Business

Bunker Flash: Update on chemical contaminants in fuels from ARA Region

Several VLSFOs delivered in this region are still observed with presence of chemical contaminants, indicating elevated potassium content and acid number.

Published

4 years ago

July 28, 2022

Admin

Marine fuel testing and marine surveying business Maritec Pte Ltd (CTI-Maritec) on Wednesday (27 July) issued an updated alert on the continued presence of chemical contaminants in ARA region bunkers, which are elevated potassium content and acid number.

Issued on 27 July, 2022

Since the last alert (BF202207-01) dated on 5 July 2022 on Chemical Contaminants in Fuels from ARA Region (Amsterdam, Rotterdam & Antwerp), CTI-Maritec has kept a close watch on the fuel quality in the region. More recently, several VLSFOs delivered in this region are still observed with the presence of chemical contaminants. These VLSFOs also indicated elevated potassium content and acid number.

Forensic analysis by Gas Chromatography and Mass Spectrometry techniques, specifically ASTM D7845 GC/MS and Solid Phase Extraction (SPE) GC/MS, on some of the samples revealed the presence of the following compound groups at abnormally high concentrations:

Fatty Acids and Monoglycerides (>1000ppm)
Alkylresorcinols (>2000ppm)
Phenolic compounds (>1000ppm)

It is difficult to determine a safe concentration level suitable for marine diesel engine usage or the baseline wherein machinery problems may occur. Due to the severity of the machinery problems faced, we urge vessel operators to continue pre-emptively testing the fuels bunkered in the region by accredited test methods to detect these contaminants assessing the risk each bunker stem has on the vessel machinery.

Recommendation by CTI-Maritec:

Obtain quality assurance and test proof from suppliers on the absence of contaminants in the intended stem prior bunker delivery (This will require testing beyond the scope of standard ASTM D7845-20 test method)
Plan your bunkers well in advance to keep the incoming fuel segregated and reduce the risk of comingling.
Ensure sampling procedure during bunkering is witnessed by both supplier and receiver and sample bottles are counter-sealed and same recorded in the Bunker Delivery Note.
Be aware of your bunker supply contract and the notification time limit stipulated to flag potentially problematic fuels to the supplier.
Look for signs of abnormally high potassium content (>110ppm) and/or high total acid number (>1.5mgkoh/g) and pre-emptively analyze the bunker fuel by Gas Chromatography and Mass Spectrometry (GC-MS) that can reveal the presence of undesirable compounds in the fuel thus safeguarding vessel operations.
Where chemical compounds have been detected, gather sufficient evidence to support further investigation. Proceed to conduct joint analysis in agreement with the supplier by an independent laboratory capable of detecting the compounds to determine the compliance with ISO8217 clause 5 – General Requirements.

This document however does not reflect on the overall quality of fuel being supplied at ARA region.

Photo credit and source: CTI-Maritec
Published: 28 July, 2022

Legal

Shell Singapore charged over Pulau Bukom oil leaks, reporting delays

Shell faces four charges under Singapore’s Prevention of Pollution of the Sea Act over two 2024 oil discharge incidents at its Pulau Bukom facility.

Published

20 hours ago

September 25, 2026

Admin

2 MPA craft (left) supporting Shell craft in the clean up operations of the oil sheens taken on 28 Dec 9am

Shell Singapore has been charged over two incidents in 2024 involving oily mixtures discharged into Singapore waters from its facilities at Pulau Bukom, according to media reports on Tuesday (22 September).

The company faces four charges under the Prevention of Pollution of the Sea Act, including allegations that it failed to report the discharges to the port master immediately.

The first incident occurred on 20 October 2024, when approximately 40 metric tonnes (mt) of oily mixture was discharged through a hole in a pipeline at the Shell Singapore Energy and Chemicals Park at about 8am.

Shell is accused of reporting the incident to the port master at about 12.55pm, several hours after the discharge occurred.

The second incident took place between 26 and 28 December 2024. An estimated 485kg to 956kg of oil mixture was discharged into Singapore waters from the same facility.

Shell is accused of failing to report the incident immediately, with notification to the port master made at about 11.50am on 26 December 2024, according to the charges.

Singapore’s pollution-prevention regulations require occupiers of such facilities to report oil or oily-mixture discharges into Singapore waters “without delay and to the fullest extent possible”.

Shell’s representative requested an eight-week adjournment at the 22 September hearing, citing the need to obtain internal instructions, appoint counsel and locate historical records. The company said the business associated with the incidents had been divested in 2025.

The case was adjourned to October. Shell is also facing prosecution by Singapore’s National Environment Agency over the same incidents.

Photo credit: Maritime and Port Authority of Singapore
Published: 25 September, 2026

Incident

MPA probes Singapore Strait collision involving fishing vessel, bulk carrier

MPA says there were no reported injuries among the crew of either vessel in the incident involving China-registered fishing vessel “Lu Qing Yuan Yu” and Panama-registered bulk carrier “First Margaux” .

Published

20 hours ago

September 25, 2026

Admin

Panama-registered bulk carrier “First Margaux”

The Maritime and Port Authority of Singapore (MPA) on Tuesday (22 September) said it is investigating the incident involving the China-registered fishing vessel Lu Qing Yuan Yu and the Panama-registered bulk carrier First Margaux in the Singapore Strait on 17 September.

MPA said there were no reported injuries among the crew of either vessel or pollution arising from the incident and navigational traffic was not affected.

Videos circulating on social media showed the bulk carrier colliding with the fishing vessel.

“The fishing vessel took on water during the incident but remained afloat and stable, with the crew taking measures to manage the situation onboard,” MPA said.

The vessel was subsequently towed to Raffles Reserved Anchorage for assessment.

Essential crew remained onboard to support the tow, while the Singapore Civil Defence Force supported the transfer of other crew to shore.

MPA added it also issued navigational safety broadcasts to keep other vessels clear of the tow and escorted the vessel into port with a MPA craft.

Photo credit: MarineTraffic / Arnold Pohen
Published: 25 September, 2026

Mass Flowmeter

TFG Marine deploys first MFM-equipped bunker barge in Jamaica

Bunker barge “Kingston Trader” is currently on its way to Jamaica following the successful installation of a Coriolis mass flow meter (MFM) system, certified to ISO 22192.

Published

20 hours ago

September 25, 2026

Admin

TFG Marine deploys first MFM-equipped bunker barge in Jamaica

Global marine fuel supply and procurement firm TFG Marine on Thursday (24 September) said its bunker barge Kingston Trader is currently on its way to Jamaica following the successful installation of a Coriolis mass flow meter (MFM) system, certified to ISO 22192.

The company said the latest installation brings the proportion of TFG Marine’s fleet equipped with MFMs to approximately 88%, marking another step in the continued rollout of this technology across its global bunkering operations.

“The barge will operate in Jamaica through our local partnership with Scott Petroleum, becoming the first bunkering vessel in the region equipped with this technology and bringing greater accuracy, transparency and assurance to fuel measurement for customers across the Caribbean,” TFG Marine said in a social media post.

“Together with Scott Petroleum, we look forward to working collaboratively with the Maritime Authority of Jamaica, the The Port Authority of Jamaica, Petrojam Limited and other stakeholders to share our experience of MFM technology, explore its wider benefits and support the continued development of bunkering standards across the region.”

Manifold Times previously reported TFG Marine continuing to expand MFM technology across its US Gulf Coast bunker fleet with Buffalo B414 and Buffalo B304 being fitted with the equipment.

Last year, TFG Marine announced it reached a key milestone in its global digitalisation programme with the installation of an ISO 22192-compliant MFM on the Buffalo 404, a barge on time charter from American bunker barge company Buffalo Marine Service Inc.

The installation was part of TFG Marine’s wider strategy to equip close to 90% of its global bunkering fleet with MFMs by 2026 as a commitment towards improving data integrity, streamlining operations and strengthening trust in marine fuel transactions.

Photo credit: TFG Marine
Published: 25 September, 2026