An Introduction to Preliminary Wastewater Treatment

J. Paul Guyer, P.E., R.A., Fellow ASCE, Fellow AEI

Course Outline

1.  General considerations
2.  Bar screens
3.  Comminuting devices
4.  Grit chambers
5.  Dissolved air flotation
6.  Wastewater flocculation
7.  References

This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.

Learning Objective

At the conclusion of this course, the student will:

• Learn the characteristics and design basis for bar screens;
• Learn parameters for sizing screen channels;
• Learn how to select and size screening bars;
• Learn the function and basis of design of comminuting device installations;
• Learn the fundamentals of grit chambers;
• Learn about horizontal-flow grit chambers;
• Learn how proportional weirs, Parshall flumes and Venturi flumes are incorporated into grit chambers;
• Learn about dissolved air flotation;
• Learn methods and design factors for wastewater flocculation; and
• Learn how to calculate power requirements for flocculation units.

Intended Audience

This course is intended for civil and environmental engineers, technicians and construction professionals wanting an introduction to the processes, equipment and design considerations for the first phase of wastewater treatment….preliminary treatment.

Benefit for Attendee

This course will give civil and environmental engineers, technicians and construction professionals an introduction to the processes, equipment and design considerations for preliminary treatment of wastewater.

Course Introduction

This is an introduction to design parameters and methods, equipment and processes for the preliminary treatment of wastewater.

About Course Author

Paul Guyer is a registered mechanical engineer, civil engineer, fire protection engineer and architect with over 35 years experience in the design of buildings and related infrastructure.  For an additional 9 years he was a senior-level advisor to the California Legislature on infrastructure and capital outlay issues.  He has designed and supervised the design of hundreds of construction projects requiring the preparation of detailed working drawings and specifications for federal, state and local public agencies and private companies.  He is a graduate of Stanford University and has held numerous national, state and local positions with the American Society of Civil Engineers and National Society of Professional Engineers.

Course Content

The course content is contained in the following PDF file:

An Introduction to Preliminary Wastewater Treatment

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Course Summary

This course will give you an introduction to the processes, equipment and design considerations for the preliminary treatment of wastewater streams.

Quiz

Once you finish studying the above course content, you need to take a quiz to obtain the PDH credits.

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DISCLAIMER: The materials contained in the online course are not intended as a representation or warranty on the part of PDH Center or any other person/organization named herein. The materials are for general information only. They are not a substitute for competent professional advice. Application of this information to a specific project should be reviewed by a registered architect and/or professional engineer/surveyor. Anyone making use of the information set forth herein does so at their own risk and assumes any and all resulting liability arising therefrom.

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