Extraction of amorphous silica from waste dust of electrowinning of ilmenite concentrate

The paper presents research on the processing of waste dust from the electrical smelting of ilmenite concentrates with the removal of silicon from them by the fluoride method. The optimum conditions for fluorination of electric smelting dust were determined, at which the degree of silicon fluoride s...

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Autores principales:	A. A. Ultarakova, Z. B. Karshigina, N. G. Lokhova, A. M. Yessengaziyev, K. K. Kassymzhanov, S. S. Tolegenova
Formato:	article
Lenguaje:	EN
Publicado:	Croatian Metallurgical Society 2022
Materias:	extraction amorphous silica dust phase analysis X-ray research Mining engineering. Metallurgy TN1-997
Acceso en línea:	https://doaj.org/article/e60677c7ab4e43a4a0bd2bc0ad0b44de
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spelling	oai:doaj.org-article:e60677c7ab4e43a4a0bd2bc0ad0b44de2021-11-28T20:08:18ZExtraction of amorphous silica from waste dust of electrowinning of ilmenite concentrate0543-58461334-2576https://doaj.org/article/e60677c7ab4e43a4a0bd2bc0ad0b44de2022-01-01T00:00:00Zhttps://hrcak.srce.hr/file/386169https://doaj.org/toc/0543-5846https://doaj.org/toc/1334-2576The paper presents research on the processing of waste dust from the electrical smelting of ilmenite concentrates with the removal of silicon from them by the fluoride method. The optimum conditions for fluorination of electric smelting dust were determined, at which the degree of silicon fluoride sublimation was 84,2 %. The silicon-containing sublime obtained in the presence of an ammonia agent has been studied. Based on the results of thermal analysis and studies on the effect of process duration the optimum pyrolysis modes that provide the separation of fluoride and silicon oxide: temperature 530 - 560 °C and duration of 60 - 80 min have been determined. The content of silicon oxide in the obtained product was 96,3 %.A. A. UltarakovaZ. B. KarshiginaN. G. LokhovaA. M. YessengaziyevK. K. KassymzhanovS. S. TolegenovaCroatian Metallurgical Societyarticleextractionamorphous silicadustphase analysisX-ray researchMining engineering. MetallurgyTN1-997ENMetalurgija, Vol 61, Iss 2, Pp 377-380 (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	extraction amorphous silica dust phase analysis X-ray research Mining engineering. Metallurgy TN1-997
spellingShingle	extraction amorphous silica dust phase analysis X-ray research Mining engineering. Metallurgy TN1-997 A. A. Ultarakova Z. B. Karshigina N. G. Lokhova A. M. Yessengaziyev K. K. Kassymzhanov S. S. Tolegenova Extraction of amorphous silica from waste dust of electrowinning of ilmenite concentrate
description	The paper presents research on the processing of waste dust from the electrical smelting of ilmenite concentrates with the removal of silicon from them by the fluoride method. The optimum conditions for fluorination of electric smelting dust were determined, at which the degree of silicon fluoride sublimation was 84,2 %. The silicon-containing sublime obtained in the presence of an ammonia agent has been studied. Based on the results of thermal analysis and studies on the effect of process duration the optimum pyrolysis modes that provide the separation of fluoride and silicon oxide: temperature 530 - 560 °C and duration of 60 - 80 min have been determined. The content of silicon oxide in the obtained product was 96,3 %.
format	article
author	A. A. Ultarakova Z. B. Karshigina N. G. Lokhova A. M. Yessengaziyev K. K. Kassymzhanov S. S. Tolegenova
author_facet	A. A. Ultarakova Z. B. Karshigina N. G. Lokhova A. M. Yessengaziyev K. K. Kassymzhanov S. S. Tolegenova
author_sort	A. A. Ultarakova
title	Extraction of amorphous silica from waste dust of electrowinning of ilmenite concentrate
title_short	Extraction of amorphous silica from waste dust of electrowinning of ilmenite concentrate
title_full	Extraction of amorphous silica from waste dust of electrowinning of ilmenite concentrate
title_fullStr	Extraction of amorphous silica from waste dust of electrowinning of ilmenite concentrate
title_full_unstemmed	Extraction of amorphous silica from waste dust of electrowinning of ilmenite concentrate
title_sort	extraction of amorphous silica from waste dust of electrowinning of ilmenite concentrate
publisher	Croatian Metallurgical Society
publishDate	2022
url	https://doaj.org/article/e60677c7ab4e43a4a0bd2bc0ad0b44de
work_keys_str_mv	AT aaultarakova extractionofamorphoussilicafromwastedustofelectrowinningofilmeniteconcentrate AT zbkarshigina extractionofamorphoussilicafromwastedustofelectrowinningofilmeniteconcentrate AT nglokhova extractionofamorphoussilicafromwastedustofelectrowinningofilmeniteconcentrate AT amyessengaziyev extractionofamorphoussilicafromwastedustofelectrowinningofilmeniteconcentrate AT kkkassymzhanov extractionofamorphoussilicafromwastedustofelectrowinningofilmeniteconcentrate AT sstolegenova extractionofamorphoussilicafromwastedustofelectrowinningofilmeniteconcentrate
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Extraction of amorphous silica from waste dust of electrowinning of ilmenite concentrate

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