PureSOx Scrubber

The Emissions Compliance Corner

The blog of Kate Schrøder Jensen, Regulatory Affairs Specialist

Welcome to the expert blog of Kate Schrøder Jensen, Alfa Laval’s specialist in emissions regulations and liaison with MARPOL.

“Here I cut through the confusion and rumours about fuel sulphur limits, exhaust gas cleaning, scrubber technology and more. Emissions legislation is complex, but the main question is simple: how does this affect me?”

Hear more of Kate’s thoughts in this video introduction.

Can’t find an answer in existing posts? Ask your own question below.

More about who I am and what I do

As you can read in the introduction to this blog, I’m a regulatory affairs specialist at Alfa Laval. But that’s just a job description.

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Progress on black carbon (BC) and solutions for combatting it

26-05-2020: Late in March, IMO’s Pollution Prevention and Response (PPR) sub-committee held its 8th meeting. This was yet another crossroads for the discussion on black carbon (BC), hinging on the question of what to do next.

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Conclusions from MEPC 75

31-03-2021: During MEPC 75, all work related to EGCS was postponed. What was concluded during this meeting? And what will be discussed during MEPC 76? I give my thoughts in this blog.

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CE Delft study on CO2 emissions

17-02-2020: A report issued in August by CE Delft, details a new study named “Comparison of CO2 emissions of MARPOL Annex VI compliance options in 2020”, which I will nickname the “WtW study” in reference to its well-to-wake scope. In my new blog I examine the study.

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PAH and scrubbers – part one

05-05-2020: In my last blog post, I touched upon how the draft EGCS Guidelines now define the PAH monitoring methodology. I also wrote that PAH as a regulatory substance for scrubbers can be difficult to comprehend. So, in this blog post I’d like to clear up some of the PAH mystery.

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The outcome of the PPR meeting in February 2020

25-03-2020: It’s been about a month since the PPR (Pollution Prevention and Response) meeting in London. What, then, is the verdict from a scrubber manufacturer perspective? Or are you more interested in what impact the agreed outcome will have on shipowners?

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The upcoming PPR meeting at IMO

12-02-2020: Next week, IMO’s PPR (Pollution Prevention and Response) subcommittee will have their 7th meeting (PPR 7). The plan for this meeting is to revise the 2015 EGC guidelines. This task has been in the pipeline for the last two years, but more pressing matters such as “IMO 2020” (the global sulphur cap) have led to constant postponements.

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Do inert gas systems need to comply with EGCS water quality requirements?

16-01-2020: The question above is asked very frequently, and it still has no definitive answer. Let’s look at why the water quality rules for an exhaust gas cleaning system (ECGS) might – or might not – apply to an inert gas system.

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Out of compliance – new guidance explains the implications

06-12-2019: In May of this year, new guidance was approved by IMO’s Marine Environment Protection Committee (MEPC) and circulated as MEPC.1/Circ.883.

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China’s Domestic ECAs and new discharge water rules

06-11-2019: Since 2015, China has slowly expanded what it calls the Chinese Domestic ECAs, where ECA is short for Emission Control Area. These ECAs should not be confused with the ECAs defined by IMO.

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Enforcement of the 2020 global sulphur cap

24-09-2019: The 2020 global sulphur cap is just around the corner. In various other corners, I hear a lot of discussion: how it is even possible to enforce this regulation?

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Scrubber sludge from ship to shore

10-09-2019: Describing scrubber sludge as a substance explains that scrubber sludge comes in wide range of viscosities depending on the cleaning equipment installed on board. The majority of ship owners prefer to be able to pump the sludge from ship to shore. The other alternative is to truck/lift it from the ship.

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Scrubber sludge – what is it?

10-09-2019: From an Alfa Laval point of view, scrubber sludge is waste collected during scrubber operation in closed-loop mode. For other suppliers, it can also be a substance collected during open-loop operation. But this post is written from our perspective on the world.

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Ask Kate

There’s a lot to discuss when it comes to emissions and compliance. Have your own question in need of a specialist answer? Ask it here.

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