Kemiantekniikka - Chemical Engineering

Overview of the fundamentals of adsorption and ion exchange. Dynamics of adsorption and ion exchange columns and the use of equilibrium theory in process design. Industrial scale chromatography. Single column and multicolumn chromatography process concepts, design methods, and process performance. Application examples in biorefining.

The topics are as follows: Fundamentals of solid-liquid separation, filtration methods, operation of filters, cake formation and washing, deliquoring, design and modeling of filters and scale-up. Filter media and blinding. Experimental design in filtration test work.

Membrane processes for treating different biorefinery streams. Membrane materials and modules. Basic phenomena in membrane processes (e.g. fouling, concentration polarisation, osmotic pressure), Separation mechanisms and tailoring of separation, Applications in biorefineries.

Biomass treament and fractionation methods. Thermochemical treatment and fractionation methods (acid and alkaline hydrolysis, steam explosion, organosolv treatment, torrefaction, pyrolysis, etc.). Biochemical treatment and conversion using e.g. enzymes and fermentation.

Kurssi sisältää johdannon yleiskatsauksella kestävistä biopohjaisista tuotteista, biopohjaisista pakkaussovelluksien suojateknologioista, biopohjaisista hygieniatuotteista ja -ratkaisuista, painobiomateriaaleista, biopohjaisista mäntyöljytuotteista. ja biomateriaalit elintarvikesovelluksissa. Perusteet biomateriaalien suunnittelusta, muuntamisesta, synteesistä ja kuitujen, selluloosan (johdannaiset), ligniinin käytöstä eri tuotteissa. Kemiallinen ja mekaaninen modifiointi, erotusmenetelmät, sekoitus- ja kuivausmenetelmät. Tuotespesifikaatiovaatimukset ja karakterisointimenetelmät. Lisäksi kurssi sisältää mielenkiintoisen aiheen ryhmä- ja yksilötehtävistä, jotka liittyvät kestävien biopohjaisten tuotteiden ja ratkaisujen nykytrendeihin.

On this course, the student will learn about the study methods applied in the Biorefineries degree program, modern learning theories, effective on-line learning strategies and tools for personal goal setting. 

Overview of water pollution and treatment processes, Mass balance and hydraulic flow regimes, bioreactors and chemical kinetics, dispersion and mass transfer in different types of reactors, mass transfer and aeration, activated sludge process, process simulation, computational chemistry, and molecular dynamics simulation

Definition of PMT substances; sources and occurrence of PMT chemicals in the environment; human health risk assessment, analytical methods and removal strategies for PMT substances; regulatory measures for controlling PMT substances.

This course is designed to expand students’ knowledge on analytical instrumentation used in the laboratory for monitoring of water quality. The course will cover the following topics: - Introduction of major classes of water pollutants - Preparation of water samples for the analysis - Conventional methods of water analysis - Advanced instrumental water analysis - Online monitoring and sensors applications in water analysis - Case study: Definition, identification, and characterization of microplastics

Planning, implementation, and reporting a research project related to the water treatment process. The project includes a literature survey, planning experimental laboratory work, conducting experiments in the lab, analyzing the results and reporting (written and oral). Lectures and seminar related to the project work are included. The literature survey and planning part will be begun during the period of week 3 and the laboratory experiments, which will be conducted in Mikkeli will be carried out during the period of weeks 8 - 11 as a group. 

Planning, implementation, and reporting a research project related to the water treatment process. The project includes a literature survey, planning experimental laboratory work, conducting experiments in the lab, analyzing the results and reporting (written and oral). Lectures and seminar related to the project work are included. The literature survey and planning part will be begun during the period of week 3 and the laboratory experiments, which will be conducted in Mikkeli will be carried out during the period of weeks 8 - 11 as a group. 

Learning principles of different types of advanced oxidation processes (AOPs) and electrochemical methods for water treatment. Learning how these methods and technologies can be utilized in different applications, particularly for water purification. Economical, technical, and sustainability aspects of the methods will be considered. Real case examples and seminar work will be effectively implemented in order to give a depth understanding of the methods.

Biological wastewater treatment methods, professional terminology, built-up ecosystem, desired metabolism and reactor types, selection of microbes and enrichment, influence of temperature and other conditions on above-mentioned factors, basic knowledge on the biological methods used in removal of carbon, nitrogen and phosphorous, aerobic and anaerobic wastewater treatment, process alternatives and technologies, designing and operating modes of processes, controlling and optimization of processes, novel technologies, recovery of valuable products from waste originating (secondary raw materials) raw materials, aerobic and anaerobic technologies in the treatment of sewage sludges and organic wastes.

The course covers recent topics in chemical engineering related to energy transformation, including generation of renewable hydrogen, carbon capture and utilization, E-fuels, Power-to-X processes, and carbon neutral products and processes.

Gas-liquid contactor theory, sizing principles and equations, calculation examples, computer exercises. Distillation, evaporation, gas scrubbing. In more details described. MATLAB based solution for continuous reactor case. Distillation principles, McCabe-Thiele method for distillation design. Distillation process (trays, reboiler, condenser, reflux), distillation efficiencies, thermodynamics. Mass balances, phase equilibrium calculations (MATLAB). Pxy-diagram, Flash distillation, Bubble temperature calculation, dew temperature calculation, Txy-diagram formulation, Batch distillation simulation program development (MATLAB). Absorption/gas scrubbing Equipment and Structures, sizing equations, Absorber sizing using MATLAB. Evaporation principles, equipment, sizing, sequencing.

Fundamentals of precipitation, crystallization, coagulation and flotation in water treatment and the mechanisms, modelling and process design related to the above methods. Advanced methods in order to enhance treatment processes. Sustainability aspects and recycling possibilities of the produced side streams. The course includes Moodle exercises and project work. The project work will be carried out individually or in small groups.

Circular economy and resource efficiency are important aspect in sustainable development within the industry. The course aim is that students gain the skills needed to ensure that circular economy concepts become adopted into the design, development and operation of mainly metal production processes, during its application, end-of-life stage and recycling.Students carry out project works in groups. The topics are from industry, for example side stream processing in metal and steel producing industry, circular economy, eco-design. Different aspects are emphasized in different projects, depending on the topic.

Background. Solution chemistry of hydrometallurgical solutions. Leaching. Treatment of leach solutions by solvent extraction, ion exchange and adsorption. Metals recovery by precipitation and electrochemical methods.

The topics are as follows: Fundamentals of solid-liquid separation, filtration methods, operation of filters, cake formation and washing, deliquoring, design and modeling of filters and scale-up. Filter media and blinding. Experimental design in filtration test work.

Membrane processes (micro-, ultra- and nanofiltration, reverse osmosis, pervaporation, etc.). Manufacturing membranes, membrane materials and structures, phenomena in membrane processes (fouling, concentration polarisation, etc.). Modules. Separation mechanisms. Characterisation of membranes. Applications.