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Last updated:

April 11, 2022

Duration:

Unlimited Duration

FREE

This course includes:

Unlimited Duration

Badge on Completion

Certificate of completion

Unlimited Duration

Description

Effects of pollutants on the aquatic environment is a free course.

It begins with an introduction to water and goes on to briefly outline the major sources of water pollution (these being sewage works, manufacturing and industrial plants, the farming and animal husbandry sectors, landfill sites and urban surface water run-off). It considers the major water pollutants and describes the effects they have on water.

Course learning outcomes

After studying this course, you should be able to:

  • List the major sources of water pollutants;
  • Describe the effects on water due to organic materials, plant nutrients and toxic, physical and biological pollutants;
  • List the main diseases caused by microorganisms that can be carried by water.

Course Curriculum

  • Introduction 00:15:00
  • Learning outcomes 00:05:00
  • The hydrological cycle 00:07:00
  • Sources of pollution 00:15:00
  • Organic materials 00:15:00
  • Plant nutrients 00:15:00
    • Toxic pollutants 00:15:00
    • Pesticides 00:15:00
    • Endocrine disruptors 00:10:00
    • Acidity and heavy metals 00:15:00
    • Physical pollutants 00:05:00
    • Suspended solids 00:10:00
    • Immiscible liquids 00:10:00
    • Discharges contributing to a temperature change 00:10:00
    • Discharges causing variations in flow rate 00:10:00
    • Substances causing taste, odour and coloration 00:05:00
    • Biological pollutants 00:10:00
    • Pathogenic bacteria 00:07:00
    • Coliforms 00:10:00
    • Faecal streptococci 00:03:00
    • Clostridium perfringens 00:10:00
    • Viruses 00:10:00
    • Protozoa 00:07:00
    • Helminths 00:07:00
    • Other biological pollutants 00:10:00
    • Typical pathogens 00:10:00
    • Conclusion 00:15:00

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