Location History:
- Courbevoie, FR (2001)
- Bethune, FR (1993 - 2002)
Company Filing History:
2 out of 456 
1 out of 2,424 
1 out of 336 Years Active: 1993-2002
Title: Innovations of Gerard Hecquet in Vapor Phase Oxidation
Introduction
Gerard Hecquet is a notable inventor based in Bethune, France, recognized for his contributions to the field of chemical engineering. He holds a total of seven patents, focusing primarily on the vapor phase oxidation processes that enhance the production of valuable chemical compounds.
Latest Patents
Hecquet's latest patents include innovative methods for the selective vapor phase oxidation of propylene to acrolein. This improved method utilizes a recirculating solids reactor system with a bismuth molybdate multimetal oxide. The process involves specific reactant concentrations, including 5 mol % to 30 mol % propylene, 0 to 20 mol % oxygen, and the remainder as inert gas. The particle size ranges from 1 to 300 micrometers, with temperatures maintained between 250 to 450 °C. The gas and solids residence times are optimized for improved selectivity and propylene conversion.
Another significant patent by Hecquet is the method for the selective vapor phase oxidation of acrolein to acrylic acid. This process also employs a recirculating solids reactor system, utilizing a particulate molybdenum vanadate multimetal oxide as the oxidant. The reactant concentrations are similar, with 5 mol % to 30 mol % propylene, 0 to 20 mol % oxygen, and up to 70 mol % water. The particle size, temperature, and residence times are carefully controlled to achieve enhanced selectivity and conversion rates.
Career Highlights
Throughout his career, Gerard Hecquet has worked with prominent companies, including Elf Atochem S.A. His expertise in chemical processes has led to significant advancements in the field, particularly in the area of vapor phase oxidation.
Collaborations
Hecquet has collaborated with notable professionals in his field, including Michel Simon and Charlotte Pham. Their combined efforts have contributed to the development of innovative chemical processes.
Conclusion
Gerard Hecquet's work in vapor phase oxidation has made a substantial impact on chemical engineering, showcasing his innovative approach to improving production methods. His patents reflect a commitment to advancing technology in the chemical industry.