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Chemical Cleaning-Pigging Your Pipes

by:Mayer     2020-10-03
When there is a need for deep chemical cleaning, there are various processes that one can use. However, it is important to ensure that you are properly trained before performing any of the following techniques. When cleaning with chemicals, there are multiple risks involved. On the other hand, when it is done properly, there will be a nice clean surface that will not need to be replaced due to grime and build up. Let's take a look at a few different ways to clean with chemicals that will successfully renew the area being cleaned. Passivation is a treatment that is used to dissolve iron that has built up on the surface of machinery. If the iron is not removed, the machinery will look like it is rusty due to corroding. This treatment is done by submerging the components into citric acid or nitric acid. If done correctly and without the use of oxidizing salts, the iron will successfully dissolve. Also, an oxide film that is transparent will form on the surface to protect it from any more iron build up. Passivation of stainless steel will not work if it has a nitride surface or carbonized surface. This is because the component's size will be reduced when the nitric acid dissolves the surface. When you are finding a company to complete passivation for you, it is highly important to let them know the exact type of stainless steel that you need cleaned. Once your product is successfully cleaned, there will be a new sheen to it and if it is done properly there will not be a reason to have it cleaned again for quite some time. When talking about cleaning metal with chemicals, one might be interested in knowing more about pipeline pigging. This is the process in which a pipeline inspection gauge (pig) is used to clean the pipes without stopping the flow of fluids through the pipe. When the pig is placed into the funnel at the end of the pipe, the pipe is closed off. Once the pipe is closed, the pressure of the liquid running through the pipe will push the pig all the way through the piping until it reaches the end and all of the gunk will come along with it. This is a very effective way to clean out piping and will not stop the flow of what is coming through the pipe. This way, daily occurrences will not be disrupted.
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