Calculate Embedded Emissions for Unwrought Aluminium (HS7601)

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Payable emissions (tCO₂e/t)

Total CBAM Cost (€)

Notes:
There may be a difference when calculating the price with respect to import volume, carbon price, and benchmark emissions, as the embedded formula may result in minor variations due to decimal rounding. Therefore, the actual value may vary.

CBAM is applicable to trade volumes starting from 50 metric tonnes. For trade volumes below 50 metric tonnes, CBAM does not apply.

Usage Procedure – How to use the CBAM Calculator Sheet

Enter or update values only in the INPUT
PARAMETERS section (Highlighted in blue) , including
the carbon price, benchmark emissions, CBAM
chargeable percentage (as per the phase-in year),
and imported quantity.

The system will automatically calculate the payable
emissions and the total CBAM cost (€) based on the
inputs provided.

Notes:
• Change any input value to automatically update CBAM cost.
• Formula used: Carbon price × payable emissions × quantity.
• Model aligned with CBAM supplier-side illustrative methodology.

05 APRIL 2024 AL CIRCLE

UK's Clean Harbours Partnership pushes for aluminium anodes over zinc for boat hulls

EDITED BY : SARNALI CHAKRABORTY 2MINS READ

The UK's Clean Harbours Partnership is promoting the adoption of aluminium anodes over conventional zinc ones on their boat hulls. They encourage boat owners to transition from zinc to lighter and more efficient aluminium anodes, citing benefits for performance enhancement and environmental friendliness. In 2023, the application of aluminium in ships, yachts, and water vessels continued to grow, driven by its several advantages over traditional materials like steel.

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The partnership highlights its investigation into the discharge of metals, particularly copper and zinc, into the ocean. According to findings from the Institute of Marine Sciences at Portsmouth University, an estimated 900 tonnes of zinc were likely released into coastal and inland waters in 2020, primarily attributed to recreational vessels.

"The problem is metals do not degrade. They accumulate in the ocean and sediment on the seabed, where organisms at all levels in the food chain ingest them. Zinc anodes also contain cadmium, which is harmful to marine life, whereas aluminium does not. While aluminium anodes are being used by some of the UK's major boat manufacturers, evidently they are not being used widely enough. We are urging boat builders and boaters across the UK to switch," said James Collings Wells, at the partnership

Due to its higher electrochemical capacity, an aluminium anode of the same size will outlast its zinc counterpart. Additionally, aluminium is lighter than zinc and boasts a higher driving voltage, making it more efficient in brackish water conditions.

Suppose an anode appears to be eroding at a faster rate than anticipated. In that case, it is advisable to investigate potential electrical issues such as stray currents or improper grounding of calling wells. Rectifying these issues would decrease the amount of metal shed by the anodes into the environment. Similarly, extended periods of connection to shore power without a galvanic isolator can lead to the same adverse effects.

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