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Help CenterIndustrial Organic Waste Gas Purifier - Multi-Variant Precious Metal Catalysts
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Industrial Waste Gas Categories: Overview
1. Volatile Organic Compounds (VOCs)
Sources: Chemical plants, painting/coating facilities, printing, petrochemical refining.
Key Pollutants: Benzene, toluene, formaldehyde, acetone.
Treatment Technologies: Catalytic oxidation, activated carbon adsorption, thermal incineration.
2. Inorganic Acid Gases
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.
3. Particulate Matter (PM)
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).
4. Odorous Gases
Sources: Wastewater treatment, food processing, landfills.
Key Compounds: Hydrogen sulfide (H₂S), ammonia (NH₃), mercaptans.
Treatment: Biofilters, chemical scrubbers, ozone oxidation.
5. Heavy Metal Vapors & Particulates
Sources: Metallurgy, electronic waste recycling, battery manufacturing.
Pollutants: Lead (Pb), mercury (Hg), cadmium (Cd), arsenic (As).
Control: Fabric filters with chemisorption media, wet ESPs.
6. Greenhouse Gases (GHGs)
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.
Treatment Technology Selection Guide
| Gas Type | Recommended Technology |
|---|---|
| VOCs | RTO (Regenerative Thermal Oxidizer), adsorption towers |
| Acid Gases (SOₓ/NOₓ) | SCR/SNCR, wet limestone scrubbers |
| PM | Bag filters, cyclone separators |
| Odors | Activated carbon adsorption, UV photolysis |
| Heavy Metals | HEPA filtration, sintering encapsulation |
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