Unloading procedures for 31% hydrochloric acid, 40% nitric acid, and 40% hydrofluoric acid, as well as process measures for dealing with residual acid in the pipelines and the air entering the unloading pumps
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In this project, there are processes for unloading 31% hydrochloric acid, 40% nitric acid, and 40% hydrofluoric acid. What measures can be taken to deal with the residual acid in the pipes and to prevent air from entering the unloading pumps? Do tank trucks and storage tanks need gas connection pipes?
Have you found a good solution to this problem?