Common Misconceptions About Oil Removal Using Oil Coalescers

Preceding blogs have described oil removal techniques for industrial cleaning in some detail.  It would be nice if this was always a simple consideration – but it is not! The case for using an oil coalescer is pretty clear cut as long as the cleaning chemistry is truly a “splitter” AND, THE OIL IS NOT WATER SOLUBLE.  …

Chemistry – Oil Splitting and Oil Emulsification – Part 2

“Splitting” of oil from a surface as described in a preceding blog is a part of nearly any oil removal process. Note – Even cleaning chemistry that is generally classified as an “emulsifier” has ingredients to promote the initial “splitting” of the oil from the surface being cleaned.  These ingredients are often called “surface active …

Chemistry – Oil Splitting and Oil Emulsification – Part 1

As I have said before on this blog, I am not a chemist.  Whatever I say about chemistry on the blog is expressed in layman’s terms and is based on practical experience and not on any deep understanding I have of the properties of chemicals. The usefulness of any information provided here applies only to …

Six Sigma – Monitoring Variables in Cleaning – Part 3 (final)

A few more things to monitor – Dirty rinse – An effective rinse is critical to most cleaning processes.  Only in very limited cases can residues from the cleaning step be left on parts after they are cleaned.  It does not, of course, do any good to clean the parts if they become re-contaminated by a …

Ultrasonic Cleaning – Benefits of Agitation

I have written before that there are four major variables we consider in cleaning – – Time, Temperature, Chemistry and Agitation. Based on some recent feedback from the field, however, I guess I need to provide a little more emphasis on the benefits and definition of agitation as it relates specifically to ultrasonic cleaning processes. …

Ultrasonic Cleaning Time – Enough is Enough

In The BIG Four, I talked about the four important variables in cleaning. These are time, temperature, chemistry and agitation. In that blog, I mentioned that a shortcoming in one variable can, to a point, be overcome by changing another of the variables. For example, increasing temperature or changing chemistry may reduce the time required …

Six Sigma – Process Selection and Monitoring

In order to achieve six sigma results, one must evaluate, measure and statistically control ALL phases of the cleaning process.  A typical cleaning process is comprised of three main stages – – washing, rinsing and drying.  Each of these must be addressed and controlled separately as any one of the three being out of control …

Six Sigma – – The Role of Cleaning

Achieving Six Sigma Capability Parts Washing “Six Sigma” methodology is one of many tools that can be used to improve process efficiency.  The following several blogs are excerpted from an article written by Dale Bowden of the Cleaning Technologies Group and was published in Process Cleaning Magazine.  Mr. Bowden specifically explores the role of cleaning …