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Let’s look at Dirty Liquids – Liquid Filtration I& II – July 8 & 15, 2020

More cool stuff from the Waterloo Filtration Guy. This week’s course was given by Mr. Bob Burkhead President of Blue Heaven Technology, well known for its ground breaking work in testing of air filters and media. He reviewed and explained all of the ways to test and evaluate Air Filter products and how to interpret the values you get back from the testing source. He also showed how the size of the particle contaminant influences the ways it can be filtered using a number of practical examples. He also reviewed the filtration mechanisms involved in capturing these contaminants and some of the more recent filter guidelines. The graphics below shows just how different particles are in size.













We also reviewed the fundamental concepts of air resistance and air penetration as see below:

Penetration = What passes through the filter :

P% = 100 X (downstream /upstream) P % = 100 – E%

Efficiency = What is captured by the filter (reciprocal of penetration):

E% = 100 X (1- downstream/upstream) E % = 100 – P %

Bob also covered the steps involved in filter development and the crucial things that must be considered when in the design phase. We reviewed the global test standards and compared each as it relates to the filter efficiency and performance comparisons country to country and how to relate them. This was a really great course and we learned a lot from Bob’s expert instruction .


The next course will move into areas we have not yet discussed and will introduce you to a numbers of terms that you may not have heard before so taking both of these courses really is important. As the Waterloo Filtration Guy I strongly urge you to take this course on Liquid Filtration and to sign up for our Certified Filtration & Separation Specialist program it is definitely worth the money.


Next Wednesday July 8th will start our journey into the myterious world of liquid filtration which is quite different to that of air filtration. Dr. Wu Chen – Principle Scientist at Dow Chemical will lead our first two courses on Liquid Filtration on July 8 & 15 and they promise to be very enlightening.



The course is designed for certifying professionals as a specialist in solid/liquid separation. Separation of particles from a liquid can be accomplished by using a filter medium or by using some other means. This course will focus on the filtration from industrial application perspective. Practical information and examples are used to allow the audience good understanding and appreciation of this technology. The curriculum is basically designed for people who are new to the filtration industry either in technical, sales or business functions. But it could be used as a refresher for those who have been in the industry for years.


Take it from the Waterloo Filtration Guy there are hundreds of ways to filter liquids and many of the fluids are extremely critical as shown below with the blood filter or the hollow fiber filters used in water filtration and chemicals. This course and the following course will be very helpful for understanding the many ways we filter fluids.

















Looking Forward to Future Courses – As a reminder this picture below shows you the complicated methodology that is used to remove contaminants from water which will be addressed later in the course offerings.


The courses offered by Waterloo Filtration Institute provide excellent value for your educational money and can offer you a wealth of information to use in your career, no matter where it takes you.

So again, I ask that you take a look at our training courses at www.wfinstitute.com to learn something new about the world of filtration and get those creative genes sparked up. Become a Certified Filtration and Separation Specialist; even though classes are already started, we can always make room for more and maybe after you look at the courses still available, you will find something of interest; if not, we could add something just for you. We can work with any kind of economic situation and are sure that there is something of interest in our selections. So, please take a look at the courses on our website-you have nothing to lose and everything to gain.


Be Safe !!!  


Waterloo Filtration Guy

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