Mercury Sorbent Trap System

Amesa-M

Meets the US EPA Performances Standard 12 B mentioned in the US Portland Cement Rules and the new MATS (Mercury and Air Toxics Standards)

More than 25 years of experience in continuous sampling of Dioxins and Furans (PCDD/PCDF) with the MCERTs & TÜV certified AMESA system, have benefited to the design of the of the continuous mercury sampler AMESA-M.

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    Mercury emission monitoring by sorbent traps is a good and practical alternative to conventional Hg CEMS with the following features and advantages:

  • First part in which the sampled flue gas is coming into contact is the trap therefore no risk of losses in sampling probe and sampling line
  • Low maintenance
  • Paired sorbent traps for quality assurance purposes
  • Suitable independant from the mercury concentrations. Limit of detection can be influenced by correct selection of the sample gas flowrate and the sampling period
  • Availability > 95 %
  • No negative bias due to e.g. saturated gold trap or Hg+ converter like it can happen with a Hg-CEMS
  • Sorbent Trap Monitoring System (STMS according to US-Environmental Protection Agency (EPA) performance standard 12B
  • Extracts a part of the flue-gas through a heated sampling probe
  • Sampling of mercury on paired sorbent traps (for QA purposes, as required by regulations)
  • Fully automatic sampling between 30 minutes and 4 weeks
  • Storage of operating data protocol
  • The AMESA-M system has a fully functional HMI at the probe.
  • All system parts are installed in an IP54 enclosure (wall-mounted / cabinet version)
  • Household waste incinerators and special waste
  • Cogeneration, gas turbines
  • Industrial boilers and furnaces
  • Power generation and combustion plants
  • Chemical & petrochemical plants
  • Cement plants
Technical Specifications
Measuring range:
(total mercury)
0.01 – 1000μg/m3
Sampling period: from 15 minutes up to 4 weeks
Flue gas temperature: < 200˚C with heated probe
> 200˚C on request
Max. dust concentration in flue gas: 20 mg/m3
Operating temperature: +5 to +40˚C
(optional with air conditioner: -20 to + 55˚C)
Max. relative humidity (control cabinet): 50%
Control cycle volume-proportional extraction: 1 sec
Accuracy flue gas velocity measurement: ±1% of the full scale value
Volume measurement accuracy: ±1.5 % of the measuring range end value
Cabinet housing:
  • Dimension: (H×W×D) 1850 × 600 × 500mm
  • Weight: approx. 160kg
  • Number of heating circuits: 5 max., 2× probe, 3× heated sample gas line
Wall-mounted housing
  • Dimension: (H×W×D) 1000 × 800 × 300mm
  • Weight: approx. 70kg
  • Number of heating circuits: 3 max, 2× probe, 1× heated sample gas line
SUPPLY
Voltage: 230VAC, 50Hz (optionally 115V, 50/60Hz)
Consumption (without heating circuits): approx. 0.85kW
Fuse: 20A
Instrument air (for optional Pitot tube): 3 to 7 bar,
dry and oil-free
Instrument air connection: hose connection 8×1 or 6×1mm

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