A denitrifying agent is a chemical substance or catalyst used to reduce nitrogen oxide (NOx) emissions. It is widely applied in industrial production, power plants, automotive exhaust treatment, and other fields to mitigate the environmental impact of nitrogen oxides generated during combustion processes. Common denitrification technologies include Selective Catalytic Reduction (SCR), Selective Non-Catalytic Reduction (SNCR), and integrated ammonia-based desulfurization and denitrification processes.
Product Introduction:
Environmentally friendly, high-efficiency denitrifying agents typically use catalyst-free formulations, with amino-containing reducing agents as the primary active components. These agents are injected into the furnace, where they react with NOₓ to produce harmless nitrogen gas and water vapor. Examples include urea-foam denitrifying agents, calcium-based denitrifying agents, and activated carbon adsorption denitrifying agents.These agents can also be classified by reaction temperature into low-temperature denitrifying agents and polymeric denitrifying agents. Polymeric denitrifying agents are further subdivided into urea-based, amino acid-based, and hybrid-type polymeric denitrifying agents.
Common types of denitrifying agents include:
Environmentally friendly, high-efficiency denitrifying agents typically use catalyst-free formulations, with amino-containing reducing agents as the primary active components. These agents are injected into the furnace, where they react with NOₓ to produce harmless nitrogen gas and water vapor. Examples include urea-foam denitrifying agents, calcium-based denitrifying agents, and activated carbon adsorption denitrifying agents.These agents can also be classified by reaction temperature into low-temperature denitrifying agents and polymeric denitrifying agents. Polymeric denitrifying agents are further subdivided into urea-based, amino acid-based, and hybrid-type polymeric denitrifying agents.
Ammonium carbamate denitrifying agent: composed of ammonium carbamate and a stabilizer based on alcohol-containing amide compounds. It features high ammonia content per unit mass, high ammonia-generation efficiency, low energy consumption for ammonia production, ease of storage, high solubility, low corrosivity, absence of toxic or harmful components to the denitrification system, and a low thermal decomposition temperature.
Denitrification Reducing Agent for Power Plants: a high-tech, environmentally friendly product specifically formulated with pure ammonia, compliant with the standard GB 29518-2015.
Product Advantages
Environmental Friendliness: Capable of reducing nitrogen oxides (NOₓ) into harmless nitrogen gas and water vapor, thereby lowering NOₓ emissions to meet national environmental emission standards. Some denitrifying agents also offer the added benefit of producing no secondary pollution.
High Efficiency: Compared to conventional denitrifying agents, certain environmentally friendly, high-efficiency denitrifying agents offer significantly higher NOₓ removal efficiency.
Safety: Certain denitrification reducing agents used in power plants are non-toxic and harmless, ensuring safe handling. They are not classified as hazardous chemicals, thereby simplifying transportation and storage. This avoids the regulatory constraints associated with hazardous substances like liquid ammonia, including those related to permitting, project timelines, and land use requirements.
Performance Characteristics: Ammonium carbamate-based denitrifying agents feature high ammonia content per unit mass, high ammonia generation efficiency, low energy consumption, ease of storage, high solubility, low corrosivity, and a low thermal decomposition temperature.
Service Industries:
Power Generation Industry: The combustion of coal during power generation in thermal power plants produces large amounts of nitrogen oxides (NOₓ). Denitrifying agents can be used for flue gas denitrification in power plant boilers, helping facilities comply with environmental emission regulations.
Chemical Industry: Nitrogen oxide (NOₓ)-containing exhaust gases are generated during chemical production processes, and denitrifying agents can be used to treat these emissions.
Cement Industry: The calcination of cement clinker generates significant amounts of nitrogen oxides (NOₓ). Denitrifying agents can be used for NOₓ removal in cement production processes.
Solid Waste Incineration Industry: High-temperature industrial processes such as solid waste incineration are among the major sources of nitrogen oxide (NOₓ) emissions. Denitrifying agents can be used to reduce NOₓ emissions from flue gases in this industry.
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