The Alkaline Fusion-Hydrothermal Synthesis of Hydroxyapatite-Zeolite (HAP-ZE) from Blast Furnace Slag (BFS): Effects of Reaction Temperature

This study was performed to investigate the effects of reaction temperature on the alkaline fusion-hydrothermal preparation of hydroxyapatite-zeolite (HAP-ZE) using blast furnace slag (BFS) as raw material. Firstly, HAP-ZE samples were obtained under various reaction temperatures; then the analysis...

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Autores principales:	Changxin Li, Xiang Li, Qingwu Zhang, Li Li, Shuai Wang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	blast furnace slag alkaline fusion-hydrothermal hydroxyapatite zeolite reaction temperature Mineralogy QE351-399.2
Acceso en línea:	https://doaj.org/article/47462b254492446aa793cb088207fba6
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spelling	oai:doaj.org-article:47462b254492446aa793cb088207fba62021-11-25T18:25:53ZThe Alkaline Fusion-Hydrothermal Synthesis of Hydroxyapatite-Zeolite (HAP-ZE) from Blast Furnace Slag (BFS): Effects of Reaction Temperature10.3390/min111111602075-163Xhttps://doaj.org/article/47462b254492446aa793cb088207fba62021-10-01T00:00:00Zhttps://www.mdpi.com/2075-163X/11/11/1160https://doaj.org/toc/2075-163XThis study was performed to investigate the effects of reaction temperature on the alkaline fusion-hydrothermal preparation of hydroxyapatite-zeolite (HAP-ZE) using blast furnace slag (BFS) as raw material. Firstly, HAP-ZE samples were obtained under various reaction temperatures; then the analysis was carried out utilizing XRD, FT-IR, BET/BJH, XRF, FE-SEM and EDX. The results reflect that the optimum reaction temperature for preparing HAP-ZE from blast furnace slag (BFS) using alkaline fusion-hydrothermal treatment is around 100 °C. The HAP-ZE synthesized at 100 °C had the largest specific surface area (SSA) value. Under 100 °C aging, the main phases in HAP-ZE were zeolite and HAP with the average SSA is 44.22 m<sup>2</sup>·g<sup>−1</sup>. Molar ratio of Ca/P, Si/Al and Na/Al is 1.61, 1.31, 1.75, respectively. Additionally, HAP-ZE crystals with a diameter of about 500 nm form an open frame structure with coral surface morphology could be clearly observed at 100 °C. The observed surface morphology feature agrees well with that for HAP-ZE previously reported, again elucidating the successful formation of HAP-ZE.Changxin LiXiang LiQingwu ZhangLi LiShuai WangMDPI AGarticleblast furnace slagalkaline fusion-hydrothermalhydroxyapatitezeolitereaction temperatureMineralogyQE351-399.2ENMinerals, Vol 11, Iss 1160, p 1160 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	blast furnace slag alkaline fusion-hydrothermal hydroxyapatite zeolite reaction temperature Mineralogy QE351-399.2
spellingShingle	blast furnace slag alkaline fusion-hydrothermal hydroxyapatite zeolite reaction temperature Mineralogy QE351-399.2 Changxin Li Xiang Li Qingwu Zhang Li Li Shuai Wang The Alkaline Fusion-Hydrothermal Synthesis of Hydroxyapatite-Zeolite (HAP-ZE) from Blast Furnace Slag (BFS): Effects of Reaction Temperature
description	This study was performed to investigate the effects of reaction temperature on the alkaline fusion-hydrothermal preparation of hydroxyapatite-zeolite (HAP-ZE) using blast furnace slag (BFS) as raw material. Firstly, HAP-ZE samples were obtained under various reaction temperatures; then the analysis was carried out utilizing XRD, FT-IR, BET/BJH, XRF, FE-SEM and EDX. The results reflect that the optimum reaction temperature for preparing HAP-ZE from blast furnace slag (BFS) using alkaline fusion-hydrothermal treatment is around 100 °C. The HAP-ZE synthesized at 100 °C had the largest specific surface area (SSA) value. Under 100 °C aging, the main phases in HAP-ZE were zeolite and HAP with the average SSA is 44.22 m<sup>2</sup>·g<sup>−1</sup>. Molar ratio of Ca/P, Si/Al and Na/Al is 1.61, 1.31, 1.75, respectively. Additionally, HAP-ZE crystals with a diameter of about 500 nm form an open frame structure with coral surface morphology could be clearly observed at 100 °C. The observed surface morphology feature agrees well with that for HAP-ZE previously reported, again elucidating the successful formation of HAP-ZE.
format	article
author	Changxin Li Xiang Li Qingwu Zhang Li Li Shuai Wang
author_facet	Changxin Li Xiang Li Qingwu Zhang Li Li Shuai Wang
author_sort	Changxin Li
title	The Alkaline Fusion-Hydrothermal Synthesis of Hydroxyapatite-Zeolite (HAP-ZE) from Blast Furnace Slag (BFS): Effects of Reaction Temperature
title_short	The Alkaline Fusion-Hydrothermal Synthesis of Hydroxyapatite-Zeolite (HAP-ZE) from Blast Furnace Slag (BFS): Effects of Reaction Temperature
title_full	The Alkaline Fusion-Hydrothermal Synthesis of Hydroxyapatite-Zeolite (HAP-ZE) from Blast Furnace Slag (BFS): Effects of Reaction Temperature
title_fullStr	The Alkaline Fusion-Hydrothermal Synthesis of Hydroxyapatite-Zeolite (HAP-ZE) from Blast Furnace Slag (BFS): Effects of Reaction Temperature
title_full_unstemmed	The Alkaline Fusion-Hydrothermal Synthesis of Hydroxyapatite-Zeolite (HAP-ZE) from Blast Furnace Slag (BFS): Effects of Reaction Temperature
title_sort	alkaline fusion-hydrothermal synthesis of hydroxyapatite-zeolite (hap-ze) from blast furnace slag (bfs): effects of reaction temperature
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/47462b254492446aa793cb088207fba6
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The Alkaline Fusion-Hydrothermal Synthesis of Hydroxyapatite-Zeolite (HAP-ZE) from Blast Furnace Slag (BFS): Effects of Reaction Temperature

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