Can You Improve

Coal QualityRod Hatt

Raw Coal is ALWAYS Cheapest

Can you increase CVfor market conditions

or better price

What makes CV go downRank – MAF – OxygenMoisture – Bed + SurfaceAsh and Rocks

What can you changeRank – MAF – OxygenMoisture – Bed + SurfaceAsh and Rocks

6000650070007500800085009000

MAF CV Kcal/Kg

05

101520253035

Bed Moisture

What can you changeRank – MAF – OxygenMoisture – Bed + SurfaceAsh and Rocks

ChemistryLike Likes Like

COAL

O-

-O-O

H2OOH2

OH2

Low rank coals (low MAF, high Ox) have higher moisture levels

PRB Coal - “Fresh”PRB Coal“fresh”

Results of Test #1

Never saw a dried sub-bitcoal successfully used

ThermalCoalGas

MicrowaveOil BoilEtc. etc.

What can you changeRank – MAF – OxygenMoisture – Bed + SurfaceAsh and Rocks

Remove Rocks-Only OptionSelective MiningBlendingRotary BreakerAir TablesWash Plant

What you need to knowto wash coal:

CapacityPartial wash - Raw/WashEnd use – Met/ThermalEquipment BrandDelivery/Load outsSite Geology

All About Tons RecoveryGood 85%Medium 70%Bad 50%

020406080

100120

Jan-

17

Mar

-17

May

-17

Jul-1

7

Sep-

17

Nov

-17

Jan-

18

Mar

-18

May

-18

Jul-1

8

Sep-

18

Nov

-18

Jan-

19

Rich Bay FOB IHS Price

RB 6000RB 5500GR M B

Ash Disposal Cost in Coal Price

Coal Ash 8% 15%Low $5 $0.3 $0.6Med $15 $1.0 $2.0High $50 $3.5 $7.0

Thank you IHS and Colombia

Rod HattCoal Combustion, Inc.114 South Main StreetVersailles, KY 40383USA1+ 859-873-0188rod_hatt@coalcombustion.com

www.coalcombustion.com