Bioprocess Engineering

This subject is not offered in 2013.

Estimated 120 hours

Students should have completed the following subject prior to enrolling in this subject:

CHEN30001 Reactor Engineering (Prior to 2010 CHEN40003 Reactor Engineering)

CHEN30001 may also be taken concurrently

None

None

Credit will not be given for both this subject and the following subjects:

CHEN90009 Fermentation Processes

CHEN90031 Bioprocess Engineering

CHEN30014 Bioprocess Engineering

For the purposes of considering applications for Reasonable Adjustments under the Disability Standards for Education (Cwth 2005) and Students Experiencing Academic Disadvantage Policy, this subject requires all students to actively and safely participate in laboratory activities. Students who feel their disability may impact upon their participation are encouraged to discuss this with the Subject Co-ordinator and the Disability Liaison Unit http://www.services.unimelb.edu.au/disability/

Introduction to Microbiology. Structure and function of biological macromolecules; biochemical pathways; genetics and cellular control processes; cell structure and function; microbial diversity and survey of microbial groups methods for characterisation, cultivation and enumeration of microorganisms; and survey of applications in biochemical and environmental engineering.

Enzymic process. Michaelis-Menten approach. Kinetics of enzyme inhibition. Immobilised enzymes. Batch microbial growth and product formation. Continuous culture. Microbial growth kinetics. Application of Monod model to batch and chemostat culture. Kinetics of product formation. Maintenance energy and endogenous respiration. Design of fermentation processes. Medium formulation and inoculum preparation. Industrial sterilisation processes. Calculation of sterility level. HTST sterilisation. Design of continuous sterilisers. Air sterilisation. Vessel design for aseptic operation. Fermenter design configurations. Aeration of fermenters. Oxygen requirements of microorganisms. Mixing in fermenters. Biochemical separation processes.

Practical work (Microbiology laboratory).

Upon completion of this subject, students will be able to

• Describe the biological and kinetic concepts underlying bioprocesses engineering
• Describe procedures for the design and control of industrial scale fermentation and biological waste treatment processes

• One three-hour examination at the end of semester contributing 70% to the assessment
• One written assignment worth 20%
• Two practical work assignments not exceeding a total of 1000 words contributing 10% to the assessment
• A grade greater than 50% in the exam is required to pass the subject

None

Schuler, M.L. and Kargi F. Bioprocess Engineering – Basic Concepts, 2002 2nd edition, Prentice hall PTD, Upper Saddle River NY

Bailey J.E. and Ollis, D.F. Biochemical Engineering Fundamentals, 1986, 2nd edition, McGraw-Hill NY

This subject is not available as a breadth subject.

The subject will enhance the following generic skills:

• Capacity for independent thought

• The ability to analyse and solve open-ended problems

• The ability to comprehend complex concepts and communicate lucidly this understanding

• Awareness of advanced technologies in the discipline

• Ability to work in a team (practical work component)