Ballast water · Oil spills · Contaminated discharge
In 2020 a NOAA-affiliated laboratory ran a nanobubble ozone system through ship ballast water. It killed what it was meant to, with no statistically significant effect on receiving-water organisms. ChemSlayer carries that duty to the ship.
The argument
ChemSlayer works on water that has been through something. A tank crossing an ocean. A slick and the dispersant sent after it. A discharge that met its consent limit and still arrived warm, flat and airless.
Treating that water is the half of the job that gets specified, procured and audited: sterilize the organisms, oxidize the organic contamination, meet the standard, sign the log.
The other half is oxygen. Oxidation consumes it. So do decomposition, a spill and warm water sitting still. The receiving water often ends lower on dissolved oxygen than it started, and the compliance framework does not ask.
ChemSlayer does both, from the same hull, on the same pass. Water is drawn in, oxidized inside a contained reactor as it moves through, and returned to the basin it came from, held to an outlet specification settled with your regulator before anything sails and read by somebody outside the company. Nothing is impounded or shipped elsewhere. Sterilize, then ventilate.
The scope boundary
Oxidant residuals
Ozonating seawater can make bromate, and once bromate exists no downstream stage takes it back out. The oxidation duty runs inside an instrumented reactor, with the assay taken before the water reaches your quay.
Bromide takes ozone roughly eighty-three times more readily than chloride does. Bromate is stable. It cannot be quenched out again.
How much turns up is a property of your basin. Significant bromate wants bromide over a threshold that salt and brackish harbor water does not always carry, and dissolved carbon competes for the same oxidant. Both are measured in your water, at working depth, to set the baseline the discharge specification is written against, agreed in writing with the consenting authority before deployment.
The limit belongs to your regulator, fixed when the duty is consented and entered into the service level agreement. Where no regulator has set a figure for your basin, the discharge is held to the known safety limits for marine life. No fixed figure is published anywhere: a drinking-water rule was drafted for a tap, and a desalination plant already carries bromate equipment at its own intake.
Bromate runs on its own near-real-time analytical channel with independent laboratory confirmation on an agreed cadence, because the inline surrogate set that governs the pass and cuts the oxidant is blind to a stable end-product. The port and its qualified authorized agents can put an active deployment on hold on any suspected infraction until it is cleared. Nothing queues aboard. A hull of this class is specified near 5,000 gallons a minute, so contained means an enclosed, instrumented reaction moving through your basin.
The licensee signs up to the state of the water at that outlet and the safety envelope around it. Oxidant, separation stage and sequence stay with the operator, tuned to the season and the stressor. Capability beyond the reactor rides along, selected against the event. All of it answers to the same final state, at the same outlet, in front of the same verifier. Bromate, the assay and the reporting line
Oversight as a design condition
It goes into a program's design before a hull is committed and stays for the life of the contract.
Around a port that usually means the regional marine laboratory, the environment authority's analysts, or a university department that has sampled the basin for twenty years and will still answer for it after a contract ends.
A license obliges their involvement, and the invitation is not the operator's to withdraw once a reading turns awkward. Health and safety outrank the schedule only when somebody outside the operating company can watch that ordering being tested.
What the system is for
Response to ballast releases, violations and quarantine tank water, alongside a ship's own treatment system and the port state's requirements. Judged by whether the water is better afterward, and the duty with the nearest published validation behind it.
Working behind the booms and the skimmers. Recovery takes the bulk and keeps priority. What stays dissolved and dispersed is drawn through the reactor, broken down on the way, and returned to the same water with the oxygen the event burned through.
Outfalls, basin water and process discharge. A consent is written at the pipe; the oxygen reading that decides whether the basin is alive is taken in the receiving water. Toxins have their toxic functional groups disabled on the pass, nothing is settled onto the bed for a dredger to inherit, and the lost oxygen goes back in at the same outlet.
How this is bought
There is no subscribing to a spill. A port subscribes to a program that runs continuously against everything its basin is doing, and the response is what that program already has in the water on the morning it is needed.
A fast, competent response requires a hull in the region. Gas supply contracted and delivered. Crews accredited for that port. A discharge standard already settled in writing with the consenting authority for that receiving water. An activation route rehearsed with the people who will use it. None of that can be assembled in the six hours after a call.
All of it exists on the bad day because it was working on the ordinary ones: ballast duty, outfall water, the oxygen deficit that returns to the same basin every August.
Why standby is the expensive way
A capability held purely on standby earns nothing for most of the year and has to charge for that. A pure response contract prices in the waiting, the short notice and a problem that has had time to get large.
Run the same hulls continuously against loads a port carries every week and the waiting comes out of the price.
Two ways out
Performance outside the specification written into the agreement ends the subscription, at any point.
So does a client who has served the minimum subscription period and wants out, for any reason or for none. Nothing to prove, nothing to litigate.
Who signs is a separate question from who owns the system. ChemSlayer is Sophia Delta intellectual property, worked under license by an operating company that holds the permit, the insurance and the invoice. Alarivean, Inc. is that company today.
The evidence
NOAA's National Centers for Coastal Ocean Science reported in July 2020 that NCCOS-affiliated testing, run under a cooperative research and development agreement, evaluated a commercial nanobubble ozone system on ship ballast water and found it highly effective at controlling algae, bacteria and motile zooplankton.
It also found no statistically significant adverse residual-toxicity effect on organisms in the receiving water.
That release names other technology and other partners. It does not name ChemSlayer, SeaBreather or the licensee, and the cooperative agreement behind that testing belongs to other parties. It establishes that the approach can work without a residual-toxicity penalty. It does not establish this system.
Alarivean completed the term of a research agreement of its own with NOAA, entered via AMURI, unrelated to that ballast work and covering what this treatment does to toxins. It established that the treatment disables the functional groups that make a toxin toxic instead of precipitating it out of the water. That term has ended and nothing runs in its place. Dr Peter Moeller stays involved as an advisor, and the research has since moved to Arizona State University, the Middle East Desalination Research Center and more. Agreements of that kind are never published, so there is no document to hand you. NOAA does not endorse this service and has never been asked to. How the toxin duty is scoped.
Who this is bought by
Ports that read the same convention differently, and detentions that cost more than the treatment.
What arrives in the basin, what leaves it, and who answers for the water quality between the two.
Arrives once the booms are set and treats the fraction a skimmer cannot lift.
Receiving water that meets consent on paper and reads badly on dissolved oxygen in August.
The ventilator
NOAA defines coastal hypoxia as dissolved oxygen below 2 mg/L — the level too low to support most aquatic life. A review of sensitive estuarine species puts lethal-level oxygen higher still, at 4 to 6.4 mg/L.
The regulatory line is the lower one. Water can clear it comfortably and still sit below what the species in that basin need, for weeks at a stretch, every summer.
Putting oxygen back is not a compliance obligation anywhere these programs run. It separates water that is legally acceptable from water that is alive.
Novel entities
Earth-system science tracks nine control variables. Eight measure processes the planet was running long before anyone measured them. The ninth covers substances that exist because somebody made them, and a working port basin is one of the places those collect.
That line is called novel entities. The framework came from the Stockholm Resilience Centre, and the 2025 Planetary Health Check that scores it — published by the Potsdam Institute for Climate Impact Research alongside them — records novel entities as transgressed; seven of the nine are, in that edition. Ocean acidification crossed for the first time. Atmospheric aerosol loading and stratospheric ozone depletion have not. Method, authorship and the assessment are on the framework page.
Sophia Delta drew the ladder. The placements were assessed and published by the Stockholm Resilience Centre and the Potsdam Institute for Climate Impact Research, neither connected to this group. The highlighted row is its own filing of the contamination this hull is sent after, under their heading.
A control variable is planetary. A ChemSlayer program is one port, one consent, one discharge specification and an authority reading the instruments alongside the crew. It changes the condition of that basin. The row on the ladder stays where the assessment put it; no supplier moves it.
If your authority reports against this framework, a hydrocarbon release, a contaminated outfall and a ballast discharge all file to the same row.
Hydrocarbon leachate is the part of that category this hull is pointed at: the organic chemistry petroleum-derived material leaches into water. Fuel and oil residue, tar, weathered bunker traces, and the plasticizers, bisphenols and phenolic stabilizers coming off polymer degrading in place. An oxidation stage reaches that organic fraction, and one pass is not a claim of complete mineralization.
Two limits are permanent. Metal-based stabilizers and pigments leave the reactor as the same elements that entered it; the reactor neither removes nor destroys a metal, though the organic chemistry attached to one is a target. And the polymer comes through unchanged. Solid material has to be lifted out of the water as a separate job with its own line in a scope.
Elsewhere in the system family
Immediate, Significant, Scaled
Which port, which traffic, which consent, and what your dissolved oxygen reads at depth in August beside the permit limit. Alarivean answers with an assessment of that basin and where this system would make no difference.
