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Performance of gas-atomized spray scrubbers at high pressure. [Venturi scrubber]

Technical Report ·
OSTI ID:5380349
; ; ; ;
A large number of coal gasification processes being developed propose to use Venturi scrubbers for particulate removal at high pressures. Theoretical predictions based on existing Venturi models indicate that Venturi scrubber performance will deteriorate severely in these high gas pressure applications. An exploratory theoretical and experimental program was performed to study the effect of gas pressure on Venturi scrubber performance. Experiments were done on a 0.47 m/sup 3//s (1000 acfm) pilot scale Venturi scrubber operating at pressures up to 10 atm. Efficiency-pressure drop relationships were established for the Venturi at different gas pressures. Experimental results confirmed that the performance of the Venturi scrubber deteriorates with increasing pressure. An engineering design model was developed. The model predicted a pressure drop which is close to that measured and a penetration higher than measured. More data are required to further refine and develop a reliable engineering design model for high pressure Venturi scrubbers.
Research Organization:
Air Pollution Technology, Inc., San Diego, CA (USA)
DOE Contract Number:
AC21-82MC19167; AC21-79ET14812
OSTI ID:
5380349
Report Number(s):
DOE/MC/19167-1150; ON: DE82008940
Country of Publication:
United States
Language:
English

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Related Subjects

01 COAL, LIGNITE, AND PEAT
010402* -- Coal
Lignite
& Peat-- Purification & Upgrading
010404 -- Coal
Lignite
& Peat-- Gasification
42 ENGINEERING
424000 -- Engineering-- Pollution Control Equipment-- (1980-1989)
AIR POLLUTION CONTROL
COAL GAS
COAL GASIFICATION PLANTS
CONTROL
DATA
EQUIPMENT
EVALUATION
EXPERIMENTAL DATA
FLOW RATE
FLUID FLOW
FLUIDS
GAS FLOW
GASES
HOT GAS CLEANUP
INDUSTRIAL PLANTS
INFORMATION
MEDIUM PRESSURE
NUMERICAL DATA
PARTICLES
PARTICULATES
POLLUTION CONTROL
POLLUTION CONTROL EQUIPMENT
PRESSURE DROP
PURIFICATION
REMOVAL
SCRUBBERS