LNA Experience DSI and Ceramic Filter Technologyusing Sorbacal®

Lhoist North AmericaMay 1, 2014

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Lhoist North America sounds like ‘Luh-wost’

Chemical LimeChemical Lime and Franklin Franklin Industrial MineralsIndustrial Minerals merged to form Lhoist North America

Suppliers of high quality chemical grade calcium products including Limestone, Quicklime, Slurry,Limestone, Quicklime, Slurry, and Hydrate (Sorbacal®)Hydrate (Sorbacal®)

Lhoist Group – Worldwide World’s largest lime company

Lhoist has been in business for more than 120 years

88 plants in 25 countries in Asia, Europe and the Americas

Ste Genevieve, MO Plant

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DSI Effectiveness FactorsDSI Effectiveness Factors

Reagent Properties – physical and chemical Reagent reactivity

Reagent surface area

Reagent porosity

Flue Gas Properties Temperature

Flue gas moisture

Other competing acid gases

Injection System Configuration Particulate control device

In flight residence time

Reagent mixing

Injection location

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Calcium based AdditivesCalcium based Additivesfor DSIfor DSI Reaction of Ca(OH)2 with acidic gas components:

Acid – Base reaction through Gas – Solid contact

Surface area and pore volume very important

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Cement Industry

Glass Industry

Brick Industry …

Waste Incineration

Municipal Waste

Hospital Waste

Industrial Waste

Sludge

Power Plants

Industrial Processes

Coal Fired boilers

Biomass boilers

SO2

SO3

HF

Se

SO2

SO2

SO3

HF

HF

HCl

HCl

DSI SorbacalDSI Sorbacal®® Applications Applications

HCl

DSI in Ceramic Filters

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Source: www.tri-mer.com

Temperature Considerations

7Source: www.tri-mer.com

Source: Carmeuse NA

Example Curve of Standard Hydrate

Performance

Sorbacal® SPS performance greatly

improves the SO2 removal in this

temperature zone

Test with Tri-Mer Ceramic Filter and Sorbacal Optimized Hydrated Lime Products

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Test with Tri-Mer Ceramic Filter and Sorbacal Optimized Hydrated Lime Products

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Test with Tri-Mer Ceramic Filter and Sorbacal Optimized Hydrated Lime

Products

Test with Tri-Mer Ceramic Filter and Sorbacal Optimized Hydrated Lime Products

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Test with Tri-Mer Ceramic Filter and Sorbacal Optimized Hydrated Lime Products

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Test with Tri-Mer Ceramic Filter and Sorbacal Optimized Hydrated Lime Products

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Test with Tri-Mer Ceramic Filter and Sorbacal Optimized Hydrated Lime Products

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Sorbacal® SP Performance

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US Industry ExamplesUS Industry ExamplesUtilizing DSI with Ceramic FiltersUtilizing DSI with Ceramic Filters

Dry Sorbent Injection using:

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Thank You!Thank You!

Questions?Questions?

Contact:Contact:Howard FitzgeraldLhoist North America3700 Hulen StreetFort Worth, Texas 76107howard.fitzgerald@lhoist.com817-995-3011www.lhoist.uswww.sorbacal.us