Chemical Engineering April 2023 - 33

For example, if the existing steam
boilers will require the addition of
NOx-removal equipment, electrification
may provide an opportunity
to build new, smaller, more efficient
and more reliable steam boilers for
not much more than the regulatory
revamp cost. Similarly, if there
are steam-boiler reliability upgrade
projects planned, decreasing steam
consumption instead of implementing
a boiler replacement or reliability
upgrade project may be a
better option.
To find the best project for the
facility,
start with high-level goals,
develop a good understanding of
the existing systems, and compare
options while understanding which
parts are independent that can be
evaluated individually and which
parts are interrelated and need to be
considered as a group.
Clearly, both benefits and costs
must be understood.
The potential benefits include:
* Reduction in operating cost
* Improvement in energy efficiency
* Reduction in emissions
Associated costs include:
* Capital cost to implement
changes
* System upgrades required (both
within the facility and by third-party
suppliers)
* Process inside battery limit (ISBL)
and outside battery limit (OSBL) impacts,
both positive and negative,
for each option
Finally, note that it does not help
if a preliminary study makes an option
look promising, but impacts that
were not initially considered make
the option much more expensive
or impractical.
■
Edited by Mary Page Bailey
Authors
James Turner (james.turner@
fluor.com) is an executive process
director in Fluor Corp.'s Sugar
Land, Tex. office. He has more
than 30 years of experience in
process design for a wide range of
projects in the petroleum refining,
chemicals and gas-processing industries.
He has published and
presented many technical articles
Mohamad Fakhreddine (mohamad.
fakhreddine@fluor.com) is a process
engineer located in Fluor's
Long Beach, Calif. office. He has
more than 15 years of experience
in process design for a wide range
of projects in the petroleum refining,
utilities
and offsites and
power-generation industries. He is
a graduate of California State
Polytechnic University - Pomona with a B.S.Ch.E.
about process design, project execution, energy transition
and decarbonization, and holds patents for a combined
hydrotreater process design. He is a graduate of
Texas A&M University with a B.S.Ch.E. He currently
serves on the Texas A&M Chemical Engineering Department
Industry Advisory Council, and has been inducted
into the Texas A&M Chemical Engineering Academy of
Distinguished Alumni.
Ma Katrina D.
Sanaie
(ma.
katrina.sanaie@fluor.com) is a
principal process/specialty engineer
in Fluor's Aliso Viejo, Calif.
office. She has more than 20
years of experience in the process
design of utilities and offsites for a
wide range of projects in the petroleum
refining and gas processing
industries, and a subject matter
expert in flare systems and utilities and offsites. She
holds a B.S.Ch.E. from the University of the Philippines
and is a registered professional engineer in California.
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APRIL 2023
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Chemical Engineering April 2023

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