Company Profile

SEP Salt & Evaporation Plants Ltd. was founded by a team of engineers who are specialists in the field of Evaporation and Crystallisation Technology and are accredited leaders in their fields of expertise namely: 

  • Salt Plants (NaCl) 
  • Concentrating Process Solutions, e.g. Aluminate Liquor 
  • Concentrating, Flaking or Granulating of Calcium Chloride
  • Special Crystalline Products, e.g. (NH₄)₂SO₄ & KCl 
  • Treating Waste Water to Recover Value Added


The company‘s founding members demonstrate their commitment to the success of SEP Salt & Evaporation Plants Ltd. through their shareholding in the company.

The positive response of the market to SEP Salt & Evaporation Plants has been demonstrated by the receipt of key orders not only for engineering very large plants but also for the supply of plants based upon new in-house developed technology. SEP is selected because of its ability to develop process concepts that minimize capital and operating costs.

SEP is the natural partner for revamping existing plants to improve product quality, boost capacity or increase economy. The extensive experience of the engineering team which has been gained through the design of a wide range of plants and cemented by the practical knowledge gained through their on site supervision of commissioning builds a sound basis for undertaking such work.


  • Hadorn, Stefan

    Hadorn, Stefan


    Head of Plant Design
    +41 52 260 53 91
    Design customized solutions with state-of-the-art CAD systems and optimize the work flow, makes my work exciting and leads to our customer's satisfaction.

SEP Salt & Evaporation Plants Ltd
Neuwiesenstrasse 69
CH-8400 Winterthur

Phone +41 52 260 50 70
Fax      +41 52 260 50 80