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Lecturer(s)
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Bayerová Petra, Ing. Ph.D.
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Filipi Michaela, Ing. Ph.D.
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Course content
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Week 1: Pulp washing. Methods of washing. Washing equipment. Process parameters. Week 2: Countercurrent washing lines. Material balance. Connecting washing stages. Week 3: Countercurrent washing lines with side currents. Washing efficiency. 4th week: Evaporation of leachates. Evaporators. Material and enthalpy balance of a single-member evaporator. Week 5: Multi-member evaporators. Connection methods. Economy of operation. Week 6: Physical absorption. Absorbers with immobile filling. Non-isothermal absorption. Absorption with recirculation of the absorbate. Week 7: Chemisorption. Absorbers with a moving layer of filling. Current absorbers. Week 8: Rheology. Flow of liquids and fibrous suspensions. Pressure loss during the flow of liquids and suspensions through pipelines. Week 9: Pumping fluids and suspensions. Dynamic and volumetric pumps. Week 10: Mixing liquids and fibrous suspensions. Sorting of fiber in vortex sorters. 11th week: Drying thin fibrous materials. Properties of moist air. Mixing of air currents. 12th week: Conventional drying. Drying kinetics of fibrous materials. 13th week: Contact drying on rollers. Impact drying. Ventilation of the drying section of the paper machine.
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Learning activities and teaching methods
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Monologic (reading, lecture, briefing)
- Contact teaching
- 52 hours per semester
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Learning outcomes
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The aim of the course is to acquaint the student with the basic technological processes in the production of pulp and paper with an emphasis on understanding the connections between process events and equipment. In the seminars, technological problems are solved, including the design of unit devices.
The student will get the methodology of calculations of chemical-technological operations used in the pulp and paper industry.
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Prerequisites
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Mastering pulp and paper production technology. Basics of mathematics.
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Assessment methods and criteria
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Oral examination, Written examination
Elaboration of seminar papers from individual operations. Written and oral exam.
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Recommended literature
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Bušmelev, V. A. Processy i apparaty celjulozno-bumažnogo proizvodstva. Moskva: Lesnaja promyšlennost', 1974.
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McCabe, W.L., Smith, J.C., Harriott, P. Unit Operations of Chemical Engineering. McGraw: Hill, 2001.
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Potůček, František. Inženýrství chemického zpracování dřeva II. Pardubice: Univerzita Pardubice, 2009. ISBN 978-80-7395-226-6.
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Potůček, František. Inženýrství chemického zpracování dřeva I. Pardubice: Univerzita Pardubice, 2009. ISBN 978-80-7395-218-1.
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Potůček, František. Úvod k řešení příkladů z papírenského inženýrství. Pardubice: Univerzita Pardubice, 2002. ISBN 80-7194-430-0.
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