Dustex Corporation

- Model ACI - Activated Carbon Injection System


An Activated Carbon Injection (ACI) System is an engineered system from which powdered activated carbon (PAC) is pneumatically injected from a storage silo into the flue gas ductwork. The PAC adsorbs the mercury from the flue gas and is then collected with the fly ash in the plant’s particulate collection device. ACI is the most established commercial technology for reducing mercury emissions from flue gases. It has been proven through numerous full-scale demonstrations to be the most effective, cost efficient way to reduce mercury emissions from most boilers. Depending upon the type of fuel being burned and the type of air pollution control equipment installed at the plant, ACI can reduce mercury emissions by more than 90%.

Standard Design ACI Systems

Dustex offers a large selection of standard design ACI systems that are based on our years of experience with the coal-fired power and cement industries. These systems are designed to meet the rigorous requirements of the power plant environment and operate for extended time periods with little or no maintenance. Our standard top quality components have been chosen for their reliability and cost effective performance.

Custom Design ACI Systems

Dustex has extensive experience working with utilities, cement companies, and their engineering firms’ specifications for ACI systems. We can build our systems to meet the strict specifications required for your unique application and ensure that it will operate within all of the limits required. Our team of project engineers and designers will work closely with your engineering team to ensure that all specifications and requirements of the system are built into the ACI system to integrate seamlessly into the plant where it will be installed.

  • Mercury (Hg) removal
  • Dual loss-in-weight measurement
  • Eliminated leakage
  • Stainless Steel convey lines
  • Long radius elbows
  • Low capital cost
  • Small footprint
  • Integrated seamlessly
  • Flexible systems (sorbent)
  • Meet rigorous plant requirements
  • Turnkey solutions
  • Years of experience
  • Operate within the required limits
  • Operate for extended time periods with little or no maintenance
  • Guarantees on installation and start-up

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