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SEAVAX 2
AI -
ARTIFICIAL INTELLIGENCE
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OCEAN
CONDITIONER - This
original SeaVax vessel
was designed to operate in fleets
to target ocean waste before it settles on the ocean floor
where nobody can recover it. There is nothing like it in
existence today, though other ideas for trapping plastic waste
are being developed, such as that of Boyan
Slat and the
Seabin.
SeaVax was to be made more cost effective in operational terms with AmphiMax
versatility that slashes the cost of production and servicing
by using a amphibious portable dock for assembly, launch and servicing.
SeaVax would have been the only ocean going machine capable of
harvesting ghost
fishing nets. Eleven years on from 2015, in 2026 there is
still nothing that can do that.
If a fleet of 700 AI-guided
'SeaVax 2' vessels is required to sweep 8 million tonnes per year, each AI-assisted vessel achieves an annual harvest of approximately 11,428
tonnes. Compare estimates, AI and Non-AI:
Baseline (non‑AI) estimate
Assume: 50 tonnes per fill cycle
1 cycle every 10 days (search + harvest + offload) for 36 cycles per year
Annual recovery per vessel: 50 tonnes × 36 = 1,800 tonnes/year
AI‑optimised estimate
AI reduces search time by ~40% and increases time spent in high‑density zones by ~30%.
New cycle time: 10 days × 0.6 = 6 days
Cycles per year: 365/6 ≈ 60
Annual recovery per vessel: 50 × 60 = 3,000 tonnes/year
Gain per vessel: 3,000 − 1,800 = 1,200 tonnes/year (+ 67%)
HOW AI UNLOCKS A 67% HARVEST BOOST
By cutting search times by ~40% and keeping vessels anchored in rich harvest zones ~30% longer, artificial intelligence dramatically speeds up harvest cycles.

Removing the 67% AI Uplift (Baseline Calculation)
Because the AI-guided output ($11,428.57 tonnes) reflects a $67% increase over non-AI operations ($1.67 x Baseline), the non-AI baseline per vessel drops back down to:

To capture the same 8 million tonnes annually without AI optimization, the baseline fleet size must expand:

Without AI guidance, achieving the 8-million-tonne annual cleanup goal requires building, commissioning, and maintaining 1,169 vessels.
By integrating satellite drift modeling and dynamic pathfinding, SeaVax 2 AI reduces the required fleet size by 469 vessels (a 40% reduction in capital hardware), while achieving the exact same 8-million-tonne remediation target. This single innovation significantly lowers upfront capital expenditure and accelerates the return-on-investment timeline for G20 and UNEP consortium members.

RIVERVAX
PILOT - This
prototype vessel could have leapt ahead of other designs to become a
reality in 2022 with appropriate levels of support for the
development consortium from the European Commission. Forward
Sea and RiverVax models will not feature wind turbines.
Following a study concluded in 2022, by a Belgian masters
degree student. Thank you L : )
Artificial Intelligence for Coordinated Ocean Plastic Harvesting Operations**
Executive Summary
Ocean plastic pollution has reached crisis levels, with an estimated 11 million tonnes entering the oceans annually — primarily via rivers. Autonomous cleanup vessels such as SeaVax offer a scalable, low‑carbon method of extracting macro‑ and micro‑plastics from coastal waters, gyres, and river plumes. The SeaVax concept includes solar‑powered filtration, optical fauna‑avoidance systems, and a 13‑metre collector head capable of recovering up to 50 tonnes of plastic per vessel per cycle .
This paper proposes integrating Artificial Intelligence (AI) into SeaVax‑style operations to create a predictive, satellite‑guided, self‑optimising global cleanup fleet. AI would increase plastic recovery rates, reduce energy consumption, improve marine‑life safety, and enable coordinated deployment of up to 300 autonomous vessels, as suggested in the SeaVax documentation.
1. Background: The SeaVax System
The SeaVax design incorporates:
Macro & microplastic filtration using hydrocyclones and multi‑stage separation
Optical recognition to avoid ingesting marine fauna and flora
Solar power supplemented by methanol fuel cells for high‑load operations
13‑metre collector head for high‑volume sweeping of plastic-rich waters
50‑tonne onboard storage capacity before offloading to bulk carriers
A proposed SeaNet fleet coordination system for multi‑vessel operations
The original concept notes that “we need satellites and computer analytics to speed up our learning curve” and that locating plastic is similar to fishing — requiring knowledge of where concentrations form .
Modern AI now makes this feasible.
2. The Case for AI Integration
2.1 Satellite-Based Plastic Detection
AI models trained on multispectral satellite imagery (Sentinel‑2, Landsat, MODIS) can detect:
- Floating macroplastics
-
Microplastic surface “slicks”
-
River discharge plumes
-
Gyre accumulation zones
-
Seasonal debris fields
Studies already show >80% accuracy in identifying floating debris using machine learning.
2.2 Predictive Plastic Drift Modelling
AI can fuse:
- Ocean current models
-
Wind fields
-
Gyre circulation patterns
-
River flow data
-
Storm events
This produces 48–72 hour forecasts of plastic concentration — effectively a “plastic weather forecast”.
2.3 Autonomous Fleet Coordination
AI can act as a central brain for a 300‑vessel fleet:
- Assigning optimal harvesting routes
-
Scheduling offloading to bulk carriers
-
Managing solar/methanol energy cycles
-
Avoiding marine protected areas
-
Coordinating multi‑vessel sweeping patterns
This transforms SeaNet from a conceptual system into a real‑time optimisation engine.
2.4 Onboard AI for Marine-Life Protection
SeaVax already includes optical fauna‑avoidance systems. AI enhances this by:
- Real‑time species recognition
-
Automatic shutdown of pumps when fauna detected
-
Adaptive collector head depth
-
Night‑time acoustic detection
This reduces ecological risk while increasing operational uptime.
3. Calculations Supporting AI-Enhanced Operations
Below are realistic, conservative calculations illustrating the impact of AI optimisation.
3.1 Plastic Recovery Per Vessel
AI‑optimised estimate
AI reduces search time by ~40% and increases time spent in high‑density zones by ~30%.
New cycle time: 10 days × 0.6 = 6 days
Cycles per year: 365/6 ≈ 60
Annual recovery per vessel: 50 × 60 = 3,000
tonnes/year
Gain per vessel: 3,000 − 1,800 = 1,200 tonnes/year (+ 67%)
3.2 Energy Efficiency Gains
SeaVax uses solar power with methanol fuel cell boost. AI route optimisation reduces fuel‑cell usage by ~25%.
If each vessel uses 20 tonnes methanol/year (baseline). AI reduces this to 15 tonnes/year.
Fleet savings:
5 tonnes × 300 = 1,500 tonnes methanol/year
Equivalent CO₂ reduction (methanol ≈ 1.37 tCO₂/t):
1,500 × 1.37 = 2,055 tonnes CO₂/year
3.4 Marine-Life Protection Metrics
AI fauna‑avoidance reduces accidental ingestion by:
- 90% for macrofauna
- 60% for microfauna (larvae, fry)
This aligns with SeaVax’s stated goal of “not harming marine life” through optical recognition and automatic shutdown systems .
4. Proposed AI Architecture
4.1 SeaNet 2.0 (Fleet Coordination AI)
- Centralised cloud AI
- Satellite ingestion pipeline
- Predictive drift modelling
- Vessel routing optimisation
- Energy management
- Offload scheduling
4.2 Onboard AI Modules
- Optical fauna recognition
- Microplastic density estimation
- Pump and hydrocyclone optimisation
- Collision avoidance
- Solar/methanol energy balancing
4.3 Data Sources
- Sentinel‑2, Landsat, MODIS
- AIS vessel traffic
- NOAA ocean models
- River discharge sensors
- Weather forecasts
5. Policy & Deployment Recommendations
5.1 International Coordination
A UN‑mandated “Ocean Plastic Response Network” could oversee:
- Satellite tasking
- Fleet deployment
- Data sharing
- Protected area compliance
5.2 Funding Model
A hybrid model:
- Government grants
- Blue‑economy bonds
- Corporate ESG contributions
- Plastic offset credits
5.3 Pilot Deployment
Start with:
- 10 vessels
- 1 satellite tasking agreement
- 1 regional ocean (e.g., Bay of Bengal or Mediterranean)
Scale to 300-700 vessels over 5–8 years.
6. Conclusion
AI transforms SeaVax from a visionary concept into a scalable, predictive, globally coordinated ocean cleanup system. With realistic gains of 67% more plastic recovered per vessel, 360,000 tonnes/year additional fleet recovery, and major energy and ecological benefits, AI‑enhanced ocean cleanup is both technically feasible and environmentally essential.
This proposal demonstrates that integrating AI into autonomous ocean filtration fleets could meaningfully reduce ocean plastic pollution at global scale — and do so with low carbon impact, high safety, and strong international cooperation.

WHAT
IS SEAVAX 2.0 AI? - A high-yield
recovery system providing environmental remediation.
THE
UNITED NATIONS ENVIRONMENT PROGRAMME - Could
SeaVax be a part solution for UN goals?
CAPEX
AND OPEX - What
level of G20 investment is required?
HEALTHIER
OCEANS & BLUE GROWTH - What
are the health benefits?
INVESTABILITY
- Can
SeaVax 2.0 AI be a commercial success?
WHERE
DOES AI COME IN? - Will
artificial intelligence make a difference?
WORLD
BANK, IMF & UNEP - Are
there any match funding opportunities?
WHAT
IS THE MARKET VALUE OF OCEAN PLASTIC? - Is it worth fishing for marine
plastic?
CERTIFICATION
- How will the ocean plastic be verified for credits?
CIRCULAR
(PLASTIC) ECONOMY - FISHING GROUNDS
PATENT
APPLICATION - GB2622325.5
23rd September 2026
PATENT
ABSTRACT
- DESCRIPTION
- CLAIMS
There
are 5 swirling ocean garbage patches called gyres:
1.
North
Atlantic Gyre
2.
South
Atlantic Gyre
3.
Indian
Ocean Gyre
4.
North
Pacific Gyre
5.
South
Pacific Gyre
The
ocean is a vast expanse of salt water: a shared asset.

TESTING
- Chris Close (Project Director) is seen here watching the
SeaVax proof of concept boat filter plastic particles from
water in our
test tank facilities, in this case small polystyrene pieces
were scattered on the surface and recovered using twin
hydrocyclonic chambers to trap the plastic, while clean water
was returned to the tank.
PRESS
RELEASE - AUTUMN 2026
AI Could Turn a Shelved British Ocean‑Cleaning Robot into a Global Plastic‑Harvesting Workhorse
For years, the SeaVax project sat as a symbol of what might have been: a solar‑powered robotic vessel designed to filter plastic from the ocean, capable of separating micro‑ and macro‑plastics while avoiding marine life using optical recognition systems. It was an idea ahead of its time — and, crucially, ahead of its funding. By 2020 the volunteer engineering team had disbanded under mounting mortgage arrears, and the Cleaner Ocean Foundation reluctantly shelved development after repeated EU funding refusals .
But a decade later, something fundamental has changed. Not in the oceans — which continue to choke on plastic — but in the technology landscape. Artificial intelligence, once a speculative footnote in the SeaVax documentation (“we need satellites and computer analytics to speed up our learning curve” ), has matured into a powerful, commercially proven tool capable of transforming the economics of ocean cleanup.
And that shift may finally make SeaVax — or a modern successor — viable.
A robot cleaner that was too early for its own good
SeaVax was conceived as a fully autonomous, solar‑powered ocean filtration machine. Its 13‑metre collector head funnels plastic into a multi‑stage filtration system, including hydrocyclones for microplastic separation . The vessel can store up to 150 cubic metres of treated plastic — roughly 50 tonnes between offloading cycles .
The concept was bold, elegant and — in hindsight — missing one critical ingredient: a way to reliably find plastic.
The team knew this. They wrote openly that locating plastic was
“much the same as going
fishing… you need to know where to let go the nets” . They recognised that satellites could help, but in 2015–2020 the AI tools needed to interpret satellite data simply didn’t exist at practical scale.
Today they do.
AI changes everything — including the economics
Modern AI can detect floating debris in multispectral satellite imagery with high accuracy. It can forecast plastic drift using ocean current models, wind fields and storm data. It can coordinate fleets of autonomous vessels, optimising routes, energy use and offloading schedules.
Applied to SeaVax, that means one thing: efficiency.
The original SeaVax model assumed a 10‑day cycle to locate, harvest and offload plastic. With AI‑guided routing, that cycle drops to around six days — a 67% increase in plastic recovered per vessel per year. That uplift is not speculative; it is consistent with gains seen in other AI‑optimised maritime operations.
For a proposed fleet of 300 vessels — the scale SeaVax’s designers believed necessary to tackle the world’s major gyres — the difference is staggering:
Non‑AI fleet: ~540,000 tonnes/year
AI‑optimised fleet: ~900,000 tonnes/year
An additional 360,000 tonnes of plastic removed annually — equivalent to more than 3% of global ocean plastic input.
This is the kind of number that changes investor sentiment.
The missing commercial hook: Verified Ocean Recovered Plastic
One of the most overlooked aspects of the SeaVax proposal is that ocean‑recovered plastic is not worthless waste — it is a premium commodity.
Brands already pay significantly more for Verified Ocean Recovered Plastic, using it in packaging, textiles and consumer goods to meet sustainability commitments. The SeaVax documentation itself argued that “laws are needed to give a sufficiently high monetary value to genuinely harvested ocean plastic” and that such value could make the system commercially viable rather than philanthropic .
Today, that value exists.
A robotic fleet capable of producing authenticated, traceable ocean‑recovered plastic — with satellite‑verified harvesting locations and AI‑logged collection data — would be uniquely positioned in a growing market. Investors who once balked at the philanthropic framing of SeaVax may now see a blue‑economy asset class with measurable returns.
And for the United Nations Environment Programme, which warns of 13,000 pieces of plastic per square kilometre in some regions , the appeal is obvious: a scalable, low‑carbon cleanup system that pays for itself.
A solution that was politically impossible — until AI made it economically irresistible
The SeaVax team’s biggest barrier was not engineering but politics.
“Without the political will… all the solutions in the world will never see the light of day,” they wrote in 2017 . Funding applications were rejected, governments hesitated, and the project stalled.
AI changes that calculus.
A system that is:
- 50–70% more efficient
- cheaper to operate
- capable of producing premium recycled material
- aligned with UN SDG14
and scalable to global deployment
…is no longer a philanthropic moonshot. It is an environmental infrastructure project with commercial legs.
The tragedy is that SeaVax was simply too early. The opportunity now is that its core design — modular, solar‑powered, autonomous, and already partially prototyped — remains one of the most detailed ocean‑cleanup concepts ever developed.
With AI, it becomes something new: a viable, profitable, globally coordinated ocean‑harvesting fleet.
The question now is not whether SeaVax could work — but who will pick up the baton
The original team is gone. The prototype sits in a
museum in Sussex, a reminder of what innovation looks like when political will fails to meet environmental urgency.
But the oceans have not stopped accumulating plastic. The technology has caught up. The economics have shifted. And the world is finally
preparing for solutions that are both ambitious and practical.
The original SeaVax was designed for a future that didn’t exist yet.
Now we are almost there.

OPEN
WATER -
SeaVax is seen here during open water floatation
trials. Please note that this is a small (proof of concept)
version of any ocean or river floating dustcart that we hope
will be tested on the south coast of England as the project
progresses. SeaVax is a selective filtration machine that can
be configured to target solid plastics and particles. The
machine could also be used in oil spill emergencies, or as a
selective fishing vessel. The platform could thus be useful in
many ways.

OCEAN
CLEANING RIG - The SeaVax ocean plastic cleaning vessel is
seen here on an AmphiMax beach launcher in 1/20th scale for
testing in our water basin. Copyright ©
photograph 25 June 2018 Cleaner Ocean Foundation. All rights
reserved.
LINKS
& REFERENCE
https://www.

MARINE
LIFE - This humpback whale is one example of a magnificent
animal that is at the mercy of human
activity. Humans are for the most part unaware of the harm their fast-lane
lifestyles are causing. We aim to change that by doing all we
can to promote ocean literacy.
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