Power Knot marine LFC biodigester in a ship galley. The Perfect Biodigester for
Cruise Ships, Cargo Ships, and Yachts
Wide range of aerobic biodigesters built to withstand oceanic conditions
and capable of digesting 10–3000 kg of food waste per day.
Close up image of food waste and vegetables being poured into the LFC biodigester. Divert Plastics from
the Ocean
Meet DOJ and MARPOL compliance,
improve operations, and reduce carbon footprint
cruise ship with biodigester on board Onboard Food
Waste Solution
Industry leader of marine friendly
food waste digester.

OUR PRODUCTS

LFC biodigester for marine applications

The LFC® biodigester is a commercial aerobic biodigester that decomposes food wastes within 24 hours. It uses a series of processes in which micro­organisms break down biodegradable material in the presence of oxygen. The output is grey water that can be pumped directly overboard or treated by the vessel sewage treatment plant.

Using Power Knot’s LFC biodigesters on ships ensures that organic waste can be safely disposed of with no possibility of plastics entering the ocean. With hundreds of machines deployed across cruise ships, cargo ships, FSRUs, tankers, and mega yachts, Power Knot Ocean brings seven years of experience to solving problems of organic waste on vessels while meeting MARPOL regulations.

Latest News

How improper food waste management leads to microplastics in the ocean
July 11, 2022
How improper food waste management leads to microplastics in the ocean

When a single-use plastic bag from the grocery store or plastic straw from a morning coffee doesn’t make it to the recycling center, ...

This is why the marine industry uses biodigesters
May 20, 2022
This is why the marine industry uses biodigesters

The Power Knot service and support team recently took these items out of an LFC biodigester. Upon closer inspection, we found the remov...

Power Knot Receives Food Digester Orders for Services and Support from Carnival UK
February 15, 2022
Power Knot Receives Food Digester Orders for Services and Support from Carnival UK

Power Knot LLC has received multiple food digester orders for spare parts, services, and support from Carnival United Kingdom (CUK).

Cruise Ships Set Sail with Power Knot Biodigesters on Board
June 15, 2021
Cruise Ships Set Sail with Power Knot Biodigesters on Board

As more cruise lines seek to green their operations, balancing sustainability, operation costs, and MARPOL regulations, food waste has ...

Modern Food Waste Solution for Ships: Switching from Food Pulpers to Biodigesters
November 7, 2021
Modern Food Waste Solution for Ships: Switching from Food Pulpers to Biodigesters

Food waste is one of the biggest issues that maritime vessels are still struggling to deal with. We review and compare food pulpers aga...

Luxury Super Yacht Just B Installs Food Digester from Power Knot
August 30, 2021
Luxury Super Yacht Just B Installs Food Digester from Power Knot

Just B, a luxury super yacht capable of comfortably accommodating up to 14 guests in 7 cabins, has installed the LFC-25 biodigester as ...