Markku Leskelä

Title: Markku Leskelä: Innovator in Mechanical Pulp Production

Introduction

Markku Leskelä is a notable inventor based in Muijala, Finland. He has made significant contributions to the field of mechanical pulp production, holding a total of 6 patents. His innovative methods have enhanced the efficiency and quality of paper and cardboard manufacturing processes.

Latest Patents

Leskelä's latest patents include a process for producing mechanical pulp suitable for paper or cardboard making. This method involves fibrillating the pulp and bleaching it under alkaline conditions. The invention also includes a screening process that separates the reject from the accept, ensuring that a maximum of approximately 60% of the total pulp is classified as reject. The bleached reject is then remixed with the accept, resulting in increased pulp strength and reduced energy consumption during refining. Another significant patent is related to the production of a calendered paper web. This method utilizes a fibrous raw material, partly made from chemimechanical pulp, and employs online soft-calendering to improve the gloss and smoothness of the paper without compromising its bulk.

Career Highlights

Markku Leskelä is associated with M-real Oyj, a company known for its advancements in the paper and packaging industry. His work has been instrumental in developing innovative solutions that address the challenges faced in pulp production.

Collaborations

Leskelä has collaborated with notable colleagues, including Soili Hietanen and Auli Laurila-Lumme. Their combined expertise has contributed to the successful development of new methods and technologies in the field.

Conclusion

Markku Leskelä's contributions to mechanical pulp production exemplify the impact of innovation in the paper industry. His patents reflect a commitment to improving production processes and enhancing product quality.