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De-Oiling: Oil Removal From Water

Methods of removing oil from oil-in-water mixtures | Est. Length: 4hrs

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This course reviews the methods of removing oil from oil-in-water mixtures.
Different modes of oil presence in water will be studied, and main unit operations for deoiling, such as API separators, Skim Tanks, Floatation methods (Dissolved Gas Floatation, Dispersed Gas Floatation), Oil Removal Filters, Centrifuges, Hydrocyclones, Coalescers, and Demulsification methods will be discussed. Additionally, several case studies are available for further study.

Course Outline

1. Oil In Water: Different modes of existence
2. Emulsions: Effective parameters
3. Oil In Water Parameters: TPH, FOG, etc, & Oil Assay
4. Free Oil Removal Methods: Creaming, Filtration
5. Applicability, Design Basis, Approximate Operation Performance, and Different types of:

  • Skim Tanks & API Separators
  • Gas Flotation units: Dissolved type and dispersed type (Agitator type and educator type)
  • Oil Filtration: Conventional & Ultrafiltration types
  • Hydrocyclones
  • Centrifuges: Two phase & Three phase
  • Coalescers: Plate(PPI, CPI, etc.), Loose media, and Fixed Media Types
  • Adsorption: Activated Carbon & Bentonite
  • Demulsification Methods: Slop treating systems, Demulsifier injection
6. Practical Aspects of Deoiling:
  • Oily and Sludge Streams Out of Deoiling Equipment
  • Operation of Deoiling Equipment (e.g. oil slugs)
7. Deoiling Equipment Arrangements

8. Deoiling Comparison Tables
9. Case Studies


Who Should Attend

The De-oiling: Oil Removal from Water course is designed for Process Engineers, Mechanical and Material Engineers, Operation Leads, Project Managers and Planners who are involved in De-oiling design and operation.


Your Instructor


Moe Toghraei MSc. PEng
Moe Toghraei MSc. PEng

Moe Toghraei MSc. PEng., has more than 25 years’ experience in water treatment and deoiling of oil industries and more than 10 years’ as trainer.

He worked in process engineering roles up to lead positions (leading up to 15 process engineers), technical support and consultant. He performed design, troubleshooting, and optimization of deoiling units from 10 years ago in Alberta, Canada. He is currently providing consultation services.

He provides training courses in companies and also on-line courses with University of Kansas and University of Dalhousie. He has trained more than 500 professionals from more than 25 companies in different technical subjects. He also developed some courses for colleges.

Over the last few years Moe has published several articles in “Hydrocarbon Processing magazine” and “Chemical Engineering Magazine”.

Moe has a Bachelor of Science in Chemical Engineering (1990) and MSc in Environmental Engineering (1998). He is also a Licensed Professional Engineer.


Class Curriculum


  Presentation Download
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  Section 1 - Introduction
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  Section 2 - Oil Content; Sampling and Measurement
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  Section 5 - Liquid-liquid Hydrocyclones
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  Section 6 - Centrifuges
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  Section 7 - Filtration and Membrane Filtration
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  Section 8 - Coalescers
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  Section 9 - Demulsification Methods, Dissolved Oil Removal
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  Section 10 - Deoiling Side Streams, General Overview
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  Case Studies
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  Course Quiz
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  Course Feedback
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  Completion Certificate
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Frequently Asked Questions


When does the course start and finish?
The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish.
How long do I have access to the course?
How does 12-month access sound? After enrolling, you have unlimited access to this course for 12 months as often as you like - across any and all devices you own.
What if I am unhappy with the course?
We would never want you to be unhappy! If you are unsatisfied with your purchase, contact us in the first 30 days and we will give you a full refund.

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