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Mercury Emissions Removal – Your Qualified Partner

Mercury exposure poses a well-documented threat to human health as a neurotoxin. Since mercury is a naturally occurring element in the earth’s crust, certain processes such as mining and combustion of fossil fuel cause mercury to spread and contaminant both air and water.

Mercury Emissions Control – Your Qualified Partner

Mercury Emission Control – Your Qualified Partner

APC’s team has experience with mercury emission control on exhaust gas streams from a wide range of industrial and municipal processes including:

  • Sewage sludge incinerators
  • Gold production
  • Silver, antimony and other metal production
  • Municipal, medical, and hazardous waste incinerators
  • LNG production
  • Utility boilers and other small coal-fired boilers
  • Waste-to-energy plants
  • Other industrial exhaust streams

Mercury emission control systems that remove mercury from natural gas in LNG production address the most difficult mercury emission control applications known. The very high gas pressure encountered (700-2,000 psi) dramatically slows diffusional kinetics, while at the same time extremely low residual mercury concentrations are required: 0.01 µg/Nm3 or lower. With necessary removal efficiencies at 99.99%, slow diffusional kinetics, and competition from C3 and heavier hydrocarbons in the natural gas, these applications are the most difficult mercury removal control applications that exist.

For mitigating airborne mercury emissions, APC’s mercury emission control products include activated carbon adsorption systems that use fixed carbon beds (MercPure FB Series) and power activated carbon injection systems (MercPure PAC Series).

APC’s MercPure Fixed Bed (FB) Series systems offer the highest removal efficiencies among mercury emission control systems by using fixed activated carbon adsorption beds of specialty carbon. APC is carbon media-independent and will select the best media available on the market for the application considering cost, performance, bed longevity, and safety. APC offers full gas pre-conditioning systems including mist removal, gas heating to reduce relative humidity (gas conditioning), and multiple options for particulate control to protect the activated carbon adsoprtion system bed from particulate fouling, such as APC’s unique Ultra High-Efficiency Filter (UHF®) unit, which can precede the adsorption vessel to provide ultra-fine condensed (liquid-phase) and solid-phase particulate control, greatly extending the activated carbon adsorption system bed life and also allowing continuous ; emission control at very high removal efficiency. Further to these features, APC designs its systems properly to eliminate exothermic events, unlike some other vendors in the industry, allowing reliable, continuous equipment operation without safety risks. Mercury emission control efficiencies by APC MercPure FB systems are frequently in the range of 99.9% or higher as measured through Owner compliance tests.

APC’s MercPure powdered activated carbon (PAC) Series injection systems for mercury emission control include PAC bulk bag unloading, metering and injection systems; all interconnecting ductwork and piping to take the PAC to main ductwork; reactors if/as necessary; and downstream fabric filter to deliver mid to high removal efficiencies (up to the low 90%’s).

Is your facility possibly in need of mercury emission control equipment? Please contact the APC Technologies team today.

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