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Chemical Engineering

Chemical Engineering. Second Semester. Principle of chemical engineering. Operation process. Unit Operation. chemical process. ( fluid flow ) Crude material Reaction ( heat transfer).

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Chemical Engineering

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  1. Chemical Engineering Second Semester

  2. Principle of chemical engineering Operation process Unit Operation

  3. chemical process ( fluid flow ) Crude material Reaction ( heat transfer) separation processes refinery products by products pure purification

  4. types of process: • Fluid dynamics: principle of momentum • Heat transfer: principle of energy • Mass transfer: principle of mass Obey conservation laws

  5. Fluid flow: Motion of particles in a fluid.Flow of fluids through granular beds and packed beds. Filtration and gravity separators Sedimentation: centrifugal separators Flow of fluids,flow in pipes and channels. Energy and momentum relationships. Pumping of fluids

  6. Heat transfer: Mechanism of heat transfer conduction By convection radiation Film coefficients and heat transfer coefficients. Shell and tube exchangers, the condensation of vapors and boiling liquids.

  7. Mass transferunit operation:separation • Distillation (l--v) • Absorption(吸收)（adsorption 吸附）(v--l) • Liquid—liquid extraction (l--l) • Drying (s—v) • Evaporation • Filtration • Gas cleaning • Sedimentation • crystallization

  8. Chapters teaching hours distillation 15 absorption 12 liquid—liquid extraction 5 drying 6 Membrane separation 2 40 course design 2 weeks Design a distillation column

  9. Marks examination 90% homework 10% Course design-----100% Reference books: 1.Handbook of Separation Technique for Chemical Engineers by P.A. Schwwitzer, 1990 2.Handbook of Separation Technology by R.W. Rousscan,1987

  10. 3.化工原理（下） 天大、华东、大工 4.《化工原理学习指导》 匡国柱主编 大连理工大学出版社

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