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How does Tangshan Catalytic combustion unit exhaust gas treatment meet the standards

2021-10-28

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How does Tangshan Catalytic combustion unit exhaust gas treatment meet the standards?

Catalytic combustion is a typical gas-solid phase catalytic reaction, the essence of which is the oxidation of reactive oxygen species.

In the process of catalytic combustion, the function of the catalyst is to reduce the activation energy, while the surface of the catalyst has the adsorption effect, so that the reactant molecules are concentrated on the surface, improve the reaction rate and accelerate the reaction.

With the help of the catalyst, the waste gas can be burned flameless at a lower ignition temperature, and decomposed into CO2 and H2O by oxidation, while releasing a lot of heat energy, so as to achieve the method of removing substances in the waste gas.

In the process of catalytic combustion of exhaust gas, the exhaust gas is sent to the heat exchanger by the fan through the pipeline, and the exhaust gas is heated to the ignition temperature required for catalytic combustion, and then it is burned by the catalyst bed. Due to the presence of catalysts, the ignition temperature of catalytic combustion is about 250-300°C, lower than that of direct combustion of 650-800°C, so the energy consumption is much lower than that of direct combustion.

Adsorption concentration -- regenerative catalytic combustion equipment is composed of 3-7 units of adsorbers, which can carry out adsorption operations simultaneously or independently to concentrate large air volume and low concentration of waste gas into small flow rate and high concentration of waste gas. The concentrated high concentration gas is connected to the regenerative catalytic combustion equipment for oxidation treatment (high temperature purge combustion). The equipment is the adsorption material activated carbon, which can restore its adsorption performance. These operations cannot be performed simultaneously. Only one adsorber can perform desorption operations simultaneously. Please feel free to contact us if you need anything.

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