POWER December 2021 - 6

CCS Technology Supports
Coal-to-Gas Switching and
Carbon-Based Products
A power plant in Western Canada is showcasing
carbon capture technology that
can first be deployed at a coal-fired facility,
and then adjusted to accept flue gas
from a natural gas-fired system without
the need for a plant rebuild. The technology
is designed to facilitate the transition
to natural gas-fired generation at plants
making a switch from coal to gas.
The technology, developed by Delta
CleanTech, could enable coal plants to
implement carbon capture and sequestration
(CCS) to reduce emissions, and
the CCS system could continue to operate
after a plant switches to burn natural
gas. The project is underway at Capital
Power's Genesee Generating Station located
west of Edmonton, near Warburg,
Alberta, as part of a larger Capital Power
initiative to reduce the utility's carbon
footprint. Capital Power, which owns
more than 64 GW of generation capacity
at 26 facilities across North America,
is repowering the coal-fired Units 1 and 2
(Figure 1) at Genesee to utilize natural gas
combined cycle (NGCC) technology, while
adding Delta CleanTech's CCS system.
Unit 3 at Genesee, another coal-fired
unit, is undergoing a dual-fuel transition
and will be 100% gas-fueled in 2023. The
plant's three units have more than 1,300
MW of generation capacity. Capital said
the Genesee project is part of its effort
" to advance the commercialization of
carbon capture, utilization and sequestration
(CCUS) technology, " and the utility
said it plans " to integrate direct air capture
(DAC) into our portfolio of decarbonization
technologies to further reduce
emissions. " Capital is part of the Carbon
Capture Coalition, a collaboration of dozens
of businesses and organizations
building government policies " to enable
economywide, commercial scale deployment
of carbon capture technologies,
which includes carbon capture, removal,
transport, utilization, and storage from industrial
facilities, power plants, and ambient
air. " The utility also participates in the
Canadian Carbon Capture Collaborative.
" The importance of a Genesee-style
project is that it reflects the flexibility of
new CO2
[carbon dioxide] capture technology
that can be installed for coal combustion
and later adapted for natural gas
combustion, " said Lionel Kambeitz, exec6
utive
chairman of Calgary, Alberta-based
Delta CleanTech. Kambeitz told POWER,
" Many plants around the world are contemplating
switching from coal to natural
gas, but do not want to delay the opportunity
for Delta's CO2
capture technology
to be installed today. Delta CleanTech has
had an unprecedented demand for CO2
capture plants in Alberta on decentralized
power generation projects, whereby power
is being produced with off-market natural
gas and the power can be supplied to
the grid at peak demand with the ancillary
power being utilized to drive data miners
for the production of bitcoin. These Delta
projects are proving to deliver the low
cost of power required for cost-effective
bitcoin mining while also decarbonizing
the electricity that is required. "
Decarbonization is part of the equation
for such projects; Kate Chisholm, senior
vice president, Planning, Stakeholder Relations,
and Chief Sustainability Officer for
Capital Power, earlier this year said, " It's
our responsibility to do our part to help
society meet the long-term challenges
facing our planet. We have a long history
of saying what we'll do, then doing what
we say-and our actions to move off coal,
invest in hydrogen- and CCUS readiness,
and invest in a sustainable energy future
for Canada demonstrate just that. "
Delta CleanTech's role in the Genesee
project comes after the company's participation
in Canada's Carbon XPRIZE competition,
designed to develop " breakthrough
technologies to convert CO2
emissions into
usable products. " Delta CleanTech supplied
the CO2
for use in the competition.
Jeff Allison, the company's president,
told POWER, " Delta CleanTech's postcombustion
CO2
capture technology has
been perfected over the past 15 years
and is considered to be a cutting-edge,
commercially available carbon capture
technology. " Delta CleanTech spun off
from former parent HTC Extraction Systems
in January as it prepared to be listed
on the Canadian Securities Exchange.
The company designs and manufactures
modular equipment for capturing CO2
emissions from smokestacks and other
sources, along with solvent and ethanol
purification, hydrogen production, and
carbon credit certification and trading.
The company's technology, known
as " Low-Cost Design Post-Combustion
CO2
"
capture technology-or
www.powermag.com
LCDesign-is
among the group's technologies
1. The Genesee Generating Station near
Warburg, Alberta, Canada, is home to a carbon
capture and sequestration (CCS) project
utilizing an innovative CCS system from Delta
CleanTech. Courtesy: Capital Power
for carbon capture across industries including
oil and gas production, coal- and
natural gas-fired power generation, and
industrial food grade CO2
told POWER, " Our design of a CO2
markets. Allison
capture
plant that can be used for a coal plant
before and after converting to natural gas
is the first we are aware of in the world. "
Capturing carbon from Genesee's generating
units is part of Capital Power's effort
to build what it considers the world's
largest commercial-scale production facility
of carbon nanotubes (CNTs), a product
with electrical conductivity that also can
act as a semiconductor. The Genesee
plant will deploy C2CNT technology-a
carbon utilization solution that transforms
emissions into high-quality CNTs. CNTs
have many uses, including in electronics,
optics, and as a replacement or complement
to carbon fibers. Capital said the
project at Genesee-approved by the Alberta
Utilities Commission in June of this
year-will have an initial production capacity
of 2,500 tonnes of CNTs annually,
and when fully complete could produce
up to 7,500 tonnes each year.
The production of CNTs is just part of
the plan; Capital said it considers CCUS
" as an integral part of the long-term solution
to tackle climate change globally and
enable zero or near-zero emissions from
natural gas generation. When combined
with the integration of renewables,
CCUS will ensure the ongoing affordability
and reliability of our power systems
while critically reducing emissions. The
addition of DAC technology further supports
our decarbonization goals by offering
the potential to physically offset
emissions from our portfolio that are not
technically or economically feasible to
eliminate at source. "
Capital said the project at Genesee
once fully operational could be " deliverPOWER
| December 2021
http://www.powermag.com

POWER December 2021

Table of Contents for the Digital Edition of POWER December 2021

POWER December 2021 - Cover1
POWER December 2021 - Cover2
POWER December 2021 - 1
POWER December 2021 - 2
POWER December 2021 - 3
POWER December 2021 - 4
POWER December 2021 - 5
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POWER December 2021 - SCover1
POWER December 2021 - SCover2
POWER December 2021 - S1
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