Sami Virolainen

Title: Innovations of Sami Virolainen

Introduction

Sami Virolainen is a notable inventor based in Lappeenranta, Finland. He has made significant contributions to the field of metal recovery, holding 2 patents that showcase his innovative approaches. His work focuses on methods that enhance the efficiency of recovering valuable metals from various solutions.

Latest Patents

One of his latest patents is titled "Silver recovery by ion exchange." This invention provides a method for recovering silver from silver-containing halide solutions. The process involves several steps, including the use of an ion exchange column with a weak anion exchange resin, washing the resin with various solutions, and eluting the resin to obtain a silver-containing solution. Another significant patent is the "Method of regeneration of an organic extraction solution that has been used in a liquid-liquid extraction process." This invention describes a two-stage method for restoring the extractive potential of organic hydroxyoxime-based extraction solutions used in metal recovery. The process utilizes an aqueous solution of hydroxylamine in the reaction stage, followed by the removal of undesirable compounds through adsorption purification.

Career Highlights

Sami Virolainen has worked with prominent companies in the field, including Outotec Oyj and Outotec (Finland) Oy. His experience in these organizations has allowed him to develop and refine his innovative methods for metal recovery.

Collaborations

Throughout his career, Sami has collaborated with notable colleagues such as Erkki Paatero and Kai Jyrkkä. These partnerships have contributed to the advancement of his inventions and the successful implementation of his patented methods.

Conclusion

Sami Virolainen's contributions to the field of metal recovery through his innovative patents demonstrate his expertise and commitment to advancing technology. His work continues to influence the industry and pave the way for future innovations.