JoeStuartURCServices

ASubsidiaryofJosephY.Stuart&Associates,LLC

February2016

UnexpectedRe-emissionControlEmergency?

WhoAreYouGoingtoCall?

April2016

MandatoryMATScompliance

reporNngforall.

• Toocloseforcomfortoncompliance?

• Notreliableenough?

• Poorlyunderstoodexcursions?

WhatifyourPlanAformercuryemissioncontroldoesnotdoenough?

WhatcanIdotoavoidnon-compliance?

UrgentRe-emissionControlbyURCServices–ASubsidiaryofJosephY.Stuart&Associates,LLC–PresentedattheEUEC,February2016

AnExampleofDodgingtheNon-ComplianceBullet

•  Two600+MWpowerplantsatonesite.

•  EachunithasanSCR,ESP,andLSFOwetFGD’s.•  Usingeasternbituminouscoal.

•  CurrentlyoperaNngandreporNngtotheEPAunderMATS

–  Thissitewasnotgrantedthe12-monthMATScomplianceextension.

•  MercuryemissionsonthisplantarenotacNvelymiNgated.

•  Stackmercuryemissionsaverage30%ofthepermi\edlimit.

UrgentRe-emissionControlbyURCServices–ASubsidiaryofJosephY.Stuart&Associates,LLC–PresentedattheEUEC,February2016

AnExampleofDodgingtheNon-ComplianceBullet

UrgentRe-emissionControlbyURCServices–ASubsidiaryofJosephY.Stuart&Associates,LLC–PresentedattheEUEC,February2016

Unit1:PutonEconomicReserve

A B E By:JoeStuartJosephY.Stuart&Associates,LLC

1/28/2016

RestartUnit1.

Lookingfortheproblem

C

MATSLimit

MATSLimit

Unit1

Unit2

Two600+MWPowerPlants/SCR/ESP/Limestone-ForcedOxidaNonWetFGDsNoAcNveMercuryEmissionSuppression

CapitulaNon:Callforhelp.

Unit1:PutonEconomicReserve

Lookingfortheproblem

A B By:JoeStuartJosephY.Stuart&Associates,LLC

RestartUnit1.

1/28/2016

CapitulaNon:Callforhelp.

C

30-DayAverage#Hg/TBTU

MATSLimit

Unit2

Unit1

Two600+MWPowerPlants/SCR/ESP/Limestone-ForcedOxidaNonWetFGDsNoAcNveMercuryEmissionSuppression

Unit1:PutonEconomicReserve

Lookingfortheproblem

MobilizaNon(3days)

Begintreatment.NormalHgemissionsinlessthan4hours.

A B C By:JoeStuartJosephY.Stuart&Associates,LLC

RestartUnit1.

1/28/2016

CapitulaNon:Callforhelp.

D

MATSLimit

MATSLimit

Unit1

Unit2

Two600+MWPowerPlants/SCR/ESP/Limestone-ForcedOxidaNonWetFGDsNoAcNveMercuryEmissionSuppression

Unit1:PutonEconomicReserve

Lookingfortheproblem

A B By:JoeStuartJosephY.Stuart&Associates,LLC

RestartUnit1.

1/28/2016

CapitulaNon:Callforhelp.

C

30-DayAverage#Hg/TBTU

MATSLimit

Unit2

Unit1

MobilizaNon(3days)

D

Begintreatment.NormalHgemissionsinlessthan4hours.

6Days

3Days

3Days

Two600+MWPowerPlants/SCR/ESP/Limestone-ForcedOxidaNonWetFGDsNoAcNveMercuryEmissionSuppression

MATSRegula,ons

CreateAThird

Unit-Opera,onDutyForYourWetFGD

ForGypsum-ProducingSystems...

1.  SO2absorp,on

2.  Gypsumcrystalliza,on

3.  Mercuryabsorp,on

ReframetheProblem

UrgentRe-emissionControlbyURCServices–ASubsidiaryofJosephY.Stuart&Associates,LLC–PresentedattheEUEC,February2016

OK,ButWhatCausedthisRe-emissionEvent?

Unit Operation

Normal Operation

Unit 1 OFF; on Economic Reserve

Unit 1 OFF; transfers slurry to Unit 2

Unit 1 restarts

URC Services Treats Scrubbers

Normal Operation

Unit 1: SO2 Absorber

✔ ✔ ✔ ✔

Unit 1: Gypsum Crystallizer

✔continuous

✗batch

✗batch

✗upset

✗recovering

✔continuous

Unit 1: Mercury Absorber

✔ ✗ ✔ ✔

Unit 2: SO2 Absorber

✔ ✔ ✔ ✔ ✔ ✔

Unit 2: Gypsum Crystallizer

✔continuous

✔continuous

✗upset

✗upset

✗recovering

✔continuous

Unit 2: Mercury Absorber

✔ ✔ ✗ ✗ ✔ ✔

UrgentRe-emissionControlbyURCServices–ASubsidiaryofJosephY.Stuart&Associates,LLC–PresentedattheEUEC,February2016

OK,ButWhatCausedthisRe-emissionEvent?

HowMuchTimeDoIHave?•  OurExample

–  6daystolookforasoluNon–  3daystomobilizeURCServices–Re-emissioncontrolled–  3daystospare

ReframetheProblemUnderstandthe

Process

OpNmizeReagentDosage

DesignSystemsfor

RapidResponse

UrgentRe-emissionControl?HowDoWeDoit?

UrgentRe-emissionControlbyURCServices–ASubsidiaryofJosephY.Stuart&Associates,LLC–PresentedattheEUEC,February2016

It’saboutyourFGDfuncNoningasamercuryabsorber.

SaNsfythemercurymaterialbalance.

Withlowdosageratesandpre-packagedsystems,

wearereadytorespondquicklytoyourneeds.

UrgentRe-emissionControlbyURCServices–ASubsidiaryofJosephY.Stuart&Associates,LLC–PresentedattheEUEC,February2016

•  Annual Service Agreement–  Site visit to tailor system design –  Discuss requirements – services for Hg-oxidation, Hg re-emission, or

both?–  Handle all license issues / royalty payments.–  Stage reagents either on-site or nearby.–  Equipment & supplies are delivered as needed by next-day air freight.–  We promise a 48 hours response time and endeavor to be onsite

within 24 hour or less.

•  On Demand–  Similar to the annual subscription service limited in speed of response.

Service Agreement Options

Ifwecanhelpyou,giveusacall.

225-620-2030

UrgentRe-emissionControlbyURCServices–ASubsidiaryofJosephY.Stuart&Associates,LLC–PresentedattheEUEC,February2016

JoeStuartURCServices