filtroglobal and royal dahlman filter technology
TRANSCRIPT
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Introduction to FiltroGlobal LLC &Royal Dahlman
FCC Separation & Filtration Technology
KBR Feb 2, 2010
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Product offerings include
– Royal Dahlman:Sintered metal filters
– JB: bag and cartridgefilters, coalescing
– Wastewater Treatment– UF, Nano, and RO – Filter Presses
FiltroGlobal is based in Houston, TX
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Royal Dahlman Capabilities
Pre Order •Consulting•Laboratory Testing•On Site Pilot Testing
Order•Project Management•Process Engineering•Mechanical Engineering•Production & Assembly
After Sales•Start-up & Commissioning•Training•Technical Services•Spare parts
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• Protection of Catalyst Beds
• Filtration of Heavy Coker Gas Oil
• Upgrading of FCC Slurry Oil
• Removal of Solid Fines from (Hot) Process Gas
• Reduction of FCC Flue Gas Stack Emissions/Catalyst Hopper Vent Filters
Refineries & Petrochemical Plants
Royal Dahlman Technologies
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Royal Dahlman- Technologies
Slurry Oil Filtration Packages for FCCU’s
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Royal Dahlman- Technologies
FCC Flue Gas Cleaning Equipment
FSS PackagesCatalyst Hopper Vent Filters
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Royal Dahlman- Technologies
Filtration of Fines from (Hot) Process Gas
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Introduction to Slurry Oil Filtration I
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Targets of FCC Slurry Oil Filtration
Convert low grade product in valuable commodity
Expand market for FCC bottom product Reduction of wear in downstream equipment
Reduction of tank cleaning costs
Reduction of sludge disposal costs
Introduction to Slurry Oil Filtration II
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Profitibility of Slurry Oil FiltrationPotential usage for filtered slurry oil
Carbon black feedstock 50-500 ppm No. 6 or Bunker C. fuel oil 50-150 ppm Coker feedstock 50-150 ppm Anodic/ needle grade coke/ pitch feedstock 25-100 ppm Boiler or Furnace oil 50-150 ppm Industrial and electric utility fuel 50-100 ppm Carbon fiber production 5-10 ppm Residue hydrocracker feedstock/ diluent 10-50 ppm
Introduction to Slurry Oil Filtration III
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Introduction to Slurry Oil Filtration IV
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Steel structure with:
2 or 3 x Filter vessels
1 x Backwash receiver vessel
1 x BB gas accumulator vessel
Slurry Oil Filtration Equipment I
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Piping
Valves
Instrumentation– DpT, PT, FT, LT
Control– Local control panel– DCS or PLC
Slurry Oil Filtration Equipment II
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FCC Slurry Oil Filtration Technology:
Minimize penetration of contaminants in filter medium- > Surface filtration
Optimal use of filter area at high slurry oil solids content- > Filtration from inside-to-outside
Element cleaning needs to be powerful and effective- > Gas-assisted backwash (steam, nitrogen or (sweet) fuel gas)
When backwash liquid directed back to riser, continuous flow, with restricted solids concentration to be realized- > Sludge removal gas-driven or by recirculation pump(s)
Filter Design Principles
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Minimize penetration of contaminants in filter medium
Not depth filtration …Filtration Cycle Cleaning Cycle
A very fine particle
penetrates in the media
The particle gets stuck
in the media
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But surface filtration!Filtration Cycle Cleaning Cycle
Minimize penetration of contaminants in filter medium
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ROYAL DAHLMAN SINTERED METAL ELEMENTS
Surface filtration Shape stability Suitable for high differential pressure
therefore easily cleanable Wide variety of sizes and materials High permeability with low pressure drop Chemical and heat stability
Proven technology for FCC slurry oil filtration
Filter media
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Multi layer laminate with support structures upstream and downstream
Supported by core with 1/8” perforations
Competitor’s Filter Media
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Filling
Dp
Filtration Process I
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Filtering
Inside to outside!
Dp
Filtration Process II
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CleaningGas-driven
– Close inlet/outlet
– Pressurize– Open bottom
valve Dp
Filtration Process III
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Backwash liquid: to riser or other location
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Backwash liquid: to riser or other location
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Complete EngineeringPackage
Manufacturing Assembly Testing & Inspection Project management Start-up & Commissioning
Royal Dahlman Scope of Supply
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Performance
Differential pressure and Flow vs. Time
0,0
50,0
100,0
150,0
200,0
250,0
300,0
350,0
0 24 48 72 96 120 144 168 192 216 240
Time [hours]
Diffe
rent
ial p
ress
ure
[kPa
]
0
2000
4000
6000
8000
10000
12000
14000
16000
MCB
flow
rate
[kg/
h]
Diff.pressure Filter A
Diff.pressure Filter B
MCB flowrate
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Performance IIFilter outlet
0
10
20
30
40
50
60
70
80
90
Date
Ash
con
tent
, wpp
m
Ash content, wppm
50 wppm
80 wppm
Start of the Final acceptance test-run
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Gas assisted backwash cleaning is a proven technology
Wear resistant, use of the best components
Easy operation, no operator intervention required
Lower use of utilities compared to other technologies resulting in lower operational costs
Benefits