Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 145, Issue -, Pages 1073-1079Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2019.09.200
Keywords
Metal-organic frameworks; Aerogel; Slow-release fertilizer
Funding
- National Natural Science Foundation of China [21767009]
- Young Talents Project of Science and Technology Research Program of Education Department of Hubei [Q20171905]
- Science Research Group of Hubei University for Nationalities [MY2014T007]
- Doctoral Science Research Foundation of Hubei University for Nationalities [MY2013B017]
- Open Science Foundation of Key Laboratory of Biological Resources Protection and Utilization of Hubei Province [PKLHB1912]
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In this work, a novel MOF(Fe)@NaAlg aerogels composite were fabricated by a facile method of ion cross-linking, and characterized via Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), scanning electron microscopy (SEM), thermogravimetric analysis (TG), X-ray photoelectron spectroscopy (XPS) and BET surface area analysis. The MOF(Fe)@NaAlg aerogels loaded by ammonium (NH4+) was prepare to the slow-release fertilizer (SRF). The adsorption capacity and swelling of MOF(Fe)@NaAlg(2:10) were 29.4 mg/g and 73 g/g, respectively. The swelling behaviors of MOF(Fe)@NaAlg(2:10) in different saline solutions were investigated. The release assessments confirmed the effective role of MOF(Fe) in slow-release property of the prepared formulation. Also, the prepared fertilizer formulation exhibited excellent water-retention capacity in soil. Therefore, they will have a great potential application in the field of agriculture. (C) 2019 Elsevier B.V. All rights reserved.
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