Facile Synthesis of La-modified CeO2 with Microwave Method for CO2 Adsorption; Korean Journal of Chemical Engineering; Vol. 41, iss. 5

Facile Synthesis of La-modified CeO2 with Microwave Method for CO2 Adsorption; Korean Journal of Chemical Engineering; Vol. 41, iss. 5

Bibliografiske detaljer
Parent link:	Korean Journal of Chemical Engineering.— .— New York: Springer Nature Vol. 41, iss. 5.— 2024.— P. 1521-1534
Andre forfattere:	Kuznetsova S. A. Svetlana Anatoljevna, Khalipova O. S. Olga Sergeevna, Malchik A. G. Aleksandra Gennadievna, Yu-Wen Chen
Summary:	Title screen CO2 capture in air is an important issue nowadays. Cerium oxide has been reported to be a good adsorbent for CO2. However, its adsorption capacity and adsorption strength are not high enough. La-modified CeO2 was used in this study. In this study: a new adsorbent La-modified CeO2 solid solution were prepared from aqueous solution of cerium and lanthanum hydroxides by microwave method. These hydroxides were prepared by precipitation of Ce(NO3)3 and La(NO3)3 solution. The materials were characterized by powder X-ray diffraction, energy dispersive X-ray spectroscopic, scanning electron microscopy, infrared spectroscopy, and nitrogen sorption. The results show that the increasing the lanthanum content leads to a reduction in particle size, and increase in the number of oxygen vacancies in the crystalline structure and the specific BET surface areas of the samples. The La-CeO2 materials contained impurities of nitrate ions in their structure and exhibited high adsorption properties for carbon dioxide at room temperature. The adsorption of carbon dioxide on the materials were in the form of bidentate. La-modified CeO2 has large amount of CO2 adsorption compared to the unmodified one Текстовый файл AM_Agreement
Sprog:	engelsk
Udgivet:	2024
Fag:	Carbon capture CO2 adsorbent Cerium oxide Lanthanum oxide Zero carbon emission Microwave method электронный ресурс труды учёных ТПУ
Online adgang:	https://doi.org/10.1007/s11814-024-00038-z
Format:	Electronisk Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=680205

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