WO1995007864A1 - Matieres premieres pour la production de materiaux en verre et en ceramique et leur procede de fabrication - Google Patents

Matieres premieres pour la production de materiaux en verre et en ceramique et leur procede de fabrication Download PDF

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Publication number
WO1995007864A1
WO1995007864A1 PCT/EP1994/003097 EP9403097W WO9507864A1 WO 1995007864 A1 WO1995007864 A1 WO 1995007864A1 EP 9403097 W EP9403097 W EP 9403097W WO 9507864 A1 WO9507864 A1 WO 9507864A1
Authority
WO
WIPO (PCT)
Prior art keywords
glass
raw materials
temperature
heated
range
Prior art date
Application number
PCT/EP1994/003097
Other languages
German (de)
English (en)
Inventor
Melania Savos
Ludbert GRAF ZU MÜNSTER
Original Assignee
Melania Savos
Muenster Ludbert
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 Melania Savos, Muenster Ludbert filed Critical Melania Savos
Priority to AU77825/94A priority Critical patent/AU7782594A/en
Publication of WO1995007864A1 publication Critical patent/WO1995007864A1/fr

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
    • C03C1/002—Use of waste materials, e.g. slags
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • C04B20/04—Heat treatment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Definitions

  • metal-containing ashes, filter dusts, electroplating sludges, electroplating filter cakes and ashes which contain various elements, such as iron, aluminum, silicon and calcium, and various heavy metals, such as nickel, copper, chromium, zinc and lead .
  • various elements such as iron, aluminum, silicon and calcium
  • various heavy metals such as nickel, copper, chromium, zinc and lead .
  • these materials contain substances which, in combination with the metals and heavy metals mentioned, have a negative influence, such as fluorides, chlorides and sulfides of the elements mentioned.
  • metal-containing ashes, filter dusts and electroplating sludges from industry can be used to obtain raw materials for glass and ceramic production if they are subjected to certain simple heat treatments, so that it has a negative influence on the substances Desorption and evaporation processes and also conversion processes can occur. For example, sulfides with a negative influence can be converted into sulfates.
  • raw materials for glass and ceramic production are provided which can be obtained by using metal-containing ashes, filter dusts and / or electroplating slurries
  • the electroplating strains can be sludges according to the catalog of waste types, in particular sludges from the anodizing industry.
  • raw materials for glass and ceramic production are also provided, which can be obtained by using metal-containing ashes, filter dusts and / or electroplating slurries from industry
  • a method for obtaining raw materials for glass and ceramic production is provided according to the invention, which is characterized in that metal-containing ashes, filter dusts and / or electroplating sludges from industry
  • (d) then cools down and extracts raw materials for glass and ceramic production.
  • a heat treatment in the range from room temperature to about 100 ° C. is provided as a pretreatment before stage (a).
  • the pretreatment and stages (a), (b), (c) and / or (d) can be carried out in air or in an air enriched with oxygen, nitrogen or organic hydrocarbons or in pure oxygen.
  • raw materials for glass and ceramic production are provided, which can be obtained by metal-containing ashes, filter dusts and / or electroplating slurries
  • a process for the production of raw materials for glass and ceramic production is provided, which is characterized in that metal-containing ashes, filter dust and / or electroplating sludge
  • First heat treatment The temperature is raised from room temperature to 300 ° C. The material is left at 300 ° C until a constant weight is reached. Then it is quickly cooled.
  • Second heat treatment The mixture is quickly heated to 850 ° C. until the weight is constant. Then slowly cool in air.
  • First heat treatment the temperature is slowly raised from room temperature to 300 ° C., about 10 l of oxygen / h being added. The temperature of 300 ° C is maintained until the weight remains constant.
  • Second heat treatment The material is reheated to 850 ° C. As soon as the temperature of 850 ° C. is reached, the mixture is slowly cooled in the presence of air which is enriched with tar derivatives.
  • Granules are obtained which, even at 1250 ° C., have no tendency to melt, are black, have high hardness and are chemically stable.
  • a mixture of 60% of an electroplating filter cake and 40% of a highly chlorinated ash of a special waste incineration plant is used, the electroplating filter cake having the following components.
  • Second heat treatment After cooling, heat up to 1000 ° C. Then it is cooled in a normal air atmosphere.
  • a light brown granulate is obtained which is very hard and does not melt up to 1250 ° C.
  • First heat treatment The electroplating filter cake is heated in a laboratory oven at 400 ° C for 3 hours, after which the material is cooled in air for 3 hours.
  • Second heat treatment The material is kept in the same oven at 750 ° C for 2 hours.
  • the product obtained is dark brown and harder than the material of the following comparative example 1.
  • Example 5 is repeated with the only exception that after the first 3-hour heat treatment, the mixture is not cooled for 3 hours, but is kept at 400 ° C. for a further 3 hours.
  • First heat treatment The electroplating filter cake is heated for 3 hours at 400 ° C in the laboratory oven and kept at this temperature for a further 3 hours.
  • Second heat treatment The material is heated from 300 ° C. to 750 ° C. without cooling and is kept at this temperature for 2 hours.
  • the product obtained is light brown and not as hard as the product from Example 5.
  • the electroplating filter cake is placed in a laboratory oven at 300 ° C, heated to 750 ° C and held at this temperature for 2 hours. The material is then removed from the oven and cooled in air.
  • Comparative example 2 is repeated with the only exception that the material is not cooled in air but in an oxygen atmosphere.
  • the product obtained is light brown on the outside, again gray on the inside, but harder than the product of Comparative Example 2.
  • First and only heat treatment The material is placed in a laboratory furnace at 300 ° C, heated to 750 ° C and held at this temperature for 2 hours and then cooled in air.
  • the product obtained is not as hard as that of Example 7 below.
  • Comparative example 3 is repeated with the only exception that cooling is not carried out in air, but rather in an oxygen atmosphere.
  • the product obtained has the same visual appearance as that of Comparative Example 3, but is harder.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Structural Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Glass Compositions (AREA)
  • Filtering Materials (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

L'invention se rapporte à des matières premières pour la production de matériaux en verre et en céramique, pouvant être obtenues à partir de cendres, poussières de filtration et/ou boues électrochimiques métallifères provenant de l'industrie, ainsi qu'à leur procédé de fabrication.
PCT/EP1994/003097 1993-09-15 1994-09-15 Matieres premieres pour la production de materiaux en verre et en ceramique et leur procede de fabrication WO1995007864A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU77825/94A AU7782594A (en) 1993-09-15 1994-09-15 Raw materials for glass and ceramics manufacture as well as a process for producing them

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4331352A DE4331352A1 (de) 1993-09-15 1993-09-15 Rohstoffe zur Glas- und Keramikproduktion sowie Verfahren zu ihrer Herstellung
DEP4331352.3 1993-09-15

Publications (1)

Publication Number Publication Date
WO1995007864A1 true WO1995007864A1 (fr) 1995-03-23

Family

ID=6497791

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1994/003097 WO1995007864A1 (fr) 1993-09-15 1994-09-15 Matieres premieres pour la production de materiaux en verre et en ceramique et leur procede de fabrication

Country Status (3)

Country Link
AU (1) AU7782594A (fr)
DE (1) DE4331352A1 (fr)
WO (1) WO1995007864A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4233334A1 (de) * 1992-10-05 1994-04-07 Hoelter Heinz Verfahren zur Herstellung schadgasfreier Baustoffe

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2344324A1 (de) * 1972-09-12 1974-04-25 John O Hopkins Verfahren zur behandlung schwefelhaltiger schlacke und nach diesem verfahren hergestelltes erzeugnis
FR2397858A1 (fr) * 1977-07-22 1979-02-16 Pelt & Hooykaas Procede de traitement de masses de filtration obtenues notamment lors de la purification d'acide phosphorique
EP0002536A1 (fr) * 1977-12-20 1979-06-27 Wessel-Werk GmbH Procédé de raffinage d'une scorie phosphorée et utilisation du matériau ainsi obtenu
EP0294362A2 (fr) * 1987-06-05 1988-12-07 Öko Wien Umweltschutzprojektentwicklungs- und managementgesellschaft m.b.H. Procédé et dispositif pour la préparation de granulés, corps et analogues, insolubles dans l'eau
JPH03137041A (ja) * 1989-10-20 1991-06-11 Mitsubishi Materials Corp フライアッシュの加熱処理方法及び低発熱・高耐久性セメント
US5220112A (en) * 1991-09-10 1993-06-15 Air Products And Chemicals, Inc. Fixation of heavy metals in municipal solid waste incinerator ash

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2344324A1 (de) * 1972-09-12 1974-04-25 John O Hopkins Verfahren zur behandlung schwefelhaltiger schlacke und nach diesem verfahren hergestelltes erzeugnis
FR2397858A1 (fr) * 1977-07-22 1979-02-16 Pelt & Hooykaas Procede de traitement de masses de filtration obtenues notamment lors de la purification d'acide phosphorique
EP0002536A1 (fr) * 1977-12-20 1979-06-27 Wessel-Werk GmbH Procédé de raffinage d'une scorie phosphorée et utilisation du matériau ainsi obtenu
EP0294362A2 (fr) * 1987-06-05 1988-12-07 Öko Wien Umweltschutzprojektentwicklungs- und managementgesellschaft m.b.H. Procédé et dispositif pour la préparation de granulés, corps et analogues, insolubles dans l'eau
JPH03137041A (ja) * 1989-10-20 1991-06-11 Mitsubishi Materials Corp フライアッシュの加熱処理方法及び低発熱・高耐久性セメント
US5220112A (en) * 1991-09-10 1993-06-15 Air Products And Chemicals, Inc. Fixation of heavy metals in municipal solid waste incinerator ash

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 115, no. 20, 18 November 1991, Columbus, Ohio, US; abstract no. 213701j, page 372; *

Also Published As

Publication number Publication date
AU7782594A (en) 1995-04-03
DE4331352A1 (de) 1995-03-16

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