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| LIF5140 | Recovery Process in The Pulp and Paper Mills | 3+0+0 | ECTS:7.5 | | Year / Semester | Spring Semester | | Level of Course | Second Cycle | | Status | Elective | | Department | DEPARTMENT of FIBER and PAPER TECHNOLOGY | | Prerequisites and co-requisites | None | | Mode of Delivery | Face to face | | Contact Hours | 14 weeks - 3 hours of lectures per week | | Lecturer | Prof. Dr. Mustafa USTA | | Co-Lecturer | None | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | Understanding of recovery process in the pape |
| Programme Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | PO - 1 : | define and explain the aims and importance of chemical recovery process in the kraft pulp mills. | 1,2,10 | 1,6 | | PO - 2 : | formulate and calculate material and energy balance during chemical recovery | 2,3,10 | 1,6 | | PO - 3 : | define bottleneck chemical recovery process and solve the problems related dilute black liquor evaporation and recovery boiler operations. | 2,3,10 | 1,6 | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), PO : Learning Outcome | | |
| What does mean recovery? What is aim of this? Realising of recovery process. Washing, evaporating of black liquor. Evaporator types and their operating principles. Burning unit, soda kilns and operating principles. Energy production during recovery process. Recovery techniques of chemicals and other secondary products. Application of recovery processes to the our country mills |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Flowsheet and main steps of liquor recovery unit in the kfatt pulp mill | | | Week 2 | General principles of evaporation of dilute black liquor | | | Week 3 | Types of evaporators and their structure | | | Week 4 | Installation of recovery boiler and their auxiliary parts | | | Week 5 | Combusting of concentrated black liquor in the recovery boiler | | | Week 6 | Recovery of generated heat in the recovery boiler | | | Week 7 | Green liquor preparation and purification of the liquor | | | Week 8 | Chemical mechanizms of causticification of green liquor and application of causticification
| | | Week 9 | Mid-term exam | | | Week 10 | Construction of lime burer, material flows and reactions in the lime burner | | | Week 11 | Elimination of noncondensable TRS gases in the lime burner | | | Week 12 | Settling, filtering and cleaning equipments | | | Week 13 | Cleaning of white liquor after causticification, quiz | | | Week 14 | cooling and storing of white liquor | | | Week 15 | Testing of black liquor | | | Week 16 | End-of-term exam | | | |
| 1 | Hough, G., 1985; Chemical Recovery in The Alkaline Pulping Process, Tappi Press, Atlanta, USA | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | | 1 | 50 | | End-of-term exam | 16 | | 1 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 14 | 42 | | Sınıf dışı çalışma | 2 | 14 | 28 | | Arasınav için hazırlık | 4 | 7 | 28 | | Arasınav | 1 | 1 | 1 | | Ödev | 4 | 10 | 40 | | Dönem sonu sınavı için hazırlık | 8 | 7 | 56 | | Dönem sonu sınavı | 1 | 1 | 1 | | Total work load | | | 196 |
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