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The Journal of Mineralogical Society of Poland

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Data Preprocessing and Its Influence on the Adsorption Capacity of Calculated Shale. Comparison of Selected Methods: A Case Study

Patrycja Waszczuk
  • Politechnika Śląska, Wydział Górnictwa i Geologii, Instytut Eksploatacji Złóż, Zakład Technologii Wydobywczych, Przeróbczych i Gospodarki Odpadami, ul. Akademicka 2, Gliwice, Poland
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Published Online: 2017-12-01 | DOI: https://doi.org/10.1515/mipo-2017-0018


This article discusses the impact of choosing a data preprocessing method for the calculated gas density necessary to determine the sorption capacity of a material. The sample of gas-bearing shale was subjected to a volumetric sorption test. The obtained data, pressure and temperature were preprocessed by three methods: moving average, polynomial regression and locally weighted scatterplot smoothing. The results include the excess and absolute sorption calculated from data that were filtered, and data without pre-treatment and Langmuir isotherms’ coefficients for every case.

Keywords: data preprocessing; sorption capacity


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About the article

Received: 2017-04-21

Accepted: 2017-12-05

Published Online: 2017-12-01

Published in Print: 2017-12-01

Citation Information: Mineralogia, Volume 48, Issue 1-4, Pages 157–165, ISSN (Online) 1899-8526, DOI: https://doi.org/10.1515/mipo-2017-0018.

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© 2018 Patrycja Waszczuk, published by Sciendo. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. BY-NC-ND 4.0

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