The high-pressure sorptomat - a novel apparatus for volumetric sorption studies under isobaric high gas pressure conditions

• Autorzy: Kudasik Mateusz , Anioł Łukasz , Skoczylas Norbert

Identyfikatory

DOI

10.24425/mms.2022.143069

• Języki publikacji: EN

Abstrakty

EN

As part of the work the high-pressure sorptomat - a novel apparatus for sorption tests under conditions of high gas pressure was developed. The sorption measurement is carried out using the volumetric method, and the precise gas flow pressure regulator is used in the device to ensure isobaric conditions and regulate the sorption pressure in the range of 0-10 MPa. The uniqueness and high precision of sorption measurements with the constructed apparatus are ensured by the parallel use of many pressure sensors with a wide measurement range as well as high precision of measurement - due to the use of precise pressure sensors. The obtained results showed, i.a. that the time of reaching the isobaric conditions of the measurement is about 6-7 seconds and it is so short that it can be considered a quasi-step initiation of sorption processes. Moreover, the results of the measurement pressure stabilization tests, during the CO₂ sorption test on activated carbon, have shown that the built-in pressure regulator works correctly and ensures isobaric sorption measurement conditions with the precision of pressure stabilization of ±1% of the measurement pressure. The maximum range of sorption measurement using the high-pressure sorptomat is 0-86 400 cm³/g, and the maximum measurement uncertainty is ±2% of the measured value. The activated carbon sample used for the tests was characterized by a high sorption capacity, reaching 104.4 cm³/g at a CO₂ pressure of 1.0 MPa.

Słowa kluczowe

EN

sorptomat; sorption; high-pressure apparatus; volumetric method

• Wydawca: Komitet Metrologii i Aparatury Naukowej PAN
• Czasopismo: Metrology and Measurement Systems
• Rocznik: 2022
• Tom: Vol. 29, nr 4
• Strony: 607--620
• Opis fizyczny: Bibliogr. 29 poz., fot., rys., wykr., wzory

Twórcy

autor

Kudasik Mateusz

• Strata Mechanics Research Institute of the Polish Academy of Sciences, ul. Reymonta 27, 30-059 Cracow, Poland

autor

Anioł Łukasz

• Strata Mechanics Research Institute of the Polish Academy of Sciences, ul. Reymonta 27, 30-059 Cracow, Poland

autor

Skoczylas Norbert

• Strata Mechanics Research Institute of the Polish Academy of Sciences, ul. Reymonta 27, 30-059 Cracow, Poland

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Uwagi

1. The work was carried out under the Own Research Program, project no. FBW/2019/01, financed by the Strata Mechanics Research Institute of the Polish Academy of Sciences.

2. Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).