There are many ways to de-ionize water. Some are small and simple while others are large and complex. The method used is determined by the volume of de-ionized water required and the desired purity. This blog will explore some of the de-ionizing means used in facilities with typical needs for parts cleaning applications. Removal of …
Next to water filtration and “softening,” de-ionization is probably the next most common water treatment. Ions in water interfere with many cleaning processes and cause water spots on drying after rinsing. The common measure of the amount of ions in water is “resistivity.” The more “resistive” water is, the less ions it contains. Water from a municipal …
Some means of reducing water hardness as we’ve described in preceding blogs is an almost universal first step in making water pure enough for most cleaning applications. But water softening only addresses the removal of only a few of many contaminants that are commonly present in our water supplies. The remaining contaminants range from ions …
“Hard” water contains minerals, usually Calcium and Magnesium, that form scale and soap scum. In most cases, soft water is preferred to hard water in industrial cleaning. In some cases it can mean the difference between success and disaster. Since its been a while since we last talked about water, you may want to review a …
Preceding blogs on metrology have introduced some basic concepts which can serve as food for thought. Today, I would like to give you a couple of examples of the practical application of the concepts discussed so far in industrial cleaning applications. Monitoring Contaminant Removal – Everyone wants to know how long it takes for a …
No matter what is being measured, it is critical that the measuring instrument chosen be capable of providing an accurate and repeatable measurement of whatever needs measuring. It sounds simple – – but isn’t. In general, the larger the scale the less accurate an instrument becomes. Let’s use weight as an example. Weighing devices come …
At first it may sound like a “no-brainer,” but deciding what to measure can be a challenge. The first part of that challenge is determining what measurements are required to establish that a particular criteria has been met. The next is to determine if the tools required to perform the required measurements are available and, …
Metrology, simply, is the science of measuring things. Metrology is used extensively in the world of industrial cleaning to both control and quantify cleaning processes. Finding the right equipment and procedures to produce accurate and meaningful results is often a challenge for those without extensive knowledge of the science. The upcoming blogs on metrology are …
Deep in a file drawer in my office on a couple of pieces of paper yellowed by time is an article that, written and published in 1954, is a literal snapshot of the notion and perceived traits of an engineer over 50 years ago – when I was only 9 years old. Every once in a …
Sweep in ultrasonic lingo simply means varying the ultrasonic frequency up and down. A sound clip in an earlier post demonstrated the sound of sweeping the ultrasonic frequency. Single Frequency Sweep In an earlier post we also learned that ultrasonic transducers have a property called “resonance.” Very simply, this means that they will make a …
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