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Salnikov A. V., Shcherbatyuk Y. V.
Evaluation of the effectiveness of the use of solvents for cleaning small-diameter pipelines from asphalt-tar-paraffin deposits

Ukhta State Technical University, Ukhta

In the article the questions of the estimation of the effectiveness of the use of the solvents Azol 4020, Nefras-S2-80 / 120, toluene (methylbenzene), acetone (dimethyl ketone), n-hexane for the cleaning of small diameter pipelines from asphalt and resin paraffin deposits. The results of laboratory studies on the effect of changing the tem-perature of the solvent and the rate of washing on the removal efficiency of asphalt-tar-paraffin deposits from such piping are presented.

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