UTSA-16 Growth within 3D-Printed Co-Kaolin Monoliths with High Selectivity for CO2 /CH4 , CO2 /N2 , and CO2 /H2 Separation

ACS Applied Materials & Interfaces
Shane LawsonFateme Rezaei

Abstract

Honeycomb monoliths loaded with metal-organic frameworks (MOFs) are highly desirable adsorption contactors because of their low-pressure drop, rapid mass-transfer kinetics, and high-adsorption capacity. Moreover, three-dimensional (3D)-printing technology renders direct material modification a realistic and economic prospect. In this study, 3D printing was utilized to impregnate kaolin-based monolith with UTSA-16 metal formation precursor (Co), whereupon an internal growth was facilitated via a solvothermal synthesis approach. The cobalt weight loading in the kaolin support was varied systematically to optimize the MOF growth while retaining monolith mechanical integrity. The obtained UTSA-16 monolith with 90 wt % loading exhibited similar textural features and adsorption characteristics to its powder analogue while improving upon structural integrity. In comparison to previously developed 3D-printed UTSA-16 monoliths, the UTSA-16-kaolin monolith not only showed higher MOF loading but also higher compression stress, indicative of its robust structure. Furthermore, the 3D-printed UTSA-16-kaolin monolith displayed a comparable CO2 adsorption capacity to the UTSA-16 powder (3.1 vs 3.5 mmol/g at 25 °C and 1 bar), which was proporti...Continue Reading

References

Feb 19, 1999·Science·S S ChuiI D Williams
Nov 26, 2015·Physical Chemistry Chemical Physics : PCCP·Alessio MasalaSilvia Bordiga
Sep 24, 2016·ACS Applied Materials & Interfaces·Harshul ThakkarFateme Rezaei
Feb 12, 2017·ACS Applied Materials & Interfaces·Harshul ThakkarFateme Rezaei
Apr 26, 2017·ACS Applied Materials & Interfaces·Lalit A DarunteChristopher W Jones
Sep 28, 2017·ACS Applied Materials & Interfaces·Harshul ThakkarFateme Rezaei
Oct 21, 2017·Advanced Science·Adilet ZhakeyevJin Xuan

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Citations

Jan 30, 2020·Nanoscale·Changyou YanXiaolong Wang
May 26, 2021·Environmental Science and Pollution Research International·Suhail Ayoub KhanTabrez Alam Khan
Dec 5, 2020·ACS Applied Materials & Interfaces·Shane LawsonFateme Rezaei
Feb 27, 2020·ACS Applied Materials & Interfaces·Suyun ChuChanglong Jiang

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