Top 10 Companies in the Bio‑Based Deep Eutectic Solvent (DES) for Metal Extraction Market (2026): Market Leaders Driving Sustainable Metal Recovery

MARKET INSIGHTS

The Global Bio‑Based Deep Eutectic Solvent (DES) for Metal Extraction Market was valued at USD 85 million in 2025 and is projected to rise to USD 245 million by 2034, reflecting a compound annual growth rate of 13.2% over the forecast period.

Bio‑based DES are engineered from renewable hydrogen bond donors and acceptors—choline chloride, organic acids, sugars, or amino acids—yielding solvents that combine low toxicity, high biodegradability, and tunable physicochemical attributes. These features enable selective leaching of metals from ores, electronic waste, spent batteries, and industrial residues while preserving high efficiency and recyclability. Compared with conventional volatile organic solvents or mineral acids, bio‑based DES offer a markedly reduced environmental footprint and the potential for closed‑loop operations.

Demand is propelled by the need for critical metals such as lithium, cobalt, nickel, and rare earth elements, driven by electric‑vehicle batteries, renewable energy technologies, and electronics. Advances in formulation have improved extraction kinetics and selectivity, lowering energy consumption and waste generation. Key players are scaling pilot projects in e‑waste processing and battery recycling to meet sustainability targets across the metals supply chain.

Bio‑Based Deep Eutectic Solvent (DES) for Metal Extraction Market – View in Detailed Research Report

Bio‑based DES are defined as mixtures of a hydrogen bond acceptor (typically choline chloride) and a hydrogen bond donor (organic acids, sugars, or amino acids) that, when combined, produce a eutectic liquid with a melting point lower than either component alone. Their unique solvation chemistry facilitates the complexation and mobilization of metal ions under mild conditions, making them ideal for hydrometallurgical applications.

Top 10 Companies in the Bio‑Based DES for Metal Extraction Market (2026)

10️⃣ DeepEutech Solutions (Singapore)

Headquarters: Singapore
Key Offering: Proprietary DES formulations for battery cathode leaching and rare‑earth recovery

DeepEutech Solutions focuses on scalable, task‑specific DES that deliver high selectivity for lithium‑ion battery materials. Their platform integrates solvent recycling with electrochemical precipitation, reducing waste streams and operating costs.

Sustainability Initiatives:

• Closed‑loop solvent recovery reducing chemical consumption by 30%
• Partnerships with battery recyclers to pilot full‑scale leaching plants
• Commitment to achieving carbon‑neutral operations by 2030

9️⃣ DEScycle (United Kingdom)

Headquarters: London, UK
Key Offering: Modular DES systems for e‑waste and spent‑battery processing

DEScycle’s modular approach allows rapid deployment across recycling facilities, offering customizable solvent blends that target specific metal streams with minimal cross‑contamination.

Sustainability Initiatives:

• Integration of renewable feedstocks in solvent synthesis
• Collaboration with UK e‑waste regulators to set industry standards
• Life‑cycle assessment studies demonstrating 40% lower GHG emissions versus conventional leaching

8️⃣ Scionix Ltd (United Kingdom)

Headquarters: Manchester, UK
Key Offering: Hydrophobic DES for rare‑earth extraction from mining tailings

Scionix’s hydrophobic DES formulations excel in separating rare‑earth elements from complex matrices, enabling higher recovery rates in low‑grade ores.

Sustainability Initiatives:

• Use of bio‑derived acids reducing hazardous waste generation
• Technology transfer agreements with European mining operators
• Targeted reduction of water usage by 25% in extraction processes

7️⃣ Solvay S.A. (Belgium)

Headquarters: Brussels, Belgium
Key Offering: Commercial DES blends for metallurgical leaching

Solvay’s extensive chemical portfolio supports large‑scale DES production, providing reliable supply chains for critical metal recovery in mining and recycling.

Sustainability Initiatives:

• Investment in renewable raw‑material sourcing for DES components
• Partnership with European Union to meet REACH compliance
• Carbon‑offset program for solvent manufacturing facilities

6️⃣ Thermo Fisher Scientific Inc. (United States)

Headquarters: Waltham, MA, USA
Key Offering: Advanced DES formulations for laboratory‑scale metal extraction research

Thermo Fisher’s research‑oriented DES solutions support academia and industry in developing next‑generation extraction protocols.

Sustainability Initiatives:

• Research grants for green chemistry education programs
• Life‑cycle analysis tools for evaluating solvent impact
• Reduction of solvent waste in R&D labs by 35%

5️⃣ BASF SE (Germany)

Headquarters: Ludwigshafen, Germany
Key Offering: High‑purity DES for precious‑metal leaching

BASF leverages its chemical expertise to produce DES blends that achieve >90% recovery of gold and silver from electronic scrap.

Sustainability Initiatives:

• Carbon‑neutral production processes by 2035
• Strategic collaborations with European recyclers
• Continuous improvement of solvent recyclability to >95%

4️⃣ Merck KGaA (Germany)

Headquarters: Darmstadt, Germany
Key Offering: Bio‑based DES for critical‑metal extraction from industrial waste

Merck’s DES solutions are tailored for high‑throughput operations, ensuring consistent metal recovery across diverse feedstocks.

Sustainability Initiatives:

• Integration of green chemistry principles in product development
• Partnerships with German mining companies for pilot deployments
• Emission reduction targets aligned with national policies

3️⃣ IoLiTec Ionic Liquids Technologies GmbH (Germany)

Headquarters: Wuppertal, Germany
Key Offering: Ionic‑liquid‑based DES for selective leaching of base metals

IoLiTec’s hybrid DES blends combine ionic liquids with natural donors, enhancing solubility for metals such as copper and nickel.

Sustainability Initiatives:

• Development of biodegradable ionic liquids
• Collaboration with European research institutes on solvent design
• Reduction of hazardous by‑products in solvent synthesis

2️⃣ Proionic GmbH (Germany)

Headquarters: Pforzheim, Germany
Key Offering: Tailored DES for battery recycling and critical‑metal leaching

Proionic’s DES platforms are engineered for high‑temperature stability, enabling efficient recovery of lithium and cobalt from spent batteries.

Sustainability Initiatives:

• Closed‑loop solvent recovery achieving 90% reuse rates
• Partnerships with automotive suppliers for pilot projects
• Carbon‑neutral manufacturing by 2032

1️⃣ DES Solutio Lda (Portugal)

Headquarters: Lisbon, Portugal
Key Offering: Commercial DES blends for mining and hydrometallurgy

DES Solutio Lda delivers cost‑effective DES solutions that meet stringent environmental regulations, supporting large‑scale ore processing.

Sustainability Initiatives:

• Use of locally sourced agricultural by‑products as feedstock
• Collaboration with Portuguese mining firms on pilot plants
• Reduction of solvent production energy consumption by 20%

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OUTLOOK

The trajectory of the Bio‑Based DES market is anchored by the convergence of regulatory pressure, resource scarcity, and the expansion of electric‑vehicle and renewable energy sectors. As critical‑metal demand climbs, the need for efficient, low‑impact extraction methods will intensify. Companies that can demonstrate scalable, cost‑effective DES solutions—coupled with robust recycling protocols—will capture the majority of the market share.

FUTURE TRENDS

• Development of polyphenol‑derived DES that enhance selectivity for rare‑earth elements, enabling higher recovery rates from complex matrices.
• Integration of DES with electrodeposition and other electrochemical methods to form closed‑loop systems, reducing overall energy use.
• Emergence of hydrophobic and ternary DES formulations to mitigate viscosity challenges, improving mass transfer in industrial mixers.
• Expansion of academic‑industry collaborations focused on life‑cycle assessment, ensuring that DES solutions meet evolving sustainability benchmarks.
• Growth of regional pilot projects in Asia‑Pacific and Europe, driven by policy incentives for circular economy and domestic critical‑metal supply chains.