Adsorption and electro-thermal regeneration of VOC

onto activated carbon fiber-cloth

P. Le Cloirec, A. Subrenat and B. Boulinguiez 14 Mars 2012

Material Lab studies IntegrationApplicationsAssembler

Breakthrough curves-Performances

Choice of material

Pilot unit

Batch adsorption

MaterialActivated carbon textiles

Isotherm equilibrium

Electrical heating

Physical – chemical –electrical characterisations

Flow pattern – Head loss

Electrothermal regeneration

Modelling

Designing

Industrial applications

Activated carbon fiber cloth

Thermostat

Agitateurs magnétiques

Flacons hermétiques de 2L

e

eme Cb+1

Cqb=q

0

1 107

2 107

3 107

4 107

5 107

6 107

0 0.01 0.02 0.03 0.04 0.05

2/2 twill4/4 twill4 twill8 twill4 sateen

8 sateen2 mat4 matsquaregros tours

pres

sure

dro

ps p

er m

eter

(Pa/

m)

U (m/s)

Experimental data : DP /HU0 = N + M U0

Goodings’ relation (1964) :

do and dy calculationDetermination of :

Sf

Sy

So

Ergun’s equation (1952) :

k1

k2

Carman’s dimensionless

approach :

Re’

So used only

Comiti’s equation (1985) :

avdX = avd/S

Neural network :

operating conditions,

system characteristics

(...)

DP

Use of porous media models Use of a statistical tool

0

5

10

15

20

25

30

35

40

0 10 20 30 40 50

Con

cent

ratio

n (g

.m-3

)

t (min)

0

0.02

0.04

0.06

0.08

0.1

0.12

0.14

0 5 10 15 20 25 30

Cs/CoC

s/C0

t (min)

0

10

20

30

40

50

290 300 310 320 330 340 350 360

P (W)

P (W

)

Tmoy.

(K)

y = M1*(5.77e-8*(M0^4-293.45...ErrorValue

0.00196420.05235m1 NA20.565Chisq

NA0.98267R2

Emission industrielle Adsorption

DésorptionCondensationouOxydation

Event

Débit faibleConcentration élevée

Débit fortConcentration faible

Condensat

Gaz de balayage

Emission industrielle

Adsorption

Désorption

Condensation

Event

Débit faibleConcentration élevée

Débit faibleConcentration forte Condensat

Gaz de balayage

Material Lab studies IntegrationApplicationsAssembler

PICAActitex

Adsorption and electro-thermal regeneration of VOC

onto activated carbon fiber-cloth

P. Le Cloirec, A. Subrenat and B. Boulinguiez 14 Mars 2012