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CHEMICAL ENGINEERING

Chemical Engineering Fundamentals I - CHF1501
Year module NQF level: 5 Credits: 12
Module presented in English
Co-requisite: CHE181T & MAT1581
Purpose: The purpose of this module is to introduce students to chemical engineering calculations, chemical equations and its stoichiometry and the basic concepts required in the material balances. Students completing this module will gain skills required in the application of these basic chemical engineering concepts to formulate and solve the material balance equation in batch, continuous as well as simple reactive and multistage systems. The module is part of the Diploma in Chemical Engineering. The module lays the foundation for subsequent chemical engineering modules and introduces the student to basic engineering problem-solving skills.
Transport Phenomena I - TRP2601
Diploma Year module NQF level: 6 Credits: 12
Module presented in English
Pre-requisite: MAT1581 & CHF1501 or CEM2601 Co-requisite: CHF2601 or CPI2601(Only applicable to NDENG)
Purpose: The purpose of this module is to enable the student to apply basic principles of fluid mechanics to solve practical problems. The student will also be equipped with sound knowledge of the fundamentals of mass transfer operations, understanding of molecular diffusion in fluids and know how to evaluate mass transfer coefficients. In this module students will also gain sound knowledge of the basic heat transfer phenomena, which includes an analysis of heat conduction, concepts of heat convection and basic radiactive heart transfer. This module is part of the Diploma in Chemical Engineering.
Drawing: Chemical Engineering I - DCE1501
Diploma Semester module NQF level: 5 Credits: 12
Module presented in English
Purpose: Drawing equipment; SA standard code of drawing: SABS; lettering (letters, numerals & symbols); sketching or free-hand drawing; practical geometry; basic loci and simple mechanisms; conic sections; orthographic projection; isometric and oblique projection; auxiliary views; lines of interpenetration; surface development; sketches: chemical plant; pipe drawings.
Air Quality Control (Chemical) IV - AQC4701
Baccalareus Technologiae Degree Year module NQF level: 7 Credits: 12
Module presented in English Module presented online
Purpose: Identify the constituents of the Atmosphere, Climate and structure of the Atmosphere. Define air pollution, its causes and consequences. Describe the various types of air pollutants their causes and consequences in the atmosphere. Contributions of air pollution on climate change and global warming.
Chemical Engineering Technology II (Practical) - CEMPRA2
Diploma Year module NQF level: 6 Credits: 3
Module presented in English
Co-requisite: CHF2601or CEM2601
Purpose: The purpose of this module is to provide students with an opportunity to apply their theoretical knowledge to relevant problem situations in the Chemical Industry, and to gain exposure to laboratory work, and fundamentals of chemical engineering technology, including mass balances, the fundamentals of fluid flow and related basic knowledge in chemical engineering (e.g. distillation, absorption, pipe fittings, etc.)
Chemical Environmental Engineering IV (Project) - CEE4701
Baccalareus Technologiae Degree Year module NQF level: 7 Credits: 12
Module presented in English Module presented online
Co-requisite: AQC4701 & SWT4701 & WTC4701
Purpose: The purpose of this course is to introduce students to the application of engineering principles in diagnosing and solving broadly defined engineering problems. For these projects, it will be necessary to conduct investigations, research and/ or experiments. It will be important to demonstrate the impact of this engineering project on the society, economy, industrial and physical environment. By the end of this course, the student would be able to apply engineering principles in solving broadly defined engineering problems and to evaluate its impact on the environment, society and economy.
Chemical Engineering Technology III (Module A) (Practical) - CEMPRA3
Diploma Year module NQF level: 6 Credits: 3
Module presented in English
Co-requisite: TRP2601 or CEM311A
Purpose: The purpose of this module is to provide students with an opportunity to apply their theoretical knowledge to relevant problem situations in the Chemical Industry, and to gain exposure to laboratory work, and fundamentals of chemical engineering technology, including the fundamentals of fluid flow (e.g. fluid friction) and related basic knowledge in chemical engineering (e.g. distillation, absorption, heat exchanger, ion exchange resin, ball mill, sedimentation, etc.).
Chemical Engineering Technology IV: Fluid Flow (Module A) - CEM4701
Baccalareus Technologiae Degree Year module NQF level: 7 Credits: 12
Module presented in English
Purpose: Revision: Flow patterns; Newton's law; Non-Newtonian behaviour; Boundary layer; Energy relationships and Bernoulli equation; Momentum changes in fluid motion. Pressure head; Flow per unit area; Compressible and incompressible fluids; Flow of incompressible Newtonian f luids in pipes and channels: Flow patterns in pipes Pressure drop, friction factor and Reynold's number; Calculation of Pressure drop in fittings and curved pipes; Non-circular pipes; Velocity distribution: turbulent and laminar flow; Types of flow as a function of velocity gradient; Flow in open channels; Flow of incompressible Non-Newtonian fluids in pipes: Flow of general time independent non-Newtonian fluids : Laminar and turbulent pressure drops; Pressure drop in pipes for Bingham plastics; Power law fluids: flow and velocity distribution, expansion and contraction losses; Pumping of liquids: Pumps and pumping revisited; System heads; Centrifugal pumps: relations, series and parallel; Positive displacement pumps; Efficiencies; Pump selection; Control valves and pressure; Mixing of liquids in tanks: Mixers and mixing; Types of agitators; Dimensionless groups for mixing; Power curves; Scale up; Purging of stirred tank systems; Flow of compressible fluids in conduits: Energy relationships and equations of state; Ideal gas flow in a horizontal pipe: Isothermal. Non-isothermal, adiabatic (with a constriction); Velocity of propagation of a pressure wave; Compressors; Flow of two phase gas liquid mixtures in pipes: Flow patterns; Pressure drop by the Lockhart and Martinelli method when both; phases are turbulent; Flow measurement: Fluid pressure (static and impact); Measurement of fluid flow (pitot tube, meter nozzle, venturi, orifice, etc); Fluid flow through packed beds; Fluidisation; Unsteady State Flow.
Chemical Engineering Technology III Module B (Practical) - CEMPRB3
Diploma Year module NQF level: 6 Credits: 3
Module presented in English
Co-requisite: CES2601
Purpose: The purpose of this module is to provide students with an opportunity to apply their theoretical knowledge to relevant problem situations in the Chemical Industry, and to gain exposure to laboratory work, and fundamentals of chemical engineering technology, including the fundamentals of fluid flow (e.g. fluid friction) and related basic knowledge in chemical engineering (e.g. distillation, absorption, heat exchanger, ion exchange resin, ball mill, sedimentation, etc.).
Chemical Engineering Technology IV: Heat and Mass (Module B) - CEM4702
Baccalareus Technologiae Degree Year module NQF level: 7 Credits: 12
Module presented in English Module presented online
Purpose: Revisit basic heat transfer: Applied conduction: 1-D steady-state; Conduction through cylindrical pipes and multiple cylindrical shells; Radial conduction through spheres; Multi-dimensional heat conduction; Radiation: Ideal radiators; Non-Ideal radiators; Radiation Exchange; Heat transfer by radiation: Laws, radiation from real surfaces, radiation combined with convection and conduction; Convection II: Fundamentals: heat transfer coefficient and evaluation thereof; Boundary layer energy transfer mechanism, Nusselt modulus, dimensional analysis; Forced convection inside tubes and ducts: Effect of Reynolds number and Prandtl number, laminar flow and turbulent flow; Forced convection over exterior surfaces: Flow over bluff bodies; cylinders and spheres and tubes in bundles, application to heat exchangers; Heat transfer with change of phase: Boiling, condensation, freezing and melting; Mass Transfer: Fundamentals of mass transfer: Mass transfer operations, molecular diffusion in fluids, coefficients, analogies between heat, mass and momentum transfer, Simultaneous mass and heat transfer, equilibrium, diffusion between phases, material balances.
Chemical Engineering Practice II - CEP201E
Diploma Year module NQF level: 6 Credits: 60
Module presented in English
Co-requisite: CEP101E or CEP2602
Purpose: Option A: Plant operations and troubleshooting: mastering basic operating skills e.g.: ensuring safe conditions and then operating valves, starting motors, turbines, pumps, compressors, conveyors etc; Handling of equipment specific to the operation concerned; Partaking in project work in order to understand the specific nature of projects e.g.: design of piping system; Optimisation of processes; Troubleshooting projects; Loss control: loss control inspections, Safety inspections/audits; Quality audits management; Overall material and energy balance of plant; Schematic diagrams of unit operations; Analysis of design; Environmental assessment. Exposure to the following would be of benefit but is not compulsory: financial management; ROI calculations; Depreciation; Human resources: planning for and the application of human resources; Industrial relations.
Chemical Engineering IV (Practical) - CHE4PRA
Baccalareus Technologiae Degree Year module NQF level: 7 Credits: 12
Module presented in English Module presented online
Co-requisite: CPD4701, CEM4701, CEM4702 & CEM4703 or SEP4701
Purpose: The purpose of this module is to provide students with an opportunity to apply their theoretical knowledge to relevant problem situations in the Chemical Industry, and to gain exposure to laboratory work, and fundamentals of chemical engineering technology, including the fundamentals of fluid flow (e.g. fluid friction) and related basic knowledge in chemical engineering (e.g. distillation, absorption, heat exchanger, ion exchange resin, ball mill, sedimentation, etc.).
Chemical Engineering Practice: Work Directed Theoretical Learning I - CEP2602
Diploma Year module NQF level: 6 Credits: 60
Module presented in English
Pre-requisite: CHE181T & CHE1PRA & DCE1501& ENN103F & EUP1501 & FIC181C & FIC1PRA & MAT1581 & CEM2601or CHF1501& CEMPRA2 & CHF2601 or CPI2601& ENP291Q & ENP2PRA & INC251U & INC2PR &, MAT2691 & ORC221 & ORC2PRA & PCH241P& PCH2PRA Co-requisite: CEM321B or CES2601& CEMPRA3 &CHP3602 & CPD3601& EMA2601 & TDA3601
Purpose: Work directed theoretical learning refers to practical experience similar to experience which would be gained working in industry. This practical training provides students with an opportunity to apply their technical knowledge to relevant problem situations, and to gain exposure to typical organizational culture, human relations and working conditions. With suitable guidance and supervision, the students will be taught to work independently and to develop an awareness of the ethics and requirements of the working world. The students therefore have the opportunity to develop their talents and to equip themselves to take up their place as citizens of this country by contributing to the well-being of society. Students would be required to attend this particular training at the Chemical Engineering Laboratories, UNISA Science Campus, Florida for a period of six months.
Chemical Process Design IV: Equipment Design (Module A) - CPD4701
Baccalareus Technologiae Degree Year module NQF level: 7 Credits: 12
Module presented in English Module presented online
Co-requisite: CEM4702 & CEM4703 or SEP4701
Purpose: Heat exchanger design: Double pipe; Shell and tube; Plate heat exchangers. Distillation column design: Sieve trays; Valve trays; Packed columns. Cooling tower design; Furnace design; Boiler design.
Chemical Engineering Practice: Work Directed Theoretical Learning I - CEP3602
Diploma Year module NQF level: 6 Credits: 60
Module presented in English
Pre-requisite: CHE181T & CHE1PRA & DCE1501& ENN103F & EUP1501& FIC181C & FIC1PRA & MAT1581& CEM2601 or CHF1501 & CEMPRA2 & CHF2601 or CPI260 & ENP291Q & ENP2PRA & INC251U & INC2PRA & MAT2691& ORC221F & ORC2PRA & PCH241P & PCH2PRA Co-requisite: CEP2602 or CEP101E & CEM321B or CES2601& CEMPRA3 & CHP3601 & CPD3601& EMA3602 & TDA3601
Purpose: Work directed theoretical learning refers to practical experience similar to experience which would be gained working in industry. This practical training provides students with an opportunity to apply their technical knowledge to relevant problem situations, and to gain exposure to typical organizational culture, human relations and working conditions. With suitable guidance and supervision, the students will be taught to work independently and to develop an awareness of the ethics and requirements of the working world. The students therefore have the opportunity to develop their talents and to equip themselves to take up their place as citizens of this country by contributing to the well-being of society. Students would be required to attend this particular training at the Chemical Engineering Laboratories, UNISA Science Campus, Florida for a period of six months.
Chemical Process Design IV: Plant Design (Module B) - CPD4702
Baccalareus Technologiae Degree Year module NQF level: 7 Credits: 12
Module presented in English Module presented online
Co-requisite: CPD4701& RTE4701
Purpose: The purpose of this module is to utilize basic technical principles learnt in previous modules and incorporate various other aspects such as economics, safety, environmental and social issues to design a chemical process plant that would meet the specified needs and requirements. Students will also get an opportunity to utilize a process simulation package (such as ASPEN Plus, Chemcad etc.).
Separation Principles I - CES2601
Diploma Year module NQF level: 6 Credits: 12
Module presented in English
Pre-requisite: MAT1581, CHF1501 & CHF2601 Co-requisite: TRP2601 & CEMPRB3
Purpose: The purpose of this module is to introduce the student to fundamental priciples that apply to the separation of chemical mixtures. The separation processes discussed in this module including both equilibrium and dynamic modeling and a brief overview of representative industrial processes. It is essential for students to have fundumental understanding of the important unit operations used in separation, which they will encounter in chemical industry processes. The course covers ideal binary distilation, single effect evaporation, adsorbtion, gas absorption/stipping, and drying. The knowledge obtained in this course will assist students with operating and troubleshooting these unit operations in the chemical plant.
Project: Chemical Engineering IV - PCE401C
Baccalareus Technologiae Degree Year module NQF level: 7 Credits: 12
Module presented in English Module presented online
Co-requisite: CEM4701 & CEM4702 & CPD4701 & CEM4703 or SEP4701 & PCT401C or PRC4701 & RTE4701
Purpose: 1) Finding a suitable research problem; 2) Literature research: find a suitable research problem; 3) Decide on methodology; 4) Collect relevant data or run appropriate experiments; 5) Analyse or diagnose data; 6) Obtain results; 7) Write a progress report; 8) Write a final report; 9) Give an oral presentation.
Chemical Engineering Fundamentals II - CHF2601
Year module NQF level: 6 Credits: 12
Module presented in
Pre-requisite: CHE181T& MAT1581 & (CHF1501or CEM2601)
Purpose: The purpose of this module is to introduce students to equations of state, such as the ideal gas law and thermodynamic laws, in particular, the principle of conservation of energy. Students completing this module will acquire the skills required in application of these concepts and laws to formulating and solving energy balance problems and combined material and energy balances in chemical engineering situations.
Production Engineering: Chemical Industry IV - PCI401C
Baccalareus Technologiae Degree Year module NQF level: 7 Credits: 12
Module presented in English Module presented online
Purpose: Linear programming; transportation models; integer programming; decision analysis; queuing models; simulation; project management; forecasting; statistical management and sampling.
Chemical Plant III (Module A) - CHP3601
Diploma Year module NQF level: 6 Credits: 12
Module presented in English
Pre-requisite: CHE181T
Purpose: Materials; corrosion; water and wastewater treatment; air pollution; solid waste management and environmental legislation
Process Control IV - PRC4701
Baccalareus Technologiae Degree Year module NQF level: 7 Credits: 12
Module presented in English
Co-requisite: MAT3700
Purpose: The process of this process control module is to enable students to develop process models and analyse the dynamic behaviour of these models. The design and analysis of feedback control systems will be presennted. Furthermore, advanced process control methods will be discussed. Students will develop skills that enable the safe and profitable operation of modern processes while satisfying the plant quality standards.This module forms part of the Bachelor of Technology in Chemical Engineering.
Chemical Plant III (Module B) - CHP3602
Diploma Year module NQF level: 6 Credits: 12
Module presented in English
Pre-requisite: CHE181T
Purpose: Steam plant; cooling towers; reactors; auxiliary equipment: valves, pumps and compressors.
Reactor Technology IV - RTE4701
Baccalareus Technologiae Degree Year module NQF level: 7 Credits: 12
Module presented in English Module presented online
Co-requisite: CEM4702
Purpose: Mole balances: Definition of rate of reaction; General mole balance equation; Batch reactors, continuous-flow, continuous-stirred tank reactor, tubular reactor, industrial reactors; Conversion and reactor sizing: Definition of conversion; Design equations; Batch and flow systems; Applications of the design equations; Reactors in series; Rate laws and stoichiometry. Collection and analysis of rate data: Batch reactor data: Differential method of rate analysis, internal method, least-squares analysis; Experimental design: Finding the rate law, experimental planning. Isothermal reactor design: Design structure for isothermal reactor: Batch operation, design of CSTRs, tubular reactors; Pressure drop in reactors: pressure drop and the rate law, flow through a packed bed, pressure drop in pipes; Reversible reactions. Multiple reactions: Conditions for maximizing the desired product in parallel reactions; Maximizing the desired product in series reactions. Non-isothermal: Energy balance; Nonisothermal continuous reactors at steady state; Equilibrium conversions; Multiple steady states. Catalysis and catalytic reactors: Catalysts: Definitions, catalyst properties; Steps in a catalytic reaction, synthesizing rate law, mechanism, rate-limiting step; Design of reactors for gas-solids reactions: Heterogeneous data analysis for reactor design; Distributions of residence times for chemical reactors.
Chemical Process Design: Principles III - CPD3601
Diploma Year module NQF level: 6 Credits: 12
Module presented in English
Pre-requisite: CEM2601 Co-requisite: CEM321B
Purpose: Introduction to process design principles and codes; Plant layout; Selecting materials of construction; Construction details of: distillation columns, dryers, evaporators, Shell and tube heat exchanger design. Economics aspects in process design: capital cost estimation; economic evaluation of projects.
Separation Principles II - SEP4701
Year module NQF level: 7 Credits: 12
Module presented in Module presented online
Co-requisite: CEM4702
Purpose: The aim of this module is to deepen the student's knowledge of separation principles by focussing on multicomponent mixture distillation, multicomponent gas absorbtion/stripping, extraction, crystallization and multiple -effect evaporation operations. Efficient short-cut methods for multi-components separations will be explored and thereafter the principles behind accurate numerical solution procedures for multicomponent distillation and absorption/stripping processes will be briefly intoduced. The basic design principles and optimal process stages of multiple stage evaporation and crystallization processes will be considered. The knowledge obtained in this course will assist students with troubleshooting, optimization and designing of a complex separation systems in a chemical plant.
Process Control III - PCT3601
Diploma Year module NQF level: 6 Credits: 12
Module presented in English
Pre-requisite: MAT1581 Co-requisite: MAT2691
Purpose: Process and instrumentation diagrams II; Instrumentation: Level, pressure and temperature measurement; Control valves; Control: Define process control technology; Open and closed loop control; P, PI, PD and PID control; Feedforward and feedback control; Typical control systems: Cascade control; Ratio control; Selective control; Split-range control; Reactor control; Boiler control; Control systems documentation; Process safety mechanisms: Alarms, safety trips and interlocks; Hazard analyses and operability studies.
Solid Waste Treatment (Chemical) IV - SWT4701
Baccalareus Technologiae Degree Year module NQF level: 7 Credits: 12
Module presented in English Module presented online
Purpose: Students will be introduced to solid waste treatment concepts. These include properties of solid waste, hazardous waste treatment, air combustion, incineration, wet air oxidation, physical treatment processes, sedimentation, filtration, wastewater treatment, adsorption, ion exchange, water plant residual management and landfill sit design and management.
Thermodynamics (Applied III) - TDA3601
Diploma Year module NQF level: 6 Credits: 12
Module presented in English
Co-requisite: PCH241P
Purpose: Heating and expansion; flow processes; nozzles; refrigeration and cooling; steam; steam generation; steam plant; boiler plant.
Water Treatment (Chemical) IV - WTC4701
Baccalareus Technologiae Degree Year module NQF level: 7 Credits: 12
Module presented in English Module presented online
Purpose: Water Treatment (Chemical) IV is the heart of environmental engineering program. The module introduces the student to different application and uses of multidisciplinary subjects such as Chemistry, Fluid Flow and Unit Operations. The module describes and evaluates different techniques used in water treatment, namely Coagulation and Flocculation, Lime Soda Softening, Reverse Osmosis and Nano-filtration, Microfiltration and Ultrafiltration, Disinfection, Chlorination, UV and Ozone, and Biological Treatment.
Chemical Engineering Practice I - CEP101E
Diploma Year module NQF level: 5 Credits: 60
Module presented in English
Pre-requisite: CHE181T & CHE1PRA & DCE1501 & ENN103F & EUP1501 & FIC181C & FIC1PRA & MAT1581 & CEM2601or CHF1501 & CEMPRA2 & CHF2601or CPI2601 & MAT2691 Co-requisite: CEM321B or CES2601 & CEMPRA3 & CHP3602 & CPD3601 & EMA2602 & TDA3601
Purpose: Safety training as required for the specific workstation; Process monitoring: taking readings and entering logsheets, monitoring readings against standard operating conditions, assisting in instrument calibrations, tasks as required for good housekeeping; Exposure to laboratory work such as: routine distillations, specific gravity, viscosity, ash and moisture determinations, titrations and saponification numbers, gas analysis; Flow diagrams of plants, piping systems- symbols and specifications; Elementary mass balances; Report writing.
Thermodynamics (Chemical Engineering III) - TDC3601
Diploma Year module NQF level: 6 Credits: 12
Module presented in English
Co-requisite: PCH241P
Purpose: Basic concepts and definitions in thermodynamics; the first law of thermodynamics; properties of real and ideal gases; heat effects; the second and third laws of thermodynamics; thermodynamic relationships; thermodynamic properties of mixtures; introduction to adsorption.