What industrial waste gas is mainly treated by industrial waste gas purification

Industrial waste gas treatment equipment mainly purifies and treats organic waste gas purification, mainly including various hydrocarbons, aromatic hydrocarbons, alcohols, aldehydes, acids, ketones and amines. Inorganic exhaust gas purification mainly includes sulfur oxides, nitrogen oxides, carbon oxides, halogens and their compounds

1. Spraying workshop exhaust gas purification, paint baking workshop exhaust gas purification, painting workshop exhaust gas purification: benzene waste gas treatment, toluene waste gas treatment, xylene waste gas treatment, TVOC waste gas treatment, paint mist particles, etc.;

2. Air exhaust gas purification in spice workshop, cosmetics workshop and food workshop: methyl methacrylate, ethyl acetate, ethyl acetoacetate, aldehydes, ammonia, trimethylamine, hydrogen sulfide, methyl mercaptan, methyl sulfide, dimethyl disulfide, etc.;

3. Air exhaust gas purification in petrochemical plants: sulfur dioxide, nitrogen oxides, soot, benzopyrene, non-methane total hydrocarbons, hydrogen sulfide, volatile phenols, amines, hydrocarbons, benzene, acrylonitrile, cyclohexane, ammonia, ethylene, styrene, butadiene, propylene, vinyl chloride, etc.;

4. Iron and steel plant waste gas treatment, steel plant waste gas treatment: sulfur dioxide, carbon dioxide, carbon monoxide, hydrogen fluoride, some volatile organic compounds, soot, dust;

5. Air exhaust gas purification in printing workshop: benzene waste gas treatment, toluene waste gas treatment, xylene waste gas treatment; Butyl acetate, non-methane total hydrocarbons, etc.;

6. Biopharmaceutical waste gas purification, chemical plant waste gas purification: amines, sulfides, acid and alkali waste gases, ethylene glycols, volatile organic solvents, etc.

7. Welding workshop exhaust gas purification: carbon monoxide, carbon dioxide, sulfur dioxide and other welding fumes, particulate matter, benzene organic matter, nitrogen oxides, ozone, etc.;

8. Furniture factory exhaust gas purification: benzene waste gas treatment, toluene waste gas treatment, xylene waste gas treatment, formaldehyde, etc.

9. Power plant exhaust gas purification: sulfur dioxide, nitrogen dioxide, carbon monoxide, unburned hydrocarbons, soot particles, dust, etc.;

10. Rubber factory exhaust gas purification: organic sulfide, benzene waste gas treatment, toluene waste gas treatment, xylene waste gas treatment, organic gases containing phosphorus, phenol, ketones and other toxic and harmful components, alkanes, industrial dust, etc.; 11. Cement plant exhaust gas purification: sulfur dioxide, nitrogen oxides, carbon dioxide, hydrofluoric acid, dust, etc.;

01 Spraying workshop exhaust gas purification, baking paint workshop exhaust gas purification, painting workshop exhaust gas purification: benzene waste gas treatment, toluene waste gas treatment, xylene waste gas treatment, TVOC waste gas treatment, paint mist particles, etc.

02 Air exhaust gas purification in spice workshop, cosmetics workshop and food workshop: methyl methacrylate, ethyl acetate, ethyl acetate, aldehydes, ammonia, trimethylamine, hydrogen sulfide, methyl mercaptan, methyl sulfide, dimethyldisulfide, etc.

03 Air exhaust gas purification in petrochemical plants: sulfur dioxide, nitrogen oxides, soot, benzopyrene, non-methane total hydrocarbons, hydrogen sulfide, volatile phenols, amines, hydrocarbons, benzene, acrylonitrile, cyclohexane, ammonia, ethylene, styrene, butadiene, propylene, vinyl chloride, etc.

04 Waste gas treatment of iron and steel plants, waste gas treatment of steel mills: sulfur dioxide, carbon dioxide, carbon monoxide, hydrogen fluoride, some volatile organic compounds, soot, dust.

05 Air exhaust gas purification in printing workshop: benzene waste gas treatment, toluene waste gas treatment, xylene waste gas treatment; Butyl acetate, non-methane total hydrocarbons, etc.;

06 Biopharmaceutical waste gas purification, chemical plant exhaust gas purification: amines, sulfides, acid and alkali waste gases, ethylene glycols, volatile organic solvents, etc.

07 Welding workshop exhaust gas purification: carbon monoxide, carbon dioxide, sulfur dioxide and other welding fumes, particulate matter, benzene organic matter, nitrogen oxides, ozone, etc.

08 Furniture factory exhaust gas purification: benzene waste gas treatment, toluene waste gas treatment, xylene waste gas treatment, formaldehyde, etc.

09Power plant exhaust gas purification: sulfur dioxide, nitrogen dioxide, carbon monoxide, unburned hydrocarbons, soot particles, dust, etc.; 10. Rubber factory exhaust gas purification: organic sulfide, benzene waste gas treatment, toluene waste gas treatment, xylene waste gas treatment, organic gases containing phosphorus, phenol, ketones and other toxic and harmful components, alkanes, industrial dust, etc.;

Cement plant exhaust gas purification: sulfur dioxide, nitrogen oxides, carbon dioxide, hydrofluoric acid, dust, etc.

Hello landlord, according to the questions you raised, the following will be answered in detail for you:

Classified according to the nature of the exhaust gas source

The waste gas generated by human industrial production activities is called industrial waste gas (including fuel combustion waste gas and production process waste gas); The waste gas produced by human life activities is called domestic waste gas; The exhaust gas generated by human transportation activities is called traffic exhaust gas, including automobile exhaust gas (automobile exhaust gas), high-altitude aircraft exhaust gas, train and ship exhaust gas, etc.; The waste gas produced by human agricultural activities is called agricultural waste gas.

Classification according to the pollutants contained in the exhaust gas

According to the classification of the physical form of the pollutants contained, it can be divided into: exhaust gas containing particulate matter, gaseous pollutants, etc. It can also be specifically divided into:

Waste gas containing soot, industrial dust waste gas, coal dust waste gas, sulfur-containing compound waste gas, nitrogen-containing compound waste gas, carbon-containing oxide waste gas, halogen-containing compound waste gas, hydrocarbon-containing compound waste gas, etc.

Classified according to the process of exhaust gas formation

The pollutants directly discharged by the primary pollutant from the pollution source are called primary pollutants, and their physical and chemical properties have not changed;

Secondary pollutants are called secondary pollutants when they react chemically with primary pollutants in the atmosphere or between them and normal components of the atmosphere. It is often more harmful to the environment and human body than a primary pollutant.

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1.Spraying workshop exhaust gas purification.

2.Fragrance workshop, cosmetics workshop.

3.Purification of air exhaust gas in petrochemical plants.

Industrial waste gas treatment equipment can treat many types of waste gas, according to the composition and nature of waste gas, select the corresponding treatment technology and equipment. Common industrial waste gas treatment equipment includes:

Spray tower: It is suitable for the treatment of water-soluble waste gas, and dissolves and absorbs the pollutants in the exhaust gas through the spray liquid.

Activated carbon adsorption equipment: It is suitable for the treatment of organic waste gas and gaseous pollutants, and absorbs pollutants in waste gas through activated carbon adsorption.

Incineration equipment: It is suitable for the treatment of high-concentration organic waste gas, especially refractory organic matter, and oxidizes and decomposes the organic matter in the waste gas through high-temperature combustion.

Biological treatment equipment: suitable for the occasion that the exhaust gas contains organic matter, and converts the organic matter in the exhaust gas into harmless substances through biodegradation.

Membrane separation equipment: suitable for separating mixed gases or liquids, separating harmful substances from other components through membrane separation of different permeability.

Ion exchange equipment: It is suitable for the treatment of gaseous pollutants and aerosols in the exhaust gas, and the pollutants in the exhaust gas are removed through ion exchange.

In short, according to different waste gas components and treatment requirements, the selection of corresponding industrial waste gas treatment equipment can achieve efficient, economical and environmentally friendly waste gas treatment effects.

Hello landlord, according to the questions you raised, the following will be answered in detail for you:

Industrial waste gas treatment equipment is used for exhaust gas purification equipment produced by enterprises in the production process, commonly used catalytic combustion equipment, activated carbon adsorption equipment, waste gas purification tower, zeolite runner, plasma waste gas treatment equipment, biological deodorization equipment, UV photolysis equipment, monitoring equipment, etc., which are commonly used by enterprises Industrial waste gas environmental protection equipment.

Industrial waste gas treatment unitsCompared with the air purifier in civil places, the industrial waste gas treatment device has the characteristics of large size, high power, large air volume, energy saving and environmental protection, and good exhaust gas purification effect, which can be effectively removedBenzene, toluene, xylene, ethyl acetate, acetone, butanone, ethanol, acrylic acid, formaldehyde and other VOCs organic waste gases produced by industrial exhaust in factory workshops can also remove inorganic acid and alkali waste gases such as hydrogen sulfide, sulfur dioxide, and ammonia.

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Absorption equipment.

Adsorption equipment. Combustion and catalytic purification equipment for organic waste gas.

Low-temperature plasma treatment equipment for industrial organic waste gas.

First of all, it is necessary to determine which aspect of the waste gas in the industrial workshop is dust or odor, these two treatment methods are different, and the photolysis waste gas purification device of Shengtang Environmental Protection can be used to deal with the odor of the workshop.

1. The operator should be familiar with the structure and principle of the equipment, and be able to operate the equipment proficiently. Before operation, the power should be turned on correctly according to the equipment manual, check whether the equipment is operating normally, and check whether the pipeline of the equipment is normal.

2. During the operation, the equipment should be maintained and maintained regularly. For example, the filters inside the equipment should be cleaned at regular intervals to avoid the accumulation of dirt and affect the treatment effect. Also check the vent of the equipment frequently to ensure that it is unobstructed and exhaust gases are effectively discharged.

3. The operator should pay attention to the operation of the equipment, find the problem of the equipment in time and deal with it. For example, if the equipment has a problem such as a blocked air vent, equipment failure, etc., it should be dealt with and repaired immediately.

Plasma light itch decomposition machine decomposition method; catalytic combustion; Xinhua media decomposition method, etc., "clear water and blue sky environmental protection platform", go and take a look.

1. Active adsorption method:In the organic waste gas treatment group, adsorption is one of the methods with good treatment effect and wide use, and the adsorbents are activated carbon, diatomaceous earth, zeolite, etc., among which activated carbon adsorption is the most widely used. Through the adsorption system, not only can the VOC concentration be greatly reduced and the exhaust gas emission standard can be realized, but also the collected matter can be reused for production through air stripping desorption after adsorption.

2. Combustion treatment method:VOC is an organic volatile substance, flammable, can be treated by room temperature or catalytic oxidation combustion, and the gas is burned into the boiler or incinerator by the induced air pipeline, but the high-temperature organic gas must also go through safety demonstration. This method is relatively complete, and can basically convert VOC into CO2 and H2O.

3. Condensation collection method:The high-temperature organic gas of the reactor can be collected by condensation, first with direct condensation and then spiral condensation, the degassing effect of this method is obvious, easy to operate, low operating cost, but the effect of low boiling point gas is not good.

Precautions for VOC exhaust gas adsorption treatment.

1. The ionizer is composed of ionic tubes, which are fragile objects and need to be handled with care. The direction of gas flow corresponds to the angle of the ion tube.

2. The ionizer should not be in direct contact with gases containing flammable and explosive, and if it contains explosive gases, it is necessary to change the installation method.

3. VOC waste gas treatment process methods include spray + plasma, spray + UV photolysis, spray + photolysis plasma, microbial method, RCO combustion method, and concentration method. In practical engineering application, microbial method can be considered for places with small gas volume and low concentration. For waste gas with flammable properties, it is generally recommended to use spray pretreatment and then other virtual early treatment processes.

The above content refers to Encyclopedia-VOC

Encyclopedia - Exhaust gas treatment.

There are several methods for industrial waste gas treatment:

1.Combustion method: The principle of high-temperature oxidation is used to convert harmful substances in the exhaust gas into harmless substances.

2.Adsorption method: use adsorbents to adsorb harmful substances in the exhaust gas and separate the harmful substances in the exhaust gas.

3.Activated carbon adsorption method: the activated carbon is used to adsorb the harmful substances in the exhaust gas, so as to achieve the purpose of purifying the waste gas.

4.Cold draft coagulation method: use a condenser to condense the harmful substances in the exhaust gas into liquid, and then separate the liquid through a separator.

5.Membrane separation method: use a membrane filter or membrane separator to separate the harmful substances in the ear from the gas in the exhaust gas.

6.Biodegradation method: microorganisms are used to degrade harmful substances in the exhaust gas, so as to achieve the purification of the exhaust gas.

Pollution prevention and control measures for cement industry.

The production process of the cement industry is complex, and there are many links that produce pollution, so the enterprise needs to upgrade the whole process of organized emissions, unorganized emissions, and clean transportation of air pollutants in all production links (crushing, batching, rotary kiln calcination, drying, cement grinding, cement product processing, etc., as well as bulk material product storage and transportation), and simultaneously build monitoring and monitoring facilities, and carry out thorough transformation from all links and various equipment to reduce pollution emissions.

On the one hand, the integration of ultra-low emission control and governance should be fully implemented. In the whole process, each link should do a good job in monitoring organized and unorganized emissions, and make governance measures according to local conditions according to the analysis results. The integrated platform of ultra-low emission control and governance of Jiujiu intelligent environmental protection carries out intelligent and scientific monitoring, control and governance of unorganized emissions generated in each link of cement enterprises.

On the other hand, take a clean shipping method. In the production process of cement enterprises, all materials are transported in a clean way to prevent pollution of materials in the transportation process. The clean transportation access control management system developed by Jiujiu Intelligent Environmental Protection can not only help enterprises establish clean transportation accounts, but also achieve multi-functional control goals such as vehicle filing, entry and exit control, and illegal disposal.

With the continuous tightening of environmental protection policies and the development needs of the industry, pollution prevention and control is an important guarantee for the transformation and upgrading of cement enterprises and green development.