Company Filing History:
Years Active: 1986-1988
Title: Herbert Ressel: Innovator in Phosphoric Acid Processing
Introduction
Herbert Ressel is a notable inventor based in Erftstadt, Germany. He has made significant contributions to the field of chemical engineering, particularly in the processing of phosphoric acid. With a total of five patents to his name, Ressel's work has had a considerable impact on the industry.
Latest Patents
Ressel's latest patents include a process for making crude phosphoric acid. This innovative method involves subjecting crude phosphate ore containing sulfide to processing treatment with a mineral acid in a closed system. The system comprises a processing reactor, a filtering zone, and an off-gas scrubbing zone. A soluble compound of a metal that forms difficultly soluble sulfides in the respective acid medium is added to enhance the process. Another significant patent is for an apparatus designed to reduce iron and vanadium in phosphoric acid solution. This apparatus utilizes a granular reductant and features a drum that is rotatable around its transverse axis. It is partially filled with the granular reductant and includes inlets for supplying the phosphoric acid solution, the granular reductant, and an inert gas, along with a reaction product outlet.
Career Highlights
Herbert Ressel has had a distinguished career, working with Hoechst Aktiengesellschaft, a leading company in the chemical industry. His innovative approaches and patented technologies have contributed to advancements in phosphoric acid production and processing.
Collaborations
Ressel has collaborated with notable colleagues, including Gunther R Schimmel and Reinhard Gradl. These partnerships have fostered a collaborative environment that encourages innovation and the development of new technologies.
Conclusion
Herbert Ressel's contributions to the field of chemical engineering, particularly in phosphoric acid processing, highlight his role as a significant inventor. His patents and collaborations reflect a commitment to innovation and excellence in his field.
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