Gunther Liesenfelder

Title: Gunther Liesenfelder: Innovator in Chemical Production

Introduction

Gunther Liesenfelder is a notable inventor based in Erftstadt, Germany. He has made significant contributions to the field of chemical production, particularly in the synthesis of 1,2-dichloroethane. His innovative approach has led to the development of a patented process that enhances efficiency and sustainability in chemical manufacturing.

Latest Patents

Liesenfelder holds a patent for the production of 1,2-dichloroethane. This process involves subjecting ethylene to an oxychlorination reaction with hydrogen chloride and a gas containing molecular oxygen in the gas phase. The reaction occurs at elevated temperatures and in contact with a fluidized bed copper-II-chloride catalyst on a carrier. The method includes cooling the reaction gases under pressure in two condensation stages, allowing for the removal of condensed 1,2-dichloroethane and water. The bulk of unreacted starting gas and inert gas are then recycled, ensuring a more efficient production cycle.

Career Highlights

Gunther Liesenfelder has been associated with Hoechst Aktiengesellschaft, where he has applied his expertise in chemical engineering. His work has not only contributed to the company's advancements but has also positioned him as a key figure in the field of chemical innovation.

Collaborations

Throughout his career, Liesenfelder has collaborated with notable colleagues such as Kurt Schuchardt and Gerhard H Rechmeier. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in chemical processes.

Conclusion

Gunther Liesenfelder's contributions to the production of 1,2-dichloroethane exemplify the impact of innovative thinking in the chemical industry. His patented process reflects a commitment to efficiency and sustainability, marking him as a significant inventor in his field.