activated carbon pyrolysis

8/10/2019 Activated Carbon Pyrolysis

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Journal of Analytical and Applied Pyrolysis 109 (2014) 278282

Contents lists availale at !cience"irect

Journal of Analytical and Applied Pyrolysis

#ournal $o%epa&e' elsevierco%*locate*#aap

+$e pyrolysis of %ulti,co%ponent %unicipal solid aste in -.ed ed

reactorfor activated caron production/in !on& /ei +an& !$ifen& v ia 3an& aos$en& Jin 5$aopin& 5$on& 6a#i uan&

/inistry of ducation of ey aoratory of ner&y +$er%al Conversion and Control !c$ool of ner&y and nviron%ent !out$east :niversity ;an#in&

21009 "irect land-llin& and co%postin&

ecause of t$eir disadvanta&es are &radually replaced y ot$er

%et$ods Gn spite of t$e advanta&es derived fro% incineration of

%unicipal solid aste suc$ as $eat recovery t$ere are nu%erous

disadvanta&es of incineration suc$ as production of dio.ins

discardin& $eavy %etal and astin& $eat e%itted fro% urnin&

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/ !on& et al * Journal of Analytical and Applied Pyrolysis 109 (2014) 278282/ !on& et al * Journal of Analytical and Applied Pyrolysis 109 (2014) 278282

+ale 1

+$e pro.i%ate and ulti%ate analysis of different co%ponents

Co%ponents Pro.i%ate analysis (K) :lti%ate analysis (K)

daf @Cad Ad /ad Cad 7ad ;ad !ad Lad

Pineood 71 48> > 97 74 74 ?8< >0 02 019 >>9 ?4? 8? 1> 02? 2>07

PC 948 49 00 0? 40? 4? 01 011 >>19

Acrylic te.tile 828 1 107>

ad' air dryO daf' dry as$ freeO d' dry asis

yproducts (e& scraps of poly%eric %aterials petroleu% coEe

pitc$) and ood or ot$er io%ass sources (e& sa dust coconut

600

s$ells olive stones) I101?)

+$e pyrolysis of /!3 $as een studied e.tensively I1419500

in order to evaluate t$e inDuences of operatin& para%eters (ie

te%perature &as p$ase residence ti%e and catalyst etc) o, 400

ever %any literatures focus on t$e sin&le co%ponent /!3 @eer

researc$es report t$e effect of %ulti co%ponent /!3 on t$e

caron product properties300

ere accordin& to t$e differences in t$e content of volatile %at,

ter -.ed caron and as$ e c$oose -ve %ost representative and

ysis %et$od is used to prepare series of activated carons +$e

ai% of %i.in& different aste co%ponents is to investi&ate t$e

syner, &etic effect of different co%ponents on t$e adsorption

capaility of t$e caron products

2 /aterials and %et$ods

21 =a %aterials

@ive Einds of or&anic co%ponents are involved' aste ooden

c$opsticEs aste cartons aste car tire refectory and tailors

s$op $ic$ are re%nants in t$e e.peri%ents' pineoodpaper,

oard aste tire polyvinyl c$loride (PC) and acrylic te.tileQ

respectively +ale 1 s$os t$e pro.i%ate and ulti%ate analyses%easured accordin& to A!+/ standards +$e ori&inal aste co%,

ponents are dried under t$e sun on t$e &round Door in order to

reduce t$e %oisture content And t$en t$e suf-ciently dried ra

%aterials are crus$ed and %illed efore t$e e.peri%ent is

started

22 Preparation of t$e activated carons

Activated caron (AC) sa%ples are prepared y one,step acti,

vation %et$ods usin& -ve Einds of aste co%ponents and t$eir

respective %i.tures as ra %aterials "etailed procedures are

descried as follos 10 & of ra %aterials are i%pre&nated it$

L aueous solution in t$e opti%al ratio and t$en stirred for C

for 24 $

+$e pre,treated sa%ples are loaded in uartB pipe and t$en

t$ey are activated at different te%peratures for different activa,

tion ti%es under nitro&en at%osp$ere After t$at t$e products

are cooled don to t$e roo% te%perature and t$en as$ed it$

deion, iBed ater until t$e p value is c$an&ed fro% < to 7 and

-nally

dried at 004000 c%1 on rpellets

24 +$e %et$ylenelue (/) adsorption value

+$e %et$ylene lue (/) capacity value is deter%ined y C$ina

;ational !tandards (H*+1249


3/6

500

400

300

50

1 Pine woo

2 !ire40

3 Paperboar

4 Acrylic te"tile

5 P#$ 30

1 Pine woo

2 !ire

3 Paperboar

4 Acrylic te"tile

5 P#$

20

200

10010

01 2 3 4 5

0

1 2 3 4 5

@i& 2 +$e %et$ylenelue adsorption value (left) and yield (ri&$t) of -ve different Einds of co%ponent ased activated caron at t$e opti%u% preparation conditions)

+ale 2

+$e preparation conditions of four sa%ples500

1%2

+$e results illustrate t$at it$ t$e increase of t$e activa,

tion te%perature t$e %et$ylene lue adsorption values s$o t$e

increasin& trend As for t$e activation ti%e and alEali*caron

ratio t$e adsorption capaility increases -rstly and t$en

decreases ased on t$e aove results t$e opti%u%

conditions for L

100

0&oo ' P#$ &oo ' tire !e"tile ' P#$ !e"tile ' ti re

c$e%ical activation are selected +$erefore in our study t$e ra

%aterials are i%pre&nated it$ L aueous solution (precur,

sor*9L7 R 1'2 in ei&$t) and t$en activated for at 800 Cfor


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@i& > +$e @+G= spectra of t$e activate carons prepared y pine(ood0 tire and

acrylic te.tile under t$e opti%u% conditions

nents and triple co%ponents %i.tures ased caron %aterials

and t$e adsorption properties of carons are investi&ated

A%on& t$e four Einds of doule co%ponents %i.ture t$e %i.ture

of pineood and tire s$os t$e $i&$est %et$ylene lue

adsorption values Gn


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addition t$e %i.ture of pineood tire and acrylic te.tile s$os

t$e est adsorption perfor%ance a%on& t$e four Einds of t$e

triple co%ponents %i.tures $ic$ e.$iit $i&$ surface area

( (2007)

21

I4 @ C$en& 6H 5$an& A /en& T i nviron !ci +ec$nol 41 (2007)

7>09

I> 3an& "io.ins 5ero %ission +ec$nolo&y for Gncineration it$ /unicipal

!olid 3aste 6e#in Gndustry Press ei#in& 2001

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activated carbon pyrolysis

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