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Copper corrosivity has become a critical indicator of sulfur compounds present after the refining process. Prior to Copper Digital Detection Imaging (CuDDI), measuring corrosivity in petroleum presented a number of challenges.
Corrosion on steel pipelines and tanks can lead to destructive leaks that can cost millions to fix and cause irreversible environmental damage. As a result, industries spend billions each year on corrosion detection and to slow down the natural process of corrosion.
Sensors in modern automotive fuel systems often use silver or silver alloys, which are susceptible to corrosion from sulfur in gasoline. In the past decade, refiners have shifted to producing lower-sulfur gasoline, but the process requires more severe hydro-treating that destroys naturally occurring compounds that give some protection against sulfur-based corrosion.
Contamination in the form of air, which can be foam or entrained air bubbles create adverse effects in machinery and lubricants. Issues such as incomplete oil films, low oil pressures, accelerated oil degradation and additive depletion are all symptoms of high foam tendency, which can produce metal wear, inadequate lubrication, cavitation in pumping and mechanical failures.
Performing foam stability and foaming tendencies of lubricant oils involves a tightly controlled flow of gas — typically air — being dispersed into a measured volume of the test liquid at predetermined conditions of time, air flows and temperatures.
The ANA (Automated NACE Apparatus) is a fully automated single position test apparatus to determine the corrosive properties of petroleum products and other liquid hydrocarbon products that are not water soluble for transport through a steel pipeline.
Efficient heating; reduction of heat loss, Adjustable temperature with LCD display RTD feedback, Versatility for multiple applications; Dry Block Bath – Liquid Free, Less corrosive operation, Heat transferred directly to tubes