Cayman Islands
Feedstock System Assessment

• ~406 TPD of active manufacturing feedstock flows today with no contracted long-term destination. The primary stream — ~356 TPD of commercial and residential material — goes directly to an unlined, unengineered landfill that has been accumulating since the mid-1960s.
• The George Town Landfill reaches capacity in approximately five years (~2031) at current intake of ~13,000 cubic yards per month. No replacement facility is contracted. The ReGen (Dart consortium) waste-to-energy project that would have addressed this was terminated in July 2024 after seven years of negotiation.
• Three distinct manufacturing feedstock categories are present: (1) island-generated municipal and commercial material streams via the Department of Environmental Health (DEH); (2) marine feedstock from ~1.75 million annual cruise passengers via the Port Authority of the Cayman Islands (PACI); and (3) resort and hospitality point-source material accessible via distributed Regenesis™ Node deployment.
• The George Town Landfill is an Exogenesis™ Protocol candidate. The 58-acre site, in continuous use since the mid-1960s, contains an accumulated historical material mound of approximately 40 acres towering ~90 feet. This legacy material represents a recoverable resource base and a documented environmental liability — leachate risk to marine ecosystems, landfill gas emission, and persistent visual and reputational impact.
• Every material stream this territory generates is processable by Advanced Circular Manufacturing (ACM). The constraint is access — contractual, logistical, or regulatory — never capability.

ACM via Microwave Catalytic Reforming (MCR) processes all of the following material categories present in the Cayman Islands: post-use MSW (mixed commercial and residential), vegetative and green waste, construction and demolition debris, wastewater biosolids, marine-origin material (cruise ship and port-collected feedstock), hospitality and food service material, derelict vehicle residuals, and legacy landfill material (Exogenesis™ Protocol). No stream classification in this study reflects a capability limit. ACM operates at 1,200°C+ elemental dissociation temperatures; PFAS compounds are eliminated through complete elemental dissociation.

Grand Cayman is a compact island (~76 sq mi) with a concentrated industrial zone adjacent to the George Town Landfill on the North Sound Road / Esterly Tibbetts Highway corridor. All active collection infrastructure converges on this zone.

Active feedstock infrastructure, disposal facilities, wastewater treatment, and marine feedstock origination points across Grand Cayman.

Advanced Circular Manufacturing (ACM)

Carbotura's manufacturing classification for the conversion of post-use material streams into manufactured commodities (synthetic graphite, graphene compounds, recovered minerals, net-positive ultrapure water) via Microwave Catalytic Reforming — with internal-use hydrogen that powers the facility and returns as that same ultrapure water. Classified NAICS 325180/325998/327992/331110/331314/331492. Never classified as waste management or disposal (NAICS 562213/562219).

Manufacturing Feedstock

Any material stream delivered to an ACM facility as an input to the manufacturing process. In the Cayman Islands context: MSW (commercial and residential), WWTP biosolids, marine/cruise material, resort hospitality material, and legacy landfill material subject to Exogenesis™ Protocol. Not "waste" in the ACM operational context.

Microwave Catalytic Reforming (MCR)

The ACM process technology. Anoxic (oxygen-free), sub-atmospheric, non-combustion elemental dissociation at 1,200°C+. Mechanistically incompatible with incineration. Eliminates PFAS compounds through complete elemental dissociation.

Exogenesis™ Protocol

The Carbotura Urban and Landfill Mining protocol. Applied when an existing landfill or accumulated legacy material site is identified as a recoverable manufacturing feedstock resource base. The George Town Landfill mound (~40 acres, ~90 feet elevation, mid-1960s to present) is a confirmed Exogenesis™ Protocol candidate in the Cayman Islands.

Regenesis™ Nodes (1–5 TPD)

Point-source modular ACM units designed for on-site or campus-scale deployment at properties generating 1–5 TPD of manufacturing feedstock. Applicable to resort properties, hospitality campuses, cruise terminals, and similar distributed generation points. Each Regenesis™ Node operates as an independent ACM facility under a direct Circular Supply Agreement with the property operator.

Marine Feedstock

Manufacturing feedstock originating from maritime sources — primarily cruise vessels calling at the George Town Cruise Terminal (Royal Watler) and North Sound anchorage. Subject to MARPOL Annex V port reception requirements. Managed by the Port Authority of the Cayman Islands (PACI) as port reception obligation.

Circular Supply Agreement (CSA)

The Carbotura contractual instrument governing the bilateral relationship between a feedstock source (e.g. GOCI / DEH) and the ACM facility SPV. Defines Beneficiation Fee, Circular Royalty™ terms, feedstock supply obligations, and term. 30-year standard term.

Beneficiation Fee (Total Material Conversion Fee)

The Beneficiation Fee paid per ton of manufacturing feedstock delivered to the ACM facility under a Circular Supply Agreement. For the Cayman Islands: $100/ton (USD). Escalates at 2.5% per year. The Beneficiation Fee is not a tipping fee — it is a manufacturing arrangement charge.

Circular Royalty™

The conversion royalty paid by the Carbotura ACM facility SPV to the feedstock source under the Circular Supply Agreement, commencing 13 months after corresponding Beneficiation Fee payments. Base rate: 120% of that year's Beneficiation Fee per ton; escalates at +1 percentage point per year. At steady state, the Circular Royalty™ is designed to exceed the Beneficiation Fee on a per-ton basis.

Facility-Wide Disposal Cost (FWDC)

The total per-ton cost to the community of disposing of one tonne of manufacturing feedstock under the current system. Includes direct disposal cost, transport, contract overhead, and capital depreciation. Cayman Islands FWDC: $160/ton ESTIMATED (MODELED from terminated ReGen $163/ton contract benchmark).

Access Classification

The classification of a feedstock stream's availability to ACM. Three values: IMMEDIATE (no contract negotiation required); CONDITIONAL (requires bilateral agreement or regulatory step); ACCESSIBLE (requires property-level or multi-party agreement). Access Classification is never a capability statement — ACM can process all classified streams.

Circular Materials

Manufactured commodities produced by the ACM facility from the converted feedstock. Includes synthetic graphite, graphene compounds, recovered minerals, and net-positive ultrapure water (hydrogen is generated internally to power the facility in Island Mode and returns as that same ultrapure water — not sold as a separate product). These are manufactured goods — not recycled materials or by-products.

Department of Environmental Health (DEH)

The Government of the Cayman Islands department responsible for all island landfill operations (George Town, Cayman Brac, Little Cayman), residential and commercial waste collection, recycling, and environmental health services. The primary Circular Supply Agreement counterparty for the MSW feedstock stream.

Water Authority — Cayman (WAC)

The government authority operating the only public sewerage system and wastewater treatment plant on Grand Cayman (West Bay Beach Sewerage System). Responsible for biosolids management — a conditional feedstock stream under ACM Phase Medium.

Port Authority of the Cayman Islands (PACI)

The government authority managing Grand Cayman's cargo and cruise port operations, including the George Town Cruise Terminal (Royal Watler) and North Sound anchorage. PACI is the institutional counterparty for marine feedstock access agreements.