Company Filing History:
Years Active: 1991
Title: Lars-Ake Hammar: Innovator in Energy Efficiency for Cellulose Refining
Introduction
Lars-Ake Hammar is a notable inventor based in Farsta, Sweden. He has made significant contributions to the field of cellulose refining, particularly in methods that enhance energy efficiency. His innovative approach has the potential to impact various industries that rely on cellulose-based materials.
Latest Patents
Hammar holds a patent for a method aimed at reducing energy consumption during the refining of cellulose. The patent describes a process that involves the addition of alkali to cellulose-containing material to neutralize acid groups bonded to the fiber wall. This method allows for the measurement of the pH value in the pulp suspension at the refiner outlet. The alkali is added in a calculated amount based on the measured pH value, ensuring effective neutralization without excess. The recommended dosage ranges from 0.05 to 9 kg/ton, with a preference for 0.5 to 5 kg/ton, and ideally between 1 to 4 kg/ton, calculated as NaOH.
Career Highlights
Lars-Ake Hammar has dedicated his career to advancing technologies that improve the efficiency of cellulose processing. His work at Stfi has positioned him as a key figure in the field, where he continues to explore innovative solutions for energy reduction in industrial processes.
Collaborations
Hammar has collaborated with several professionals in his field, including Per O Engstrand and Myat T Htun. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in cellulose refining technologies.
Conclusion
Lars-Ake Hammar's contributions to the cellulose refining industry exemplify the importance of innovation in energy efficiency. His patented method not only addresses energy consumption but also sets a precedent for future advancements in the field.