Venturi Scrubber Design.xls

Raw Gas Venturi Scrubber  Gas flow rate Gas Temperature Pressure Moisture Content Dry Gas MW W ater MW Particle mean size Efficiency Gas constant, R

= = = = = = = = =

110,000.00 400 1 5% 29 18 1 99.90% 0.7032

ACFM F atm v/v lb/mol lb/mol μm

Hin

=

0.03103448

Hin

=

From Psychrometric Chart Tin

=

400 F

Tsat

=

127 F

Hsat

=

0.1

Hsat

=

3

atm-ft /(lb.mol. ͦR)

Humidification of Inlet Gas lb water   lb dry gas

lb water   lb dry gas

Saturated Gas Flow rate dry

Qin

=

ρdry

=

104,500.00 ACFM 0.07025561 lb dry gas/ft

ρw

=

0.04360693 lb water vapor/ft

Qw

=

11,611.11 ACFM

sat Qin

= =

86,692.51 ACFM 47 in W .C

 ΔP

Throat Velocity (Used to size the scrubber) (L/G) K Bws

= = =

20 gallons/(1000 ACF) 9.61769203 0.16111111 moles water or   moles gas

ρsat

=

0.06596222

lb-gas 3

ft -gas

ʋthroat ʋthroat Dthroat

= = = =

-1

256.727374 ft.s 78.2505036 m.s 2.67691219 ft 81.5922834 cm

ft wate ater  3

ft gas

Throat and Diverging Sections LThroat : DThroat

=

3

LDiverging : DThroat

=

4

Lthroat

=

2.4477685 m

LDiverging

=

3.26369134 m