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Salt Confined in MIL‐101(Cr) – Tailoring the Composite Sorbents for Efficient Atmospheric Water Harvesting Научная публикация

Журнал ChemSusChem
ISSN: 1864-5631 , E-ISSN: 1864-564X
Вых. Данные Год: 2023, Том: 16, Номер: 18, Номер статьи : e202300520, Страниц : 17 DOI: 10.1002/cssc.202300520
Ключевые слова Potable water harvesting from the atmosphere, Adsorption, MIL-101(Cr), Composite "salt/matrix", 2H NMR
Авторы Solovyeva Marina V. 1 , Krivosheeva Irina V. 1 , Gordeeva Larisa G. 1 , Khudozhitkov Alexander E. 1 , Kolokolov Daniil I. 1 , Stepanov Alexander G. 1 , Ludwig Ralf 2
Организации
1 Boreskov Institute of Catalysis, Novosibirsk, Ac. Lavrentiev av. 5, Novosibirsk 630090, Russia
2 Universität Rostock, Institut für Chemie, Abteilung für Physikalische Chemie, AlbertEinstein-Straße 27, 18059 Rostock, Germany

Информация о финансировании (3)

1 Министерство науки и высшего образования Российской Федерации (с 15 мая 2018) 0239-2021-0007
2 Министерство науки и высшего образования Российской Федерации (с 15 мая 2018) 0239-2021-0003
3 German Research Foundation 450088079

Реферат: The adsorption method for atmospheric water harvesting (AWH) is considered as a promising heat driven technology for potable water supply in arid regions. This research is focused on the novel composite sorbents based on hygroscopic salts loaded in the pores of MIL-101(Cr) developed for AWH. The composites based on LiCl, LiBr, CaCl2, and Ca(NO3)2 were synthesised and comprehensively studied by SEM, XRD, N2 adsorption, and TG methods. We evidence that the CaCl2/MIL-101(Cr) composite demonstrates a high net water uptake of 0.52-0.59 g_(H2O)/g_(composite) per cycle under conditions of Saudi Arabia and the Sahara Desert as the reference regions with extra-dry climate. It is shown that water adsorption on the composite cannot be presented as a combination of the adsorption on the components, thus indicating on a synergistic effect. A detailed characterization of water coordination, mobility and hydrogen bonding within the confined CaCl2 hydrates and salt solution with solid state 2H NMR has been performed. It is established that pores confinement promotes a prolonged transition to a dynamically melted state of the hydrated salt and a notable decrease of the melting temperature, which facilitates the molecular transport of water and causes the alteration of sorption properties of CaCl2 inside MIL-101 pores.
Библиографическая ссылка: Solovyeva M.V. , Krivosheeva I.V. , Gordeeva L.G. , Khudozhitkov A.E. , Kolokolov D.I. , Stepanov A.G. , Ludwig R.
Salt Confined in MIL‐101(Cr) – Tailoring the Composite Sorbents for Efficient Atmospheric Water Harvesting
ChemSusChem. 2023. V.16. N18. e202300520 :1-17. DOI: 10.1002/cssc.202300520 WOS Scopus РИНЦ CAPlus PMID OpenAlex
Даты:
Поступила в редакцию: 13 апр. 2023 г.
Принята к публикации: 2 июн. 2023 г.
Опубликована online: 5 июн. 2023 г.
Опубликована в печати: 22 сент. 2023 г.
Идентификаторы БД:
Web of science: WOS:001030505200001
Scopus: 2-s2.0-85165184010
РИНЦ: 54918719
Chemical Abstracts: 2023:1505357
PMID (PubMed): 37272258
OpenAlex: W4379377237
Цитирование в БД:
БД Цитирований
OpenAlex 14
Scopus 15
Web of science 14
РИНЦ 12
Альметрики: