Location History:
- Bad Homburg von der Hohe, DE (1982)
- Bad Homburg, DE (1984 - 1988)
Company Filing History:
5 out of 642 
2 out of 46 
1 out of 21 Years Active: 1982-1988
Title: The Innovative Mind of Hartmut Pietsch
Introduction
Hartmut Pietsch, based in Bad Homburg, Germany, is a notable inventor with a rich portfolio of five patents. His work focuses primarily on methods that enhance the processing and recovery of valuable materials from various products, showcasing his dedication to innovation in the field of metallurgy and material science.
Latest Patents
One of Pietsch's latest inventions is a method of processing small batteries. This process involves mechanical disintegration, where only the metal sheath of the small batteries is torn apart. The resulting crushed material is subjected to roasting at temperatures between 500°C to 1000°C in an oxidizing atmosphere, enabling the recovery of volatilized mercury from the exhaust gas. The roasted material is then efficiently separated through sieving and magnetic separation into distinct fractions, including an iron-containing scrap fraction, a brass-containing scrap fraction, and a collectable fraction which comprises manganese, zinc, and silver.
Additionally, Pietsch has patented a method of pressure leaching. This groundbreaking process leaches ores, ore concentrates, and other intermediate metallurgical products by treating them in an acid aqueous solution under pressure, using a tubular reactor. The slurry used in this method contains approximately 300 to 1100 grams of the starting material per liter of water, with a maintained flow velocity of 0.5 to 4.0 m/sec throughout the tubular reactor, ensuring efficient processing and yielding a high-quality leached suspension.
Career Highlights
Throughout his career, Hartmut Pietsch has contributed his expertise to major companies such as Metallgesellschaft Aktiengesellschaft and Vereinigte Aluminium-Werke Aktiengesellschaft. His innovative approaches have played a significant role in the advancement of technology related to metallurgy and recycling processes.
Collaborations
In his professional journey, Pietsch has collaborated with esteemed colleagues such as Wolfgang Turke and Hubert Bings. These collaborations have fostered a productive environment that has enabled the development of impactful technologies in the field.
Conclusion
Hartmut Pietsch's contributions to the fields of metallurgy and recycling through his inventive patents represent a significant advancement in processing technologies. His innovative methods not only enhance material recovery but also demonstrate a commitment to sustainable practices in industry. With continued collaboration and innovation, Pietsch remains a significant figure in the landscape of modern invention.