The EPSE™ Method provides a unique and patented solution for the treatment of materials containing soluble metals. The method produces a metal-free overflow and an practically insoluble multi-metal precipitate. The EPSE™ Method suits particularly well for industrial and mining acidic wastewater and process water containing soluble metals and it has been tested for 51 metals.

EPSE offers their clients a comprehensive technical solution and its’ treatment process creates excellent results. EPSE™ Method can be used for both continuous (24h) or batch run according to the customer’s wishes and it can be integrated into existing equipment.

Metals tested for the EPSE™ Method


Operating principle

The EPSE™ Method water treatment process is based on the dosing of the EPSE™ chemical and the adjustment of the pH level. The process forms a metal free overflow and an insoluble precipitate that can be classified as inert waste, which does not require special storage or special permits like hazardous waste does. The Method’s operating expenses and its’ implementation does not typically require big investments. Because the EPSE™ Method isn’t dependent on temperatures, energy is conserved remarkably.

The EPSE™ Method is non-selective and is proven to be effective to all of the processed metals even in small concentrations. The precipitate formed in the process settles rapidly and it can be used as raw material in many ways.

Simple, fast, cost-effective


Practically insoluble and utilizable precipitate

Works on all processed metals in one treatment round

The efficiency is not dependent on metal concentrations

Is not temperature dependent and works in very low temperatures

Does not require large-scale investments in equipment

Can often be directly integrated into existing equipment

Case Examples of the EPSE™ Method on different metals

Click on the metal you are interested in and a new window will pop up showing examples of our treatment results.