Page 167 - CW E-Magazine (29-7-2025)

News from Abroad Special Report

COLLABORATION Corrosion monitoring of pipelines
Technip and Shell Catalysts & Technologies announced

carbon capture delivery alliance INTRODUCTION root cause of failure and undertake DR. S.K. CHAKRAVORTY
ipelines play a crucial role in corrective maintenance.
France’s Technip Energies and capture space. “This is the best model Shell CANSOLV carbon capture solu- transporting liquids and gases Consultant (Plant Engineering)
Email: chakravorty4410@gmail.com
Shell Catalysts & Technologies have to make carbon capture more investa- tion pragmatically delivers on this Pover long distances. Numerous The inspection techniques can
signed a global alliance agreement to ble, scalable and accessible for indus- ambition.” sectors, from the food and beverage to be broadly divided into two types: using CP Coupons (Figure-2). Another
work exclusively together to deliver a trial sectors,” the companies said. the pharmaceutical industry, rely on ‘on-line’ and ‘off -line indirect’(2). popular on-line method is ultrasonic
post-combustion amine-based carbon The Shell Catalysts & Technol- these structures as an integral part of thickness gauging and pipeline crack
capture solution using Shell’s Arnaud Pieton, CEO, Technip Ener- ogies and Technip Energies alliance their production process. Perhaps no Radiographic methods are conduc- detection.
CANSOLV1 CO capture system. gies said, “By forming a global builds on a strong foundation, with two other industry relies on piping networks ted ‘on-line’, facilitating inspections
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alliance with Shell Catalysts & Techno- operating CANSOLV facilities, and more than the oil and gas industry. The without costly section removal or opera- Among the ‘off -line’ techniques, the
The alliance combines Shell Cata- logies in the fi eld of carbon capture, four CANSOLV-based projects reach- US alone has over 2.4-million miles tional shutdown (Figure-1). The fi gure
lysts & Technologies’ technology exper- we combine cutting-edge technology, ing a fi nal investment decision within of energy pipelines, the largest in the shows detectable and non-detectable
tise with Technip Energies’ integration smart engineering and excellence in the last 24 months. This includes Net world. However, most are buried, mak- cracks depending on its orientation,
and project delivery expertise. The par- project execution. This global alliance Zero Teesside Power, a pioneering ing them prime candidates for lack of location of a pit, direction of x-rays,
ties have agreed to work exclusively is the result of more than 10 years of project set to be the world’s fi rst maintenance and neglect. Corrosion-rela- test specimen, photographic fi lm, and
together to jointly off er a complementary collaboration and continuous inno- gas-fi red power station with carbon ted defects such as cracking can lead to developed fi lm, etc. In the case of insu-
solution in post-combustion carbon vation. Canopy by T.EN powered by capture and storage. numerous failures, including leaks, loss lated pipelines, radiographic approach
of containment and decreased structural also provides the added convenience of
CARBON CAPTURE & SEQUESTRATION integrity. In extreme cases, cracks can be allowing insulation material to remain Fig. 2: Application of CP coupon for
CF Industries starts up CO dehydration and compression the cause of catastrophic explosions(1). in place during the inspection. An monitoring CP system of a pipeline
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What makes pipeline corrosion parti-
unit at US site cularly dangerous is that some defects

American fertiliser fi rm, CF Indus- Mobil is developing along the Gulf ammonia for our customers,” said Tony are not readily visible. Unseen corro-
tries, has announced the start-up of the Coast to expand its integrated CCS Will, President and CEO, CF Indus- sion, such as those occurring inside the
carbon dioxide (CO ) dehydration and network. The US Environmental Pro- tries. As a result of its Donaldsonville pipe or under insulation, can progress
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compression facility at its Donaldsonville tection Agency issued a draft Class CCS project, CF Industries expects to for months or years before they mani-
ammonia complex in Louisiana (USA). VI permit for Rose in July, and fi nal produce approximately 1.9-mtpa of fest as leaks or spills.
permits are expected later this year. low-carbon ammonia. CF Industries
The facility will enable the trans- also expects to qualify for tax credits This article discusses inspection
portation and permanent geological “By starting permanent sequestra- under Section 45Q of the Internal techniques using particularly non-
sequestration of up to 2-mtpa of CO tion now, we reduce our emissions, Revenue Code, which provides a credit destructive techniques (NDTs) so that
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that would otherwise have been emitted accelerate the availability of low-carbon per metric ton of CO stored. corrosion failures are prevented. The
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into the atmosphere. ExxonMobil, the Mosaic opens new fertiliser facility in Brazil benefi ts of corrosion monitoring and
company’s carbon capture and seques- NDTs outweigh the benefi ts from con-
tration (CCS) partner for this project, US-based Mosaic has announced Distribution sales are expected to grow tact tests, especially because on-line
will be transporting and permanently the start of operations at its new ferti- from less than 8-mt in 2024 to 13-14 mt NDTs allow the pipe to remain in full
storing the CO . liser blending, storage and distribution by the end of the decade. The $84-mn continuous operation during the inspec-
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plant in Palmeirante, Tocantins, Brazil. investment in the Palmeirante facility tion.
On an interim basis, ExxonMobil is has been completed on time and within
storing CO from the Donaldsonville The plant increases blending capa- budget, the company informed. The most important parameters of Fig. 1: Crack/Pit/Flaw detection by Radiography
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complex in permanent geologic sites city and expands Mosaic’s presence a pipeline inspection are: measurement additional advantage is that this most commonly used is analysis and
through enhanced oil recovery. Upon in the fast-growing northern region The facility includes signifi cant of the pipeline’s wall thickness; assess- technique can be performed in high- identifi cation of corrosion products for
receiving its applicable permits, Exxon of Brazil. With a capacity to process warehouse capacity, automated blending ing the proper functioning of cathodic temperature environments. predicting the root cause of corrosion.
Mobil plans to transition to dedicated 1-mtpa of fertiliser, and approximately and bagging systems, and a direct rail protection (CP) system applied for the However, this method is indirect and
permanent storage, starting with its Rose 500-ktpa in 2025, the Palmeirante faci- connection to the port of Itaqui – reduc- pipelines; fl aws & cracks developed in For cathodically protected pipe- needs representative sample collection
CCS project. Rose is one of many dedi- lity will be a key contributor to Mosaic’s ing logistics costs and providing state- the pipeline due to localised corrosion; lines, on-line monitoring of the func- of the corrosion products from the
cated permanent storage sites Exxon ambitious growth plans in Brazil. of-the-art quality control technology. and failure analysis to understand the tioning of CP system can be done by failure site(3).

166 Chemical Weekly July 29, 2025 Chemical Weekly July 29, 2025 167

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