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Compact Membrane Systems

Membrane separation for carbon capture and olefins

Raised to date

$10.3M

of $20M offered across 1 Form D filing

Still open
$9.7M
Investors
4
Last filed
Dec 4, 2025

About

Compact Membrane Systems (CMS) is a growth-stage climate-tech company based in Delaware that specializes in advanced membrane technology. With a technical legacy spanning over 30 years, CMS develops and commercializes solutions aimed at decarbonizing heavy industries like steel and cement, as well as improving the efficiency of chemical separations.

The company's technology is based on durable fluoropolymer membranes that enable fully electrified, modular, and bolt-on systems. This approach offers a low-energy, solvent-free alternative to traditional separation processes like distillation and solvent-based carbon capture, reducing both operational complexity and capital expenditure.

Funding

  • EquityFiled Dec 4, 2025Form D
    $10.3M/ $20M

Product

Optiperm™ Platform

Industrial Separation Platform

The Optiperm™ platform is a membrane-based separation technology that delivers modular, bolt-on solutions for existing industrial facilities. Its primary applications are point-source carbon capture in hard-to-abate sectors and boosting production efficiency in olefin separations for petrochemical plants.

  • Modular and bolt-on design for integration with existing infrastructure
  • Fully electrified operation without the need for steam or chemical solvents
  • Constructed from contaminant-resistant and durable fluoropolymers suitable for harsh industrial environments

Built for

Heavy industrial operators in sectors such as steel, cement, chemicals, and petrochemicals (specifically olefins production).

People on file