ES371382A1 - Un procedimiento para la purificacion de arena que contieneimpurezas de hierro y de compuestos de hierro. - Google Patents

Un procedimiento para la purificacion de arena que contieneimpurezas de hierro y de compuestos de hierro.

Info

Publication number
ES371382A1
ES371382A1 ES371382A ES371382A ES371382A1 ES 371382 A1 ES371382 A1 ES 371382A1 ES 371382 A ES371382 A ES 371382A ES 371382 A ES371382 A ES 371382A ES 371382 A1 ES371382 A1 ES 371382A1
Authority
ES
Spain
Prior art keywords
sand
purification
purified
hydrogen chloride
reaction products
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES371382A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Industrial Sand Ltd
Original Assignee
British Industrial Sand Ltd
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 British Industrial Sand Ltd filed Critical British Industrial Sand Ltd
Publication of ES371382A1 publication Critical patent/ES371382A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D233/72—Two oxygen atoms, e.g. hydantoin
    • C07D233/80—Two oxygen atoms, e.g. hydantoin with hetero atoms or acyl radicals directly attached to ring nitrogen atoms
    • C07D233/82—Halogen atoms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
    • B22C5/18—Plants for preparing mould materials
    • B22C5/185—Plants for preparing mould materials comprising a wet reclamation step
    • 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

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
ES371382A 1968-09-17 1969-09-10 Un procedimiento para la purificacion de arena que contieneimpurezas de hierro y de compuestos de hierro. Expired ES371382A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB44197/68A GB1223177A (en) 1968-09-17 1968-09-17 The purification of sand

Publications (1)

Publication Number Publication Date
ES371382A1 true ES371382A1 (es) 1971-10-16

Family

ID=10432210

Family Applications (1)

Application Number Title Priority Date Filing Date
ES371382A Expired ES371382A1 (es) 1968-09-17 1969-09-10 Un procedimiento para la purificacion de arena que contieneimpurezas de hierro y de compuestos de hierro.

Country Status (7)

Country Link
US (1) US3634032A (es)
DE (1) DE1947039A1 (es)
ES (1) ES371382A1 (es)
FI (1) FI51336C (es)
FR (1) FR2018284A1 (es)
GB (1) GB1223177A (es)
SE (1) SE353070B (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2408854A1 (es) * 2012-06-19 2013-06-21 Industrias Del Cuarzo, S.A. Método de reducción del contenido en óxido de hierro en feldespatos

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4086321A (en) * 1976-06-21 1978-04-25 Carl A. Holley Producing pure iron oxides
DE3128122C2 (de) * 1981-07-16 1985-04-25 Turnmeyer-Werke Gmbh, 5800 Hagen Verriegelungsvorrichtung für Sprungkästen
NL8600283A (nl) * 1986-02-06 1987-09-01 Philips Nv Werkwijze voor het zuiveren van kwartszand.
US4952246A (en) * 1989-08-23 1990-08-28 Dependable Foundry Equipment Company, Inc. Plant and method for reconditioning green foundry sand
FR2782709B1 (fr) * 1998-08-26 2001-02-02 Solvay Procede pour la production de cristaux de chlorure de sodium
US20040142810A1 (en) * 1999-03-23 2004-07-22 Christian Kunert Use of a glass for thermal shock-resistant beverage containers
NO320012B1 (no) * 2003-02-28 2005-10-10 Praktisk Teknologi As System for rokting og oppbevaring av bentiske organismer, i et akvatisk miljo og fremgangsmate for handtering av beholdere for oppbevaring for slike organismer
DE102009032297A1 (de) * 2009-07-09 2011-01-13 Qsil Ag Quarzschmelze Ilmenau Verfahren zur Herstellung eines hochreinen Quarz-Granulates

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2031969A (en) * 1934-08-30 1936-02-25 Macbeth Evans Glass Co Method of purifying glass sand
US2155119A (en) * 1935-08-13 1939-04-18 American Lurgi Corp Process of and apparatus for the thermal decomposition of substances or mixtures of same
US2592580A (en) * 1945-02-09 1952-04-15 Nitralloy Corp Process of preparing iron oxide from ferrous chloride
US2752223A (en) * 1952-01-01 1956-06-26 United Steel Companies Ltd Production of ferric chloride
US2952516A (en) * 1957-05-10 1960-09-13 Int Minerals & Chem Corp Purification of sand
BE620418A (es) * 1961-08-05 1900-01-01
NL132526C (es) * 1965-04-17
US3442608A (en) * 1968-05-06 1969-05-06 Canada Steel Co Regeneration of waste pickle liquors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2408854A1 (es) * 2012-06-19 2013-06-21 Industrias Del Cuarzo, S.A. Método de reducción del contenido en óxido de hierro en feldespatos

Also Published As

Publication number Publication date
FI51336C (fi) 1976-12-10
US3634032A (en) 1972-01-11
FI51336B (es) 1976-08-31
DE1947039A1 (de) 1970-04-02
SE353070B (es) 1973-01-22
FR2018284A1 (es) 1970-05-29
GB1223177A (en) 1971-02-24

Similar Documents

Publication Publication Date Title
GB1496683A (en) Manufacture of calcium sulphate alphahemihydrate
ES371382A1 (es) Un procedimiento para la purificacion de arena que contieneimpurezas de hierro y de compuestos de hierro.
ES453451A1 (es) Procedimiento para la obtencion a escala industrial de oxidode magnesio de elevada pureza.
ES451932A1 (es) Un metodo de produccion de acrilamida seca.
GB1115952A (en) Process for the separation of ammonia produced in medium and low pressure synthesizing plants
GB1477991A (en) Process for the manufacture of phosgene
GB1454577A (en) Process for purifying quartz sand
ES366851A1 (es) Procedimiento para la preparacion de dinitrilo de acido ma-lonico puro.
GB1405714A (en) Purification of hydrogen chloride
GB1127247A (en) Defluoridating phosphoric acid
GB1391937A (en) Process for the treatment of waste gases from the deposition of boron
ES397978A1 (es) Un procedimiento para la produccion de fosfato potasico di-hidrogeno.
GB1293304A (en) Vinyl trichlorosilane
SU633593A1 (ru) Способ каталитической очистки промышленных газов от цианистого водорода
CA600459A (en) Apparatus for the production of hydrochloric acid from waste gases containing hydrogen chloride
ES438676A1 (es) Procedimiento para la puruficacion de acido fosforico.
FR2246525A1 (en) Vinyl chloride prepn from dichloroethane - by heat-decompsn, catalysed by carbon tetrachloride
GB1223790A (en) Improvements relating to the purification of nitriles
CH349729A (de) Verfahren zur Herstellung von lagerfähigen, Natriumsilikate und Additionsprodukte von Natriumhypochlorit und Trinatriumphosphat-12-hydrat enthaltenden Gemischen
FR1335663A (fr) Procédé de conversion catalytique de l'acide chlorhydrique en chlore, particulièrement pour la chloruration oxydante d'hydrocarbures
GB1004936A (en) Process for the manufacture of 2:2:2-trifluoro-1-chloro-1-bromethane
GB1318265A (en) Method for manufacturing cryolite with high purity
JPS52128328A (en) Decomposition and recovery of ethylbenzene r
GB1054339A (es)
ES305433A1 (es) Procedimiento para la purificacion de melamina.