Company Filing History:
Years Active: 2017-2019
Title: Kari Hietala: Innovator in Metal Recovery Technologies
Introduction
Kari Hietala is a notable inventor based in Espoo, Finland. He has made significant contributions to the field of metal recovery, particularly in the extraction of valuable metals from various solutions. With a total of 4 patents to his name, Hietala's work has the potential to impact industries focused on sustainable resource management.
Latest Patents
Hietala's latest patents include a method for the recovery of copper and zinc. This innovative process involves extracting these metals from an aqueous sulfate and chloride-containing solution using a combination of liquid chelating cation and anion exchangers. The extraction process is followed by several stripping stages to ensure the efficient recovery of the metals. Another significant patent is related to the preparation of a gold-containing solution and a process arrangement for recovering gold and silver. This method utilizes chloride leaching from gold-bearing raw materials, providing a systematic approach to recover these precious metals.
Career Highlights
Throughout his career, Kari Hietala has worked with prominent companies in the field, including Outotec (Finland) Oy and Outotec Oyj. His experience in these organizations has allowed him to develop and refine his innovative methods for metal recovery.
Collaborations
Hietala has collaborated with several professionals in his field, including Kari Valkama and Erkki Paatero. These partnerships have contributed to the advancement of his research and the successful implementation of his patented technologies.
Conclusion
Kari Hietala's contributions to metal recovery technologies demonstrate his commitment to innovation and sustainability. His patents reflect a deep understanding of chemical processes and their applications in resource recovery.