Energy and Power Technology Developments
The production and use of energy and power is a very topical
subject in today's world of high fuel prices and increasing scrutiny of
greenhouse gas production. Economic and political or regulatory incentives
are driving the need for more efficient use of energy in most industries.
The same incentives are encouraging more efficient and effective production
and delivery of power and energy. This session will highlight new developments
in these areas with presentations on new technologies and methodologies for
more efficient and effective production, delivery, and use of energy and power.
Abstracts:
Energy Optimization Studies To Enhance Both New Projects
and Return on Existing Assets
Xin (Frank) Zhu UOP LLC
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The demand for refined products has risen steadily in recent years
at rates greater than both crude oil and refining capacity. As a result, the supply
demand balance has tightened for both crude oil and refining capacity. These
circumstances are driving several key trends in the refining industry. Energy
prices have increased significantly in the US and throughout the world. Most
projections call for energy prices to remain relatively high in the future. Also,
investment and projects for new refining capacity have increased dramatically in
the last few years. New and improved energy optimization techniques can enable
refiners to address both of these trends. Energy optimization can enable refiners
to significantly improve the economics of new capacity projects and also reduce
energy costs in existing facilities at the same time. This is achieved via the
combination of the latest pinch analyses and tools coupled with process knowledge
and optimization. Case studies from recent projects will be used to illustrate how
energy costs have been substantially reduced with very quick payouts not just in new
capacity projects, but also in existing refining facilities. Several case studies
will be presented for projects ranging from addition of single major units to
refinery expansions involving several process units.
Synergies between process energy efficiency and
required relief loads
Rob Brendel, Jacobs Consultancy
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Engineers are often called upon to investigate possibilities
to reduce energy consumption for process plants – both existing plants in
operation and proposed plants in the design phase. The motivations for this
are well-known:
* Energy consumption is commonly the largest single operating
expense for a plant
* Reductions in greenhouse gas emissions can pay off through
trading of credits
* Allowable levels of emissions are being reduced systematically.
By the same token, emergency pressure-relief systems have
received increased attention recently, particularly in the refining and petrochemical industries, for several reasons:
* As a result of the fatal 2005 explosion at BP’s Texas City
refinery
* As plant expansions and reconfigurations increase demand on
existing relief systems – primarily flares
This presentation points out the synergies that can arise when
efficiency and relief loads are addressed simultaneously. These synergies arise
because reductions in the energy input to a process, or substitutions of
high-quality energy with low-quality energy sources, can achieve both goals.
Efficiency or energy intensity is improved, and relief loads are smaller since
less energy is available during an emergency scenario.
Examples of these dual benefits will be demonstrated through
changes in equipment and conditions for several types of common processes.
Waste Heat Recovery and Air Pollution Control
Mario Romero, President, 734-223-1338, mromero@wowenergies.com
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WOW Energy has developed two unique technologies: WOWGenTM and
WOWCleanTM as part of its commitment to meeting the world’s
energy and environmental challenges
WOWGenTM is our patented process for generating power from waste
heat sources. Industrial operations spend large amounts of money
on energy, much of which is wasted as heat going up the stack.
This waste heat can be put to excellent use to generate electrical
power. Benefits include
* Use of waste industrial process heat as a fuel source that,
in most cases, has represented nothing more than thermal pollution
for decades.
* Generation of significant power with no incremental emissions;
this generation typically offsets power currently being produced
by coal generation plants. Each MW of generation effectively eliminates
21 tons of NOX, 59 tons of SO2, and 8,615 tons of CO2 emissions
annually.
* Stable, predictable generation capability on a 24x7 basis. This
means that even when the sun has set, or the wind has ceased blowing,
the facility can be generating clean, reliable power.
* Distributed generation; thereby reducing transmission line congestion
and losses. In addition, distributed generation eliminates the
4% to 8% power losses due to transmission and distribution associated
with central generation.
Beneficial applications of heat recovery power generation can
be found in Industry (e.g. steel, glass, cement, lime, pulp and
paper, refining and petrochemicals), Power Generation (CHP, MSW,
biomass, biofuel, traditional fuels, gasifiers, diesel engines)
and Natural Gas (pipeline compression stations, processing plants).
After generation of power from waste heat, the exhaust temperature
of the flue gases is reduced to 100-140 F, an ideal temperature
for treatment and elimination of greenhouse gases and acid rain
precursors. To address this, Wow Energy developed its WOWCleanTM
technology. A pilot plant was built in a development program with
the Texas Commission on Environmental Quality (TCEQ) to field test
the removal of air pollution constituents from the flue gas of
a power plant in order to determine the optimum emission reduction
system required for a full-scale system.
The pilot plant was tested in 2006 at a biomass-powered plant
in Maine and at a Houston, TX power plant fueled with 100% petcoke.
In addition to significant removal of CO2 (25-85%), test results
demonstrated the capability to remove > 99.5% SOx (from levels
as high as 2200 ppm), > 90% reduction of NOx, and 99.5% reduction
in particulate matter. Removal rates > 90% of heavy metals,
including mercury were achieved.
Whole Facility Power Protection
Tom Hayne, Manager, Product Management, S & C Electric Company, Power Quality Products Division
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In continuous process industries everything depends on a
reliable power supply. A disruption of even a few milliseconds can
result in a partial production shut-down and potentially significant
financial costs as well as possible lost data, interrupted or broken
communications or corrupted files. The PureWave® UPS System's unique design
offers a number of advantages over competing technologies.
Speaker Bio:Tom is Manager, Product Marketing in
S & C Electric Company's Power Quality Products
Division which specializes in custom engineered products to help customers with
various power protection and quality issues. Tom has over thirty years of industry
experience in various Sales, Marketing, and Business Development roles.
Tom has a B.S.E.E. from Marquette University and an M.B.A. from the University of Wisconsin-Milwaukee.
Power Electronics and the Next Electrical Energy Revolution
Philip T. Krein, Department of Electrical and Computer Engineering,
University of Illinois at Urbana-Champaign
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This presentation illustrates the emerging second electrical energy
revolution – the twenty-first century revolution that is completely changing
the original twentieth century electrification revolution. The talk reports
that power electronics, the processing of electrical energy through electronic
circuits, is the driver behind this revolution. Modern portable devices, new
energy resources, the fundamental changes occurring in automobiles, and many
other areas have power electronics as a critical enabling technology. The
tasks require nonlinear switching circuits, the core technology of power
electronics. Examples include electronic motor drives, dc-dc converters,
controls for utility distribution and other levels, solar energy power
conditioning circuits, “digital power,” electric and hybrid automobiles,
high-efficiency power supplies, and special semiconductor devices. Emphasis
is on the opportunities across power electronics and power engineering based
on challenges of power electronics as we enter a new energy era.
Dividing Wall Columns
Dennis O'Brien, Jacobs Consultancy
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This presentation will provide a tutorial on the basics of dividing
wall fractionation design and operating principles. This fractionation configuration
is becoming more widely used as new applications are commercialized and publicized.
Substantial capital (up to 30%), operating (also up to 30%) and maintenance cost
savings can be realized in the cases where this design is appropriate.
Speaker Bio: Dennis O'Brien is currently a Group Manager with
Jacobs Consultancy in the Chicago office. He retired from UOP after 34 years.
Mr. O'Brien has 15 patents primarily in the area of detergents, olefin processing
and distillation. He has a BSChE from the University of Tulsa (1971) and an MBA
(1979) from Roosevelt University. His AIChE activities include Director of
Fuels and Petrochemicals. He is a Fellow of AIChE.
Michael A. Schultz |
Kevin Taylor |
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AIChE - Detroit |
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