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MIRATECH Solutions Guide

MIRATECH is the expert in providing fully integrated, proven exhaust compliance solutions for anyone using industrial engines in a Power Generation, Gas Compression and Mechanical Drives.

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Applications

  1. NESHAP Regulations
  2. Gas Compression
  3. Power Generation
  4. Air Compression
  5. Liquids Pumping
  6. Bio-Gas
  7. Greenhouse CO2 Enrichment
  8. Industrial Marine
  9. Rail

Engine Type

  1. Bi-Fuel Diesel and Natural Gas
  2. Diesel
  3. Natural Gas Lean Burn
  4. Natural Gas Rich Burn

Noise Control

  1. Yes
  2. No

Engine Size

  1. 20 to 200 hp
  2. 200 to 1350 hp
  3. 1350 to 10,000 hp
  4. 10,000 hp and above

Regulated Pollutants

  1. NOx
  2. NO2
  3. CO
  4. VOC (NMNEHC)
  5. HAP's
  6. Particulate Matter (PM)
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SCR Catalysts

MIRATECH’s Selective Catalyst Reduction System (SCR) reduces regulated exhaust pollutants for stationary reciprocating diesel, dual-fuel, and lean-burn natural gas engines. The pollutants that are reduced include: Oxides of Nitrogen, Carbon Monoxide, Hazardous Air Pollutants, Volatile Organic Compounds.

THE SCR PROCESS

The MIRATECH SCR systems work in two efficient stages – the Oxidation Stage for CO and HC reduction and the SCR stage provides NOx reduction. Both stages work together, drastically reducing harmful emissions to satisfy the strictest regulatory requirements. In the mixing section, either ammonia or aqueous urea is injected into the exhaust stream. Urea is often used instead of ammonia, as urea is less toxic, easier to transport and store, and allows easier permitting. Urea in this system is hydrolyzed and breaks down in the exhaust stream to form ammonia.

The Oxidation Stage uses oxidation catalyst elements, with surface coatings impregnated with precious metals, to reduce CO, HAPs, and VOCs—oxidizing these pollutants to form water and carbon dioxide. Ammonia, whether injected directly or formed from urea, reacts with NOx at the SCR catalyst to form harmless water and nitrogen.

MIRATECH Analysis Controlled Injection System (ACIS™) makes SCR control easier than ever. ACIS, featuring info-at-a-glance graphics integrates key monitoring points and control functions.

The key? ACIS closed-loop system continuously monitors actual post-catalyst NOx emissions and automatically adjusts reactant injection to ensure compliance whether you’re running a base-load or load-following application from idle to 100% rated load.

The payoff? Comfort in knowing that continuous, ongoing compliance and maximum efficiency in reactant use via an incredibly user-friendly monitoring and control system. Plus, with features like remote monitoring and troubleshooting, ACIS cuts man-hours required for SCR operations.

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  • Air Compression
  • Bio-Gas
  • Gas Compression
  • Greenhouse CO2 Enrichment
  • Industrial Marine
  • Liquids Pumping
  • Power Generation
  • Rail
  • 10,000 hp and above
  • 1350 to 10,000 hp
  • 200 to 1350 hp
  • Diesel
  • Dual Fuel - Diesel and Natural Gas
  • Natural Gas Lean Burn
  • CO
  • HAP's
  • NO2
  • NOx
  • VOC (NMNEHC)
  • Yes

 

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