Nicolaas F Haasen

Title: Nicolaas F Haasen: Innovator in Caprolactam Recovery

Introduction

Nicolaas F Haasen is a notable inventor based in Sittard, Netherlands. He has made significant contributions to the field of chemical engineering, particularly in the recovery and purification of caprolactam. With a total of three patents to his name, Haasen's work has had a considerable impact on the industry.

Latest Patents

One of Haasen's latest patents is focused on the recovery of caprolactam from caprolactam-containing distillation residue. This process involves distilling the residue under reduced pressure to obtain a caprolactam-containing distillate. The distillate is then hydrogenated in an aqueous medium to produce a hydrogenation product, from which caprolactam is recovered. Another significant patent is for the purification of epsilon-caprolactam, achieving a purity level exceeding 99.9 wt. % through a two-stage distillation operation. Each stage consists of an evaporator and a rectification column, designed to maintain a pressure drop across the theoretical trays of less than about 2.5 MBAR.

Career Highlights

Haasen has worked with prominent companies in the chemical industry, including Stamicarbon B.V. and its licensing subsidiary, DSM. His expertise in caprolactam recovery and purification has positioned him as a key figure in the development of innovative processes in this area.

Collaborations

Throughout his career, Haasen has collaborated with esteemed colleagues such as Otto G Plantema and Peter F Rulkens. These partnerships have contributed to the advancement of his research and the successful implementation of his patented processes.

Conclusion

Nicolaas F Haasen's contributions to the field of caprolactam recovery and purification demonstrate his innovative spirit and dedication to advancing chemical engineering. His patents reflect a commitment to improving industrial processes and achieving high levels of purity in chemical products.