Effluents Treatment

Code:

AMB230

Acronym:

AMB230

Keywords
Classification	Keyword
OFICIAL	Environment

Instance: 2013/2014 - 1S

Active?	Yes
Web Page:	http://elearning2.fc.up.pt/aulasweb0910/course/view.php?id=1345
Responsible unit:	Department of Chemistry and Biochemistry
Course/CS Responsible:	Bachelor in Environmental Sciences and Technology

Cycles of Study/Courses

Acronym	No. of Students	Study Plan	Curricular Years	Credits UCN	Credits ECTS	Contact hours	Total Time
L:CTA	38	Plano de estudos de 2008 até 2015/16	3	-	5	-

Teaching language

Portuguese

Objectives

Scientific and technological training in physical, chemical and biological methods of wastewater treatment 

Specific aims for which the course unit must contribute 1- To know how to apply knowledge and understand problems 2- Capacity to solve problems and establish their own arguments 3- Capacity to collect, select and interpret relevant information on a particular subject in order to justified the solutions, including the analysis of social, scientific and ethical relevant issues. 4- Capacity to communicate information, ideas, problems and solutions, to the public consisting of specialists and non-specialists. 5- Acquiring skills for lifelong learning, with a high degree of autonomy.

Learning outcomes and competences

To allow the development of a scientific and technological understanding of the processes of wastewater treatment taking into consideration the fate of treated water To contribute for trainning professionals competent, versatile, and capable to analyze environmental problems, take wise decisions and find ecological and economically acceptable solutions.

Working method

Presencial

Program

Introduction to the treatment of effluents. Chemical composition of wastewaters. Chemical and physical characteristics Non-metallic inorganic compounds. Metallic compounds. Global organic compounds OD, BOD, COD, TOC, Oils /fats and surfactants. Specific organic compounds. Wastewater discharge in a receiver and pollution. Types of effluents Domestic wastewaters, their properties and composition; Industrial wastewaters, their classification and evaluation of organic pollution; Wastewaters from run-off; Agricultural wastewaters, composition and properties of animal excrement, liquid from fermentation, sources of pollution resulting from plants production. Water characteristics according to their destination of use. Treatment for reuse. Treatment for discharge. Legislation. Physical, chemical and physico-chemical methods of treatment and purification of wastewaters Physical and physico-chemical processes Equalization quantity and quality of wastewaters tanks as part of the technological process; removal of coarse solids; sedimentation, filtration; flotation; clarification; ion exchange; adsorpção; extraction; processes of separation by membranes; degassing, distillation; electrochemical processes; Radiation. Chemical processes Neutralization; precipitation - flocculation and coagulation; oxidation and reduction; incineration. Classification of procedures for the treatment of wastewaters in primary, secondary and tertiary. Examples and applications Biological wastewaters treatment Aims Types of treatment Aerobic, anoxic, anaerobic; of biomass suspended or fixed bed; combined processes. -General characteristics of of wastewater treatment plant with biological treatment - Biological principles of wastewaters treatment Biochemical environment; biochemical transformations; configuration of the biological tank. -Example of application: the process of activated sludge. Mechanisms for removal of organic matter, ecology of the process; control of the process; evaluation of their efficiency; operational problems.

• Laboratory works for the characterization of raw and treated effluents.

Mandatory literature

Tölgyessy J. Ed; Chemistry and Biology of Water, Air and Soil: Environmental Aspects, Elsevier, 1993. ISBN: 13: 978-0444987983
000091990. ISBN: 1-56670-633-5
000060017. ISBN: 0-7167-3153-3
000075241. ISBN: 0-07-112250-8

Teaching methods and learning activities

In addition to formal classes, promotes the learning of the correct interpretation of the questions and planning the answers through the practice of answering to theoretical questions and problems resolution which also aim to: (a) encourage the study throughout the course, and (b) acquiring knowledge, the students acquired interest in the theme which helps to improve training and the final results. Written works (concise and informative) on subjects in the ambit of the curricular unit and their oral presentation are made by small teams (groups of students pre-defined). Guided study visit tours are made to wastewater treatment plants.

Evaluation Type

Distributed evaluation with final exam

Assessment Components

designation	Weight (%)
Exame	70,00
Participação presencial	10,00
Trabalho escrito	20,00
Total:	100,00

Eligibility for exams

Presence in 75% of the total number of sessions.

Calculation formula of final grade

• Evaluation criterion: A- Exam grade: 70% B- Written work: 20% C- Oral presentation of the written work: 10 %

Failure to perform a mini-test or the written work imply the assignment of zero values to these elements of evaluation. • Final score: A x 0,70 + B x 0,20 + C x 0,10 Minimum score to be achieved in the examination: 8,0

• This criterion applies both to the 1 st season and time of appeal.

Special assessment (TE, DA, ...)

Special cases: Written work on a subject in the ambit of the curricular unit and final exam. The final score is calculated as follows: 20 % for the written work and 80 % for the final exam. Minimum score to be achieved in the examination: 8,0

Classification improvement

Final score improvement: Written exam. Final score: Exam score.