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Mass and energy balances
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Mass and energy balances
Code: 143335
ECTS: 6.0
Lecturers in charge: prof. dr. sc. Bruno Zelić
Take exam: Studomat
Load:

1. komponenta

Lecture typeTotal
Lectures 30
Seminar 45
* Load is given in academic hour (1 academic hour = 45 minutes)
Description:
PURPOSE: Application of principles of conservation of mass and energy to chemical, biological and environmental process systems. Introduction to engineering process analysis and calculations for steady and non-steady state systems.


THE CONTENTS OF THE COURSE:
1st week
Basic terms, concepts and techniques used in calculations in chemical engineering. Processes and process parameters. Mass balance (general form, differential balance, integral balance)
2nd week
Mass balance of steady-state process. Mass balance of non-steady-state process. Calculation based on mass balances of steady-state processes (system of linear equations)
3rd week
Mass balances - process without chemical reaction performed in single process unit.
4th week
Mass balances - process with chemical reaction performed in single process unit.
5th week
Mass balances - combustion process.

1st partial test

6th week
Mass balances - process without chemical reaction in multiple process units.
7th week
Mass balance - process with chemical reaction in multiple process units.
8th week
Mass balances - process with recirculation, bypass flow, inlet and outlet streams without and with chemical reaction.
9th week
Energy and chemical engineering. Basic terms in energy balances. General form of the energy balance.
10th week
Energy balance for closed systems. Energy balance for open systems (steady-state processes).

2nd partial test

11th week
Calculations in chemical engineering based on energy balance. Energy balance for single component process. Energy balance for multiple component process.
12th week
Energy balance - process without chemical reaction.
13th week
Energy balance - process with chemical reaction.
14th week
Energy balance - combustion process.
15th week
Simultaneous mass and energy balance. Application of numerical methods in solving of energy balances.

3rd partial test


GENERAL AND SPECIFIC COMPETENCE:
Achieving of basic knowledge needed for solving of practical problems in process analysis using chemical engineering methodology.


STUDENTS TEACHING OBLIGATIONS AND THEIR PERFORMANCE:

Students are required to attend lectures, seminars and seminars in the computer room. Students have the right to take the exam through partial tests.


CONDITIONS FOR TAKING THE EXAM:

Attendance at a minimum of 75% of all lectures, seminars and seminars to be held in the computer room.


TEACHING METHODS:

Lectures, seminars and seminars in the computer room.


METHOD OF EXAMINATION OF KNOWLEDGE AND EXAMINATION:

Partial tests or written exam.


METHOD OF MONITORING THE QUALITY AND PERFORMANCE OF COURSES:

Student survey.


METHODOLOGICAL PREREQUISITES:

Passed exam in the courses Mathematics 1 and Physics 1, the right to take the exam in the course General and Inorganic Chemistry.


COURSE LEARNING OUTCOMES:

1. apply the principles of mass and energy maintenance to the physical, chemical and biochemical processes of the chemical and related industries

2. define process space, system boundaries, and input and output quantities of physical, chemical and biochemical processes of chemical and related industries

3. describe stationary and non-stationary, open and closed physical, chemical and biochemical processes of chemical and related industries

4. set the mass and energy balances of the selected examples

5. sketch simple process diagrams of the chemical and related industries


LEARNING OUTCOMES AT PROGRAM LEVEL:

1. analyze and optimize the processes of the chemical and related industries

2. apply the methodology of chemical engineering in process development

3. manage and plan processes

4. manage and plan time

5. apply mathematical methods, models and techniques in solving case studies


TEACHING UNITS WITH ASSOCIATED LEARNING OUTCOMES AND EVALUATION CRITERIA:

Teaching unit:

1. The mass balance of physical processes

Learning outcomes
- apply the principle of mass maintenance to physical processes
- define process space, system boundaries, and process input and output streams
- set up mass balances
- sketch simple process diagrams of the chemical and related industries

Evaluation criteria
- for a given process, sketch a process diagram, and identify input and output process streams
- determine the basis for the calculation
- apply the law of conservation of mass and set the mass balances of a given process
- solve the system of independent linear equations


Teaching unit:

2. The mass balance of process with a chemical reaction

Learning outcomes
- apply the principle of mass maintenance to physical and chemical processes
- define process space, system boundaries, and process input and output streams
- set up mass balances
- sketch simple process diagrams of the chemical and related industries

Evaluation criteria
- for a given process, sketch a process diagram, and identify input and output process streams
- determine the basis for the calculation
- apply the law of conservation of mass and set the mass balances of a given process
- solve the system of independent linear equations


Teaching unit:

3. Mass balances of multistage processes with or without recirculation

Learning outcomes
- apply the principle of mass maintenance to physical and chemical processes
- define process space, system boundaries, and process input and output streams
- set up mass substance
- sketch simple process diagrams of the chemical and related industries

Evaluation criteria
- for a given process, sketch a process diagram, and identify input and output process streams
- determine the basis for the calculation
- apply the law of conservation of mass and set the mass balances of a given process
- solve the system of independent linear equations


Teaching unit:

4. Energy balances of processes without chemical reaction

Learning outcomes
- apply the principle of mass and energy maintenance to physical processes
- define process space, system boundaries, and input and output process streams
- define the initial and final state of the system
- learn to use existing tables for the purpose of finding the data necessary for calculating energy balances
- sketch simple process diagrams of the chemical and related industries

Evaluation criteria
- for a given process, sketch a process diagram, and identify input and output process streams
- determine the referent conditions
- find the literature data needed to calculate the energy balances with respect to the initial and final state of the system, according to the set referent state
- apply the law on energy conservation and set the energy balances of the given process
- solve the system of independent linear equations


Teaching unit:

5. Energy balances of processes with a chemical reaction

Learning outcomes
- apply the principles of mass and energy maintenance to chemical and physical processes
- define the process space, system boundaries, and input and output process streams
- define the initial and final state of the system
- learn to use existing tables for the purpose of finding the data necessary for calculating energy balances
- sketch simple process diagrams of the chemical and related industries

Evaluation criteria
- for a given process, sketch a process diagram, and identify input and output process streams
- determine the referent conditions
- find the literature data needed to calculate the energy balances with respect to the initial and final state of the system, according to the set referent state
- apply the laws on mass and energy conservation and set the mass and energu balances of a given process
- solve the system of independent linear equations
Learning outcomes:
Literature:
  1. 1. B. Zelić: Nastavni materijali na mrežnim stranicama Fakulteta, 2008.,
  2. 1. M. Brezinščak: Mjerenje i računanje u tehnici i znanosti, Tehnička knjiga, Zagreb, 1966.
    2. T. Cvitaš, N. Kallay: Fizičke veličine i jedinice međunarodnog sustava, Školska knjiga, Zagreb, 1981.
    3. Z. Dugi-I. Lovreček: Osnove kemijskog računanja, Školska knjiga, Zagreb, 1973.
    4. D. M. Himmelblau, Basic Principles and Calculations in Chemical Engineering, Prentice Hall, New Jersey, 1982.
    5. R. M. Felder and R. W. Rousseeau, Elementary Principles of Chemical Processes, J. Wiley, New York, 2000.,
Prerequisit for:
Enrollment :
Passed : Calculus I
Passed : Physics I
Attended : General and inorganic chemistry
3. semester
Mandatory course - Regular studij - Chemical Engineering
Consultations schedule: