Arnis TREIMANIS

Professor Arnis TREIMANIS Senior Researcher Institute of Wood Chemistry Dzerbenes iela 27 Riga LV 1006 LATVIA Phone: +371 29258122, +371 67551559 Fax: +371 67550635 E-mail:  arnis.treimanis@edi.lv

Born: February 19, 1940

Interests:

• Wood Chemistry
• Pulping Processes
• Environmental aspects of pulping and papermaking
• Wood Pulp Fiber Properties.

 

Languages: English, German, Russian, Latvian.

Education

• Riga Technical University (Faculty of Chemistry), 1963
• Dr. chem. (Candidate of Science in former USSR, Ph.D. in Western countries), Institute of Wood Chemistry, Riga, 1971
• Dr. habil. ing., Institute of Wood Chemistry, Riga, 1991.

 

Experience

Scientific Consultant (part-time), Ministry of Agriculture, 2000 - 2004

Institute of Wood Chemistry:

• Postgraduate, 1963-1967
• Engineer, 1967-1971
• Senior Researcher, 1972-1984
• Deputy Director and Head of Laboratory, 1984-1993
• Head of Research Group, 1994 - 

Latvian State Forest Service:

• Head of Project Group, Department of Forest Products, 1994 - 1999

Riga Technical University:

• Visitig Lecturer, 1992 -

Latvia University of Agriculture:

• State Professor,1998 -

 

Honours and Awards

• Foreign Member , Royal Swedish Academy of Engineering Sciences, 1994
• Corresponding Member, Latvian Academy of Sciences, 1997
• Member, Academy of Agriculture and Forestry Sciences of Latvia, 1997
• Professor, Latvia University of Agriculture, 1998 -

 

Professional Activities and Memberships

• Editorial Advisory Board for Cellulose Chemistry and Technology, Romania, Iasi, 1990 -
• Representative of  Latvian Association of Pulp and Paper Makers in European institutions
• Member of the American Chemical Society (ACS)

Courses

• Wood Chemistry, Riga Technical University, 1992 -1996
• Pulp and Paper Technology, Riga Technical University, 1994 - 1998
• Wood Chemical Technology, Latvia University of Agriculture, 1998 -

 

Selected Publications

• A.Treimanis. Wood pulp structure and chemical composition, their influence on technological processes.- Nordic Pulp & Paper Research J., 1996, N 3, pp. 146-151.
• A.Treimanis, M.Leite, U.Viesturs, M.Eisimonte. Some aspects of the biological processing of recycled fibers - Proceedings of 5th International Conference on New Available Techniques, Stockholm, June 4-7, 1996, part 1, pp.199-210.
• T.Bikova, V.Klevinska, A.Treimanis. Effect of green liquor pretreatment on pine wood components behaviour during kraft pulping.- Holzforschung, 1997, vol.51.
• A.Treimanis, M.Leite, M.Eisimonte, U.Viesturs. Enzymatic deinking of laser-printed white office wastepaper. - Chemical & Biochem,ical Eng. Quaterly, 1999, vol. 13, N 2, pp. 53-57.
• U.Viesturs, M.Leite, M.Eismonte, T.Eremeeva, A.Treimanis. Biological deinking technology for the recycling of office waste papers. - Bioresource Technology, 1999, vol. 76, pp. 255-265.
• T.Bikova, V.Klevinska, A.Treimanis. Monitoring of lignin and hemicelluloses in spent cooking liquor during kraft delignification. - Holzforschung, 2000, vol. 54, N 1, pp. 66-70.
• A.Treimanis, T.Maloney, V.Klevinska, M.Eismonte, H.Paulapuro. The swelling behaviour of spruce wood cell walls during kraft pulping. - Lenzinger Berichte, 2000, vol. 79, pp. 137-142.
• T.Bikova, A.Treimanis. Solubility and molecular weight of hemicelluloses from Alnus incana and Alnus glutinosa. Effect of tree age. - Plant Physiol. Biochem., 2002, vol. 40, N 4, pp. 347-353.
• T.Bikova, A.Treimanis, M.Eisimonte, V.Klevinska. Relationship between the alkali solubility of hemicelluloses and lignin from unbleached hardwood kraft pulp and pulp bleachability. - J. Pulp & Paper Science, 2003, vol. 29, N.6, pp. 208-212.
• A.Treimanis, U.Grinfelds, M.Skute. The impact of different forest growth conditions on the composition and properties of the pinewood for pulping. - In book: “Chemical Technology of Wood, Pulp and Paper”, published by Slovak University of Technology, Bratislava, 2003, pp. 282-286.
• Bikova T., Treimanis. UV-absorbance of oxidized xylan and monocarboxyl cellulose in alkaline solutions. - Carbohydrate Polymers,  2004, vol. 55, N 3, pp. 315-322.
• Bikova T., Belkova L., Treimanis A. Alkali-resistant chromophores in kraft pulp xylan. - J. of Pulp and Paper Science, 2005, vol. 31, nr.4, pp. 193-196.
• Treimanis A. Advanced traditional methods of analysis of fibre surface layers – a powerful tool in research of lignocellulosics. - La Chimica e l’Industria, 2006, vol. 88, nr. 2, pp. 72-75.
• Dauge K., Treimanis A., Budreiko A. Management of wood residues and recovered wood in Latvia. -  In:  Management of Recovered Wood”, 2007, Klagenfurt, Austria, pp. 229-236.
• Treimanis A., Grinfelds U., Skute M. Are the pulp fiber surface layers the most resistant ones toward bleaching. - Bioresources, 2009, 4 (2), May, pp. 554-565.
• Treimanis A. Should we be refining first, then discarding fines, then bleaching? - Bioresources, 2009, 4 (3), August, pp. 907-908.

Research Projects

• A.Treimanis (Head of Project). Chemical Composition and Properties of the Wood and Kraft Pulp Fibres Obtained in Relationship to the Trees Growth Conditions. Latvian Council of Science (2005 - 2008).
• A.Treimanis (Head of Project). The Properties and Structure of Micronised Cellulose of Different Origin and Hydrolisis Conditions. Latvian Council of Science (2001 - 2004).
• A.Treimanis (Head of Project). The Influence of Heterogenous Hydrolysis of Cellulose on Its Structure and Chemical Properties. Latvian Council of Science (1997-2000).
• A.Treimanis (Head of Project). Extended Kraft Delignification of Spruce Wood. Latvian Council of Science (1994-1996).
• A.Treimanis (Consultant of Project). Prefeasibility Study for a Market Pulp Mill in Latvia. Latvian State Budget (1995-1996).
• Participation in European COST Projects
      Action E41 " Analytical Tools with Applications for Wood and Pulping Chemistry (2004-2008)
      Action E50 "Cell Wall Macromolecules and Reaction Wood" (2005 - 2009).
      Action E54  (2006-2010) (Head of Project)

Last update 05.01.2010