CleanAIR Systems © 2009 All Rights Reserved

NOx Reduction Technologies

CleanAIR Systems © 2009 All Rights Reserved

CleanAIR Systems

CleanAIR Systems is:

a vertically integrated, market driven, technology-based company that develops, designs and manufactures after-treatment emissions control systems for internal combustion engines.

CleanAIR Systems © 2009 All Rights Reserved

Products – General Overview

Materials 304L stainless steel MIG & TIG welding 16 to 10 gauge metal Bead blast finish

Catalysts Cordierite substrates Precious metal catalyst Iron Zeolite catalyst

All materials are non-toxic

Made in USA

CleanAIR Systems © 2009 All Rights Reserved

ASSURE™ TWC (3 – Way Catalyst)

For Rich-burn, Stoichiometric Engines

E-POD™ For Diesel & Lean-Burn Engines

NOx Reduction Technologies

CleanAIR Systems © 2009 All Rights Reserved

Applications Spark-Ignited rich-burn

engines• Generator Sets• Compressors

The ASSURE™ TWCNOx reduction for rich-burn natural gas engines

CleanAIR Systems © 2009 All Rights Reserved

Meet NSPS Compliance for Rich-Burn Natural Gas Engines

Federal Register 40 CFR Parts 60, 63, 85 http://www.epa.gov/ttn/atw/area/fr18ja08.pdf

The ASSURE™ TWC

0

2

4

6

8

10

12

14

g/b

hp

-hr

Typical Rich Burn EngineEmissions

NSPS Requirement25<HP<100

NSPS Requirement HP>100 ASSURE TWC EmissionsResults

ASSURE TWC: NSPS Compliance for Rich Burn Gas Engines

NOx

CO

HC

CleanAIR Systems © 2009 All Rights Reserved

Flow-Thru 3-way catalyst for spark-ignited stoichiometric engines

Reduces NOx, CO & HC (>95%) Requires Air-to-Fuel Ratio

Controller (AFRC) Meets NSPS for rich-burn natural

gas engines

The ASSURE™ TWCNOx reduction for rich-burn natural gas engines

CleanAIR Systems © 2009 All Rights Reserved

Advantages: Reduces NOx by up to 99% Reduces CO and HC by up to 95% Three-way conversion takes place

at temperatures as low as 180°C Works with most natural gas,

propane and gasoline engines Compliance with NSPS

regulations Available as

• Standard Converter Design• Converter/Muffler Design• Converter/Silencer Design

The ASSURE™ TWCNOx reduction for rich-burn natural gas engines

CleanAIR Systems © 2009 All Rights Reserved

NOx up to 95%PM over 85%HC up to 95%CO up to 95%

The CleanAIR E-POD™Total Emissions SolutionReduce NOx, PM, CO & HC in a Silencer Package

CleanAIR Systems © 2009 All Rights Reserved

The CleanAIR E-POD™Total Emissions SolutionReduce NOx, PM, CO & HC in a Silencer Package

• Meets NSPS Compliance for Lean-Burn Natural Gas Engines

• Meets Tier 4 Final Compliance for Tier 2 and Tier 3, and most Tier 1 Diesel Engines

CleanAIR Systems © 2009 All Rights Reserved

The CleanAIR E-POD™Meets Tier 4 Final Compliance Federal Register 40 CFR Parts 60, 85, 89, 94, 1039, 1065, and 1068http://www.epa.gov/EPA-AIR/2006/July/Day-11/a5968.htm

6.9 8.5

4.8

0

0.25

0.5

0.75

1

1.25

1.5

1.75

2

2.25

2.5

2.75

3

3.25

3.5

3.75

4

g/b

hp

-hr

Tier 1 Tier 2 Tier 4A Tier 4B E-POD

E-POD Emission Reduction Results

NOx

CO

HC

PM

CleanAIR Systems © 2009 All Rights Reserved

The CleanAIR E-POD™Meet NSPS Compliance for Lean-Burn Natural Gas Engines

Federal Register 40 CFR Parts 60, 63, 85 http://www.epa.gov/ttn/atw/area/fr18ja08.pdf

0

0.25

0.5

0.75

1

1.25

1.5

1.75

2

2.25

2.5

2.75

3

3.25

3.5

3.75

4

g/b

hp

-hr

Typical Lean Burn Engine NSPS Emergency HP> 130 NSPS Non-Emergency HP>500 E-POD w/ OC

E-POD: NSPS Compliance for Lean-Burn Gas Engines

NOx

CO

HC

CleanAIR Systems © 2009 All Rights Reserved

The CleanAIR E-POD™

ENDURESCR Catalyst

PERMIT Filters

E-POD Reactor Housing

E-POD™: ENDURE™ SCR + Silencer + PERMIT™ Filter or ASSURE™ DOC

Reduces NOx, PM, HC, CO >90% NOx reduction 270C to 560C

Total Emissions SolutionReduce NOx, PM, CO & HC in a Silencer Package

CleanAIR Systems © 2009 All Rights Reserved

The CleanAIR E-POD™

CleanAIR Closed-Loop Electronics All-in-One Dosing Cabinet includes electronic

control and pump system Real-time monitoring Pre- and Post-NOx sensors Urea Injection Critical Grade Silencing 304L stainless steel, insulated,

double-walled construction CARB Level 3+ PERMIT Filters ENDURE SCR Catalyst

Non-Toxic, Non- Hazardous Small Size: all-in-one packaging

Total Emissions SolutionReduce NOx, PM, CO & HC in a Silencer Package

E-POD Dosing Cabinet

CleanAIR Systems © 2009 All Rights Reserved

CleanAIR Systems

Compare technologies

Custom Design

Non-Toxic

Catalyst

One Package Design

True Closed-

Loop

Easy Installation

Made in USA

CleanAIR

E-POD™ √ √ √ √ √ √

Competition No No No Maybe No No

CleanAIR Systems © 2009 All Rights Reserved

CleanAIR Systems

www.cleanairsys.com

800-355-5513

505-474-4120

Products to Reduce Pollution