Environmental Sciences Laboratories I

Code:

L.EA008

Acronym:

LCA I

Keywords
Classification	Keyword
OFICIAL	Natural Sciences - Environmental Science

Instance: 2024/2025 - 2S

Active?	Yes
Responsible unit:	Department of Chemical and Biological Engineering
Course/CS Responsible:	Bachelor in Environmental Engineering

Cycles of Study/Courses

Acronym	No. of Students	Study Plan	Curricular Years	Credits UCN	Credits ECTS	Contact hours	Total Time
L.EA	46	Syllabus	1	-	4,5	39	121,5

Teaching language

Portuguese

Objectives

• Familiarization with laboratory safety procedures.


• Experimentally verify some fundamentals of the chemistry of aqueous solutions.


• Acquisition of elementary knowledge in the measurement of fundamental physical and chemical variables.

Learning outcomes and competences

Familiarization with laboratory safety procedures.

Acquisition of elementary knowledge in the measurement of fundamental physical and chemical variables in waters.

Acquisition of knowledge of Quantitative Analytical Chemistry (volumetric and gravimetric analyses).

Acquisition of knowledge regarding the determination of physical parameters in water and processes of physical characterization of solids.

Working method

Presencial

Pre-requirements (prior knowledge) and co-requirements (common knowledge)

Knowledge of physical chemistry at the level of the 11th year of secondary education.

Program

Module A- Lab techniques for determination of chemical parameters in waters

1- Preparation and standardization of a NaOH solution and a HCl solution

2- Preparation and standardization of a EDTA solution

3- Determination of sulphate in a wastewater

4- Determination of total and permanent hardness of water

5- Determination of the alcalinity and acidity of water

 

Module B- Lab techniques for determination of physical parameters in water

1- Determination of the condutivity and salinity

2- Determination of the suspended and dissolved solids concentration in a wastewater

3- Determination of the dissolved oxygen, saturation, and partial pressure

 

Module C- Laboratory techniques of physical characterization of solids

1- Determination of the density by pycnometry

2- Determination of volumetric weights

3- Determination of humidity

4- Determination of weight loss vs. temperature

5- Execution of fusion tests

Mandatory literature

Clair N. Sawyer; Chemistry for environmental engineering and science. ISBN: 0-07-119888-1
Arthur I. Vogel; Análise química quantitativa. ISBN: 85-216-1311-3
Andrew D. Eaton; Standard methods for the examination of water & wastewater. ISBN: 0-87553-047-8

Teaching methods and learning activities

Execution of scheduled laboratory tests. Short presentations of the adequate procedures. Use of three different laboratories in a rotational system.

keywords

Natural sciences

Evaluation Type

Distributed evaluation without final exam

Assessment Components

Designation	Weight (%)
Trabalho escrito	50,00
Trabalho laboratorial	50,00
Total:	100,00

Amount of time allocated to each course unit

Designation	Time (hours)
Elaboração de relatório/dissertação/tese	40,00
Estudo autónomo	48,50
Trabalho laboratorial	33,00
Total:	121,50

Eligibility for exams

Do not exceed the limit number of absences provided in the SPECIFIC STUDENT EVALUATION REGULATION OF FEUP.

Laboratory classes are mandatory to all students. If students need to miss a class, they should inform the teacher in order to carry out the missing assignment in another class.

Students, who do not complete Continuous Assessment, have to attend the course again in the following academic year.

Calculation formula of final grade

Formula Evaluation: FINAL GRADE (FG): Final Grade comprises the assessment of all practical classes (PC) and four group reports (REP) (two result reports for the module of Chemical Engineering and one global report for each of the other two modules): FG=0.5*REP+0.5*PC, in which:REP= 0.34 REP(Chemistry) + 0.33*REP(Mines)+0,33 (Metalurgy.).

In the case of the module of Chemistry, each report should have a maximum of three pages and they will contribute equally to the classification; the delivery of both reports should be done in paper format not later than the 21th of March and the 4th of April. For the other two modules, the maximum number of pages per report should be not higher than 10. In each report, the minimum grade is 7 (out of 20).

 

PC= (4*PCChem+3* PCMin+ 2*PCMet)/9.

PCChem –The Assessment of the Chemical Engineering module comprises the Continuous Assessment of the classes, which will be based on the assessment of laboratory notebook, where all the preparation of the assignments should be on when the student starts the experimental work (15%); students’ performance at the laboratory (30%); assessment of an individual mini-report with results to be delivered at the end of the class (30%) and the finishing of all (results and discussion) assignment in the notebook in the next week after experimental work was done (20%); behaviour and assiduity (5%).

PCMin - Continuous Assessment of the Mines Engineering module - it will be based on the following criteria: previous preparation of the assignment submitted in the Moodle (15%); students’ performance at the laboratory (30%); individual results sheet, to be delivered at the end of each class (quality of results obtained) (50%); behaviour, punctuality and attendance (5 %).

PCMet - Continuous Assessment of the Metallurgy Engineering module – it will be based on the following criteria: previous preparation of the assignment (15%); students’ performance at the laboratory (30%); assessment of the mini-report with results and discussion to be delivered at the end of the class (50%); punctuality (5%).

Examinations or Special Assignments

No additional or special assignments, beyond those indicated herein, are provided.

Internship work/project

Not applicable.

Special assessment (TE, DA, ...)

Students should be evaluated to all components.

Classification improvement

Only applicable to students, who assisted and obtained approval of the course. For the latter, in accordance with section 10.4 of the Specific Assessment Regulation of FEUP students, students must obtain a subsequent occurrence frequency curriculum of the course.

Observations

Students should be evaluated to all components.