I. V. Lavrentyev
St. Petersburg State University of Industrial Technologies and Design
Russian Federation

Lavrentyev Igor V. – PhD student,

198095. Ivan Chernykh str. 4. St. Petersburg

V. M. Gedio
St.Petersburg State Forestry Technical University
Russian Federation

Gedio Vasilii M. – PhD (Technical), Associate Professor, Department of Logging Technology,

194021. Institute per. 5. St. Petersburg

E. I. Simonova
St. Petersburg State University of Industrial Technologies and Design
Russian Federation

Simonova Elena I. – PhD (Technical), Associate Professor of the Department of Paper and Cardboard Technology at the Higher School of Technology and Energy,

198095. Ivan Chernykh str. 4. St. Petersburg

E. Y. Demyantseva
St. Petersburg State University of Industrial Technologies and Design
Russian Federation

Demyantseva Elena Y. – PhD (Chemical), Associate Professor of the Department of Physical and Colloidal Chemistry of the Higher School of Technology and Energy,

198095. Ivan Chernykh str. 4. St. Petersburg