Method for preparing silicon tetrafluoride from quartz sand

Method for preparing silicon tetrafluoride from quartz sand

The invention discloses a method for preparing silicon tetrafluoride from quartz sand, wherein raw materials comprise metal fluoride and silicon dioxide, and the method comprises the following steps of: 1. calcining and activating the metal fluoride, making the activated metal fluoride react with co...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: MENG QIGUI, YANG JIANSONG, CHEN FAHUI, LI GUOHUA, LIANG ZHENG, SHEN TIEMENG
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
container_end_page
container_issue
container_start_page
container_title
container_volume
creator MENG QIGUI
YANG JIANSONG
CHEN FAHUI
LI GUOHUA
LIANG ZHENG
SHEN TIEMENG
description The invention discloses a method for preparing silicon tetrafluoride from quartz sand, wherein raw materials comprise metal fluoride and silicon dioxide, and the method comprises the following steps of: 1. calcining and activating the metal fluoride, making the activated metal fluoride react with concentrated sulfuric acid to obtain fluorine hydride gas, washing and cooling the fluorine hydride gas to obtain fluorine hydride liquid, and meanwhile, mixing the silicon dioxide and sulfuric acid into a silicon dioxide premixed slurry; 2. mixing the fluorine hydride liquid, the silicon dioxide premixed slurry and the sulfuric acid and making the mixture react to obtain silicon tetrafluoride gas. The method for preparing the silicon tetrafluoride from the quartz sand has high raw material conversion rate, high product purity, fewer impurities and easy control of reaction processes.
format Patent
fullrecord <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_CN101920962BB</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>CN101920962BB</sourcerecordid><originalsourceid>FETCH-epo_espacenet_CN101920962BB3</originalsourceid><addsrcrecordid>eNrjZLD2TS3JyE9RSMsvUigoSi1ILMrMS1cozszJTM7PUyhJLSlKTMspzS_KTElVSCvKz1UoLE0sKqlSKE7MS-FhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfHOfoYGhpZGBpZmRk5OxkQpAgBBkTBi</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Method for preparing silicon tetrafluoride from quartz sand</title><source>esp@cenet</source><creator>MENG QIGUI ; YANG JIANSONG ; CHEN FAHUI ; LI GUOHUA ; LIANG ZHENG ; SHEN TIEMENG</creator><creatorcontrib>MENG QIGUI ; YANG JIANSONG ; CHEN FAHUI ; LI GUOHUA ; LIANG ZHENG ; SHEN TIEMENG</creatorcontrib><description>The invention discloses a method for preparing silicon tetrafluoride from quartz sand, wherein raw materials comprise metal fluoride and silicon dioxide, and the method comprises the following steps of: 1. calcining and activating the metal fluoride, making the activated metal fluoride react with concentrated sulfuric acid to obtain fluorine hydride gas, washing and cooling the fluorine hydride gas to obtain fluorine hydride liquid, and meanwhile, mixing the silicon dioxide and sulfuric acid into a silicon dioxide premixed slurry; 2. mixing the fluorine hydride liquid, the silicon dioxide premixed slurry and the sulfuric acid and making the mixture react to obtain silicon tetrafluoride gas. The method for preparing the silicon tetrafluoride from the quartz sand has high raw material conversion rate, high product purity, fewer impurities and easy control of reaction processes.</description><language>chi ; eng</language><subject>CHEMISTRY ; COMPOUNDS THEREOF ; INORGANIC CHEMISTRY ; METALLURGY ; NON-METALLIC ELEMENTS</subject><creationdate>2012</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20120111&amp;DB=EPODOC&amp;CC=CN&amp;NR=101920962B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20120111&amp;DB=EPODOC&amp;CC=CN&amp;NR=101920962B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MENG QIGUI</creatorcontrib><creatorcontrib>YANG JIANSONG</creatorcontrib><creatorcontrib>CHEN FAHUI</creatorcontrib><creatorcontrib>LI GUOHUA</creatorcontrib><creatorcontrib>LIANG ZHENG</creatorcontrib><creatorcontrib>SHEN TIEMENG</creatorcontrib><title>Method for preparing silicon tetrafluoride from quartz sand</title><description>The invention discloses a method for preparing silicon tetrafluoride from quartz sand, wherein raw materials comprise metal fluoride and silicon dioxide, and the method comprises the following steps of: 1. calcining and activating the metal fluoride, making the activated metal fluoride react with concentrated sulfuric acid to obtain fluorine hydride gas, washing and cooling the fluorine hydride gas to obtain fluorine hydride liquid, and meanwhile, mixing the silicon dioxide and sulfuric acid into a silicon dioxide premixed slurry; 2. mixing the fluorine hydride liquid, the silicon dioxide premixed slurry and the sulfuric acid and making the mixture react to obtain silicon tetrafluoride gas. The method for preparing the silicon tetrafluoride from the quartz sand has high raw material conversion rate, high product purity, fewer impurities and easy control of reaction processes.</description><subject>CHEMISTRY</subject><subject>COMPOUNDS THEREOF</subject><subject>INORGANIC CHEMISTRY</subject><subject>METALLURGY</subject><subject>NON-METALLIC ELEMENTS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLD2TS3JyE9RSMsvUigoSi1ILMrMS1cozszJTM7PUyhJLSlKTMspzS_KTElVSCvKz1UoLE0sKqlSKE7MS-FhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfHOfoYGhpZGBpZmRk5OxkQpAgBBkTBi</recordid><startdate>20120111</startdate><enddate>20120111</enddate><creator>MENG QIGUI</creator><creator>YANG JIANSONG</creator><creator>CHEN FAHUI</creator><creator>LI GUOHUA</creator><creator>LIANG ZHENG</creator><creator>SHEN TIEMENG</creator><scope>EVB</scope></search><sort><creationdate>20120111</creationdate><title>Method for preparing silicon tetrafluoride from quartz sand</title><author>MENG QIGUI ; YANG JIANSONG ; CHEN FAHUI ; LI GUOHUA ; LIANG ZHENG ; SHEN TIEMENG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN101920962BB3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2012</creationdate><topic>CHEMISTRY</topic><topic>COMPOUNDS THEREOF</topic><topic>INORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><topic>NON-METALLIC ELEMENTS</topic><toplevel>online_resources</toplevel><creatorcontrib>MENG QIGUI</creatorcontrib><creatorcontrib>YANG JIANSONG</creatorcontrib><creatorcontrib>CHEN FAHUI</creatorcontrib><creatorcontrib>LI GUOHUA</creatorcontrib><creatorcontrib>LIANG ZHENG</creatorcontrib><creatorcontrib>SHEN TIEMENG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MENG QIGUI</au><au>YANG JIANSONG</au><au>CHEN FAHUI</au><au>LI GUOHUA</au><au>LIANG ZHENG</au><au>SHEN TIEMENG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for preparing silicon tetrafluoride from quartz sand</title><date>2012-01-11</date><risdate>2012</risdate><abstract>The invention discloses a method for preparing silicon tetrafluoride from quartz sand, wherein raw materials comprise metal fluoride and silicon dioxide, and the method comprises the following steps of: 1. calcining and activating the metal fluoride, making the activated metal fluoride react with concentrated sulfuric acid to obtain fluorine hydride gas, washing and cooling the fluorine hydride gas to obtain fluorine hydride liquid, and meanwhile, mixing the silicon dioxide and sulfuric acid into a silicon dioxide premixed slurry; 2. mixing the fluorine hydride liquid, the silicon dioxide premixed slurry and the sulfuric acid and making the mixture react to obtain silicon tetrafluoride gas. The method for preparing the silicon tetrafluoride from the quartz sand has high raw material conversion rate, high product purity, fewer impurities and easy control of reaction processes.</abstract><oa>free_for_read</oa></addata></record>
fulltext fulltext_linktorsrc
identifier
ispartof
issn
language chi ; eng
recordid cdi_epo_espacenet_CN101920962BB
source esp@cenet
subjects CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
title Method for preparing silicon tetrafluoride from quartz sand
url https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-06T16%3A13%3A16IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=MENG%20QIGUI&rft.date=2012-01-11&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3ECN101920962BB%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true