Company profile

We have been processing the valuable raw material selenium at our site in Röthenbach a. d. Pegnitz for more than 70 years. Depending on the area of application and customer, we ensure the required level of quality without fluctuations and the appropriate processing.
 

Our customers come from all over the world and include the glass, animal feed, solar, semiconductor and optical industries as well as the pharmaceutical, electroplating, steel and fertilizer industries. In more than 50 countries, we serve around 500 customers from 20 different industries with our more than 50 products.

We also develop customized solutions on request! Retorte is constantly evolving and facing new challenges on the global market.

Our customers benefit from our high performance, competitive prices, excellent delivery availability and compliance with the highest environmental standards. We currently employ around 40 people at our site in Röthenbach an der Pegnitz. We are a leader in the field of selenium. That is why our slogan is: Focused on Selenium.

Our focus on technology and development

Laminar oxidation

RETORTE has developed the direct laminar oxidation of selenium using pure oxygen. This globally unique technology makes RETORTE the manufacturer with the highest environmental standards and the best product quality. Several modern computer-controlled oxidation plants produce either selenium dioxide or selenic acid.

High-purity selenium production

In the field of high-purity selenium, RETORTE has state-of-the-art equipment for fine purification, reduction, and alloying. Modern clean room technology and a vacuum drying oven ensure that the highest standards are met in drying and packaging. The reduction reactor is the heart of the high-purity selenium production process. Here, highly purified selenic acid is processed into reduction powder selenium, the precursor for the production of high-purity selenium.

Selenium oxidation plant

The selenium oxidation plant was developed in-house by RETORTE, making it the global market leader for high-purity selenium and selenium chemicals. The plants are constantly being further developed and improved. They are computer-controlled and monitored and equipped with state-of-the-art software and control electronics.

Spray drying

With the introduction of spray drying for sodium selenite in 1997, RETORTE achieved a significant improvement in both the product and working conditions. Compared to conventional ground products, the product is low in dust and free of larger particles. The advantage: more homogeneous mixing in animal feed and increased occupational safety for production employees in animal feed production.

Quality control in our own laboratory

Our products undergo constant checks in our in-house laboratory. For example, we check whether the degree of purity meets the criteria required by the respective industry. We are one of the few manufacturers worldwide capable of producing ultra-pure selenium with a purity of 99.999%.

Environment and sustainability

We have numerous certifications that attest to our mindful use of resources, suppliers, employees, and the environment. Our raw materials are sourced only from countries that comply with all environmental standards. Regular checks ensure that we have an overview of the entire supply and production chain with regard to compliance with environmental regulations, occupational safety, and human rights.

Our certificates