The cost of acquiring and disposing of cleaning chemistry is usually a major contributor to the overall cost of an industrial or precision cleaning process. Removing contaminants from cleaning solutions can potentially extend their useful life and reduce overall cleaning costs. Traditional filters including those of the bag and cartridge variety are commonly used to remove solid (particulate) contaminants …
My previous blog addressed the chemical cost of using too much (or perhaps too little) “soap” in a cleaning process based on chemical cost. Today we look at process issues. You might be saying, “What the heck? So I use too much chemical. Soap is cheap and I look at it as “insurance”.” Well, that “insurance” …
I have talked before on the blog about the subject of chemical concentration and its relationship to cleaning. A couple of recent incidents prompt me to re-address the subject of chemical concentration but from a little different angle. It’s a “no-brainer” that cleaning chemicals are expensive and, with the possible exception of heat and labor, …
Blackstone Ultrasonics was founded in the mid 1950’s in the hope that the addition of ultrasonic agitation to a conventional clothes washer would revolutionize laundering of fabrics. It didn’t take long before it was recognized that ultrasonic techniques weren’t going to be effective – at least not by simply adding ultrasonic transducers to a conventional …
It is no secret that good cleaning followed by poor rinsing can be worse than not rinsing (or cleaning) at all. A single-use rinse using a fresh water spray or a high flow rate or single use immersion rinse are often thought to provide the ultimate rinse. These options, however, are often extremely expensive because they consume …
In this series on filtration I have not mentioned much about filter ratings other than to say that most filters are rated based on the minimum size of particles they will capture. It is important to know that a filter rated at 5 microns, for example, may not prevent the passage of all particles with a …
If a filter is doing its job, its life will be limited. Eventually it will have filtered out and collected enough particles to be severely restricted or totally block liquid flow. When this happens, the filter or filtration media must be replaced. A clogged filter will, at minimum, have process consequences as particle accumulations build up …
It will come as no surprise to anyone who is involved with industrial parts cleaning that rinsing is an expensive but important part of the process. Although it may not reduce your wardrobe to “rags,” proper rinsing can put a sizeable dent in the cleaning budget. Let’s talk a minute about how to reduce the cost of rinsing. The …
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