DK343174A - - Google Patents

Info

Publication number
DK343174A
DK343174A DK343174A DK343174A DK343174A DK 343174 A DK343174 A DK 343174A DK 343174 A DK343174 A DK 343174A DK 343174 A DK343174 A DK 343174A DK 343174 A DK343174 A DK 343174A
Authority
DK
Denmark
Application number
DK343174A
Other languages
Danish (da)
Other versions
DK136596B (da
DK136596C (de
Inventor
K W Laitinen
Original Assignee
Ahlstrom A Osakeyhtio
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ahlstrom A Osakeyhtio filed Critical Ahlstrom A Osakeyhtio
Publication of DK343174A publication Critical patent/DK343174A/da
Publication of DK136596B publication Critical patent/DK136596B/da
Application granted granted Critical
Publication of DK136596C publication Critical patent/DK136596C/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C03C1/02—Pretreated ingredients
    • C03C1/022—Purification of silica sand or other minerals

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Silicon Compounds (AREA)
DK343174AA 1973-07-05 1974-06-26 Fremgangsmåde til rensning af kvartssand for forskellige urenheder, især jernurenheder. DK136596B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI732168A FI49018C (fi) 1973-07-05 1973-07-05 Menetelmä kvartsihiekan puhdistamiseksi erilaisista epäpuhtauksista, e rityisesti rautayhdisteistä.

Publications (3)

Publication Number Publication Date
DK343174A true DK343174A (de) 1975-03-03
DK136596B DK136596B (da) 1977-10-31
DK136596C DK136596C (de) 1978-04-03

Family

ID=8506752

Family Applications (1)

Application Number Title Priority Date Filing Date
DK343174AA DK136596B (da) 1973-07-05 1974-06-26 Fremgangsmåde til rensning af kvartssand for forskellige urenheder, især jernurenheder.

Country Status (9)

Country Link
BE (1) BE817300A (de)
DE (1) DE2431928C2 (de)
DK (1) DK136596B (de)
FI (1) FI49018C (de)
FR (1) FR2235877B1 (de)
GB (1) GB1454577A (de)
NL (1) NL7408803A (de)
NO (1) NO133662C (de)
SE (1) SE396368B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3040385C2 (de) * 1980-10-25 1985-02-21 Heraeus Quarzschmelze Gmbh, 6450 Hanau Vorrichtung zur kontinuierlichen Oberflächenreinigung von Quarzkristallstücken
DE3246121A1 (de) * 1982-12-13 1984-06-14 Siemens AG, 1000 Berlin und 8000 München Verfahren zum herstellen von borfreiem siliziumdioxid
US4818510A (en) * 1985-10-21 1989-04-04 Quartz Technology, Inc. Modified close fraction batch process for purification of SiO2
DE102008004873A1 (de) * 2008-01-17 2009-08-06 Siemens Aktiengesellschaft Verfahren zum Behandeln und Verfestigen von Quarzsand durch Aktivieren, verfestigter Quarzsandkörper sowie Überstrom-Schutzeinrichtungen
CN102173425B (zh) * 2010-12-28 2012-07-25 汪徐春 一种铵盐络合法除铁以制备高纯石英砂的方法
RU2603934C1 (ru) * 2015-06-05 2016-12-10 Общество с ограниченной ответственностью "НВП Центр-ЭСТАгео" Способ очистки кварцевых песков от железа
CN108658083A (zh) * 2018-06-26 2018-10-16 广西浙缘农业科技有限公司 一种高纯石英砂的制备方法
CN115028170A (zh) * 2022-05-18 2022-09-09 天津臻泰科技有限公司 一种无氟碱酸联合擦洗生产低铁硅质原料的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE512563A (de) *

Also Published As

Publication number Publication date
NL7408803A (nl) 1975-01-07
NO742438L (de) 1975-02-03
FR2235877B1 (de) 1978-03-31
DK136596B (da) 1977-10-31
DK136596C (de) 1978-04-03
FI49018B (de) 1974-12-02
DE2431928A1 (de) 1975-01-23
FR2235877A1 (de) 1975-01-31
BE817300A (fr) 1974-11-04
DE2431928C2 (de) 1984-04-05
SE7408765L (de) 1975-01-07
GB1454577A (en) 1976-11-03
SE396368B (sv) 1977-09-19
NO133662B (de) 1976-03-01
NO133662C (de) 1976-06-09
FI49018C (fi) 1975-03-10

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Legal Events

Date Code Title Description
PBP Patent lapsed