Chemical Technologies of Wood

Total Hours in Course81

Number of hours for lectures14

Number of hours for seminars and practical classes2

Number of hours for laboratory classes16

Independent study hours49

Date of course confirmation08.11.2016

Responsible UnitInstitute of Civil Engineering and Wood Processing

Course developer

Andris Morozovs

Dr.chem.

Prior knowledge

Ķīmi1004, Chemistry

Replaced course

MatZ2025 [GMTR2025] Chemical Technologies of Wood

Course abstract

Wood chemical technology studies should cover the theory of wood chemical processing, wood modification, pulp and paper production, charcoal extraction and other wood deep processing processes and the basis for technology. The relationship of chemical technology to woodworking and the use of its residues is considered. The subject of studies also includes basic knowledge of the effects of chemical processing on ecology and society

Learning outcomes and their assessment

Knowledge. The necessary basic and specialised knowledge of technologies to be used in chemical wood recycling and critical understanding of this knowledge according to the highest achievements of wood materials and technology, as well as the ability to demonstrate the understanding and coherence of sustainable use of wood and its deep cascade-type recycling. Quizzes: 1) Chemical construction of wood and chemical technologies preserving fibre structures, 2) Deep chemical processing of wood.
Skills. The skills to use knowledge in the implementation of deep chemical wood recycling and the introduction of new technologies, and to see potential innovations. The ability to use theoretical bases and skills learned to carry out professional, innovative or research activities, the ability to formulate and analytically describe information, problems and solutions in the use of wood materials and technologies, to explain them and to debate them in a reasoned way, both with specialists and with stakeholders. The ability to self-structure your learning, direct further learning and professional development for own and his subordinates, demonstrate a scientific approach to problem solving, take responsibility, and work on an individual basis, make decisions and find creative solutions in a team or, when managing other people's work, in changing or uncertain circumstances. 8 Laboratory works.
• Competence. The competence to acquire, select, analyse and collect information in a competent and independent capacity and use it, take decisions and address problems in the chemical processing of wood and its potential positive and negative impacts on the environment and society, competently explain the development intentions of wood chemical technology to specialists, as well as the relevance of their application to other stakeholders or customers, and participate in wood materials and technologies sustainable development. Evaluation of the results of laboratory works and review of independent studies of literature

Course Content(Calendar)

1.The main chemical components of wood and an overview of their chemical composition. / Lab. Chemical analysis of wood. 2.Non-lignocellulose ingredients of wood and wood chemical structure. / Lab. Chemical analysis of wood. 3.Kinds and significance of wood chemical technologies. / Lab. Determination of wood humidity. 4.Raw materials for pulp and paper production. / Lab. Chemical analysis of wood. 5.Pulp production. / Lab. Detection of extractives in wood. 6.Paper intermediate product technologies. / Lab. Detection of extractives in wood. 7.Technology of paper. / Lab. Hydrolysis of wood. 8.Wood chemical modification. / Lab. Wood hydrolysis. / Quiz Chemical build-up of wood and chemical technologies that preserving its fibre structures. 9.Wood impregnating and thermal modification. / Lab. Determination of sugars. 10.Wood thermal treatments. / Lab. Determination of sugars. 11.Wood composites. / Lab. Detection of inhibitors. 12.Processes and technologies of wood hydrolysis of and their products. / Lab. Detection of inhibitors. 13.Application of nanotechnologies in wood chemical processing. / Lab. Chemical or thermal modification of wood. 14.Wood steam explosion technology. Extraction. / Lab. Chemical or thermal modification of wood. 15.Novelties in wood chemical technology workshop. / Lab. Modified wood properties. /Quiz Wood Deep Chemical Processing. / Paper presentation and their discussion. 16.Novelties in wood chemical technology workshop. / Lab. Properties of modified wood. Paper presentation and their discussion.

Requirements for awarding credit points

The 8 laboratory works must be carried out, the minutes of the laboratory shall be credited, 2 quizzes shall be credited, and the review of at least 20 publications and patents prepared in electronic way, presented and discussed at the workshop

Description of the organization and tasks of students’ independent work

Preparation for quiz tests; preparation of report on publication of chemical processing of wood in scientific journals according individual thematic; drawing up minutes of laboratory work, processing of results obtained from laboratory works

Criteria for Evaluating Learning Outcomes

The overall assessment of studies consists of participation and activity in the classes, evaluations of written quizzes and laboratory work minutes, as well as the performance of independent work. Each of the above studies activities shall form a part of the total mark:
•classes attendance and student’s activity in it - 10%;
•quizzes - 20%;
•assessment of minutes of laboratory works - 30%
•assessment of independent work (Literature Review, presentation on workshop and activity in the discussion) - 40%
Final assessment = the amount of interest earned by the student at 100  10 shall be assessed if each of the above conditions is met at least 50%

Compulsory reading

1.Morozovs A., Irbe I., Bukšāns E. Koksnes ķīmiskā pārstāde un aizsardzība. Rīga: Avots, 2018. 171 lpp. 2.Zaķis G. Koksnes ķīmijas pamati. Rīga: LV Koksnes ķīmijas institūts, 2008. 199 lpp. 3. Bowyer J.L. Forest products and wood science: an introduction. 4th ed. Ames, Iowa: Iowa State Press, 2003. 554 p. 4. Hill C.A.S. Wood modification: chemical, thermal and other processes. Chichester: John Wiley & Sons, Ltd, 2006. 239 p. 5. Twede D., Selke S.E.M. Cartons, crates and corrugated board: handbook of paper and wood packaging technology. Lancaster, Pennsylvania: DEStech, 2005. 517 p.

Periodicals and other sources

1. Baltijas Koks. ISSN: 1407-6667
2. Homes and Gardens. ISSN: 0018-4233
3. Bauen mit Holz. ISSN: 0005-6545

Notes

The study course is included in the compulsory part of the professional higher education study program Wood Processing realized by Forest Faculty

Atsauksmes