Karl-Heinz Koenig

Title: **The Innovative Contributions of Karl-Heinz Koenig**

Introduction

Karl-Heinz Koenig is a notable inventor based in Frankfurt-am-Main, Germany. With an impressive portfolio of three patents, he has made significant strides in the field of materials processing, particularly in the extraction of precious metals and the treatment of wastewater.

Latest Patents

One of his latest patents details a **process for leaching of precious metals**. This invention encompasses a method for extracting gold and silver from ores and concentrates by utilizing an aqueous leach solution containing cyanide. The innovative aspect of this process is the adjustment of the leach solution’s pH to between 8 and 13 and the inclusion of an oxygen-releasing peroxo compound, which enhances the yield and efficiency of precious metal recovery while minimizing the consumption of harmful chemicals.

Another notable patent by Koenig involves the use of **substituted thioureas** for the separation of complexly bound heavy metals. This innovation allows for the precipitation of heavy metals from wastewater or aqueous solutions containing complexing agents. Utilizing N,N-dialkyl-N'-benzoyl thioureas, particularly those with various alkyl groups like methyl and ethyl, proves to be an effective means in environmental remediation.

Career Highlights

Karl-Heinz Koenig’s career is marked by his affiliation with Degussa Aktiengesellschaft, a well-regarded company known for its contributions to the chemical and materials industry. His inventive efforts showcase his commitment to developing sustainable and efficient processes in the extraction and separation of valuable metals.

Collaborations

Throughout his career, Koenig has collaborated with esteemed colleagues, including Peter Panster and Elske Schopenhauer-Gehrmann. These partnerships reveal a collaborative spirit in the pursuit of innovations that benefit both industry and the environment.

Conclusion

In conclusion, Karl-Heinz Koenig has proven himself to be an influential inventor with valuable contributions in the fields of precious metal extraction and wastewater treatment. His innovative patents not only reflect his expertise but also highlight the importance of sustainable practices in industrial applications.