no slide title€¦ · wet scrubbing control technology for fccu’s particulate, so 2, so 3 and no...
TRANSCRIPT
![Page 1: No Slide Title€¦ · Wet Scrubbing Control Technology For FCCU’s Particulate, SO 2, SO 3 and NO x Removal In One Process Unit Garrett Billemeyer - Belco Technologies Corp. BELCO®](https://reader034.vdocuments.net/reader034/viewer/2022050208/5f5ad7669948f123ef043c58/html5/thumbnails/1.jpg)
Wet Scrubbing Control Technology
For FCCU’s
Particulate, SO2 , SO3 and NOx
Removal
In One Process Unit
Garrett Billemeyer - Belco Technologies Corp.
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BELCO® - Providing Proven Technologies
EDV® Wet Scrubbing Systems
Linde/BOC’s LoTOx NOx Reduction Process
(LoTOxTM is a trademark of The BOC Group) 2
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BELCO® ’s List of Scrubbing Experience
In Refineries North America (41)
Valero (9)
Coastal
Marathon/Ashland (2)
Quakerstate (Pennzoil)
Irving Oil
Motiva
Conoco Phillips (5)
Premcor (4) (now Valero)
Shell Oil
Lion Oil
Citgo (3)
Sunoco (4)
BP
Placid
Western
Petrobras
HollyFrontier (3)
Tesoro
India (9) IOCL (4) ESSAR HPCL (3) NOCL
Other (48) Taiwan - Formosa (5)),Chinese Petroleum
Korea – SK, GS Caltec, Hyudai
Qatar – NODCO, Al Shaheen
Italy – Eni S.p.A.
Norway – ESSO
Switzerland – Tamoil
Saudi Arabia - SAMREF
Russia – GAZPROM
Philippines –Petron (2)
Belgium – Total
Thailand – Star Petroleum
Brazil – Petrobras REFAP
China – Petrochina (13), Sinopec (11), Western Pacific, Sinochem (3)
UAE – Takreer
Canada – PetroBank
Romania – Petrotel/Lukoil
106 EDV Wet Scrubbing Systems in Refineries
(94) are on FCCU applications )
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Why EDV® Wet Scrubbing for FCCU ?
High Collection Efficiency for Particulate, SOX and now NOX all in
one step
Proven Design Features for >5+ Year “Non-Stop” Operation
Proven Capability to Handle FCC Upsets/Reversals
• Very High Particulate Carry Over
• High Temperature Excursions (& COB Bypass)
Proven Capability to Handle Very Abrasive Particulate
Proven Capability to Allow Large Gas Flow Variations
Proven Flexibility to Allow Expansion and Feed Changes
Ability to be designed as a Regenerative Scrubbing System when
using LABSORBTM
Perfectly suited for NOx removal LoTOxTM application
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(Typical Upflow Configuration)
EDV® Wet Scrubbing
Quench
Section
Absorber
Section
Droplet
Separators
(built inside
scrubber) Filtering
Modules
Nozzles
form Spray
Curtains
Stack
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EDV Wet Scrubbing Quench & Spray Tower
Absorber/Spray
Tower Section Quench
Section
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EDV Wet Scrubbing Spray Tower
Coarse PM, SO2 & SO3 (plus NOx when
LoTOxTM is applied)
High Liquid / Gas Contact
Cross Sectional Dense Water/Caustic
Curtains
SO2 & NOx Absorption/PM &SO3
Impaction
Staged Approach for More Reliable
scrubbing
Open Tower
Continuously Washed Walls for Self
Cleaning
No Mist Formation
Low Pressure Drop (No Pressure Drop
Design is also Available)
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X -Section
G® Nozzle
EDV® Wet Scrubbing
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Creates a Dual
Reagent Spray by
means of a
Declining Trough
Design
(G®-400 Nozzle) Cross Section
EDV® Wet Scrubbing
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Single G® Nozzle Operation
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Filtering Modules
EDV® Wet Scrubbing
Filtering
Modules
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Fine PM & SO3 Mist Collection By Acceleration, Adiabatic
Expansion and Super Saturation
Condensation
Particle Size Growth
Filtration
Open / Self Cleaning
Non-plugging Design
No Mist Formation
Low Pressure Drop
EDV® Filtering Module Condensation & Filtration
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Condensation & Agglomeration of Fine Particulate & Sulfuric Acid Mist
Cleaned Gas on to
Droplet Separation
Gas Inlet
Cleaned Gas on to
Droplet Separation
Liquid to Spray
EDV® 5000 Filtering Module Efficient Fine Particulate Control
Fine Particulate
Fine Particulate
Encased in large
water droplet
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EDV® 5000 Filtering Module F-130 Spray Nozzle
Filtering
Module
F130 Spray
Nozzle
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Particulate Control/Size Distribution
EDV® Wet Scrubbing
1
10
100
0.1 1 10 100
PARTICLE SIZE (MICRONS)
% L
ES
S T
HA
N
Unit A
Unit B
Unit C
Unit D
Unit E
1
10
100
0.1 1 10 100
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Particulate Control/Absorber G-Nozzle Collection
EDV® Wet Scrubbing
1
10
100
0.1 1 10 100
PARTICLE SIZE (MICRONS)
% L
ES
S T
HA
N
Unit A
Unit B
Unit C
Unit D
Unit E
COLLECTED BY
G-NOZZLE
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Particulate Control/Filter Module F-Nozzle Collection
EDV® Wet Scrubbing System
1
10
100
0.1 1 10 100
PARTICLE SIZE (MICRONS)
% L
ES
S T
HA
N
Unit A
Unit B
Unit C
Unit D
Unit E
The balance of the particles smaller than 3 micron are then grown by condensation and scrubbed the EDV® Filtering Module .
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Condensation & Agglomeration of Fine Particulate & Sulfuric Acid Mist
Cleaned Gas on to
Droplet Separation
Gas Inlet
Cleaned Gas on to
Droplet Separation
Liquid to Spray
EDV® 6000 Filtering Module Very Efficient Fine Particulate Control
Fine Particulate
Fine Particulate
Encased in large
water droplet
Liquid to Spray
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Filtering Modules
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Removal of Excess Water Droplets without
mist eliminators
EDV® Wet Scrubbing
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Droplet Separators
EDV® Wet Scrubbing
Droplet
Separators
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EDV® Droplet Separator
Removes Droplets
Carryover From Gas
Stream
Low Pressure Drop
Non-Plugging Design
Open /Self Cleaning
No Mists Eliminators
No Moving Parts
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CYCLOLAB Droplet Separator
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Droplet Separators
EDV® Wet Scrubbing System
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CYCLOLAB Droplet Separator
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(for EDV® 5000 and 6000
models only)
EDV® Scrubbing System
Two Simple Process Flows
DIRTY FLUE GAS FROM FCC
EDV
ABSORBER
CLEAN GAS OUT
OVERFLOW DRAINS
EDV® FILTERING MODULES (for EDV
5000 & 6000 models only)
EDV® DROPLET SEPARATORS
EDV® STACK
LC
FC MAKEUP WATER
FC
FC
pHC
pHC
CAUSTIC
FC SLIPSTREAM TO
PURGE TREATMENT UNIT
(This loop is for EDV® 5000, and 6000 models only)
EDV® QUENCH
EDV
QUENCH
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Daily Monitoring (minimal)
a) General Walk-down of Entire System
b) Monitor pH and SO2 levels
c) Monitor pressure readings for the Tower Recycle
Pumps and Quench nozzles.
d) Monitor Delta ‘P’ for the Filtering Module Loop.
e) Monitor Clarifier Sludge Build-up
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Treatment of Scrubber Purge
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Purge Treatment Unit
EDV® Wet Scrubbing
Purge
Treatment Unit
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Typ. Purge Treatment Unit - PFD with Settling Bin
EDV® Wet Scrubbing
SCRUBBER
PURGE
FLOCCULENT CLARIFIER UNDERFLOW
TANK
UNDERFLOW
PUMP
FILTER PRESS
AIR BLOWER OXIDATION TOWERS
OVERFLOW
PUMP
OVERFLOW
TANK
EFFLUENT
DISCHARGE
CAUSTIC ADDITION
SETTLING BINS
50% Solids Non Hazardous
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Discharge of Scrubber Water
Reduction of Suspended Solids (TSS) down to
below 200 ppm
Reduction of Chemical Oxygen Demand from
Sulfites ( COD) down to below 100 ppm
More Stringent Effluent Specifications can
be met if required
Purge Treatment Unit -- Effluent
EDV® Wet Scrubbing System
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PTU for 60,000 bpsd FCCU
Oxidation Towers
Clarifier
Settling Bins
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Purge Treatment Unit- Settling Bins
EDV® Wet Scrubbing
Clarifier Underflow Dumping to Settling Bin
Dried Catalyst Fines
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Easily Modified for NOx
Control with LoTOxTM
- Low Temperature Oxidation
-
LoTOxTM is a trademark of the BOC Group
EDV® Wet Scrubbing
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LoTOxTM Installation on an FCCU
EDV Wet Scrubber with LoTOxTM
No x
Removal
SO2 & Particulate Removal
Fine Particulate Removal
Water Droplet Separation
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Ozone
Injection
NO, NOx Conversion
to N2O5
N2O5 Conversion to
HNO3 and Scrubbing by EDV Nozzles
Ozone Injection after
Quench
Conversion to N2O5
Conversion to Nitric Acid
Conversion to Sodium
Nitrate by contact with
scrubber reagent
Nitrates removed with
Scrubber Purge
EDV® Wet Scrubbing System
With LoTOxTM injection
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EDV® Wet Scrubbing System
With LoTOxTM injection
Simplified LoTOxTM Chemistry
NO + O3 NO2 + O2
2NO2 + O3 N2O5 + O2
N2O5 + H2O 2 HNO3
HNO3 + NaOH NaNO3 + H2O
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Rate of Reaction
NO + O3 ----> NO2 + O2 k = 1.8 x 10-14
2 NO2 + O3 ----> N2O5 + O2 k = 3.5 x 10-17
Low Temperature Oxidation of NOx: Rate (k) = cm3/molecule/sec
(298 degrees K)
Ozone is highly selective for NOx due to the rapid reaction
rate. NOx is rapidly converted to water soluble species:
N2O5 + H2O ----> 2 HNO3 (Liquid Phase)
CO + O3 ----> CO2 + O2 k < 1.1 x 10-21
SO2 + O3 ----> SO3 + O2 k = 2.2 x 10-22
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Species Relative Solubility at 25 oC
NO 1
NO2 20
SO2 2000
N2O5 >> 2000
HNO3 Mixes with water in allproportions
EDV® Wet Scrubbing System
With LoTOxTM injection
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ozone generator
Power supply unit
2. Energy
(480 V/60Hz)
Medium Voltage Medium
Frequency
1. Feedgas
OZONE
grounded
O2
Chiller
LOX Tank or
pipeline
LoTOxTM Process
Ozone Generation
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LoTOxTM Process
Ozone Generation
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1370 Lbs/day OZONE
GENERATOR -
OZONE SIDE OPEN
LoTOxTM Process
Ozone Generation
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Single Ozone Generator Cell Dielectric
LoTOxTM Process
Ozone Generation
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EDV® Wet Scrubbing System Ozone Injection
Ozone Injection
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(for EDV® 6000)
EDV® Scrubbing System
PFD w/LoTOx
(Only Ozone Injection
added)
DIRTY FLUE GAS FROM FCC
EDV
ABSORBER
w/RESIDENCE
TIME
CLEAN GAS OUT
EDV® FILTERING MODULES
EDV® DROPLET SEPARATORS
EDV® STACK
LC
FC MAKEUP WATER
FC
FC
pHC
pHC
CAUSTIC
FC SLIPSTREAM TO
PURGE TREATMENT UNIT
(This loop is for EDV® 6000
EDV QUENCH
Ozone
Injection
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LoTOxTM Partial List/Commercial Applications
Application Location Capacity NOx In / Out Start-up
Gas Fired Boiler Southern California 400 HP 150-70-30ppm /
2-5ppm
1997
Gas Fired Boiler Southern California 1000 HP 30-40ppm / 4ppm January ‘02
Coal Fired Power Plant Ohio 25 MW 200ppm / 10ppm October ’01
SS Pickling Process Pennsylvania -- 1000-3400ppm100ppm February ‘00
Refinery FCCU-EDV w/ Integral LoTOx Woods Cross, UT 9,000 bpsd 70-110ppm / 20ppm October, ‘12
Refinery FCCU (Pre-Invested for LoTOx) Arkansas 20,000 bpsd 70-100ppm/10ppm June, 2007
Refinery FCCU (Pre-Invested for LoTOx) Ardmore, Oklahoma 40,000 bpsd TBD
Refinery FCCU (Pre-Invested for LoTOx) Three Rivers, Texas 28,000 bpsd 70-110ppm/20ppm Oct. 2011
Refinery FCCU (Pre-Invested for LoTOx)
_____________________________________
Refinery FCCU (pre-invested for LoTOx)
_____________________________________
Sulfuric Acid Regeneration with LoTOx
Placid Refining, LA
________________
Alliance – Thailand
________________
Linden, NJ
30,000 bpsd
___________
40,000 bpsd
___________
80,000lbs/hr
90-165ppm/10ppm
TBD
TBD
1st Quarter ‘08
Refinery FCCU-LoTOx retrofit to ext. EDV Texas City, TX 52,000 bpsd 70-100ppm/10ppm February, 2007
Refinery FCCU (Pre-Invested for LoTOx) El Dorado, KS 40,000 bpsd 150ppm/20ppm TBD
Refinery FCCU-EDV w/ Integral LoTOx Houston, TX 58,000 bpsd 100-150ppm/10ppm April, 2007
Refinery FCCU LoTOx retrofit to ext. EDV Texas City, TX 60,000 bpsd 100-150ppm/8ppm Dec. , 2007
Refinery FCCU-EDV w/ Integral LoTOx
Refinery FCCU-EDV w/Integral LoTOx
Refinery FCCU-EDV Retrofit to Ext. Exxon
Texas City, TX
St. Charles, LA
Corpus Christi, TX
130,000 bpsd
75,000 bpsd
45,000bpsd
100-200ppm/10ppm
75-100ppm/20ppm
150-250 / 10ppm
July, 2007
Nov, 2010
October, 2010
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EDV Wet Scrubbing Performance
In a Single Process Unit
Typical Emission Values:
Particulate - Less than 50mg/Nm3
SO2 - Less than 20ppm
SO3 - 80% removal plus
NOx - Less than 20/10ppm
Performance values based on over 75 operating Refinery Industry applications
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Thank You
Belco Technologies Corporation
9 Entin Road
Parsippany, N.J. 07054
Website - http://www.belcotech.com
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