Industrial Organic Waste Gas Purifier - Multi-Variant Precious Metal Catalysts

Industrial Waste Gas Categories: Overview

• Sources: Chemical plants, painting/coating facilities, printing, petrochemical refining.

• Key Pollutants: Benzene, toluene, formaldehyde, acetone.

• Treatment Technologies: Catalytic oxidation, activated carbon adsorption, thermal incineration.

• Sources: Semiconductor manufacturing, battery production, metal pickling.

• Key Pollutants:

• Sulfur Oxides (SOₓ): From fuel combustion.

• Nitrogen Oxides (NOₓ): High-temperature industrial processes.

• Hydrogen Chloride (HCl)/Hydrogen Fluoride (HF): Chemical synthesis.

• Treatment: Wet scrubbers (alkaline solutions), dry sorbent injection.

• Types:

• Dust: Cement plants, mining (e.g., silica, coal).

• Fumes: Welding, smelting (metal oxides).

• Smoke: Incomplete combustion (carbon particles).

• Control: Baghouse filters, electrostatic precipitators (ESPs).

• Sources: Wastewater treatment, food processing, landfills.

• Key Compounds: Hydrogen sulfide (H₂S), ammonia (NH₃), mercaptans.

• Treatment: Biofilters, chemical scrubbers, ozone oxidation.

• Sources: Metallurgy, electronic waste recycling, battery manufacturing.

• Pollutants: Lead (Pb), mercury (Hg), cadmium (Cd), arsenic (As).

• Control: Fabric filters with chemisorption media, wet ESPs.

• Key Components:

• Carbon dioxide (CO₂): Fossil fuel combustion.

• Methane (CH₄): Oil/gas production, agriculture.

• Nitrous oxide (N₂O): Fertilizer application, combustion.

• Mitigation: Carbon capture, process optimization, renewable energy transition.