airpol introduction

Air Pollution Control Systems

The Ultimate Choice !

A Leader in Pollution Control

Founded 1968Over 1,400 APC SystemsUnique, Custom and Total SystemsProcess Design OrientedBroad Scope of ProductsTotal Service Company

Products and Services

Acid Gas Absorption SystemsOpen Spray TowersTray TowersPacked TowersReagents Used:

caustic soda / soda ash / magnesium /lime / high magnesium lime /AirPol’s patented Dilute Dual Alkali system

Particulate Control SystemsVenturi Scrubbers & Cyclonic ScrubbersWet Electrostatic Precipitators

Products and Services

Semi-dry Scrubber SystemsDual Fluid Nozzle TypeCirculating Fluidized Bed TypeRotary Atomizer Type

Dry Injection SystemDry Lime & Activated Carbon Injection system with Baghouse

Industries Served

Pulp and PaperMunicipal, Industrial and Hazardous Waste IncineratorsChemical and PharmaceuticalCogeneration Plants and Industrial Boilers Iron and SteelMining and SmeltingWood

Major reference Projects

Wet FGD System for National Southwire– Application: SO2 Absorption Spray Tower for Aluminum Potline– Customer: National Southwire– Location: Hawesville, Kentucky– Contract Value: $2,300,000– Gas Volume: 448,563ACFM @ 220oF

Semi-dry scrubber FGD system for a 50 MW Coal Fired Boiler Plant (Turnkey)– Application: Power Plant FGD– Customer: City of Hamilton, Ohio– Location: City of Hamilton, Ohio– Contract Value: $11,000,000– Gas Volume: 223,000 ACFM

Major reference Projects

Retrofit of Semi-dry Scrubbers to Existing APC Systems of a 2 x 210 tpd MSW Plant (Turnkey)– Application: Acid Gas Removal for MSW Plant– Customer: Wasatch Energy System– Location: Layton, Utah– Contract Value: $6,400,000– Gas Volume: 72,500 ACFM per Train

Venturi Scrubber System for Two (2) Coal / Bark Fired Power Boilers (Turnkey)– Application: Pulp & Paper Plant Power Boiler Dedusting– Customer: Georgia-Pacific– Location: Cedar Springs, Georgia– Contract Value: $7,200,000– Gas Volume: 450,000 ACFM (per unit)

Major reference Projects

NaOH Based Open Spray Tower Type FGD Scrubber– Application: Pulp & Paper Mill - (4) Coal Pulverized Fired Boilers– Customer: Westvaco, Bleached Board Division– Location: Covington, VA– Contract Value: $3,700,000– Gas Volume: 541,000 ACFM; 480,000 ACFM

Soda Ash Based Open Spray Tower Type FGD Scrubber– Application: 60 MW Cogeneration Plant Power Boiler FGD– Customer: China Petroleum Development Corp.– Location: Toufen, Taiwan– Contract Value: $1,200,000– Gas Volume: 250,000 ACFM

Wet Scrubber Installations

SO2 Scrubbers 220Pulp and Paper Boilers 65Dissolving Tank Vents 60Incinerators 110Lime Sludge Kilns 95Lime Slakers 34Iron Foundries 43Steel Mills and Coke Ovens 45Miscellaneous Venturi Scrubbers 95Miscellaneous Scrubbers 656

All Scrubbers 1,423

Note: Number of Na2CO3 based FGD Systems = 189Number of NaOH based FGD Systems = 112

International Business

• China – Sunic-AirPol Environmental Equipment Co., Ltd., Beijing, a joint venture company with Sunic Corp.

• Korea – STX Corp., Soul, a licensee of AirPol’s wet scrubber technologies.

• Japan – Shinko Pantec Corp., Kobe, a licensee of AirPol’s wet ESP technology.

• South Africa – Howden Energy Systems, technical cooperation partner.

International Business

• Sweden– FigJoh Corp., technical cooperation partner

• Australia – Air Pollution Corporation, technical cooperation agreement partner

• Taiwan – Cotech Engineering Corp., technical cooperation agreement partner

• India – Thermax Limited, licensee for scrubber technologies.

AirPol Wet Scrubbers

AirPol Wet Scrubbers

Acid Gas Absorption:Open Spray Towers

Packed Towers

Tray Towers

AirPol Open Spray Tower

The Driving Forces for the Business

•Principle of Particulate Scrubbing

•“To entrap the particles in liquid droplets”

•Mechanism:

• a) Collision (impaction) – all sizes•• b)

Electrostatic Forces –small sizes•• c) Brownian Molecular Movements• -ultra-fine sizes

AirPol SO2 Absorbers

National South Wire (448,400 acfm)

China PetroleumDev. Corp.

(325,290 acfm)

AirPol Packed Tower

Packed Towers for HCl Absorption(Pharmacia, P. R. )

AirPol Tray Tower

Semi-dry Scrubber Systems

PurposeInjection of lime slurry and water into the hot gas stream (in the reactor) for the removal of particulates and acid gases while producing a dry byproduct.

Semi-dry Scrubbing Process

Semi-dry Scrubber Applications

Waste Incinerators / RoastersMunicipal solid waste incineratorsMedical and solid waste incineratorsIndustrial waste incinerator / roasters

BoilersIndustrial boilersUtility boilers

Semi-dry Scrubber - Dual Fluid Nozzle Type

Semi-dry Scrubber – CFB Type (GSA)

50 tpd Dual Fluid Nozzle SD – Fergus Falls, MN

100 tpd SWIP, Kaohsiung, Taiwan

50 MW GSA - Hamilton, Ohio($11 million Turnkey Project)

Particulate RemovalDevices for Particulate Removal

Venturi Scrubber

Wet Electrostatic Precipitators

Particulate Removal

Venturi Scrubbers

The Driving Forces for the Business

•Principle of Particulate Scrubbing

•“To entrap the particles in liquid droplets”

•Mechanism:

• a) Collision (impaction) – all sizes•• b)

Electrostatic Forces –small sizes•• c) Brownian Molecular Movements• -ultra-fine sizes

Venturi and Separator

LEGEND1. Raw gas inlet2. Scrubbing liquid3. Swirling “dentist bowl”4. Recycle liquid5. Collision zone6. Throat damper

location7. Diverging section8. Gas/liquid mixture9. Liquid reservoir10. Bleed11. Anti-spin baffles12. Clean gas outlet

Venturi Scrubber Applications

Pulp & Paper – Power boilers, recovery boilers, lime sludge kilns, dissolving tank vents, slakers and bleach plants.

Wood Products – “Blue haze” elimination for dryers.

Steel – Blast Furnaces, basic oxygen furnaces and scarfing plants.

Incinerator plant, chemical plant & pharmaceutical plant dedusting

Blast Furnace Venturi

Customer: U.S. Steel

Location: Gary, IN

Gas Volume: 500,000

ACFM

The Driving Forces for the Business

•Principle of Particulate Scrubbing

•“To entrap the particles in liquid droplets”

•Mechanism:

• a) Collision (impaction) – all sizes•• b)

Electrostatic Forces –small sizes•• c) Brownian Molecular Movements• -ultra-fine sizes

AirPol Venturi Installation($7.2 million Turkey Project)

Above: Unit at fabrication shop

Left: Venturi / Separator in operation

Georgia Pacific, Cedar Springs, GeorgiaTwo (2) venturi scrubbers with recycle tanks handling 450,000 ACFM each unit

Wet Electrostatic Precipitator

PurposeRemoval of sub-micron particulateand condensed elements, i.e.: heavymetals, dioxin and furans

AirPol Wet Electrostatic Precipitator

Wet Electrostatic Precipitator

Wet ESP Electrodes

Wet ESP Internals

WESP Applications

Combustion processes which producesub-micron elements and / orelements which condense & result in “blue” or “brown” haze stack plume.

Key target elements includeheavy metalsfine “sticky” particulateacid mistscondensed salts

Typical WESP Industrial Applications

Sewage Sludge IncineratorsFluid Bed and Multiple Hearth

Hazardous Waste IncineratorsLiquid Waste and Fluid Bed

Wood DryersOSB and Veneer Panel Board

Steel ManufacturingCoke Oven Gas CleaningFine (Sub-micron) Particulate Control

The Driving Forces for the Business

•Principle of Particulate Scrubbing

•“To entrap the particles in liquid droplets”

•Mechanism:

• a) Collision (impaction) – all sizes•• b)

Electrostatic Forces –small sizes•• c) Brownian Molecular Movements• -ultra-fine sizes

The AirPol Advantage

Proven Technologies

Highly Qualified Personnel

System Engineering Capability

AND, MOST IMPORTANTLY ….

The Driving Forces for the Business

•Principle of Particulate Scrubbing

•“To entrap the particles in liquid droplets”

•Mechanism:

• a) Collision (impaction) – all sizes•• b)

Electrostatic Forces –small sizes•• c) Brownian Molecular Movements• -ultra-fine sizes

The AirPol Advantage

WE ARE EXPERIENCED.

WE’VE BEEN THERE AND DONE IT BEFORE !

The Ultimate Choice

Thank You!