Klin Loop

Madrid ·Seed

Klin Loop is a Madrid-based deep-tech spin-off from CSIC (Spanish National Research Council) that develops circular adsorbent materials made from industrial waste to purify biogas by removing sulfur compounds (H2S), turning organic waste residues into clean renewable energy (biomethane). Founded in 2023 out of CENIM-CSIC's research on materials recycling, it has received CDTI Neotec innovation funding and seed backing from BeAble Capital.

Founded

2023

Founders

Total funds raised

—

Rounds

Investors

SectorsCleantech, Biogas, Circular Economy, Materials Science, Renewable Energy Start-up MapEnergy & Climate › Waste valorisation & biomaterials

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Founders

Félix Antonio López

Founder / Lead Researcher

Global models 5

Svante

Canada · www.svanteinc.com ↗

Develops solid sorbent filters (structured adsorbent materials) that it sells to industrial emitters to strip an unwanted gas from a process stream, which is the same materials-for-gas-purification model as Klin Loop's.

$600MComparable

Carbon Clean

United Kingdom · www.carbonclean.com ↗

Sells gas-separation chemistry and modular units to industrial plants to remove a contaminant gas from their flue streams, a B2B purification-technology model.

$210MComparable

NuMat Technologies

United States · www.numat.com ↗

Commercialises engineered adsorbent materials (MOFs) that capture and purify specific gases for industrial customers, the same advanced-adsorbent product model.

$100MComparable

Promethean Particles

United Kingdom · www.prometheanparticles.co.uk ↗

University spin-out that manufactures novel adsorbent materials for selective gas capture and purification and sells them to industrial users, like Klin Loop's research-to-materials route.

$25MComparable

Nuada

United Kingdom · nuadaco2.com ↗

Deep-tech spin-out that uses adsorbent (MOF) materials to remove a target gas from industrial streams, sold as a purification solution to plant operators.

$15MComparable

In the same niche 22 others

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Benviro

Santa Perpètua de Mogoda

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Notes: Most funded first

Investors 1

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BeAble Capital

beablecapital.com

Investor Spain

Funding rounds

No announced rounds on record.

News 2

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Published	Article
2026-01-08	CDTI financia Klin Loop: innovación en biogás del CENIM-CSIC ↗ CENIM-CSIC 2026-01-08
2025-02-14	Klin Loopp ↗ El Referente 2025-02-14