Wastewater Treatment and Recycling | Free Online Course | Alison

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Advanced Diploma in Wastewater Treatment and Recycling

In this course, you will learn how wastewater can be treated using different reclamation techniques.

Environmental Studies
Free Course
This free online course examines water treatment technologies and their applications, such as producing usable water from wastewater. The course covers the theories and principles involved in wastewater treatment. Topics include wastewater treatment units, treatment systems and processes, re-use criteria and recycling. This course will be of interest to those studying engineering or environmental-related subjects.
  • Duration

    20-30 Hours
  • Certification

  • Mobile Friendly

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This free online course explores the principles, theories and technologies involved in wastewater treatment and recycling. In this instructor-led, video-based course you will examine the causes and characteristics of wastewater, including issues such as input waste, space and financial budgets.

You will examine numerous treatments and approaches and tackle issues including scope, demand, decision making and recycling requirements. You will learn about natural and unnatural pollutants and specific treatment units and processes. Issues and challenges associated with conventional treatment processes are discussed, including why some cities fail to achieve desired outcomes or sufficient water quality.

Finally, you will analyse various recycling options and regulatory requirements. This course will be of interest to those studying engineering or environmental-related subjects, as well as those working in government and service industries. Start this course here.

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Introduction to Wastewater

Wastewater Generation and Characteristics

Quality Parameters

Pollutants in Wastewater

Preliminary and Primary Treatments

Secondary Treatments

Anaerobic Process

Sludge Management

Tertiary (Advanced) Treatment Processes

Current Treatment Approaches

Wastewater Recycling

Technology Selection and Decision Making

Course assessment

Learning Outcomes

Having completed this course you will be able to:

  • Recognize the value of wastewater as a resource
  • Summarise the causes of wastewater generation
  • Evaluate technologies for wastewater treatment
  • Explain the main approaches and techniques for wastewater treatment
  • Discuss issues and challenges in wastewater treatment and recycling


All Alison courses are free to enrol, study and complete. To successfully complete this Diploma course and become an Alison Graduate, you need to achieve 80% or higher in each course assessment. Once you have completed this Diploma course, you have the option to acquire an official Diploma, which is a great way to share your achievement with the world. Your Alison Diploma is:

Ideal for sharing with potential employers - include it in your CV, professional social media profiles and job applications
An indication of your commitment to continuously learn, upskill and achieve high results
An incentive for you to continue empowering yourself through lifelong learning

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