ECTS credits ECTS credits: 4.5
ECTS Hours Rules/Memories Student's work ECTS: 74.25 Hours of tutorials: 2.25 Expository Class: 18 Interactive Classroom: 18 Total: 112.5
Use languages Spanish, Galician, English
Type: Ordinary Degree Subject RD 1393/2007 - 822/2021
Departments: Chemistry Engineering
Areas: Chemical Engineering
Center Higher Technical Engineering School
Call: First Semester
Teaching: With teaching
Enrolment: Enrollable
This optional subject allows students to implement and improve the theoretical concepts acquired within the subjects of the environmental orientation that run before (Environmental Engineering and Water Management and Treatment) and in parallel (Air Pollution Prevention and Treatment).
Its overall objective is therefore to gain an academic-technical training, at small-scale lab and pilot plant level, in the management and operation of treatment systems used in liquid and air streams. By doing so, students will become familiar with equipments and processes that may be found in their future career, and at the same time an specific focus will be paid on safety issues and sustainability.
The course consists of a set of experiments where lab and pilot plant units are operated with relation to treatment technologies, both physical-chemical and biological, more common for liquid and gaseous effluents. The program is divided in two main sections:
Section I. Wastewater Treatment
1.- Aerobic wastewater treatment plant at laboratory scale.
2.- Studies of settling for settlers and thickeners design.
3.- Sludge flotation treatment.
4 .- Coagulation-flocculation assays: Jar-test.
5.- Removal of dyes with fenton reagent
6.- Removal of dyes with ozone
Section II. Treatment of air streams and acoustic pollution
7 .- Solid removal from gaseous streams
8.- Environmental noise maping
Specific aims (per section): The contents of each experiment are described below as the aims of each one.
Section I. Wastewater Treatment
In the activated sludge system, two parameters with importance on operation and design will be analysed: oxygen consumption rate and volumetric mass transfer coefficient. Also a mass balance will be developed to confirm the oxygen consumption rate previously determined. This type of reactor will be analysed based on several parameters (pH, dissolved oxygen, etc).
The students will study, based on settling characteristics of several materials (sand, biological and chemical sludge) the design of desanders, settlers and thickeners. The experimental data allow them the scale-up of slid-liquid units to be used in wastewater plants.
An example of the units used to the separation of low-density solids is the flotation units using dispersed or dissolved air. In this type of experiment the use of dissolved air will be used by the previous saturation of the liquid phase at different pressures producing the clarification of the water and obtaining a thickening sludge.
To complete the studies on settling, several experiments on coagulation-flocculation will be carried out to obtain an optimized settling of solids in the wastewater by the addition of coagulants or flocculants. The main aim of this work is to study the procedure to produce the coagulation using different substances (organic or inorganic) optimizing the amount and pH. An economic analysis will be also performed as an additional criterion.
The Fenton process will be used to treat effluents that involve the presence of industrial dyes to remove the colour. The optimal conditions regard pH, Fe2+ amount and H2O2 amount will be obtained. Under these conditions the overall kinetics will be determined.
Also ozone as oxidizing agent will be used to treat wastewater from textile industry. Several tests will be carried out to obtain the colour removal rate and estimate the possible implementation of this type of technique.
Section II. Treatment of air streams and acoustic pollution
Suspended solids in gas phases will be removed and the influence of main parameters (operation variables and solids characteristics) will be analysed on the basis efficiency of each type of separator. The gas flowrate and solids concentration will be the variables to be studied. Also the influence of size and density of solids will be additional studies. The efficiency of separation will be determined based on solids concentration in each part by filtration.
A sound level meter will be used to carry out a noise map. These experiments consist in determination of noise indices and specially the noise caused by the traffic in previously defined zones proposing different improving measurements.
• Basic Bibliography
Kiely, Gerard. Ingeniería Ambiental. Fundamentos, entornos, tecnologías y sistemas de gestión. Madrid: McGraw-Hill, 1999. ISBN 84-481-2039-6. Signatura A 200 1C
• Complementary Bibliography
Bueno Julio E., Sastre Herminio, Lavín Antonio G. Contaminación e Ingeniería Ambiental Modulo II: Contaminación atmosférica Oviedo: FICYT Edit., 1997. ISBN 84-923131-3-7. Signatura A240 2
Coulson, J.M., Richardson, J.F., Backhurst, J.R., and Harker, J.H. Chemical Engineering: Vol.2 Particle Technology and Separation Processes 4ª ed. Oxford: Butterworth-Heinemann, 1991. ISBN 0-08-037956-7. Signatura 100 2A
Díaz M. Ecuaciones y cálculos para el tratamiento de aguas. Paraninfo. 2019 Madrid. Signatura A212 63 (ISBN: 8428341524 on-line)
Henze, Mogens et al. Wastewater treatment: biological and chemical processes 2ª ed. Berlin: Springer Verlag, 1997. ISBN 3-540-62702-2. Signatura A213 10
Metcalf-Eddy Inc. Wastewater engineering: treatment and resource recovery, 5ª ed. Boston: McGraw-Hill, 2014. ISBN 978-0-07-340118-8
Perry, R.H. et al. Perry Manual del Ingeniero Químico. 7 ª ed. (3ªed. Español) Madrid: McGraw-Hill, 2001. ISBN 84-481-3008-1. Signatura 100 3H
Ramalho R.S. Tratamiento de Aguas Residuales, 2ª ed. Barcelona: Editorial Reverte S.A., 1996. ISBN 84-291-7975-5 Signatura A213 16A
In this course the student will acquire or perform a series of general skills, desirable in any university degree, and a series of specific characteristics linked to Chemical Engineering. Within the framework of competencies that are designed for certification, students will be instructed in the following competencies:
General
CG7 –Analyze the social and environmental impact
Transversal:
CT4 –Use and development of informatics applications.
CT6 –Problems resolution
CT7 –Take decisions
CT8 –Teamwork
CT13 –Apply the knowledge to the practice
CT14 –Adaptation to new situations
CT16 –Sensibility to environmental fields
Specific
CI10 –Basic and applied knowledge to environmental technologies and sustainability
At the beginning of each group, an overview of the subject will be given by focusing on the objectives to be achieved, the different types of experiments available and how the student must face them, the lab notebook, the final lab report as well as the final presentation. Afterwards, students receive information about the safety rules, which must be read and followed.
Students will be distributed in working groups of 3 people (max). Each group is expected to perform 4 experiments.
The Learning Management System (LMS) and MS Teams will be used for communication; using the LMS for providing the manuals and all the complementary information of interest as well.
Table 1 shows the evaluation of competences corresponding to each activity to be carried out.
Table 1. Competences distribution for each activity.
_______________________________________________________
Competences Laboratory work Technical deliverable
CG7······························X······································X
CT4······························X······································X
CT6······························X
CT7······························X
CT8······························X······································X
CT13····························X······································X
CT14····························X
CT16····························X………………………………...........X
CI10·····························X······································X
____________________________________________________
The evaluation of the performance of each student will take into account three different aspects: i) attitude and laboratory work (30%), ii) quality of the final lab report (30%), and iii) oral presentation and defence (40%), where both quality and clarity of the presentation as well as the capacity to answer the questions done by professors will be evaluated.
The student's grade will be a weighted average of the three elements. To pass the subject a minimum performance of 30% is required in all of them.
In the case of not passing the subject at the first opportunity and having done the practicals, at the second opportunity the students will have the option of recovering the part of the subject that they have not passed.
Given the experimental nature of the subject, class attendance is considered compulsory. Students will not be able to pass the subject if they miss more than 4 hours of the experimental sessions, being important to justify their absences.
Next table indicates the competences evaluation planning in each activity.
Table 2. Evaluation of competences.
Activity General Transversal Specific
_______________________________________________________________________
Lab CG7 CT4;CT6;CT13;CT18 CI10
Final report CG7 CT4;CT7;CT8;CT14;CT16 CI10
Exam CG7 CT6
________________________________________________________________________
In cases of fraudulent performance of exercises or probes, the provisions of the Regulations for evaluating student academic performance and reviewing grades will apply.
The course has a workload of 4,5 ECTS (European Credit Transfer System). Each ECTS credit corresponds to 25 hours of total work. For this particular course, the credits are allocated as follows:
Activity····················Face-to-face hours·············Personal work·········· TOTAL
Laboratory··························38···························45······················83
Tutorship·····························1····························2························3
Exam··································5··························· 21,5····················26,5
TOTAL································44···························68,5···················112,5
To succeed in this subject, students need math skills (numerical methods for solving equations and statistical analysis of data) and expertise in topics such as wastewater treatment, gas treatment and fluid mechanics.
Microsoft Word and Excel competence and familiarity in the use of a simulation program is also advisable. A basic level of English is required to make easier the use of books, scientific papers and web sites.
Subject will be taught in Spanish/Galician.
The admission and permanence of the students enrolled in the practical laboratory requires that they know and comply with the standards included in the Protocol of basic training in security matters for experimental spaces of the Higher Technical School of Engineering, available in the security section of the Web. To reach it:
1. Access to ETSE intranet
2. Go to Governance and Management/Safety/Forms for teaching
3. Press the "Protocolo de formación básica en materia de seguridad para espacios experimentales."
Marta Carballa Arcos
Coordinador/a- Department
- Chemistry Engineering
- Area
- Chemical Engineering
- Phone
- 881816020
- marta.carballa [at] usc.es
- Category
- Professor: University Lecturer
José Ramón Lorenzo Llarena
- Department
- Chemistry Engineering
- Area
- Chemical Engineering
- joseramon.lorenzo.llarena [at] usc.es
- Category
- Ministry Pre-doctoral Contract
Adrian Ferreiro Salgado
- Department
- Chemistry Engineering
- Area
- Chemical Engineering
- adrianferreiro.salgado [at] usc.es
- Category
- Ministry Pre-doctoral Contract
| Monday | |||
|---|---|---|---|
| 09:30-14:00 | Grupo /CLIL_01 | Galician, Spanish | Pilot plant. |
| Tuesday | |||
| 09:30-14:00 | Grupo /CLIL_01 | Spanish, Galician | Pilot plant. |
| Wednesday | |||
| 09:30-14:00 | Grupo /CLIL_01 | Galician, Spanish | Pilot plant. |
| Thursday | |||
| 09:30-14:00 | Grupo /CLIL_01 | Galician, Spanish | Pilot plant. |
| 12.19.2024 09:15-14:00 | Grupo /CLIL_01 | Classroom A2 |
| 06.19.2025 09:15-14:00 | Grupo /CLIL_01 | Classroom A2 |