Utility FGD Design Trends 

By C.afl Weiku l <lfld Emily Meye.., Bums & Mcoonoo!l 

n e b~t Sn~ ~...-;m:, dlo: numb..-r 

al' dcetm: ul-ilitr bolicn in rhc 

U.S. c que(>peli wuh flue g:u 

dnullun:t;uiun jFti D) $YUt'nH h;u 

in crt.l!>Cd rc.ul~. due to rttmlih 

in rc:Jpnn~oc to rq;ulawrr rrognnu 

l!uo:h .u the U.S. ErA·., CJcJ.n Aer 

lnu.·r.u::u.c ltuk (C.•\lll), lltJ.tc pm mm~o 5uo:h 

a" 1hc Xonh Carolina Ck.ln Snmkoest:ld.s An 

".nd cmuoc.m dccro:c:' ro:M1hmg fmm EPA' .. n c:w 

:uour.:c rcvkw (NSll ~ .:nlhl'\~t' m.::m inifiuh-es. 

!\'<l'w is .1 good time to h1kc n oel ol' who:r.c we 

.. und. Thh column report.., on 1 hc: n:.mlu, or ll 

liUr\'C}' cundun.:d to charJ.ctcri7..: tlto: U.S. u 1 ihty 

FGJ) ncu .1~ n l' •ummcr 2010 and IU idcnnty 

11.11}' nouh k dui£n tl't'n ds cwcr rime. 

The 11urn:}' 'IO:a• cund uctc<t, m 1hc cxtcm 

pos!Ablt:, by m:ing p11bl!dy J.\'ailabk d au. 

lni(mn .u· inn 11bum ck.:rnc ul ilitr lf(;l) 

:cpu:m~ i, v;,. lablt: frmn twu num umr.":eli: The 

~~mi~~ on.s~ u•ction urt.t'A's C lan .>\.1r ,\l ukcu 

D i,·i.•iun ~ Dau "1n d ~hp$~ wch:~i1 t: ~ 

o mdlt.n.unlilnap.•-"P"·go\'/gdm/ I :and 1hc 

t!.nt"l'f.r Jn(urmauon Admini lr.ni.on t:IA·860 

da11bJ.u• I w \\'W.ci.l.du-c ~;m:fcnc at/ckclridl):/ 

PAgc/cU860.hrm.!J. I hc ~I"A daubAsc. w.:~:~ 

uw:d ro d c.taminc. whkb 1n iht}' un1u urc 

CllUippcd w11h I'GD :cruem~ J.nd 10 idenlif}' 

t'GI) "~ a 1.ha1 h~•·c s1ar1c:d up rcccmly. E IA· 

S6U d;ar.a W.l$ anih blc only l hroush 2008, .so 

FGil 1c.ehnolusr :~upp kn were. eumuhc.d m .m 

lltu•mpl m 611 in the ~;ar• in the: pubhc duu far 

the nunr Fti D in H~Iln ion11 dlJ.I h;wc come on 

!me ec tha1 )'CU. 

'r h c- pubhd\• 1\'.uiabk d;al" w.u u,;ed m 

idcmit'y inlhmurion ~boUJ t he d n:ign of t'acb 

FGO :~r.uem, including the meguwan uting of 

1hc 1m1b !>en'C'd by the FGO, she uanup \'c;ar, 

she proceu type J.nd I'C'agcnt, the numb er or 

"b!>nrbcr mud ulc., , the numb.:roi pun: a bJ<>rbc.r 

modu le:~, the provi$iem (if n~·) lhr byp.llll• of 

thl' FGD ~}'S c.m , 1hc. .ilb:cenb cr t}'f"C, 1he S}'l!H~m 

:cup plkr Jnd the dC-'ign S01 remo ' ·"l d6dencr. 

l>JU rcqucllted fr<m1 The !>y.uem upp ier' 

J.nd nm 11\'.li bhk fr<>m gowrnmem d;atal-.l\1'..~ 

ndud ~:d 1hc 11b~orber mltenaiJ ol' cunnructiun 

and, i(w wet 1

1

<-i J) ")'!in' m -', the. m~ld~tiun mndc.. 

One m(urm.t110n tid bit tb.lt ill repon ed hy 

b(ltb Ef'A'll daulusc ::~nd by f iA·N60 i.s the 

JHUCC..\:1 'YI''- an~i I'I.'OISCnt. Howewr, we. ii.mn d 

1 0 • POWER ENOINEERIN O AUGUST 2010 

~ 

@ 

• • • • 

"'""' ' WET FGO PROCESS TYPES 

. OU .. .uull 

Will &ldun s:uec 

-"'"'""' • ""' unts~~~• 

"''"' 2 DESIGN SD2 REMOVAL EFFICIENCY 

FOR WET FGD UNITS 

• allollns. 

- ·*"'" tfilll90 

• tlv9:t 

"""' 

·~ .. 

"''">DESIGN S02 REMOVAL EFACIEfiCY 

FOR SEMI·DRY FGD UNITS 

. ... ItS 

-·! 1~115 ... ., - '* .. I! ....... 

" 

" 

WWW.j)OWQf'*OI'Ifl.<lOom 
Clearing the Air 

the t:I'A', d.,.,, wn tuquc-ndy m error in 1hos~ ca~c" whac li c~· H.iO )JI::h:mJ, pcdh rmcd J nnity chcck Ol) ; he 'un·cr 

the p ro.:c,., typc 'l&'lU ti::uccl .n M\\'cl l.tmc. fl Fur \1'h:~t ,~r ut:a to c;~.u:h thi.t .md c:uha crron.. 

rc.non , m;'IU)' o( the unlit)' uniu n:poniatg 10 the EI'A ch.u 

1hey 1u.:d June m dwirwcc FGI> $ptc.m acu.ully u".: limc"wnc. 

<:uriotul)', the f.lt\·860 duutor t he umc FGD ~nto:cm nt'arty 

:~. WO\pi prm·idcd t he correct r.:J)l.Cnt d.u-.l. One: nf c.hc cu aut hur" 

ufth lll arudc, "·hu hu nn:r 35 run u f cx-p.::rkncc with U.S. 

I)) captllrc tr.:mh in t:GD tkWgn uver rhc blltt'uurdc:udc,, 

1h.: Hlrl'C}' rnuh,• were cx:.mincd J.l1 ,, ft.mct.lnfl u l' t-hc decade 

curing whkh the sptc:m bcg.ln opcr.uiun, baJt'd on t he public 

nf<)rltl.uion i()r the Jtanup p: n . 1\.cr d~ign par.~nh ll:r,;, 

ududing tho: d.: u~tn r<mm.,ll d'fldcncr, t ho: pmc.: ,:~ 11'1-'0: 

SSPC Certification Quality Programs 

Take the Guess Werk 

out of Selecting 

lndusuial Painting 

Contractors 

-'0 2Jt St t.!h n • PtUsbn thf.\ IS.Ztl 

Pt.ne41l..HI.23ll o ial J-411 281-9992 

ttlti!iuti:m0 S'fUI' o ....--.SS!Jt.Gil 

Jhern can olten be a big diUeremn 

bel ~t.>een lowest bidder an11&,.es: 

re.spoJtSJIJie btddet. S.Spt OP I 

certllltabon takes 111fay the gue.s; work. 

ftu over 20 y11a1s. SSPC has led ~e way 

m Cedilicabon Quality P1og1ams lor th11 

mduslrial coatings induslq. SSP•; OP I 

1s a natiunally-recognlred tt!Jiifiution 

program dt!s.1gned lo help ladity<YA·ners, 

engin1!e1s., acd specibers seteet q_~ fied 

mdushial painting contractoa. 

Wl'len you specity SSPC OP l, youR 

know Jrom lha slarl thai the painting 

conhadors bidding Oil your woo~ k uvg 

lndustry-slandard c:~pab tlltles and a 

pro'tf!n comm1Lmnnt to quahly. 

Contact SSPC to discuss 

the benefits of spedying 

QP 1 certified contractors, 

or call to request your 

free brochure. 

For 11110. llt!p:llpowttlt!no,hotlms.eom RSr 10 

and rc:.gcnt, the :.b.•orber fyp.:, the 

u.'c o t' .!op.lU module~ .And the- J.b~orl•cor 

.:u ~t uctton material, '1\'.:rl." cump>~rcd 

througll tJu: deudco~. n .. ·o .:xampk ploh 

u t' rh c r.:,uhs arc indud.:d. Notubly, 

Figu f .:J 2 1nd 3 1ho\\' the .:Ji~n rcmuv-J.I 

.:fhciC"n.:y u~:.:d fur both .<cmi·dry N.OD 

IIYllh:'IU$ :.nd WCf Jl(_iD >y<~Cmlllu~: <hi(tcd 

<tpw:mt ni!lc.mdy m'\"r rime. AIM>, .1~ 

11huwn in l;igurc I , l h c u.'c ui' lim c~tune 

01.\ t he rogcm in ""el l•l; 0 sy.<t m~ Ius 

become dominant ( 1'\"CX time within the 

U.S. utihry FtiO Oce1 

Additkm:d inlh rm:.tion 1bum lhc. 

dc11ign t~n s idc.mih.:d br t bc un•ey, 

induding tho: abJn:rber trpc, 1.hc. u'c a t 

11p<1r.: aboorbe:r mnduk' and the ;a ~otbc.r 

.:umu rul.'liun nuten:.l, e1n be sc.:n by 

,-irwms tJte c.Ompleu un·q• rnulti <If 

t he P!lll'tr J:"uginurilt .. lf nug;~x.ine •vc-b 

1111c-, '''""W puv;er·c.ng.c-um. ~ 

• Olsa_gre-e 0 Agree 

www.powof'*OI'Ift,<lom