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Susteon Inc.

Susteon is a U.S. clean-technology company that develops and scales solvents, sorbents, and catalysts for carbon capture and conversion, accelerated by an AI-driven materials discovery platform.

Last updated September 27, 2026

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Overview

Susteon Inc. is an American clean-technology company headquartered in Morrisville, North Carolina, focused on the materials and chemical processes needed to decarbonize industry. According to its official website, the company "builds and scales the solvents, sorbents, and catalysts the carbon economy needs, powered by an AI discovery platform that turns years of R&D into months." Its work spans the full carbon-management chain: capturing CO2 from point sources and ambient air, and converting captured CO2 into useful hydrocarbons. The company organizes its offerings into an "Integrated Carbon Management Stack" with three technology families. EcoSolvent is a drop-in point-source capture solvent — a patented mixed-amine solvent marketed as Sustenol — that the company says achieves capture costs below $50 per tonne of CO2 and has been validated for natural-gas combined-cycle (NGCC) flue gas, requiring no new equipment for amine replacement. EcoFilter is a modular ambient air capture unit described as a scalable partial direct-air-capture (DAC) design that handles CO2 concentrations from 400 ppm to 10% without vacuum or thermal regeneration. EcoReactor is an electrified reactor for CO2 conversion that transforms CO2 into methane, propane, propylene, and other hydrocarbons using Joule-heated monoliths operating continuously from 60 to 900 °C. Susteon positions itself not only as an inventor but as a commercialization partner. Its stated services include technology licensing and support for chemical process equipment and materials, creation of custom catalysts, sorbents, and engineered materials, scientific R&D and engineering services, design, testing, and analysis of chemical process equipment, and troubleshooting and technical support in hydrogen production and CO2 capture and conversion. The company describes its operating philosophy as an integrated approach, scalable technologies, and a bias to deployment — moving technologies from lab to market. Susteon reports a structured technology-development pipeline: 55 project ideas conceived, 22 ideas prioritized, 11 projects in development, 4 technologies licensed, 4 pilots built, and 0 projects deployed as of the website's publication. Its target applications include power plants, refineries, cement plants, chemical plants, olefins plants, data centers, greenhouses, and HVAC systems. The company is led by co-founder and CEO Dr. Raghubir Gupta, with a team spanning administration, research, and engineering. It is a private company; Wikidata records it simply as a company in Morrisville, United States.

History

Susteon Inc. is a privately held clean-technology company based in Morrisville, North Carolina, in the United States. Public information about its founding date is not provided in the available evidence; Wikidata records it only as a company in Morrisville. The company has built its identity around the materials and chemical processes required to decarbonize energy and industry. From its official website, Susteon describes itself as "reinventing how energy is generated, transformed and utilized." Its core thesis is that the carbon economy needs better solvents, sorbents, and catalysts, and that an AI discovery platform can compress years of research and development into months. This platform underpins an "Integrated Carbon Management Stack" organized into three technology families: EcoSolvent for point-source CO2 capture, EcoFilter for ambient air capture, and EcoReactor for CO2 conversion. The EcoSolvent line centers on Sustenol, a patented mixed-amine solvent positioned as a drop-in replacement for existing amine systems. Susteon states that it has been validated for natural-gas combined-cycle flue gas and achieves capture costs below $50 per tonne of CO2 without requiring new equipment. The EcoFilter line is a modular ambient air capture unit described as a scalable partial direct-air-capture design that handles CO2 concentrations from 400 ppm to 10% and needs no vacuum or thermal regeneration. The EcoReactor line is an electrified reactor that uses Joule-heated monoliths operating continuously between 60 and 900 °C to convert CO2 into methane, propane, propylene, and other hydrocarbons, with proprietary catalysts and a carbon heating layer. Susteon also operates as a services and licensing business. Its stated services include technology licensing and support for chemical process equipment and materials; creation of custom catalysts, sorbents, and engineered materials; scientific R&D and engineering services for chemical processes, equipment, and materials; design, testing, and analysis of chemical process equipment and materials; and troubleshooting, R&D, and technical support in hydrogen production and CO2 capture and conversion. The company emphasizes an integrated approach, scalable technologies, and a bias to deployment. Susteon publishes a technology-development pipeline that illustrates its stage of commercialization: 55 project ideas, 22 ideas prioritized, 11 projects in development, 4 technologies licensed, 4 pilots built, and 0 projects deployed. Target applications include power plants, refineries, cement plants, chemical plants, olefins plants, data centers, greenhouses, and HVAC systems. The company is led by co-founder and CEO Dr. Raghubir Gupta, alongside a team in administration, research, and engineering.

  • Susteon reports 55 project ideas conceived in its technology pipeline.

  • 22 ideas prioritized within the technology pipeline.

  • 11 projects in development.

  • 4 technologies licensed.

  • 4 pilots built.

  • 0 projects deployed as of the website's publication.

Products and positioning

A materials and process-technology company commercializing carbon capture and conversion, combining AI-accelerated discovery with licensing and deployment services.

  • EcoSolvent

    Drop-in point-source CO2 capture solvent; patented Sustenol mixed-amine solvent with low energy penalty; capture cost <$50/tonne CO2 validated for NGCC flue gas; no new equipment required.

  • EcoFilter

    Modular ambient air capture unit; scalable partial DAC design handling 400 ppm–10% CO2; no vacuum or thermal regeneration; low-cost and commercially manufacturable.

  • EcoReactor

    Electrified reactor for CO2 conversion; transforms CO2 into methane, propane, propylene and other hydrocarbons; Joule-heated monoliths operate 60–900 °C continuously; proprietary catalysts and carbon heating layer; modular design for existing infrastructure.

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