De-Oiling: Oil Removal from Water


1 Day





De-oiling Course Description

This one-day 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 separator, Skim Tank, Floatation methods (ISF and IGF), Oil Removal Filters, Centrifuges, Hydrocyclones, Coalescers, and Demulsification methods will be discussed. Additionally, several case studies will be presented and discussed in class.

A complete set of course materials and lunch is included in this course.

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.

De-oiling Course Outline


  •  Oil In Water: Different modes of existence
  • Emulsions: Effective parameters
  • Oil In Water Parameters: TPH, FOG, etc, & Oil Assay
  • Oil Removal Methods: Creaming, Filtration
  • Applicability, Design Basis, Approximate Operation Performance, and Different types of:
  • Skim Tanks & API Separators
  • Gas Flotation Equipments: DAF, ISF, IGF
  • Hydrocyclones
  • Centrifuges: Two phase & Three phase
  • Oil Filtration: Conventional & Ultrafiltration types
  • Coalescers: Plate(PPI, CPI, etc.), Loose media, and Fixed Media Types
  • Adsorption: Activated Carbon & Bentonite
  • Demulsification Methods: Slop treating systems, demulsifier(polymer) injection packages etc.
  • Biological Treatment
  • Historical and Practical Aspects of Deoiling:
  • Deoiling Equipment Timelines
  • Oily and Sludge Streams Out of Deoiling Equipment
  • Operation of Deoiling Equipment (e.g. oil slug)
  • Deoiling Equipment Arrangements
  • Deoiling Comparison Tables and Rules of Thumb
  • Case Studies

Course FAQ

1. How do you select the subjects that are included in your course?
I carefully select the subjects that best relate to common practices in the oil industry. This includes mainly Oil parameters and Oil removal unit operations. The latter comprises gravity separations, floatations, Hydrocyclones, Centrifuges, Oil Removal Filters, Coalescers, and emulsion breaking methods.

2. Which teaching method do you use in your classroom?
My teaching method primarily focuses on transferring knowledge through generalizations, schematics, tables and graphs rather than excessive words. If I have to rely on words alone, I generally use non-technical language to transfer the main idea of a concept. For more information, please refer to this page.

3. Who is your target audience?
My target audience is generally people who deal with oil removal from water in the upstream or downstream operations.

4. How does this target audience affect your method of teaching?
Since my target audience consists of working professionals, my primary concern is ensuring that their limited time allocated for training is used wisely. My course successfully transfers larger chunks of knowledge in fewer hours. I can do this by generalizing the knowledge and converting the topics into simplified, visual examples. I address another common issue of working professionals in that I provide the big picture, when usually they are bogged down in the minutiae of their high-priority projects. I strive to provide a bird’s eye view of the course topics to ensure they take away a greater understanding of the big picture.

5. Are any prerequisites required prior to enrolling in this course?
No, this course doesn’t have any mandatory prerequisites.

6. I have 10 (15, 20) years’ experience in industry. Do you think this course is still beneficial for me?
Absolutely. This course is beneficial to even the most seasoned water treatment professionals because it provides the big picture of current issues, which you most likely haven’t encountered before. This big picture will help you build on your existing expertise new tools to be able to solve new issues that you possibly couldn’t prior to completing the course.

7. If I’m brand new to this topic, will I still benefit from taking this course?
Yes, my course is applicable to a wide spectrum of audiences. On the rare occasion that I cover a topic that may be a bit too advanced to someone without previous exposure to the topic, I will refer you to the appropriate course appendices, which cover the topic in great detail.

8. What should I bring to the course?
Nothing – just your fresh brain!

9. Should I bring my calculator?
No, we will not get into any areas requiring use of a calculator.

10. Do I need to bring my laptop?
No, you will not need your laptop, but you are welcome to use one for note taking. Please note that all course materials will be provided to you.

11. I haven’t performed advanced calculations for a long time – will I be able to complete this course successfully?
Yes, the only calculation that I might need you to do is some basic calculus to apply the “rule of thumbs.”

12. Do you teach any design methods?
The short answer is “no.” However, I arm you with the tools needed to determine if a design “looks” acceptable or not.

13. Do you present anything regarding lab procedures to get of an impurity concentration?
The generation concept of lab procedures for measuring oil content is discussed in my course.

14. Will I get a certificate for attending?
Yes, a certificate of completion will be mailed a few days after you attend the course.

15. After finishing this course, will you be available to answer my question via email?
I am available to answer course-related questions through email. However, if your question requires deep study, thorough calculation or informed judgement, it may be better to discuss a consultancy contract.

16. You have another course “Water Treatment in the Oil Industry”. Which one is more pertinent to me?
It depends. If you are only and deeply dealing with deoiling this course is enough for you. If you are facing with water treatment in the oil industry in general, the water treatment course suits you better.

17. Why should I take this course instead of reading technical books or magazines or going to related seminars?
Each of the learning tools you mentioned has a specific application.
Technical books are good for deep understanding of a concept, but they cannot be updated frequently enough to reflect the steady progress of technology.
Magazines are excellent because they have more recently updated information; however, they usually fail to provide a big picture of their topics.
Seminars are great events that provide opportunities for networking and some new technology knowledge sharing, but not to the level of detail covered in a designated course.
This course provides you from one side the deep understanding of the subject and from the other side the recent practices used in water treatment in the oil industry.

Who has attended this course?

People in the following positions have attended this course:


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