Environmental Biotechnology

Scholar Year: 2018/2019 - 1S

Courses

Head Teacher Responsability Ricardo Manuel Nunes Salgado Head

Weekly workload Hours/week T TP P PL L TC THE EL OT OT/PL TPL S Type of classes 4 2 Lectures Type Teacher Classes Hours Theorethical and Practical classes Totals 1 4,00 Laboratories Totals 1 2,00

Teaching language

Portuguese

Intended learning outcomes (Knowledges, skills and competencies to be developed by the students)

-Identify different types of kinetics associated with chemical reactions;
-Establish difference between different types of chemical reactors and reactor size suited for a particular chemical reaction;
-Identifying different types of microorganisms which develop in biological sys. and remove substrates (carbon, nitrogen and phosphorus);
-Establish difference between various types of biological reactors and establish the respective mass
balances to determine kinetic parameters of biological process;
-To know how to combine different reactor sequences for carbon, nitrogen and phosphorus removal and establish sampling points required to monitoring the reactors and perform mass balances;
-Interpret results obtained from monitoring reactors combining different analytical parameters in order to understand the biological process;
-Having knowledge of mass transfer processes applied in the aeration biological reactors and processes fixed biomass (with and without diffusion limitations).
- To know about biological uses for biofuel and biomass production to obtain energy.

Syllabus

I – Introduction
II – Chemical reaction kinetics
III - Chemical reactors: Types of reactors; modeling chemical reactors in steady and non-steady state.
IV –Microbial kinetics: Kinetic models, microorganism’s growth, and factors limiting its growth.
V - Bioreactors Fundamentals: Types of reactors and biomass separation processes. Biological reactors modeling: chemostat with and without recirculation. Tubular reactor with and without recirculation.
VI - Reactors and biological treatment of water: treatment process for biological removal of C, N and P.
VII - Aeration and mixing in biological reactors: Mass transfer system gas - liquid biological processes. Determination of coefficient of mass transfer. Experimental methods for determining mass transfer coefficients.
VII - Biofuel and biomass energy

Demonstration of the syllabus coherence with the UC intended learning outcomes

The first part of the syllabus covers a set of concepts that revision of chemical kinetics needed for
modeling and dimensioning of chemical reactors. These concepts allow students to acquire the skills
related to the design, monitoring and determination of kinetic parameters beyond the realm of the
operation of chemical reactors. Similarly , in the 2nd half of the program is addressed the kinetics of
microbial growth to scale the different types of biological reactors used industrially and particularizing to the case of modeling biological reactors used in the environmental area such as activated sludge and
biofilter. With the knowledge of the mathematical models applied to biological reactors, students learn
skills to modify procedural characteristics and operation of the reactors. At the end of the program
addresses the concepts related to oxygen transfer and the oxygen needs in aerobic biological reactors.

Teaching methodologies

Expository part, being privileged interactive training even in introduction of theoretical concepts and using problem solving in practical classes. Seeks to lead students to draw conclusions, guiding them in this process. In laboratory classes, students perform experimental work according to protocols, further
elaborating reports.

Demonstration of the teaching methodologies coherence with the curricular unit's intended learning outcomes

The Biological treatment process has a strong laboratory component, intending to illustrate in practice the theoretical concepts and develop in students: (1) the ability to experiment and apply the scientific method;
(2) the technical skills and 'know-how' associated to the chemical and biological reactors laboratory; (3) team work; (4) establish critical ideas and interpretation of the experimental results. The teaching methodology uses the lecture and expositive method of the program contents, and with the support of slides that accompany the class. Examples and case studies and solving some exercises calculation of some parts of matter are presented in order to the students better understand the concepts and apply them in practice if they need work in operation and monitoring chemical and biological reactors. All lesson materials and syllabus is provided in the Moodle platform. The way it develops the teaching methodology of the course enables students obtaining great success in the biological treatment processes CU.

Assessment methodologies and evidences

The assessment of theoretical component is performed by continuous assessment by
conducting four tests or final exam.
The laboratory evaluation will be based on the calculations of all laboratory work in the classroom with computers and delivery only 2 detailed lab work. The work delivered in the form of article will be orally presented and discussed at the end of the semester. The final grade is obtained by weighting of 65% for TP in tests or exam and 35% for PL work. Oral discussion of work delivered through presentation represents 30% in evaluation of research or experimental. Both components of evaluation need to be higher than 9.5.

Bibliography

[1] Nunes dos Santos, A.M.. Reactores Químicos - vol. I, Fundação Calouste Gulbenkian, 1990.
[2] Francisco Lemos, José Lopes, Ramôa Ribeiro. Reactores químicos, IST Press, 2002
[3] Adélio M.M. Mendes, Laboratórios de Engenharia Química, FEUP Edições, 1ª edição, 2002.
[4] M. Manuela da Fonseca, José A. Teixeira, Reactores biológicos - fundamentos e aplicações, 1ª edição, Lidel, 2007
[5] W. W. Eckenfelder, Industrial Water Pollution Control, McGraw-Hill, 2nd edition (1989) and 5th edition, 2000.
[6] James E. Bailey, David F. Ollis, Biochemical Engineering Fundamentals, McGraw Hill, 2nd Edition, 2000.
[7] George Tchobanoglous, Franklin L. Burton, H. David Stensel, Wastewater Engineering – Treatment, Disposal, Reuse, Metcalf & Eddy, McGraw-Hill, 3rd edition (1995) and 4th edition (2003).