WELCOME TO CHEMICAL REACTION ENGINEERING (Spring 2015) Joong Kee Lee http://aempl.kist.re.kr/
Course Structure/Outline Refer to Syllabus
CHEE 309 - TEXTBOOKS/RESOURCES Recommended Text Elements of Chemical Reaction Engineering by H.Scott Fogler, 4th Edition, Prentice Hall Reference Texts Chemical Reaction Engineering by Octave Levenspiel, 3rd Edition, Wiley & Sons An Introduction to Chemical Engineering Kinetics & Reactor Design by C.G. Hill, Wiley & Sons
Grading EVALUATIONS Mid-term Exam 35% Final Exam 45% Assignment + Others 10% Attendance 10% Total 100% Cases of Causing a Failure in This Course Long absence in class (-0.5%/class) Absence in mid-term or final exam
CHE 309: Chemical Reaction Engineering 1) Objective: To learn how to design reactor for carrying out desirable chemical reaction - Determination of unit operation, reactor size, reactor temperature, pressure for the maximization of product Chemical data Intrinsic rate Thermodyanmics Reaction nature Physical Data Rate of Heat, mass and momentum transfer Math Model Solution: Extent of Rxn Reactor Design & Operation Optimization 화학공학기술자의차별성 1 화학반응속도론 2 반응기설계지식
대표적인화학공정의구성
화학반응공학의응용 환경기술 ( 상수, 폐수, 폐기물처리 ) 화학 ( 의약품 ) 생산 Chemical Reaction Engineering 나노입자 ( 태양전지이차전지등에너지소재 ) 합성 반도체 ( 마이크로전자공학 )
에너지소재응용 저비용 / 고효율화합물반도체태양전지소재및공정원천기술개발 저비용비진공 / 저온공정 ( 나노입자, 용액공정, 프린팅공정 ] 개발 저가형플렉서블태양전지흡수층및기판소재개발 고효율박막태양전지구조설계 ( 다층텐덤구조, 나노구조 ] TCO emitter/window wide E g absorber transparent contact shorting junction emitter/window low E g absorber metal contact substrate 저비용 / 고효율연료전지소재및공정기술개발 저온연료전지용저백금 / 고성능전극촉매및전극구조개발 비백금사용고체알칼리연료전지및수전해수소생산적용을위한음이온교환막개발
에너지소재응용 차세대이차전지용고차원복합구조나노소재연구 / 개발 대용량 / 급속충전용이차전지고차원나노구조산화물계양극재료 대용량 / 급속충전용이차전지고차원나노구조금속산화물계음극재료 고내열성이차전지용나노유무기복합체분리막 Si-C nanocomposite granular anode Mesoporous Li/Mn spinel cathode Inorganic NP decorated PET mesh separator
나노입자의합성 Cathode Anode LiMn 2 O 4 4.2 V LiCoO 2 NMC LiFeSO 4 F 3.6 V 4.2-5 V Cathode V Non-aqueous electrolyte Li + Li + Anode Li 4 Ti 5 O 12 1.5 V c a 1.8 V TiO 2 (B) LiFePO4 3.45 V Li 2 FeSiO 4 3.0 V Li x C 6 0.2 V Li x Si y 0.4 V
Various Si Nanostructures for Anodes 1D Si Nano wire and 2D array Materials Silicon nano wire Virus Tempating Nanorod 3D connected Porous materials Inversed Opal Structure Nature Nanotech. 3, 31-37, (2008) ACS Nano, 4, 5366 (2010) Adv. Funct. Mater., 19, 1999-2010 (2009) Meso-porous connected electrode material Si nanoparticle coated CNTs ACS Nano 4, 2233, (2010) Mesoporous silica template Si/carbon impregnation Nano Lett., 8, 2688, (2008)
환경기술관련응용
에너지소재생산기술관련응용 막분리조합형바이오수소가스생산공정 P Anaerobic Bioreactor MF/UF External P Membrane Module CO 2 N 2 P N 2 Gas Effluent (Acetate) Medium Permeate P Retentate Gas - permeable Hollow Fiber Membrane Module P CO 2, N 2 Permeate P H 2 Gas Wastes (O rganics ) Stirrer H2 - selective Membrane Module Bundle of Hollow Fiber Membrane Gas Biofilm Microporous Fiber H 2 H 2 Gas + H 2 H 2 H 2
반도체기술응용 CVD 공정개요 일반화학공정 : ( 반응공정기술 ) Feedstock( 원료 ) Reactor Products( 제품 ) 화학증착 : ( 화학증착반응공정기술 ) Precursor( 전구체 ) 화학증착장치 Thin film( 박막 )
반도체기술응용 CVD Process Technologies 대면적화고효율화 Process Technology Reactor Technology Data feedback 저온화 Process modification Precursor - solid - liquid - vapor - gas Supply rate Transport - vacuum - fluid - plasma uniformity Deposition - energy input - reactivity - substrate Analysis - structure - composition - properties Thin-film process steps
반도체기술응용 여러형태의 CVD 반응기
반도체용대면적산화물박막증착공정기술 분야 CVD 관련기술 기술현황및문제점 필요한기술개발 반도체 - Epi-Si 증착 - 유전체증착 - Barrier 증착 - 배선증착 - SiH 4 CVD - SiO 2 /SiN x (CVD), Ta 2 O 5 ( 개발중 ) - Barrier 증착 - 배선증착 - 대면적화 - BST CVD 및대면적화 - 대면적화 - CVD 공정및대면적화 TFT-LCD Solar cell 초전도체 - 비정질 Si 증착 - 다결정 Si 증착 - 투명전극증착 - 비정질 Si 증착 - 다결정 Si 증착 - Cd Te 증착 - CIS 증착 - YBCO 증착 - 저온CVD에의한비정질-Si 형성 Laser투사로다결정화 ITO(PVD) - 저온CVD에의한비정질-Si 형성 Laser투사로다결정화 - Cd/Te (PVD) - Cu/In/Se (PVD) PVD 개발 - 저온다결정 -Si CVD 공정및대면적화 - CVD 공정및면적화 - 저온다결정 -Si CVD 공정및대면적화 - CVD 공정및대면적화 - CVD 공정및대면적화 - CVD 공정및대면적화 Fuel Cell Membranes - 전극증착 - CVD 개발중 - CVD공정및대면적화 - 선택투과막증착 Al 2 O 3 등 (CVD 개발 ) 대면적화
2015 Chemical Reaction Engineering 강의내용 Module 1: Mole Balances, Conversion & Reactor Sizing (Chapters 1 and 2, Fogler) Special Module: Fluidized Bed Coating Module 2: Rate Law & Stoichiomtery (Chapter 3, Fogler)- Lecture 7,8,9 Module 3: Isothermal Reactor Design (Chapter 4, Fogler) Module 4: Collection and Analysis of Rate Data (Chapter 5, Fogler) Module 5: Finding Rate Laws (Chapter 5, Fogler) Module 6: Multiple Reactions (Chapter 6, Fogler) Module 7: Reaction Mechanisms, Pathways, Bioreactions, and Bioreactors (Chapter 7, Fogler)