0014] S7. Through an intelligent energy optimization system and renewable energy system, the energy consumption of the entire deacidification process is monitored and optimized to achieve efficient energy utilization;

[0015] S8. Utilize an integrated waste conversion module, in conjunction with an online quality monitoring system, to convert recovered acidic substances into industrial-grade chemical raw materials, thus achieving resource recycling.

[0016] Preferably, the step S1 specifically includes the following steps:

[0017] S1-1. Use high-efficiency particulate matter filters to remove particulate matter in flue gas, including dust, ash and other suspended particles;

[0018] S1-2. Adjust the flue gas temperature through the heat exchanger to ensure that the flue gas reaches the optimal temperature for treatment in the scrubber, which ranges from 20℃ to 80℃.

[0019] Preferably, the step S3 specifically includes the following steps:

[0020] S3-1. Select a photocatalyst that can be activated under visible light to promote the photochemical decomposition of acidic substances in the flue gas;

[0021] S3-2. Use light reflection design in the photocatalytic reactor to increase light intensity and improve photocatalytic efficiency.

[0022] Preferably, the step S2 specifically includes the following steps:

[0023] S2-1. Select a specific metal-organic framework material to absorb various acidic substances in flue gas;

[0024] S2-2. Set up multi-stage contact zones in the scrubbing tower to ensure sufficient contact and mixing between the flue gas and the deacidifying agent to improve the absorption efficiency of the acid mist.

[0025] Preferably, the step S4 specifically includes the following steps:

[0026] S4-1. Set up a carbon dioxide capture system to use adsorbents or absorbents to efficiently capture carbon dioxide produced by the photocatalytic reaction;

[0027] S4-2. Compress and liquefy the captured carbon dioxide for easy storage and transportation.

[0028] Preferably, the step S5 specifically includes the following steps:

[0029] S5-1. Use an ultrasonic generator to generate high-frequency ultrasonic waves to enhance the separation process of residual acidic substances in the flue gas through the energy of the sound waves;

[0030] S5-2. A collecting device is provided in the separation unit to collect and recover the acidic substances separated by the ultrasonic wave.

[0031] Preferably, the step S6 specifically includes the following steps:

[0032] S6-1. Screening of microorganisms with high degradation capacity for specific organic acidic substances in flue gas;

[0033] S6-2. Maintain appropriate environmental conditions in the microbial treatment unit, including temperature, pH value and nutrient supply, to ensure the activity and degradation efficiency of the microorganisms.

[0034] Preferably, the step S7 specifically includes the following steps:

[0035] S7.1. Install energy monitoring sensors to monitor the energy consumption of each processing unit in real time;

[0036] S7.2. Based on energy consumption data, the intelligent control system automatically adjusts operating parameters to optimize energy use.

[0037] Preferably, the step S8 specifically includes the following steps:

[0038] S8.1. The recovered acidic substances are sent to a conversion module to be converted into valuable chemical raw materials through chemical reactions;

[0039] S8.2. Implement online monitoring and control to ensure the stability of the waste conversion process and the quality of the conversion products.

[0040] Preferably, the online quality monitoring system in step S8 includes sensors, analytical instruments and data processing software, which can monitor and adjust product quality parameters in real time.

[0041] The present invention provides a method for removing acid mist from flue gas. It has the following beneficial effects:

[0042] 1. The present invention uses an improved metal-organic framework material as a deacidifying agent to perform preliminary acid mist absorption treatment in a scrubbing tower to improve the deacidification efficiency. In addition, the material has a high absorption capacity for various acidic substances in flue gas and can effectively reduce the concentration of acidic substances in flue gas.

[0043] 2. The present invention further treats the flue gas by using a reactor based on the principle of photocatalysis, and uses a catalyst activated by visible light to perform secondary decomposition and conversion of acidic substances, thereby reducing the generation of secondary pollutants.

[0044] 3. The present invention introduces a carbon dioxide capture process to separate and store the carbon dioxide generated during the photocatalytic process, effectively reducing greenhouse gas emissions. The separation unit enhanced by ultrasonic technology is used to deeply purify the treated flue gas, effectively separating and recovering acidic substances, thereby improving the recycling rate of resources.

[0045] 4. The present invention uses specific microorganisms to further degrade residual organic acidic substances in the microbial treatment unit and convert them into harmless substances, thereby reducing the impact on the environment. In addition, the energy consumption of the entire deacidification process is monitored and optimized through an intelligent energy optimization system and a renewable energy system, thereby improving energy utilization efficiency and promoting the sustainability of the process.

[0046] 5. The present invention utilizes an integrated waste conversion module to convert recovered acidic substances into industrial-grade chemical raw materials, thereby realizing the resource utilization of waste and reducing the environmental pressure of waste treatment. In addition, the present invention combines an online quality monitoring system to monitor and adjust the quality parameters of the converted products in real time, ensuring the stability and reliability of product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 Flowchart of the present invention. DETAILED DESCRIPTION

[0048] The following will clearly and completely describe the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0049] Example:

[0050] Please see the attached Figure 1 The embodiment of the present invention provides a method for removing acid mist from flue gas, comprising the following steps:

[0051] S1. Pre-treat the flue gas, including temperature adjustment and particulate matter removal, to improve the efficiency of subsequent acid mist absorption treatment;

[0052] S2, introducing the flue gas into a scrubber containing a deacidification agent modified based on metal-organic framework materials through a high-efficiency electric demisting device for preliminary acid mist absorption treatment;

[0053] S3. Using a photocatalytic reactor to activate the catalyst using visible light to perform secondary decomposition and conversion of acidic substances in the preliminarily treated flue gas;

[0054] S4. Introducing a carbon dioxide capture process in S3 to separate and store the carbon dioxide generated during the photocatalytic process, thereby reducing greenhouse gas emissions;

[0055] S5. Utilizes ultrasonic technology to enhance the separation unit to deeply purify the treated flue gas and effectively separate and recover acidic substances;

[0056] S6. Use a microbial treatment unit to further degrade residual organic acidic substances using specific microorganisms;

[0057] S7. Through an intelligent energy optimization system and renewable energy system, the energy consumption of the entire deacidification process is monitored and optimized to achieve efficient energy utilization;

[0058] S8. Utilize an integrated waste conversion module, in conjunction with an online quality monitoring system, to convert recovered acidic substances into industrial-grade chemical raw materials, thus achieving resource recycling.

[0059] Specifically, S1. Flue gas pretreatment: Temperature adjustment and particulate removal create optimal conditions for the subsequent deacidification process. Adjusting the flue gas temperature increases the absorption efficiency of the deacidification agent. Particle removal reduces wear on the scrubber and other deacidification equipment, extending its service life. It also prevents particulate matter from interfering with the absorption and chemical reaction of the acid mist.

[0060] S2. Use of Metal-Organic Framework Materials: Deacidifiers based on metal-organic frameworks have higher absorption efficiency and selectivity, which can more effectively remove acidic substances from flue gas. The use of this material reduces deacidifier consumption and operating costs.

[0061] A high-efficiency electrostatic demister is also introduced to control the entry of acid mist into the flue gas and further enhance the desulfurization effect of the ionic liquid. This high-efficiency electrostatic demister captures and removes fine particles and acidic substances in the flue gas through the action of an electric field, thereby reducing the load of SO42- and other substances on the ionic liquid.

[0062] S3. Application of photocatalytic reactors: Utilizing photocatalytic principles to perform secondary decomposition of acidic substances not only improves deacidification efficiency but also converts acidic substances, reducing secondary pollution. Visible light-activated catalysts improve energy efficiency and reduce the need for additional energy.

[0063] S4. Carbon dioxide capture: By capturing and storing carbon dioxide produced during the photocatalytic process, greenhouse gas emissions are reduced, which plays a positive role in combating climate change.

[0064] S5. Ultrasonic technology enhanced separation unit: The application of ultrasonic technology enhances the efficiency of the separation process, making the recovery of acidic substances more thorough, reducing waste generation, and improving resource utilization.

[0065] S6. Application of microbial treatment units: Utilize specific microorganisms to degrade organic acidic substances and convert them into harmless or more easily handled forms, reducing the burden on the environment and increasing the biological sustainability of the treatment process.

[0066] S7. Integration of energy optimization system and renewable energy: The application of intelligent energy optimization system and renewable energy reduces the energy consumption of the entire deacidification process, promotes efficient use of energy, reduces operating costs, and reduces environmental impact.

[0067] S8. Use of waste conversion module: Converting recycled acidic substances into industrial-grade chemical raw materials realizes the resource utilization of waste, reduces the energy and cost required for waste treatment, and also alleviates environmental pressure.

[0068] The S1 step specifically includes the following steps:

[0069] S1-1. Use high-efficiency particulate matter filters to remove particulate matter in flue gas, including dust, ash and other suspended particles;

[0070] S1-2. Adjust the flue gas temperature through the heat exchanger to ensure that the flue gas reaches the optimal temperature for treatment in the scrubber, which ranges from 20℃ to 80℃.

[0071] Specifically, 1. Particle removal (S1-1): Improves the efficiency and effectiveness of subsequent treatment steps and prevents wear and tear on scrubbers and other deacidification equipment. By reducing equipment wear and blockage, it extends equipment life and reduces maintenance costs.

[0072] 2. Flue gas temperature adjustment (S1-2): By adjusting the flue gas temperature, the flue gas temperature reaches the range most suitable for acid mist absorption and chemical reaction, which optimizes the absorption efficiency and reaction kinetics of the deacidifier and increases the efficiency of acid mist removal.

[0073] The S3 step specifically includes the following steps:

[0074] S3-1. Select a photocatalyst that can be activated under visible light to promote the photochemical decomposition of acidic substances in the flue gas;

[0075] S3-2. Use light reflection design in the photocatalytic reactor to increase light intensity and improve photocatalytic efficiency.

[0076] Specifically, 1. Photocatalyst Selection (S3-1): Visible light-activated photocatalysts can effectively utilize sunlight or artificial light sources, reducing energy consumption while simultaneously decomposing acidic substances in flue gas. Such photocatalysts can convert harmful acidic substances in flue gas into harmless or more easily treated substances, reducing the need for chemical additives and lowering treatment costs during flue gas treatment.

[0077] 2. Application of Light Reflection Design (S3-2): Light reflection design increases the light intensity inside the reactor, improving the activity and reaction rate of the photocatalyst. This design maximizes the utilization of light energy, accelerates the decomposition of acidic substances, improves the efficiency and speed of flue gas treatment, and also reduces energy consumption.

[0078] Step S2 specifically includes the following steps:

[0079] S2-1. Select a specific metal-organic framework material to absorb various acidic substances in flue gas;

[0080] S2-2. Set up multi-stage contact zones in the scrubbing tower to ensure sufficient contact and mixing between the flue gas and the deacidifying agent to improve the absorption efficiency of the acid mist.

[0081] Specifically, 1. Selection of specific metal-organic framework materials (S2-1): MOF materials, due to their high specific surface area and adjustable pore structure, can provide higher absorption capacity and selectivity, and effectively absorb a variety of acidic substances in flue gas. The use of this material reduces the consumption and replacement frequency of the deacidification agent, reduces operating costs, and improves the environmental friendliness of the deacidification process. 2. Setting up a multi-stage contact zone (S2-2): Setting up a multi-stage contact zone in the scrubbing tower can ensure sufficient contact and mixing between the flue gas and the deacidification agent, thereby improving the absorption efficiency and reaction rate. This design optimizes the use efficiency of the deacidification agent, ensures the efficient removal of acidic substances in the flue gas, and also helps to reduce the size and material usage of the scrubbing tower, further reducing equipment investment and maintenance costs.

[0082] Step S4 specifically includes the following steps:

[0083] S4-1. Set up a carbon dioxide capture system to use adsorbents or absorbents to efficiently capture carbon dioxide produced by the photocatalytic reaction;

[0084] S4-2. Compress and liquefy the captured carbon dioxide for easy storage and transportation.

[0085] Specifically, 1. Carbon dioxide capture (S4-1): Efficiently capturing carbon dioxide through adsorbents or absorbents reduces greenhouse gas emissions and plays a positive role in combating climate change. After capturing carbon dioxide, it can be prevented from being released into the atmosphere, reducing the impact of industrial activities on the environment and complying with environmental protection standards and policy requirements. 2. Carbon dioxide compression and liquefaction (S4-2): Compressing and liquefying carbon dioxide makes it easier to store and transport, facilitating the further use or safe storage of carbon dioxide. This process not only improves storage efficiency, but also reduces transportation costs, allowing captured carbon dioxide to be used for industrial applications, such as enhanced oil and gas recovery, the manufacture of carbonated beverages, or underground storage, further reducing environmental impact.

[0086] Step S5 specifically includes the following steps:

[0087] S5-1. Use an ultrasonic generator to generate high-frequency ultrasonic waves to enhance the separation process of residual acidic substances in the flue gas through the energy of the sound waves;

[0088] S5-2. A collecting device is provided in the separation unit to collect and recover the acidic substances separated by the ultrasonic wave.

[0089] Specifically, 1. Ultrasonic enhanced separation (S5-1): High-frequency ultrasonic waves can destroy the aggregation state of acidic substances and improve their dispersion in the flue gas, thereby enhancing the efficiency of the separation process. The application of ultrasonic waves enables smaller particles of acidic substances to be effectively separated and captured, reducing the emission of acidic substances and making a significant contribution to environmental protection. 2. Application of collection device (S5-2): The collection device set in the separation unit can effectively recover the acidic substances separated by ultrasonic waves, thereby improving the recovery rate and utilization value of resources. By recycling and reusing acidic substances, this step not only reduces the generation of waste, but also has the potential to convert these substances into valuable resources, further promoting the sustainable development of industrial processes.

[0090] Step S6 specifically includes the following steps:

[0091] S6-1. Screening of microorganisms with high degradation capacity for specific organic acidic substances in flue gas;

[0092] S6-2. Maintain appropriate environmental conditions in the microbial treatment unit, including temperature, pH value and nutrient supply, to ensure the activity and degradation efficiency of the microorganisms.

[0093] Specifically, 1. Screening for Specific Microorganisms (S6-1): By screening for microorganisms with high degradation capabilities for specific organic acids, pollutants in flue gas can be treated in a targeted manner, improving degradation efficiency. This screening ensures a highly efficient and targeted treatment process, reduces the impact on non-specific pollutants, and improves the efficiency and stability of the entire treatment system.

[0094] 2. Environmental Condition Control of the Microbial Treatment Unit (S6-2): Maintaining appropriate environmental conditions, such as temperature, pH, and nutrient availability, is key to ensuring microbial activity and degradation efficiency. Precise control of these conditions maximizes microbial degradation capacity, speeding up the treatment process while ensuring process stability and reliability, reducing the need for unplanned downtime and maintenance.

[0095] Step S7 specifically includes the following steps:

[0096] S7.1. Install energy monitoring sensors to monitor the energy consumption of each processing unit in real time;

[0097] S7.2. Based on energy consumption data, the intelligent control system automatically adjusts operating parameters to optimize energy use.

[0098] Specifically, 1. Energy monitoring sensor installation (S7.1): Real-time monitoring of energy consumption in each processing unit provides the necessary data support for analyzing and optimizing the energy efficiency of the entire flue gas treatment system. By accurately monitoring energy consumption, high-energy-consuming areas in the system can be identified, providing a basis for subsequent optimization, helping to reduce operating costs and minimize energy waste.

[0099] 2. Application of Intelligent Control Systems (S7.2): Automatically adjust operating parameters based on energy consumption data, minimizing energy consumption while ensuring effective treatment. This intelligent adjustment improves the system's adaptability and flexibility, reduces human intervention, ensures continuous optimization of energy use, and contributes to environmental protection.

[0100] Step S8 specifically includes the following steps:

[0101] S8.1. The recovered acidic substances are sent to a conversion module to be converted into valuable chemical raw materials through chemical reactions;

[0102] S8.2. Implement online monitoring and control to ensure the stability of the waste conversion process and the quality of the conversion products.

[0103] The online quality monitoring system in step S8 includes sensors, analytical instruments and data processing software, which can monitor and adjust product quality parameters in real time.

[0104] Specifically, 1. Chemical conversion of waste (S8.1): Recovered acidic substances are converted into valuable chemical raw materials through chemical reactions, achieving resource utilization of waste and reducing the environmental burden of waste disposal. This conversion not only reduces the final discharge of waste but also creates economic value, promoting resource recycling and sustainable development.

[0105] 2. Online Monitoring and Control System (S8.2): Real-time monitoring of the conversion process and product quality ensures conversion efficiency and product quality, improving process reliability and stability. By timely adjusting operating parameters, conversion efficiency can be maximized, defective products can be reduced, and product quality can be guaranteed to meet standards, thereby improving the economic and environmental benefits of the entire conversion process.

[0106] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A method for removing acid mist from flue gas, characterized in that: The following steps are involved: S1. Pre-treat the flue gas, including temperature adjustment and particulate matter removal, to improve the efficiency of subsequent acid mist absorption treatment; S2, introducing the flue gas into a scrubber containing a deacidification agent modified based on metal-organic framework materials through a high-efficiency electric demisting device for preliminary acid mist absorption treatment; S3. Using a photocatalytic reactor to activate the catalyst using visible light to perform secondary decomposition and conversion of acidic substances in the preliminarily treated flue gas; S4. Introducing a carbon dioxide capture process in S3 to separate and store the carbon dioxide generated during the photocatalytic process, thereby reducing greenhouse gas emissions; S5. Utilizes ultrasonic technology to enhance the separation unit to deeply purify the treated flue gas and effectively separate and recover acidic substances; S6. Using a microbial treatment unit to further degrade residual organic acidic substances using microorganisms; S7. Through an intelligent energy optimization system and renewable energy system, the energy consumption of the entire deacidification process is monitored and optimized to achieve efficient energy utilization; S8. Utilize an integrated waste conversion module, in conjunction with an online quality monitoring system, to convert recovered acidic substances into industrial-grade chemical raw materials, thus achieving resource recycling.

2. The method for removing acid mist from flue gas according to claim 1, wherein: The S1 step specifically includes the following steps: S1-1. Use high-efficiency particulate matter filters to remove particulate matter in flue gas, including dust, ash and other suspended particles; S1-2. Adjust the flue gas temperature through the heat exchanger to ensure that the flue gas reaches the optimal temperature for treatment in the scrubber, which ranges from 20℃ to 80℃.

3. The method for removing acid mist from flue gas according to claim 1, characterized in that: The S3 step specifically includes the following steps: S3-1. Select a photocatalyst that can be activated under visible light to promote the photochemical decomposition of acidic substances in the flue gas; S3-2. Use light reflection design in the photocatalytic reactor to increase light intensity and improve photocatalytic efficiency.

4. The method for removing acid mist from flue gas according to claim 1, characterized in that: The S2 step specifically includes the following steps: S2-1. Selecting a metal-organic framework material to absorb various acidic substances in flue gas; S2-2. Set up multi-stage contact zones in the scrubbing tower to ensure sufficient contact and mixing between the flue gas and the deacidifying agent to improve the absorption efficiency of the acid mist.

5. The method for removing acid mist from flue gas according to claim 1, characterized in that: The S4 step specifically includes the following steps: S4-1. Set up a carbon dioxide capture system to use adsorbents or absorbents to efficiently capture carbon dioxide produced by the photocatalytic reaction; S4-2. Compress and liquefy the captured carbon dioxide for easy storage and transportation.

6. The method for removing acid mist from flue gas according to claim 1, characterized in that: The S5 step specifically includes the following steps: S5-1. Use an ultrasonic generator to generate high-frequency ultrasonic waves to enhance the separation process of residual acidic substances in the flue gas through the energy of the sound waves; S5-2. A collecting device is provided in the separation unit to collect and recover the acidic substances separated by the ultrasonic wave.

7. The method for removing acid mist from flue gas according to claim 1, characterized in that: The S6 step specifically includes the following steps: S6-1. Screening microorganisms with high degradation ability for organic acid substances in flue gas; S6-2. Maintain appropriate environmental conditions in the microbial treatment unit, including temperature, pH value and nutrient supply, to ensure the activity and degradation efficiency of the microorganisms.

8. The method for removing acid mist from flue gas according to claim 1, characterized in that: The S7 step specifically includes the following steps: S7.

1. Install energy monitoring sensors to monitor the energy consumption of each processing unit in real time; S7.

2. Based on energy consumption data, the intelligent control system automatically adjusts operating parameters to optimize energy use.

9. The method for removing acid mist from flue gas according to claim 1, characterized in that: The step S8 specifically includes the following steps: S8.

1. The recovered acidic substances are sent to a conversion module to be converted into valuable chemical raw materials through chemical reactions; S8.

2. Implement online monitoring and control to ensure the stability of the waste conversion process and the quality of the conversion products.

10. The method for removing acid mist from flue gas according to claim 1, characterized in that: The online quality monitoring system in step S8 includes sensors, analytical instruments and data processing software, which can monitor and adjust product quality parameters in real time.

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