Hydrocarbon Processing - October 2022 - 56

Catalysts
TABLE 5. Industrial RFCC test runs and normalized yields
for catalystb
+ additivec
Mass fl ow, metric t/hr
ROT, °C
Activity, wt%
(Ni + V), ppm
Unit yields, wt% FF
C2
C3
-
=
LPG (ex. C3
=)
C5 standard naphtha
Standard cycle oil
Standard FCC bottoms
Coke
a NEKTOR™ catalyst
b NEKTOR™ SRIP catalyst
c OlefinsUltra® MZ additive
d Ecat ACE™ catalyst
f KBC's FCC SIM software
g ZAVANTI® additive
h OlefinsUltra®
LITERATURE CITED
1 McKinsey & Co, " Global downstream outlook to 2035, " July 2021.
2
3
Gonzalez, R., C. Chau, J. Llano, B. Aramburu and R. Larraz, " FCC catalyst for
maximum propylene, " PTQ, 4Q 2016.
Serban, S., C. Ekeocha, U. Singh and B. Cipriano, " Maximising yields and profits
from the FCC unit, " PTQ, 3Q 2021.
4 PTQ, 1Q 2019, pp. 61.
5
Baillie, C. and D. D. McQueen, " Combining mesoporosity with metals tolerance
for residue upgrading in FCC, " online: digitalrefining, July 2013.
AHMED AL-MARJIBI is a Process Engineer at OQ Downstream Refining and
Petrochemical and has 5 yr of experience in refining with experience in RFCC.
He joined OQ in 2017 and has been involved in revamps and troubleshooting
throughout his career. Al-Marjibi is a graduate of the University of Delaware and
holds a BS degree in chemical engineering.
FRANCISCO FERNANDEZ is a Senior Process Engineer at OQ. He holds a BSc
degree in chemical engineering and has more than 15 yr of experience in different
process units, including FCCUs, DCUs, CDUs/VDUs, and others. Throughout his
career, he has occupied several positions in process engineering, operations and
projects. He joined OQ in 2017 and presently oversees the operation of the RFCCU
at the Sohar Refinery.
SALEH DARYABARI is a Senior Process Engineer at OQ. He holds an MS degree
in chemical engineering and has 15 yr of experience in process engineering,
commissioning, revamp and troubleshooting of RFCCUs and hydroprocessing.
His expertise includes RFCC, hydrocracking and residue hydrotreating catalyst
evaluation and selection by pilot plant study.
GHADEER HUSSAIN MOHAMED REDHA is a Process Engineer at OQ Downstream
Refining and Petrochemical. She is a graduate from the German University
of Technology and holds a BE degree in process engineering. Redha has 5 yr
of experience in refining as a process engineer with experience in RFCC and
delayed coker units. She joined OQ in 2017 and has been involved in revamps,
troubleshooting and two turnarounds throughout her career.
FRANKLIN GONZALEZ is the Process Engineering Team Leader for OQ Sohar
Refinery. He holds an MS degree in chemical engineering and graduated from IFP
School. Gonzalez has more than 15 yr of experience in refining spent at the Cardon
Refinery PDVSA and Sohar Refinery, where his roles have included Hydrotreating
56 OCTOBER 2022 | HydrocarbonProcessing.com
TALAL AL RAWAHI is the Process Engineering Head for OQ Downstream Refining
and Petrochemical. He is a Fellow of the Sultan Qaboos University and holds a
BSc degree in chemical and process engineering. Al Rawahi has more than 12 yr of
experience in refining, spent predominately at OQ where his roles have included
polymer plant operator, RFCC Process Engineer and process engineering head
positions. He has operations and engineering experience in RFCC, distillation,
alkylation, hydrotreating, reforming, isomerization, steam cracking, polymers
and utilities. He joined OQ in 2010 and has been involved in many revamps,
commissioning and troubleshooting throughout his career.
MORGAN ALLEN is Senior Principal Technologist for GRACE Refining
Technologies, Middle East, a Fellow of the Institute of Chemical Engineers
FIChemE, and holds a BSc degree in chemical engineering. Allen has more than
30 yr of experience in refining, spent predominately at the Murco Refinery in
Milford Haven where his roles included Cracking and Olefins Manager and Senior
Process Engineer positions. He has operations and engineering experience in
FCC, vacuum distillation, HF alkylation, hydrotreating, reforming, isomerization,
distillation, utilities and oil movements. He has been involved in many FCC
revamps, commissioning and troubleshooting throughout his career. Allen joined
Grace in 2017 after completing an assignment with Amec Foster Wheeler as
Commissioning Manager in Kuwait.
GRAEME MACAULAY is a Technical Service and Sales Manager for GRACE
Refining Technologies, Middle East. He has more than 11 yr of refining experience
in various roles, predominantly technical support and optimization of FCCUs,
hydroprocessing and refinery-wide energy efficiency at Grangemouth Refinery in
Scotland. Based in Dubai, UAE, MacAulay provides technical support and account
management services to refiners in the region. He holds an MS degree in chemical
engineering from Strathclyde University in Glasgow and is a chartered member of
the IChemE.
LAMMA KHODEIR is the Market Segment Manager for Grace Refining
Technologies. She joined Grace as an R&D researcher leading new FCC product
developments before moving into her current position. Dr. Khodeir earned a
diploma degree in chemistry and a PhD in technical chemistry from the RuhrUniversity
of Bochum, Germany.
RAFAEL GONZÁLEZ SÁNCHEZ is Regional Marketing Manager EMEA for W. R.
Grace & Co.'s Refining Technologies business. Dr. González joined Grace as an R&D
researcher leading new FCC catalyst and ZSM-5 additives developments, then
moved to an FCC Regional Technical Sales Manager role for several years prior to
his current position. He holds an MS degree in chemical engineering and a PhD
in engineering and advanced technologies from Barcelona University, Spain. His
thesis topic was Heterogeneous Catalysis Developments for the Refining Industry.
Dr. González has more than 15 yr of extensive multidisciplinary experience in
catalyst design and development as well as FCCU technical service. He is the
co-author of several publications in the FCC industry field.
Base case
Base
Base
Base
Base
Base
Base
Base
NOTES
catalytic system vs. incumbent
Test run normalized conditions
468
536
72
10,714
Novel catalyst delta
-0.1
0.9
0.4
-1.6
1.1
-0.8
0.1
FIG. 9. Propylene yield comparison between the authors' company's
different ZSM-5 additives.
Process Engineer, FCC/RFCC Process Engineer and operation head positions.
He has operations and engineering experience in FCCU/RFCCU, distillation
and hydrotreating. Gonzalez joined OQ in 2017 and has been involved in many
revamps, commissioning and troubleshooting throughout his career.
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