Cruise operator sails past food waste targets after huge equipment roll-out

Compost heap

The world’s largest cruise company has completed the installation of nearly 600 food waste biodigesters across its fleet.

Carnival Corporation said the huge roll-out, spanning the last couple of years, supported ongoing food waste management and reduction efforts that form part of its overall commitment to environmental compliance.

The innovative technology has been added to ships from the company’s nine cruise line brands:  Carnival Cruise Line, Princess Cruises, Holland America Line, Seabourn, P&O Cruises (Australia), Costa Cruises, AIDA Cruises, P&O Cruises (UK) and Cunard.

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The biodigester technology uses a natural aerobic digestion process inside each machine to efficiently break down food waste utilising a mix of beneficial microorganisms, enabling the systems to process anything that can be consumed by a human.

Able to perform automated digestion 24 hours per day, the biodigesters are strategically placed in key areas of the ship where food is processed, further improving onboard operations by making it easier and more efficient for crew members to manage and control food waste.

Additionally, the machines capture non-food items or other materials accidentally mixed with food waste, providing an additional layer of protection for environmental compliance on each ship.

Since first piloting the technology in 2019, Carnival Corporation and its nine global cruise line brands have expanded the use of the systems across their fleets.

The installation supports Carnival Corporation’s aggressive food waste management objectives, as part of its 2030 sustainability goals.

These goals support the company’s circular economy focus area by including a commitment to achieve a 30% reduction in unit food waste by 2022 and a 50% reduction in unit food waste by 2030.

Last year the company managed to reduce food waste per person by over 20%, double its original target.

“The significant investment in this technology goes hand in hand with our highest responsibility and top priority at Carnival Corporation, which is compliance, environmental protection and the health, safety and well-being of our guests, the people in the communities we visit and serve, and our shipboard and shoreside personnel,” said Bill Burke, chief maritime officer for Carnival Corporation.

“We have made great strides in our circular economy focus area and the roll-out of nearly 600 biodigesters represents another important milestone for our ongoing efforts to further minimise our impact on the oceans we sail and the communities we visit while supporting overall food waste management efforts and environmental compliance on board our ships.”

In addition to food waste management objectives, the company is aiming to significantly reduce non-essential single-use plastic items and increase fleetwide coverage of advanced waste water treatment systems to over 75% by 2030.

Carnival UK places multiple food digester order for services and support

Tags : Carnival Corporationfood waste
Andrew Seymour

The author Andrew Seymour

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