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| Module Availability |
Autumn Semester |
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| Assessment Pattern |
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Unit(s) of Assessment
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Weighting Towards Module Mark (%)
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written 2 hour examination
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80
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Coursework – Design assignment: Water Treatment Processes
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20
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Qualifying Condition(s)
A weighted aggregate mark of 50% is required to pass the module.
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| Module Overview |
| This is a core module to provide students essential knowledge of drinking water treatment and supply. On successful completion of the module, the students are able to show originality in the application of knowledge to specific situations. |
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| Prerequisites/Co-requisites |
Normally a knowledge of applied chemistry and microbiology to Level HE3 or module ENGM055 Applied Chemistry and Microbiology |
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| Module Aims |
· To provide a systematic understanding and critical awareness of the issues involved in producing potable water in both the industrialised and developing world;
· To provide insights from edge of field on designing, and managing lakes and reservoirs;
· To provide a systematic understanding of water treatment and supply process including abstraction, storage and distribution and physico-chemical unit processes;
· To provide a comprehensive understanding of process design and management;
To provide a systematic understanding and critical awareness of the particular issues in designing and operating treatment processes in the developing world. |
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| Learning Outcomes |
On successful completion of the module, you will be able to:
· Show a systematic understanding and critical awareness of the rationale behind water treatment;
· Show a comprehensive understanding of the principles of treatment unit processes and show originality in the application of knowledge to specific situations;
· Show competence in proposing the selection of raw water sources and appropriate water treatment process given geographic, demographic and economic data;
· Comprehensively understand the need for disinfection and the problems in distributing treated water;
· Comprehend the importance of institutional factors especially management, and national and international legislation;
Develop insights of professional practice suitable for management in water utilities, regulating agencies and aid agencies.
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| Module Content |
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· Defining the needs of water treatment – EC directives/WHO guidelines /other international regulations;
· Environmental and water quality management of reservoirs, raw water sources;
· Review of water treatment processes for the industrialised & developing world;
· Unit processes and design guidelines of removing contaminants, including coagulation, sedimentation, dissolved air flotation, disinfection, rapid gravity filtration, activated carbon adsorption, gravel upflow/downflow filters, and slow sand filtration;
· Water treatment in unusual circumstances, oxidation processes and desalination with reverse osmosis;
· Distribution systems;
Operational management of water treatment and auditing technical performance..
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| Methods of Teaching/Learning |
30 hrs lectures, 30 hrs assignment work, 2 hrs examination and 88 hrs independent learning.
Total student learning time 150 hours. |
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| Selected Texts/Journals |
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Water Supply, 5th Ed., AC Twort; DD Ratnayaka; MJ Brandt, Arnold and IWA Publishing, London, 2000. (ISBN 0340 720182)
Required reading
Printed lecture notes and handouts.
Recommended background reading
A comprehensive list of textbooks and journals is available at the Centre for Environmental Health Engineering (CEHE). |
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| Last Updated |
05/10/2009 |
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