The objective of this course is to provide a comprehensive understanding of research in the area of Environmental Materials Science for senior undergraduate students. They are subject to enroll this class for their graduation where they learn how research activities are conducted and how to analyse the results. Attendees should carry out an experimental in the designated laboratory and discuss the experimental results with major advisor. And their research results should be assessed through oral and poster presentations, which are recognized as a graduation requirement thesis.

Lignin is the second most abundant biopolymer after cellulose, and large amounts of lignin were obtained from paper market and bio-refinery process. However, lignin has complicated structure and characteristics compared with cellulose; therefore it has been only used as an energy source for supplying heat in an industrial process. In this lecture, we will learn the basic knowledge about lignin types and characteristics, and then study the chemical modification of lignin and the multi-dimensional fabrication process of it.

Provide various experiences in forest products industry in addition to forest field practice and also provide various experiences and actual knowledge for students. It is able to see the greatness and importance of nature, and also able to see the importance of environmental preservation.

This course provides basic chemical properties of wood and chemical properties and biosynthetic pathway of cellulose, hemicellulose, lignin and extractives. Also, this course provides basic theories on the effects and chemical reaction mechanisms when physical and chemical modifications were processed on the components of wood.

This course deals with fundamental identification andhistology using optical microscope, SEM, and image analyzer, and also macroscopic characteristics (three primary surfaces, earlywood and latewood) of wood, composition and structure of wood cell wall (layering of a mature cell wall), softwood structure (longitudinal tracheids, longitudinal parenchyma cell), hardwood structure (vessel element, vessel arrangement, fibers, rays), and reaction wood.

This course deals with physical properties and mechanical properties of wood. The subject consists of specific gravity of wood and cell wall substance, porosity and solidity of wood, moisture movement in wood, hygroscopicity, shrinking and swelling, thermal and electrical conductivity, acoustical properties, strength and stiffness of wood, and factors affecting mechanical properties.

The purpose of this lecture is to provide basic principles on chemistry and engineering to enhance the power of understanding on chemical engineering process of environmental materials, such as chemical analysis of biomass components, pulping chemistry, papermaking process and bioenergy conversion process of lignocellulosics. The contents of this lecture are mainly composed of fundamental theories about instrumental analysis/analytical chemistry for wood component analysis and fluid unit operation/mass balance for pulping/papermaking process as well as bioenergy.

This course starts with the historical review of the pulp and paper industry and deals with the current status and future prospects of the industry. In addition, It deals with characteristics of woody and non－woody fibers, key equipment, wood preparation process, mechanical pulping process, chemical pulping, bleaching, and chemical recovery process with emphasis on the kraft process through lectures and experiments.

To broaden the concept of bio－composites from traditi- onal wood－based materials such as plywood, particle board and fiberboard to brand－new environmental materials such as bio－composites made of lignocellulosic materials and various organic/inorganic raw materials.

This course deals with properties of workpiece, debarking, cutting mechanism, orthogonal cutting and peripheral milling, cutting action of saw teeth, performance of sawmill, lumber manufacturing and quality, jointing and planing, shaping, boring, veneer cutting, sanding and chipping.

This course deals with the papermaking technology with emphasis on stock furnish, processes and machinery. It covers introduction of the stock preparation processes consisted of pulping, refining, screening and cleaning processes., and introductory discussions of papermaking materials. The papermaking processes and their operating principles ranging from headbox, wire part, presses, dryers and calenders, reel, winder and on-line measurements will be studied. Cylinder formers, multiply forming, tissue forming technology and papermill economics will be discussed. Emphasis is on the fundamentals of stock preparation, paper machine operation and evaluation of the finished product.

This course deals with the fundamental principles of colloid and surface chemistry and their relationship with the interaction of papermaking materials and chemical additives in the wet end of a paper machine system. The topics of retention of fine solids and dewatering are addressed in detail. Application of the various wet end additives including sizing agents, fillers, dry and wet strength resins and others will be described.

This course provides fundamental knowledge of engineered wood for construction and structural elements. We evaluate a quality of engineered wood and grading. And through the experiment, procedure of making the engineered wood will be understood.

This course deals with objectives of drying, properties of wood related to drying, evaluation of drying stress and defects, drying methods such as air drying, kiln drying and special drying of wood. The subject on kiln drying consists of kiln types and features, kiln auxiliary equipment, stacking and loading, sample board, drying schedule and operation of dry kiln. The subject on special drying consists of introduction of high temperature drying, vacuum drying, high frequency drying, platen drying and dehumidification drying.

Woods can provide high valued chemicals through multi staged chemical extraction processes, especially physiologically active chemicals and various functional compounds can be obtained from wood extractives by consecutive series of solvent extraction. This course will deal with extraction process and analysis, investigation of effective chemicals from extractives, biosynthesis of flavonoids and terpenoids, and example of extractives utilization.

The purpose of this subject is to have an experience on the major related industries through on-the-job training, it also enhances the exchange between the academic field and the real world industry. The students can obtain various real world experiences and knowledges. In addition, the invitational lecture, Writing and presentation skills for undergraduate students, Korean/English resume, cover letter and interview skill workshops will be held for the competitiveness of students.

Introduction to the physical, chemical, meteorological and biological principles and parameters of air pollution and waste water treatment processes and to the principles of the unit operations involved. Study of the design parameters and design procedures of waste water treatment systems which include sedimentation, activated sludge process, and other treatment procedures along with the treatment and use of paper mill sludge.
Overview of the waste paper recycling situation and their impact on paper industry. Introduction of the physical, chemical and morphological changes of fibers during recycling. Technologies and principle parameters of deinking processes with emphasis on flotation process. Removal of contaminants in recycled papers, evaluation and control of stickies and improvement of paper properties with the application of new technological developments.

We can make a scale－down model of a plan for real wood houses by oneself. It is helpful to cultivate the detail structure’s knowledge over wood houses and understand to basic structures of wood houses. Also we will analysis the behavior when load and force is loaded to the wood structures and provides foundation knowledge for plywood, shear wall and connection etc. over the wood structures.

Wood preservation for the purpose of effective long－term utilization of woods can provide the durability and dimensional stability, and makes it possible to compensate for disadvantageous physical properties. This course will deal with kinds of wood rot fungi, biodegradation mechanism, basic theory of enzymes, enzyme production and purification, wood biodeterioration, wood preservatives and their characteristics, preservation processes, and finally utilization of wood rot fungi.

The aim of this course is to obtain the knowledge on the principles and measurement techniques of paper properties, and requirements of paper and paperboard as packaging materials. It covers measurement and characterization of the structural, mechanical and optical properties, effects of environment on the properties of paper and board and the interrelationship between paper manufacturing process and properties. And it includes the properties of paper and board used in packaging, utilization, and converting process.

This lecture treats the adhesives and pressure sensitive adhesives which were broadly used in wood, wood－based materials, livings and industry. Students can learn various properties and experimentalmethods. This lecture also treats coatings used in wood, plastic and metallic materials. Students can also learn various properties and experimental methods.

Introduction to the coating and converting technologies to produce value added products including coating, impregnating, calendering, etc. which are mostly associated with surface and specialty coating. Development of printing and imaging technologies and their relationship with paper industry. Evaluation and study of the various coating materials and processes used by the paper industry. Introduction to the blade, air knife, roll, and rod coating technologies and rheological properties of coating colors associated with coating processes. Provides the fundamental principles of drying and supercalendering along with the introduction to the fundamental technologies associated with specialty paper grades including pressure sensitive and thermo sensitive papers. Introduction to the raw materials used for various printing processes and their relationship with paper products. will be able to identify 100-150 species and recall comm! on, and family names for each species without scientific names. Two days to Mts. O-dae and Tae-bak of Gangwon province will be required. Registration for this course is only open to non-forestry 10 major students.Students will be graded on the quality of their participations and activities during trips and lectures.