People

Herbert Sixta

Professor Sixta Herbert's research interests include the following:

Pulping chemistry and technology with special emphasis on dissolving pulps
Cellulose chemistry
Chemistry of the fractionation of biomass, in particular lignocellulosic biomass
Valorization of cellulose to regenerated cellulose fibers
Valorization of cellulose to cellulose derivatives
Dry-jet wet spinning of cellulose solutions
Valorization of hemicelluloses as furanic compounds
Isolation and characterization of lignin. Valorization of lignin to monoaromatic structures, to bio-oil and as co-polymer in composite material with cellulose
Cellulose textile chemistry
Novel dying technologies for cellulose-based textiles.
Novel pathways of functionalization of cellulose-based textiles
Chemical and mechanical purification of pulps
Oxygen delignification of unbleached pulps
TCF- and ECF bleaching techniques
Organosolv fractionation methods with particular emphasis on GVL/water pulping of hardwood

Full researcher profile

https://research.aalto.fi/...

Contact information

[email protected]

Phone number

+358503841764

Honors and awards

European Paper Recycling Award 2015 European Recovered Paper Council, EU

Award or honor granted for a specific work Department of Forest Products Technology Jan 2015

Best Poster Award - Workshop on Cellulose Renegated Fibres University of Karlstad, Sweden

Award or honor granted for a specific work Department of Forest Products Technology Jan 2007

Knight, First Class, of the Order of the White Rose of Finland

Award or honor granted for academic or artistic career Department of Bioproducts and Biosystems Jan 2016

Global Change Award

Award or honor granted for academic or artistic career Department of Bioproducts and Biosystems Feb 2016

Mitscherlich Medaille from Zellcheming, Germany, for merits in dissolving pulp technology

Award or honor granted for academic or artistic career Department of Bioproducts and Biosystems Jan 2006

DIA Design Intelligence Award, China

Ioncell project awarded with DIA Design Intelligence Award (shortlisted among 22 best, 6.-8.5. Grand final), Hangzhou, China http://en.di-award.org, 10 000 euros

Invitation or ranking in competition Department of Design May 2018

Ioncell project selected for Designmuseum Habitare Collection

Award or honor granted for a specific work Department of Design Sep 2019

Publications

A novel X-ray diffraction approach to assess the crystallinity of regenerated cellulose fibers

Luigi Gentile, Herbert Sixta, Cinzia Giannini, Ulf Olsson 2022 IUCrJ

Conversion of bleached soda bagasse paper-grade pulp to dissolving-grade pulp using different hemicelluloses removing post-treatments with emphasis on IONCELL-P process

Kajal Moradian Gilan, Sahab Hedjazi, Huy Quang Lê, Ali Abdolkhani, Sara Ceccherini, Mira Viljanen, Herbert Sixta 2022 Holzforschung

Base-catalysed depolymerization of lignins in supercritical water: Influence of lignin nature and valorisation of pulping and biorefinery by-products

Eduardo Pérez, Nerea Abad-Fernández, Tainise Lourençon, Mikhail Balakshin, Herbert Sixta, María José Cocero 2022 Biomass and Bioenergy

Application-Related Consideration of the Thermal Stability of [mTBDH][OAc] Compared to Amidine-Based Ionic Liquids in the Presence of Various Amounts of Water

Inge Schlapp-Hackl, Joanna Witos, Krishna Ojha, Petri Uusi-Kyyny, Ville Alopaeus, Herbert Sixta 2022 Industrial & Engineering Chemistry Research