Stefan Raffalt

Title: The Innovative Contributions of Stefan Raffalt

Introduction

Stefan Raffalt is a notable inventor based in St. Gertraud, Austria. He has made significant contributions to the field of wood pulp production through his innovative processes. His work focuses on improving the efficiency and effectiveness of recausticizing green liquor, a crucial step in the Kraft process.

Latest Patents

Stefan Raffalt holds a patent for a "Process for recausticizing green liquor." This process involves the admixture of green liquor, primarily composed of sodium carbonate and sodium sulphide, with calcium oxide in a slaker. The reaction in a recausticizer results in an aqueous suspension containing sodium hydroxide and calcium carbonate. The process is characterized by the addition of carbon dioxide during dilution, enhancing the separation of solids in subsequent filtration stages.

Career Highlights

Raffalt's career is marked by his dedication to advancing industrial processes in the pulp and paper sector. His innovative approach to recausticizing green liquor has the potential to improve sustainability and efficiency in wood pulp production. His work is recognized for its technical depth and practical applications in the industry.

Collaborations

Stefan Raffalt has collaborated with esteemed colleagues, including Walter Ruef and Manfred Hacker. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas within the field.

Conclusion

Stefan Raffalt's contributions to the process of recausticizing green liquor exemplify the impact of innovation in industrial applications. His patent and collaborative efforts highlight the importance of continuous improvement in production processes.