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Weeefiner summary
Technology
Products
Weeefiner’s Team
Weeefiner’s production
Images
Recent publications

Summary

Founded in 2017, Weeefiner is a Finnish technology pioneer specializing in innovative water treatment and material recovery solutions. Our goal is to challenge the status quo of water treatment by introducing groundbreaking, sustainable solutions for industrial water challenges.

Read an article about recent developments: Weeefiner 2024 report.

Selective 4D Scavenger® Recovery Technology

An innovative water treatment technology designed to selectively recover dissolved raw materials from water and liquid solutions. The selectivity presents substantial benefits as 4D Scavenger® can recover critical and high-demand raw materials with up to 100 % selectivity. Moreover, the concentrated raw materials are in many cases ready for reuse without further processing or refining.

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Products

4D Scavenger® Container

An innovative recovery and water treatment system conveniently housed in a shipping container, making it easy to transport and deploy. The container is a top-tier solution for outdoor applications and remote locations.

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4D Scavenger® Skid

An ideal solution for permanent and temporary indoor installations. Its compact size and modular design allow for seamless integration with existing production or waste management systems.

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Weeefiner’s Team

Weeefiner’s 15-member team combines expertise in chemistry, industrial processes, and business development. Led by CEO Mikko Hänninen and CTO Elmeri Lahtinen, we are driven by our core values—innovation, problem-solving, and responsibility—to deliver sustainable, forward-looking solutions.

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Weeefiner’s Production

At our facilities in Jyväskylä (Central Finland), we develop customized solutions for water treatment and the recovery of valuable materials. Our operations cover water analysis, 4D Scavenger production, technology development, and the assembly of pilot- and full-scale systems—supported by a strong partner network when needed.

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