acid cleaning

acid cleaning

[′as·əd ′klēn·iŋ]
(engineering)
The use of circulating acid to remove dirt, scale, or other foreign matter from the interior of a pipe.
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Passivation: An acid cleaning process designed to remove free iron from the surface of corrosion resistant steels.
The company's manufacturing processes include acid cleaning and coating, wire drawing, plating, and annealing.
A series of tests using industry standard acid cleaning followed by ashing analysis produced concentrates grading to 99.
They will probably suggest an acid cleaning treatment.
Peelable masking resins are perhaps the most versatile and have been qualified for surface protection in processes such as grit blasting, shot peening, acid cleaning, plating and anodized coatings.
The researchers created the synthetic nano diamonds through a detonation process and isolated them from the carbon graphite matrix using acid cleaning and ultrasound.
The latter applies here, although, as mentioned earlier, damage may also be done by acid cleaning, especially with hydrochloric acid.
Attributes: convenient liquid, excellent corrosion inhibitor for acid cleaning of copper and brass.
These problems are well known in the pharmaceutical industry, where acid cleaning is the most common corrective action for reactor jacket corrosion and fouling.
Acid cleaning involves the use of acids, both mineral and organic (sulfuric, phosphoric, or citric), in combination with surfactants.