WO2006074946A2 - Agregats de synthese comprenant des boues d'epuration et d'autres dechets et procedes pour produire des agregats de ce type - Google Patents

Agregats de synthese comprenant des boues d'epuration et d'autres dechets et procedes pour produire des agregats de ce type Download PDF

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Publication number
WO2006074946A2
WO2006074946A2 PCT/EP2006/000272 EP2006000272W WO2006074946A2 WO 2006074946 A2 WO2006074946 A2 WO 2006074946A2 EP 2006000272 W EP2006000272 W EP 2006000272W WO 2006074946 A2 WO2006074946 A2 WO 2006074946A2
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WO
WIPO (PCT)
Prior art keywords
aggregate
sewage sludge
mixture
waste
agglomerate
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PCT/EP2006/000272
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English (en)
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WO2006074946A3 (fr
Inventor
Sophia Bethani
Original Assignee
Alkemy, 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
Priority claimed from GR20050100015A external-priority patent/GR1006855B/el
Application filed by Alkemy, Ltd. filed Critical Alkemy, Ltd.
Priority to CN2006800079905A priority Critical patent/CN101137592B/zh
Priority to EP06701096A priority patent/EP1841708A2/fr
Priority to CA002637107A priority patent/CA2637107A1/fr
Priority to JP2007550763A priority patent/JP2008538347A/ja
Publication of WO2006074946A2 publication Critical patent/WO2006074946A2/fr
Publication of WO2006074946A3 publication Critical patent/WO2006074946A3/fr
Priority to NO20074171A priority patent/NO20074171L/no

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    • 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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/02—Agglomerated materials, e.g. artificial aggregates
    • C04B18/023—Fired or melted materials
    • C—CHEMISTRY; METALLURGY
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    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
    • 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
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
    • C—CHEMISTRY; METALLURGY
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    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/1328—Waste materials; Refuse; Residues without additional clay
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    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/135—Combustion residues, e.g. fly ash, incineration waste
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    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/135—Combustion residues, e.g. fly ash, incineration waste
    • C04B33/1352—Fuel ashes, e.g. fly ash
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    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/135—Combustion residues, e.g. fly ash, incineration waste
    • C04B33/1355—Incineration residues
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    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/138—Waste materials; Refuse; Residues from metallurgical processes, e.g. slag, furnace dust, galvanic waste
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62695—Granulation or pelletising
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    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/40—Porous or lightweight materials
    • C—CHEMISTRY; METALLURGY
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5427—Particle size related information expressed by the size of the particles or aggregates thereof millimeter or submillimeter sized, i.e. larger than 0,1 mm
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/72—Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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    • C04B2235/77—Density
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
    • 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

  • LWAs Lightweight aggregates
  • High quality LWAs have a strong but low density porous sintered ceramic core of uniform structural strength and a dense, continuous, relatively impermeable surface layer to inhibit water absorption. They are physically stable, durable, and environmentally inert.
  • LCSAMs to high calcium sewage sludge has been found to 1) delay the densification of the material, and/or 2) increase the temperature range between the initial softening, sintering, and melting of the aggregates, by providing a lower mobility and higher viscosity melt from the LCSAMs. This has been found to provide better control of the aggregate production process as compared to the processing of the 100% high calcium sewage sludge.
  • the ground sewage sludge powder from Step 120 is then mixed with the appropriate SAM in the form of powder having a fine particle distribution, in Step 125.
  • Mixing may be batch or continuous. If the SAM has a coarse particle size distribution, it may be pre-ground in a hammermill or a ball mill, for example, using dry or wet milling techniques, before being added to the mixer with the sludge powder. Any amount of high or low calcium SAM may be added to the low or high calcium sewage sludge, respectively, for improved pyroprocessing performance.
  • the IBA may be dry milled in a hammer mill, for example. While the method 200 of Fig. 8 will be described with respect to the use of IBA, it is understood that if FBA or waste glass are used, they are preferably milled, as well.
  • Table H summarizes the physical (relative dry and bulk densities, water absorptions) and mechanical properties (ACV) of sintered aggregates from 40%/60% mixes of Sample Y SS/GSR at four different temperatures, along with the corresponding properties of LYTAG aggregates. Aggregates produced at the temperatures below the temperature of maximum densification had densities less than 2.0 g/cm 3 , relatively low water absorptions, and high strengths. They were therefore well suited for use in lightweight concrete. LYTAG had a lower relative density and aggregate strength than these aggregates.
  • the resulting pellets were fired at temperatures between 990 to 116O 0 C for about 10 to 12 minutes before being discharged from the kiln and allowed to cool at room temperature.
  • Table K summarizes certain physical and mechanical properties of aggregates from 40%/60% mix of SS/slate at three selected temperatures, along with the corresponding properties of LYTAG aggregates.
  • controlling the pyroprocessing temperature enabled production of an aggregate with a predetermined density and other characteristics, for a given combination of SS and CKD.
  • SS Sample Z
  • limestone powder were subjected to processing described above and shown in Figure 6.
  • SS was dried at 110°C for 24 hours before the solid cake being ground to fine powder.
  • Limestone was added to dried sludge powder before the mix being pelletized and pyroprocessed.
  • the powders were mixed with water (up to 35% by total dry weight of the resulting mixture) in a batch mixer until the consistency of the mix allowed pelletization.
  • the mix was pelletized and the pellets were sieved through 4 and 9.5 mm sieves.
  • the pellets were coated with GBS, and were then dried in an oven at about HO 0 C, overnight.
  • the resulting pellets were pyroprocessed in a rotary kiln for about 10 to about 12 minutes at temperatures between 97O 0 C to H lO 0 C.

Abstract

Dans un mode de réalisation, l'invention concerne un procédé pour produire un agrégat, selon lequel des boues d'épuration produites par une station de traitement des eaux sont mélangées à des déchets silico-alumineux de cendres de combustion autres que le charbon, ce mélange est aggloméré pour former un agglomérat, qui est soumis à un pyrotraitement. Les déchets peuvent comprendre des cendres résiduelles d'incinérateur communal de matières solides, des cendres volantes d'incinération, des poussières de filtre d'incinérateur, des poussières de four à ciment, du verre, du laitier de haut fourneau, des poussières de four et/ou des résidus de sciage de granit, par exemple. Ce procédé peut également comprendre le broyage de ces matériaux avant leur mélange, ce broyage étant de préférence en voie humide. Le pyrotraitement de l'agglomérat peut être réalisé dans un four rotatif. L'agrégat obtenu peut être léger ou de poids normal, fritté ou vitrifié. La présente invention porte également sur des agrégats et sur des procédés pour les réaliser à partir de matières silico-alumineuses à faible ou forte teneur en calcium.
PCT/EP2006/000272 2005-01-14 2006-01-13 Agregats de synthese comprenant des boues d'epuration et d'autres dechets et procedes pour produire des agregats de ce type WO2006074946A2 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN2006800079905A CN101137592B (zh) 2005-01-14 2006-01-13 包含污泥和其它废料的合成聚集体和制备此类聚集体的方法
EP06701096A EP1841708A2 (fr) 2005-01-14 2006-01-13 Agregats de synthese comprenant des boues d'epuration et d'autres dechets et procedes pour produire des agregats de ce type
CA002637107A CA2637107A1 (fr) 2005-01-14 2006-01-13 Agregats de synthese comprenant des boues d'epuration et d'autres dechets et procedes pour produire des agregats de ce type
JP2007550763A JP2008538347A (ja) 2005-01-14 2006-01-13 下水汚泥および他の廃棄物を含む合成骨材ならびにそのような骨材の製造方法
NO20074171A NO20074171L (no) 2005-01-14 2007-08-14 Syntetiske aggregater omfattende kloakkslam og andre avfallsmaterialer, samt fremgangsmater for a produsere samme

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GR20050100015 2005-01-14
GR20050100015A GR1006855B (el) 2005-01-14 2005-01-14 Δομικα υλικα με χρηση αδρανων απο στερεα αποβλητα
GR20050100470 2005-09-16
GR20050100470 2005-09-16
US72188805P 2005-09-28 2005-09-28
US60/721,888 2005-09-28

Publications (2)

Publication Number Publication Date
WO2006074946A2 true WO2006074946A2 (fr) 2006-07-20
WO2006074946A3 WO2006074946A3 (fr) 2006-10-12

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PCT/EP2006/000272 WO2006074946A2 (fr) 2005-01-14 2006-01-13 Agregats de synthese comprenant des boues d'epuration et d'autres dechets et procedes pour produire des agregats de ce type

Country Status (5)

Country Link
EP (1) EP1841708A2 (fr)
JP (1) JP2008538347A (fr)
CA (1) CA2637107A1 (fr)
NO (1) NO20074171L (fr)
WO (1) WO2006074946A2 (fr)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7655088B2 (en) 2005-01-14 2010-02-02 Alkemy, Ltd. Synthetic aggregates comprising sewage sludge and other waste materials and methods for producing such aggregates
US7704317B2 (en) * 2005-01-14 2010-04-27 Alkemy, Ltd. Pyroprocessed aggregates comprising IBA and PFA and methods for producing such aggregates
US7780781B2 (en) * 2005-01-14 2010-08-24 Alkemy, Ltd. Pyroprocessed aggregates comprising IBA and low calcium silicoaluminous materials and methods for producing such aggregates
WO2013084173A1 (fr) * 2011-12-06 2013-06-13 Serena Adriano Procédé intégré de recyclage de déchets de pierre et système associé
WO2013123207A2 (fr) * 2012-02-17 2013-08-22 Halliburton Energy Services, Inc. Procédés et compositions comprenant de la poussière de four à ciment ayant une dimension de particule modifiée
US9051505B2 (en) 2005-09-09 2015-06-09 Halliburton Energy Services, Inc. Placing a fluid comprising kiln dust in a wellbore through a bottom hole assembly
US9566587B2 (en) 2012-10-12 2017-02-14 Blue Sky Mines Ltd. Methods of and systems for treating incinerated waste
US9644132B2 (en) 2005-09-09 2017-05-09 Halliburton Energy Services, Inc. Methods for determining reactive index for cement kiln dust, associated compositions and methods of use
US9676989B2 (en) 2005-09-09 2017-06-13 Halliburton Energy Services, Inc. Sealant compositions comprising cement kiln dust and tire-rubber particles and method of use
US9809737B2 (en) 2005-09-09 2017-11-07 Halliburton Energy Services, Inc. Compositions containing kiln dust and/or biowaste ash and methods of use
US9903184B2 (en) 2005-09-09 2018-02-27 Halliburton Energy Services, Inc. Consolidating spacer fluids and methods of use
CN111003984A (zh) * 2019-12-27 2020-04-14 安徽工业大学 一种新型尾矿混合土道路基层材料及其制备方法
CN112079625A (zh) * 2020-09-08 2020-12-15 夏志勇 一种轻质复合墙板的生产工艺
WO2021160939A1 (fr) * 2020-02-13 2021-08-19 Fatec Oy Procédé de manipulation de cendres de déchets municipaux brûlés, produit formé avec ledit procédé et utilisation dudit produit
CN113773048A (zh) * 2021-09-28 2021-12-10 山东永能节能环保服务股份有限公司 一种垃圾飞灰和固废无害化制作的烧结砖及方法和应用
CN114195481A (zh) * 2021-11-02 2022-03-18 山东山科生态环境研究院有限公司 一种锯泥基瓷化骨料及其制备方法和应用

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JP2008538347A (ja) 2008-10-23

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