OXbyEL Technologies
Developing destructive PFAS water treatment technology for zero liquid discharge.
Website: https://oxbyel.com
Cover Block
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| Field | Value |
|---|---|
| Name | OXbyEL Technologies |
| Tagline | Developing destructive PFAS water treatment technology for zero liquid discharge |
| Headquarters | 1529 W Seldon Ln, Phoenix, Arizona, 85021, United States |
| Founded | 2018 |
| Stage | Seed |
| Business Model | B2B |
| Industry | Cleantech / Climatetech |
| Geography | North America |
| Growth Profile | Venture Scale |
| Founding Team | Co-Founders (2) |
| Funding Label | Undisclosed |
| Total Disclosed | ~$250,000 |
Links
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- Website: https://oxbyel.com/
- LinkedIn: https://www.linkedin.com/company/oxbyel-technologies
Executive Summary
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OXbyEL Technologies is an Arizona-based cleantech company commercializing an electrochemical reactor that claims to mineralize PFAS (the per- and polyfluoroalkyl "forever chemicals") in water and wastewater without generating secondary waste [LinkedIn]. The company was founded in 2018 by Edward Ricci and Dr. Colleen Legzdins after the two met while consulting on wastewater treatment performance at an oil and gas refinery [OXbyEL, About Page].
Its core product, the TOF Electrolyzer, is positioned as a single-step, continuous flow-through method to destroy PFAS in minutes without dosing chemicals or producing spent media [OXbyEL, Technology Page] [US EPA]. The team pairs Ricci, described as a 35-year veteran of the environmental services business with depth in groundwater contamination, Superfund/RCRA, and regulatory permitting [F6S] [Water Innovation Nation, 2024], with Legzdins, a University of British Columbia-trained technologist serving as VP Technology [Crunchbase].
Disclosed external capital is modest, anchored by a $250,000 grant tied to the National Science Foundation in December 2022 and a subsequent NSF SBIR Phase II award (#174733) to harden the prototype reactor and validate performance at a 70 ppt combined PFAS concentration [CB Insights, Dec 2022] [SBIR.gov]. Over the next 12 to 18 months, the items worth tracking are the SBIR Phase II validation outcome, any first paid pilot with a municipal or industrial water customer, and whether the company raises a priced equity round to scale beyond the lab and small-pilot footprint implied by a five-person headcount as of late 2022 [CONNECTpreneur, Sep 2022].
Data Accuracy: GREEN -- Confirmed by Crunchbase, CB Insights, NSF SBIR records, and the company's own technology pages.
Taxonomy Snapshot
| Axis | Value |
|---|---|
| Stage | Seed |
| Business Model | B2B |
| Industry / Vertical | Cleantech / Climatetech (PFAS water treatment) |
| Geography | North America |
| Growth Profile | Venture Scale |
| Founding Team | Co-Founders (2) |
| Funding | Grant-backed, ~$250,000 disclosed |
Company Overview
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OXbyEL was incorporated in 2018 in Phoenix, Arizona, and operates from an address on West Seldon Lane in the city's north end [PitchBook]. The origin story, as told on the company's About page, is that Edward Ricci and Dr. Colleen Legzdins met while both were consulting on wastewater treatment performance at an oil and gas refinery. The company was formed around their shared interest in eliminating pollutants in water and wastewater rather than transferring them between media [OXbyEL, About Page].
The company has progressed in measured steps rather than headline-grabbing rounds. Public traces of activity include participation in the Center for Entrepreneurial Innovation's incubator programming in Phoenix [CEI]. A September 2022 appearance in the CONNECTpreneur Virtual Rocket Pitch session disclosed a five-person team and a pending patent (USPTO application 16/458,608) [CONNECTpreneur, Sep 2022].
A $250,000 grant logged in December 2022 with the National Science Foundation as the named source [CB Insights, Dec 2022]. Selection as an NSF SBIR Phase II awardee under award #174733 to validate the reactor at relevant PFAS concentrations [NSF SBIR] [SBIR.gov]. The US EPA's SBIR program has independently described OXbyEL's approach as a low-cost, continuous flow-through electrochemical mineralization method [US EPA].
No subsequent priced equity round, acquisition, or major commercial partnership has been disclosed in the public databases reviewed (Crunchbase, PitchBook, CB Insights, Tracxn). Tracxn lists a single institutional investor (the National Science Foundation) and CB Insights records the December 2022 grant as the latest funding event [Tracxn] [CB Insights, Dec 2022].
Data Accuracy: GREEN -- Confirmed by Crunchbase, PitchBook, CB Insights, and the company's own About page.
Product and Technology
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The product is a water treatment system built around a proprietary electrochemical reactor the company calls the TOF Electrolyzer. Per the company's own Technology page, the reactor is designed for single-step PFAS mineralization with no secondary waste and without ongoing chemical dosing [OXbyEL, Technology Page] [PUBLIC].
The Solution page describes an integrated configuration in which membrane separation is paired with the electrolyzer to concentrate the PFAS-bearing stream and then destroy the contaminants. It targets a zero liquid discharge outcome [OXbyEL, Solution Page] [ZoomInfo] [PUBLIC].
The Advantages page frames the value proposition as chemical-free treatment that mineralizes total organic fluorine, including long- and short-chain PFAS as well as unidentified precursors, into safe end-products [OXbyEL, Advantages Page] [PUBLIC].
The most useful third-party validation of the technology claim comes from the US EPA's SBIR program. It independently describes the OXbyEL approach as a "low-cost, continuous flow-through method to electrochemically mineralize PFAS in minutes with no secondary waste" [US EPA] [PUBLIC].
The active NSF SBIR Phase II workstream is scoped to modify the prototype reactor, validate performance at a combined PFAS concentration of 70 parts per trillion (a level relevant to the EPA's recent drinking water standards), and develop capital and operating cost figures for a full-scale system [SBIR.gov] [PUBLIC]. A patent application (16/458,608) has been disclosed as pending [CONNECTpreneur, Sep 2022] [PUBLIC]. The public record reviewed here does not confirm whether that application has since issued.
What is not yet in the public record is equally important to flag. There are no published peer-reviewed performance data, no named third-party pilot results at municipal or industrial scale, and no disclosed unit economics for a commercial deployment.
The technology claims above are sourced primarily to the company's own pages, with the EPA SBIR description providing the strongest independent corroboration. Investors evaluating the technology should treat the destruction efficacy and cost claims as credible at lab and small-pilot scale. Reserve judgment on field performance until SBIR Phase II results or third-party pilot data are released.
Data Accuracy: YELLOW -- Company-page claims partially corroborated by US EPA SBIR program description and an active NSF SBIR Phase II award; field performance data not yet public.
Market Research and Opportunity
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The PFAS treatment market has shifted from an emerging concern to a federally regulated obligation in the span of roughly 24 months. That shift is the single most important fact about OXbyEL's commercial window.
In April 2024, the US Environmental Protection Agency finalized the first National Primary Drinking Water Regulation for six PFAS compounds. It set enforceable Maximum Contaminant Levels of 4.0 parts per trillion for PFOA and PFOS and established a Hazard Index for mixtures of four additional PFAS [US EPA].
Public water systems must complete initial monitoring by 2027 and achieve compliance by 2029. Separately, the EPA designated PFOA and PFOS as hazardous substances under CERCLA (the Superfund statute), creating cleanup liability at contaminated sites. These two regulatory actions together transform PFAS treatment from a discretionary environmental investment into a compliance-driven capital expenditure for thousands of water utilities and a remediation obligation for industrial site owners.
OXbyEL's NSF SBIR Phase II scope explicitly targets the 70 ppt combined PFAS concentration band relevant to this regulatory environment [SBIR.gov].
Independently published market sizing for PFAS treatment varies widely depending on whether analysts include municipal drinking water, industrial wastewater, landfill leachate, AFFF firefighting foam remediation, and Department of Defense site cleanup. The structured facts captured for this report do not include a cited TAM/SAM figure from a named third-party research house. Rather than introduce numbers that were not surfaced in the verified record, the relevant qualitative point is that the addressable spend is set by regulation rather than by discretionary demand.
Demand drivers worth naming include: the 2029 compliance deadline for community water systems, state-level PFAS limits in California, Michigan, New Jersey, and New York that in several cases are stricter than the federal floor, the Department of Defense's ongoing remediation of PFAS plumes at and around military installations, and growing tort exposure for industrial dischargers following the multi-billion-dollar 3M and DuPont settlements.
The competitive substitution question is what differentiates a destruction technology from a separation technology. The two incumbent approaches, granular activated carbon and ion exchange resin, concentrate PFAS onto a sorbent that must then be disposed of (historically by incineration or deep-well injection, both of which face their own regulatory pressure). Reverse osmosis similarly produces a concentrated reject stream.
Electrochemical destruction, supercritical water oxidation, and plasma-based approaches are the three best-known destructive families being commercialized. OXbyEL is positioning in the electrochemical destruction segment, which competes on energy cost per gram of fluoride mineralized and on the ability to handle real-world matrices containing co-pollutants [OXbyEL, Advantages Page].
Data Accuracy: YELLOW -- Regulatory facts are confirmed by the US EPA; no named third-party TAM figure was surfaced in the structured facts for this report.
Competitive Landscape
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OXbyEL sits in the destructive PFAS treatment segment, a small but rapidly populating field. The relevant question is not whether destruction beats separation in principle but which destruction chemistry hits commercial unit economics first.
The structured facts for this report do not name specific competitors, so a like-for-like comparison table would not meet the evidence bar set for this publication. The competitive picture below is therefore prose-only and named only where the categories are well established in the public record [PUBLIC].
The segment-by-segment map breaks into three groups. The first is the separation incumbents: granular activated carbon (GAC) systems and ion exchange resin systems sold by Calgon Carbon, Evoqua (now Xylem), and Purolite, among others.
These are the default choice for utilities buying for the 2029 compliance deadline because they are bankable, well-understood, and have engineering, procurement, and construction partners ready to deploy. They are also the technologies OXbyEL is implicitly arguing against. Every GAC or resin installation creates a downstream spent-media disposal problem that destruction technologies aim to eliminate.
The second group is the destruction challengers: electrochemical oxidation (where OXbyEL competes), supercritical water oxidation (commercialized by names including 374Water and Aquarden), and plasma-based destruction (Onvector, Aclarity, and others). The third group is the adjacent substitutes such as foam fractionation pre-concentration (EPOC Enviro and others). It can be paired with any destructive back-end and therefore acts as a partner-or-competitor depending on go-to-market posture.
Where OXbyEL has a defensible edge today, based on the public record, is in the integration claim: pairing membrane concentration with on-site electrochemical destruction to target zero liquid discharge for industrial customers [OXbyEL, Solution Page] [ZoomInfo] [PUBLIC]. The Ricci and Legzdins backgrounds in industrial wastewater and refinery consulting are a credible fit for that customer set [OXbyEL, About Page] [Water Innovation Nation, 2024].
Independent EPA SBIR program recognition adds a layer of third-party credibility that pre-revenue cleantech companies rarely have at this stage [US EPA] [PUBLIC]. The durability of these advantages depends on patent issuance (the 16/458,608 application is disclosed as pending [CONNECTpreneur, Sep 2022]), on Phase II performance validation, and on whether the team can build or partner for the engineering scale-up capability the larger water majors already have in-house [PRIVATE].
Where OXbyEL is most exposed is on capital and channel. Calgon Carbon and Xylem have decades of utility relationships, framework agreements with state revolving fund borrowers, and balance sheets that can offer take-or-pay treatment-as-a-service contracts.
Several destruction-segment peers (notably 374Water with its publicly listed structure and Aclarity with disclosed venture rounds) have raised meaningfully more equity than OXbyEL's disclosed grant funding. This gives them more runway to fund first-of-a-kind commercial installations.
The most plausible 18-month scenario splits two ways: a winner case is OXbyEL announcing a paid industrial pilot (refinery, semiconductor fab, or landfill leachate operator) tied to a priced seed or Series A round, validating the integrated membrane-plus-destruction story for a specific vertical. A loser case is one in which the SBIR Phase II results land on schedule but no commercial partner emerges within 12 months. This leaves the company dependent on further non-dilutive grants while better-capitalized destruction peers sign the first reference accounts [PRIVATE].
Data Accuracy: ORANGE -- No competitors are named in the structured facts; the competitive map above is built from publicly known segment participants and should be treated as analyst framing rather than confirmed positioning.
Opportunity
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If OXbyEL's destruction chemistry holds up at field scale and at the cost points implied by its own materials, the prize is becoming a default destruction back-end for industrial PFAS compliance in North America.
The headline opportunity. PFAS treatment is one of the few cleantech categories where demand is set by enforceable federal regulation rather than by voluntary corporate sustainability budgets. The EPA's 2024 drinking water standard and CERCLA hazardous substance designation together create a multi-decade compliance and remediation cycle [US EPA].
The single largest outcome OXbyEL could plausibly become is the embedded destruction step inside integrated PFAS treatment trains sold to industrial dischargers (refineries, chemical plants, semiconductor fabs, landfill operators, airport AFFF sites) where zero liquid discharge is either already required or rapidly becoming so. The cited evidence that makes this reachable rather than aspirational is threefold: the EPA SBIR program's independent description of the technology as a continuous flow-through mineralization method [US EPA], the active NSF SBIR Phase II award scoped explicitly to validate full-scale capital and operating cost [SBIR.gov], and the founders' decades of direct industrial wastewater consulting experience that maps to the buyer set [OXbyEL, About Page] [Water Innovation Nation, 2024].
Growth scenarios.
| Scenario | What happens | Catalyst | Why it's plausible |
|---|---|---|---|
| Industrial ZLD specialist | OXbyEL wins paid pilots at one or two named industrial dischargers and standardizes a membrane-plus-electrolyzer skid for refinery and semiconductor wastewater | A first paid commercial pilot disclosed alongside SBIR Phase II validation results | Founders' refinery consulting roots and the company's stated integration approach map directly to this buyer [OXbyEL, About Page] [OXbyEL, Solution Page] |
| DoD and Superfund destruction subcontractor | OXbyEL becomes a destruction step inside larger remediation contracts won by environmental services primes at DoD installations and CERCLA sites | A teaming agreement with an established environmental services contractor following Phase II completion | NSF SBIR pathway is designed to feed federal procurement, and CERCLA designation creates the demand [US EPA] [SBIR.gov] |
| Municipal back-end via OEM partnership | OXbyEL licenses or co-sells the electrolyzer to an established water major (Xylem, Veolia, Suez/WCND) as the destruction back-end behind their separation systems | An OEM or distribution agreement with a tier-one water company | The destruction-versus-separation gap is well understood by the water majors, and OEM tuck-ins are how prior cleantech destruction technologies have reached utility scale |
What compounding looks like. The flywheel in industrial PFAS treatment is reference-account-driven. The first paid commercial installation generates real-world performance data on a real industrial matrix. This is the single piece of evidence every subsequent buyer asks for, and no amount of grant-funded laboratory work can substitute for it.
A successful first install also produces operating cost data that can be turned into bankable proposals and, eventually, treatment-as-a-service contracts that smooth revenue. Patent issuance on the 16/458,608 application would convert the current trade-secret posture into a defensible IP position that supports licensing economics in the OEM scenario [CONNECTpreneur, Sep 2022].
The early evidence that this flywheel is starting is thin but real: the EPA SBIR program's public endorsement and the NSF Phase II award are the kinds of third-party signals that open doors with industrial procurement teams [US EPA] [SBIR.gov].
The size of the win. A credible public comparable in the destruction-segment is 374Water, which went public via reverse merger and trades on a market capitalization that has fluctuated in the low-to-mid nine figures depending on commercial milestones. That is a useful (scenario, not a forecast) anchor for what a destruction-segment company can be worth at the point it has signed reference accounts and a credible scale-up plan.
If OXbyEL executes the industrial ZLD specialist scenario above and reaches commercial pilots with named industrial customers, a comparable equity value range is the relevant goalpost. If it executes the OEM partnership scenario, the more relevant comparable is the licensing economics of specialty water-treatment IP rather than a standalone equity story.
Either path requires substantially more capital than the disclosed $250,000 grant base. This is the next gating event for the company.
Data Accuracy: YELLOW -- Opportunity sizing rests on confirmed regulatory facts and publicly known peer comparables; specific commercial outcomes are scenarios, not forecasts.
Sources
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[PitchBook] OXbyEL Technologies 2026 Company Profile: Valuation, Funding & Investors | https://pitchbook.com/profiles/company/501558-85
[ZoomInfo] OxByEl Overview, News & Similar companies | https://www.zoominfo.com/c/oxbyel/542320023
[OXbyEL, About Page] About OXbyEL Technologies Inc. | https://oxbyel.com/about/
[OXbyEL, Solution Page] Solution OXbyEL Technologies Inc. | https://oxbyel.com/solution/
[OXbyEL, Technology Page] Technology OXbyEL Technologies Inc. | https://oxbyel.com/technology/
[OXbyEL, Advantages Page] Advantages OXbyEL Technologies Inc. | https://oxbyel.com/advantages/
[Crunchbase] OXbyEL Technologies Crunchbase Company Profile & Funding | https://www.crunchbase.com/organization/oxbyel-technologies
[Crunchbase] Colleen Legzdins VP Technology @ OXbyEL Technologies | https://www.crunchbase.com/person/colleen-legzdins
[CB Insights, Dec 2022] OXbyEL Stock Price, Funding, Valuation, Revenue & Financial Statements | https://www.cbinsights.com/company/oxbyel/financials
[Tracxn] OXbyEL Technologies 2025 Company Profile, Funding & Competitors | https://tracxn.com/d/companies/oxbyel-technologies/__42iKV7y_6zV7ITQr5IRLH7GPJsI00wVOufOvtminb1k
[LinkedIn] OXbyEL Technologies, Inc. LinkedIn | https://www.linkedin.com/company/oxbyel-technologies
[CEI] Attacking PFAS Contamination Center for Entrepreneurial Innovation | https://www.ceigateway.com/attacking-pfas-contamination/
[US EPA] Test and Treat PFAS: EPA SBIR Technologies | https://www.epa.gov/sbir/test-and-treat-pfas-epa-sbir-technologies
[CONNECTpreneur, Sep 2022] September 29, 2022 CONNECTpreneur.org Virtual Rocket Pitch + Power Networking | https://connectpreneur.org/wp-content/uploads/2024/07/bicp_2022_sep.pdf
[SBIR.gov] NSF SBIR Phase II Award #174733 OXbyEL Technologies | https://www.sbir.gov/
[F6S] Edward D. Ricci Profile | https://www.f6s.com/
[Water Innovation Nation, 2024] Edward Ricci OXbyEL Profile | https://waterinnovationnation.com/
Articles about OXbyEL Technologies
- OXbyEL Is Trying to Mineralize PFAS in a Phoenix Pilot Reactor — The Arizona startup says its electrolyzer can destroy forever chemicals down to 70 parts per trillion with no secondary waste.