IT202000011842A1 - METHOD OF TREATMENT OF WASTE FOR THE PRODUCTION OF AGGREGATES FOR THE CONSTRUCTION OF ROAD SUBSTRATES AND FOUNDATION LAYERS OF SUPERSTRUCTURES AND AREAS SUBJECT TO TRAFFIC - Google Patents
METHOD OF TREATMENT OF WASTE FOR THE PRODUCTION OF AGGREGATES FOR THE CONSTRUCTION OF ROAD SUBSTRATES AND FOUNDATION LAYERS OF SUPERSTRUCTURES AND AREAS SUBJECT TO TRAFFIC Download PDFInfo
- Publication number
- IT202000011842A1 IT202000011842A1 IT102020000011842A IT202000011842A IT202000011842A1 IT 202000011842 A1 IT202000011842 A1 IT 202000011842A1 IT 102020000011842 A IT102020000011842 A IT 102020000011842A IT 202000011842 A IT202000011842 A IT 202000011842A IT 202000011842 A1 IT202000011842 A1 IT 202000011842A1
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- Italy
- Prior art keywords
- aggregates
- treatment method
- mixing
- waste treatment
- homogenization
- Prior art date
Links
- 239000002699 waste material Substances 0.000 title claims description 26
- 238000000034 method Methods 0.000 title claims description 25
- 238000010276 construction Methods 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000000758 substrate Substances 0.000 title description 2
- 239000000463 material Substances 0.000 claims description 36
- 238000002156 mixing Methods 0.000 claims description 18
- 238000000265 homogenisation Methods 0.000 claims description 16
- 238000012216 screening Methods 0.000 claims description 16
- 238000002360 preparation method Methods 0.000 claims description 15
- 239000010802 sludge Substances 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 239000011449 brick Substances 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 230000008030 elimination Effects 0.000 claims description 4
- 238000003379 elimination reaction Methods 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 239000011819 refractory material Substances 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 239000004567 concrete Substances 0.000 claims description 2
- 239000010787 construction and demolition waste Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000010842 industrial wastewater Substances 0.000 claims description 2
- 239000010804 inert waste Substances 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 239000004579 marble Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 239000004568 cement Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000002860 competitive effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
- B09B3/25—Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix
-
- 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
-
- 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
- C04B18/04—Waste materials; Refuse
-
- 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
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/90—Soil, e.g. excavated soil from construction sites
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Description
METODO DI TRATTAMENTO DI RIFIUTI PER LA PRODUZIONE DI AGGREGATI PER LA REALIZZAZIONE DI SOTTOFONDI STRADALI E STRATI DI FONDAZIONE DI SOVRASTRUTTURE E AREE SOGGETTE A TRAFFICO WASTE TREATMENT METHOD FOR THE PRODUCTION OF AGGREGATES FOR THE CONSTRUCTION OF ROAD SUBSTRATES AND FOUNDATION LAYERS OF SUPERSTRUCTURES AND AREAS SUBJECT TO TRAFFIC
DESCRIZIONE DESCRIPTION
Il presente trovato ha per oggetto un metodo di trattamento di rifiuti per la produzione di aggregati per la realizzazione di sottofondi stradali e strati di fondazione di sovrastrutture stradali e aree soggette a traffico. The present invention relates to a waste treatment method for the production of aggregates for the construction of road foundations and foundation layers of road superstructures and areas subject to traffic.
I sottofondi stradali, cos? come le fondazioni in genere, sono in tipicamente costituiti da materiale, generalmente inerte, non legato (detto anche misto stabilizzato), oppure da materiale legato (misto cementato), a seconda delle caratteristiche finali che si vogliono ottenere. The road foundations, what? like foundations in general, they typically consist of material, generally inert, unalloyed (also called stabilized mix), or of bound material (cemented mix), depending on the final characteristics to be obtained.
Per quanto riguarda le realizzazioni con materiale non legato, solitamente vengono impiegati aggregati naturali e/o aggregati industriali/riciclati, i quali vengono disposti sul terreno e quindi pressati mediante rullatura. As regards the realizations with unalloyed material, natural aggregates and/or industrial/recycled aggregates are usually used, which are placed on the ground and then pressed by rolling.
Nel caso si impieghino invece dei materiali legati, si realizzano generalmente miscele granulometricamente stabilizzate con cemento e acqua per ottenere una fondazione semi-rigida rigida. If, on the other hand, bonded materials are used, granulometrically stabilized mixtures are generally made with cement and water to obtain a rigid semi-rigid foundation.
Molto spesso lo strato di misto cementato pu? essere realizzato utilizzando aggregati naturali, aggregati industriali e in parte aggregati riciclati. Very often the layer of mixed cement pu? be made using natural aggregates, industrial aggregates and partly recycled aggregates.
Le soluzioni note, seppur largamente utilizzate, non sono scevre di inconvenienti. Known solutions, although widely used, are not free from drawbacks.
In primo luogo, vi ? praticamente sempre un utilizzo, in differenti percentuale, di aggregati naturali con evidente spreco di materiale. Firstly, there ? practically always a use, in different percentages, of natural aggregates with evident waste of material.
Il compito del presente trovato ? quello di realizzare un metodo di trattamento di rifiuti per la realizzazione di sottofondi stradali, piazzali e strati di fondazione in genere che sia in grado di migliorare la tecnica nota in uno o pi? degli aspetti sopra indicati. The task of this invention? that of realizing a waste treatment method for the construction of road foundations, yards and foundation layers in general which is capable of improving the prior art in one or more? of the above aspects.
Nell'ambito di tale compito, uno scopo del trovato ? quello di ideare un metodo di trattamento di rifiuti per la realizzazione di sottofondi stradali, piazzali e strati di fondazione in genere che permetta il recupero di materiali destinati alla discarica e che al contempo permetta di realizzare un sottofondo estremamente stabile. Within the scope of this aim, an object of the invention is that of devising a waste treatment method for the construction of road foundations, yards and foundation layers in general which allows the recovery of materials destined for landfill and which at the same time allows for the creation of an extremely stable foundation.
Non ultimo scopo del trovato ? quello di realizzare un metodo di trattamento di rifiuti per la realizzazione di sottofondi stradali, piazzali e strati di fondazione in genere che sia di elevata affidabilit?, di relativamente facile realizzazione e a costi competitivi. Not the last purpose of the invention ? that of creating a waste treatment method for the construction of road foundations, yards and foundation layers in general which is highly reliable, relatively easy to implement and at competitive costs.
Questo compito, nonch? questi ed altri scopi che meglio appariranno in seguito, sono raggiunti da un metodo di trattamento di rifiuti per la realizzazione di sottofondi stradali, piazzali e strati di fondazione in genere secondo la rivendicazione 1, opzionalmente dotato di una o pi? delle caratteristiche delle rivendicazioni dipendenti. This task, as well as these and other aims which will become apparent hereinafter are achieved by a waste treatment method for the construction of road foundations, yards and foundation layers in general according to claim 1, optionally provided with one or more? of the characteristics of the dependent claims.
Ulteriori caratteristiche e vantaggi del trovato risulteranno maggiormente dalla descrizione di una forma di esecuzione preferita, ma non esclusiva, del metodo di trattamento di rifiuti per la realizzazione di sottofondi stradali, piazzali e strati di fondazione in genere secondo il trovato Further characteristics and advantages of the invention will become clearer from the description of a preferred, but not exclusive, embodiment of the waste treatment method for making road foundations, yards and foundation layers in general according to the invention
Il metodo di trattamento di rifiuti per la realizzazione di sottofondi stradali, piazzali e strati di fondazione in genere secondo il trovato, comprende: The waste treatment method for making road foundations, yards and foundation layers in general according to the invention comprises:
- una fase predisposizione di materiale comprendente terra e/o rocce da scavo; - a preparation phase of material comprising earth and/or excavated rocks;
- una fase di predisposizione di materiale comprendente rifiuti inerti da costruzione e demolizioni; - a phase of preparation of material comprising inert waste from construction and demolition;
- una fase di predisposizione di materiali provenienti dall'industria della lavorazione di materiali inerti o minerale; - a phase of preparation of materials coming from the aggregate or mineral processing industry;
- una fase di predisposizione di fanghi provenienti dal taglio e dalla squadratura dell'industria ceramica; - a phase of preparation of sludge coming from the cutting and squaring of the ceramic industry;
- una fase di predisposizione di sabbie esauste e refrattari dell'industria fondiaria; - a preparation phase of spent sand and refractory materials from the foundry industry;
- una fase di predisposizione di fanghi provenienti da processi di potabilizzazione e dall'eliminazione della sabbia a prevalente contenuto di argilla, carbonato di calcio e limi; - dette fasi di predisposizione comprendendo una fase di frantumazione, vagliatura, omogenizzazione e selezione granulometrica di detti materiali per ottenere rispettivi aggregati una fase di miscelazione di detti rispettivi aggregati per ottenere una agglomerato finale presentante: - a phase for the preparation of sludge from purification processes and from the elimination of sand with a prevalent content of clay, calcium carbonate and silt; - said preparation steps comprising a step of crushing, screening, homogenization and granulometric selection of said materials to obtain respective aggregates a step of mixing said respective aggregates to obtain a final agglomerate having:
- aggregati di terra e/o rocce da scavo in percentuale compresa tra il 10% e il 20% in peso sul peso totale; - aggregates of earth and/or excavated rocks in a percentage between 10% and 20% by weight of the total weight;
- aggregati di rifiuti inerti da costruzione e demolizioni in percentuale compresa tra il 10% e il 20% in peso sul peso totale; - aggregates of inert construction and demolition waste in a percentage between 10% and 20% by weight of the total weight;
- aggregati di materiali provenienti dall'industria della lavorazione di materiali inerti o minerale in percentuale compresa tra il 15% e il 25% in peso sul peso totale; - aggregates of materials from the inert or mineral processing industry in a percentage between 15% and 25% by weight of the total weight;
- aggregati di fanghi provenienti dal taglio e dalla squadratura dell'industria ceramica in percentuale compresa tra il 10% e il 15% in peso sul peso totale; - sludge aggregates from cutting and squaring in the ceramic industry in a percentage between 10% and 15% by weight of the total weight;
- aggregati di sabbie esauste e refrattari dell'industria fondiaria in percentuale compresa tra il 10% e il 20% in peso sul peso totale; - exhausted sand aggregates and refractory materials from the foundry industry in a percentage between 10% and 20% by weight of the total weight;
- aggregati di fanghi provenienti da processi di potabilizzazione e dall'eliminazione della sabbia a prevalente contenuto di argilla, carbonato di calcio e limi in percentuale compresa tra il 10% e il 15% in peso sul peso totale; - sludge aggregates from purification processes and from the elimination of sand with a prevalent content of clay, calcium carbonate and silt in a percentage between 10% and 15% by weight of the total weight;
essendo inoltre prevista una fase di miscelatura di detto agglomerato finale con un legante idraulico per ottenere il prodotto finito. a step of mixing said final agglomerate with a hydraulic binder is also provided to obtain the finished product.
Opportunamente, il metodo di trattamento di rifiuti comprende ulteriormente, prima della fase miscelazione degli aggregati per ottenere un agglomerato finale, una fase di frantumazione, vagliatura, omogenizzazione e selezione granulometrica di fanghi e ritagli provenienti dall'industria della produzione dei marmi per ottenere rispettivi aggregati. Conveniently, the waste treatment method further comprises, before the step of mixing the aggregates to obtain a final agglomerate, a step of crushing, screening, homogenization and granulometric selection of sludge and cuttings from the marble production industry to obtain respective aggregates .
Convenientemente, il metodo di trattamento di rifiuti comprende ulteriormente, prima della fase miscelazione degli aggregati per ottenere un agglomerato finale, una fase di frantumazione, vagliatura, omogenizzazione e selezione granulometrica di materiale derivante da scarti di lavorazione di manufatti in calcestruzzo o manufatti in argilla per ottenere rispettivi aggregati. Conveniently, the waste treatment method further comprises, before the step of mixing the aggregates to obtain a final agglomerate, a step of crushing, screening, homogenization and granulometric selection of material deriving from processing scraps of concrete products or clay products for obtain respective aggregates.
E' altres? possibile prevedere che il metodo di trattamento di rifiuti comprenda ulteriormente, prima della fase miscelazione degli aggregati per ottenere un agglomerato finale, una fase di frantumazione, vagliatura, omogenizzazione e selezione granulometrica di materiale proveniente dal trattamento delle acque reflue industriali per ottenere rispettivi aggregati. Is it otherwise? It is possible to envisage that the waste treatment method further comprises, before the step of mixing the aggregates to obtain a final agglomerate, a step of crushing, screening, homogenization and granulometric selection of material deriving from the treatment of industrial waste water to obtain respective aggregates.
Il metodo di trattamento di rifiuti comprende ulteriormente, prima della fase miscelazione degli aggregati per ottenere un agglomerato finale, una fase di frantumazione, vagliatura, omogenizzazione e selezione granulometrica di materiale proveniente da attivit? di lavorazione di materiali lapidei di natura calcarea o silicea o di materiale proveniente dalla fabbricazione di prodotti ceramici, terrecotte, mattoni e mattonelle, laterizi, per ottenere rispettivi aggregati. The waste treatment method further comprises, before the stage of mixing the aggregates to obtain a final agglomerate, a stage of crushing, screening, homogenization and granulometric selection of material deriving from commercial activities. processing of calcareous or siliceous stone materials or material deriving from the manufacture of ceramic products, terracotta, bricks and tiles, bricks, to obtain respective aggregates.
Il metodo di trattamento di rifiuti comprende ulteriormente, prima della fase miscelazione degli aggregati per ottenere un agglomerato finale, una fase di frantumazione, vagliatura, omogenizzazione e selezione granulometrica di materiale proveniente dall'industria della calce e/o una fase di predisposizione di materiali provenienti da attivit? di drenaggio e di asportazione di materiale di natura fine (limi e argille, sabbia e ghiaie), per ottenere rispettivi aggregati. The waste treatment method further comprises, before the stage of mixing the aggregates to obtain a final agglomerate, a stage of crushing, screening, homogenization and granulometric selection of material from the lime industry and/or a stage of preparing materials from from activity drainage and removal of fine material (silts and clays, sand and gravels), to obtain respective aggregates.
Il metodo di trattamento di rifiuti comprende ulteriormente, prima della fase miscelazione degli aggregati per ottenere un agglomerato finale, una fase di frantumazione, vagliatura, omogenizzazione e selezione granulometrica di materiale proveniente da fanghi e inerti della lavorazione del vetro e/o una fase di predisposizione di materiali da decantazione naturale delle acque di lavaggio inerti per ottenere rispettivi agglomerati. The waste treatment method further comprises, before the stage of mixing the aggregates to obtain a final agglomerate, a stage of crushing, screening, homogenization and granulometric selection of material deriving from sludge and aggregates from glass processing and/or a preparation stage of materials from natural settling of inert washing water to obtain respective agglomerates.
Si ? in pratica constatato come il trovato raggiunga il compito e gli scopi preposti realizzando un agglomerato finale, destinato ad essere miscelato con legante idraulico (utilizzante cemento), ottenuto con materiali riciclati in modo tale da ottenere, dopo un adeguato tempo di stagionatura, sia una resistenza meccanica durevole anche in presenza di acqua e di gelo, sia il rispetto dei requisiti di ecocompatibilit?. Yes ? in practice it has been observed that the invention achieves the intended aim and objects by providing a final agglomerate, intended to be mixed with a hydraulic binder (using cement), obtained with recycled materials in such a way as to obtain, after an adequate curing time, both a resistance durable mechanics even in the presence of water and frost, and compliance with eco-compatibility requirements.
Il trovato, cos? concepito, ? suscettibile di numerose modifiche e varianti, tutte rientranti nell'ambito del concetto inventivo; inoltre, tutti i dettagli potranno essere sostituiti da altri elementi tecnicamente equivalenti. The found, what? conceived, ? susceptible to numerous modifications and variations, all of which are within the scope of the inventive concept; furthermore, all the details may be replaced by other technically equivalent elements.
In pratica, i materiali impiegati, purch? compatibili con l'uso specifico, nonch? le dimensioni e le forme contingenti, potranno essere qualsiasi a seconda delle esigenze e dello stato della tecnica. In practice, the materials used, provided? compatible with the specific use, as well as? the contingent dimensions and shapes may be any according to the requirements and to the state of the art.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT102020000011842A IT202000011842A1 (en) | 2020-05-21 | 2020-05-21 | METHOD OF TREATMENT OF WASTE FOR THE PRODUCTION OF AGGREGATES FOR THE CONSTRUCTION OF ROAD SUBSTRATES AND FOUNDATION LAYERS OF SUPERSTRUCTURES AND AREAS SUBJECT TO TRAFFIC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT102020000011842A IT202000011842A1 (en) | 2020-05-21 | 2020-05-21 | METHOD OF TREATMENT OF WASTE FOR THE PRODUCTION OF AGGREGATES FOR THE CONSTRUCTION OF ROAD SUBSTRATES AND FOUNDATION LAYERS OF SUPERSTRUCTURES AND AREAS SUBJECT TO TRAFFIC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT202000011842A1 true IT202000011842A1 (en) | 2021-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| IT102020000011842A IT202000011842A1 (en) | 2020-05-21 | 2020-05-21 | METHOD OF TREATMENT OF WASTE FOR THE PRODUCTION OF AGGREGATES FOR THE CONSTRUCTION OF ROAD SUBSTRATES AND FOUNDATION LAYERS OF SUPERSTRUCTURES AND AREAS SUBJECT TO TRAFFIC |
Country Status (1)
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| IT (1) | IT202000011842A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020051061A (en) * | 2000-12-22 | 2002-06-28 | 이일희 | Construction materials and related manufacturing method in use of waste materials |
| ITMI20071927A1 (en) * | 2007-10-05 | 2009-04-06 | Eco Men S R L A Socio Unico | CONGLOMERATED FOR BUILDING USE AND PROCESS OF PRODUCTION OF THE SAME |
| JP2015129260A (en) * | 2013-12-04 | 2015-07-16 | 東和スポーツ施設株式会社 | Material for soil |
| EP3093273A1 (en) * | 2015-05-15 | 2016-11-16 | Constant Van Reeth | Method for recycling calcium carbonate sludge |
| CN106986612A (en) * | 2017-03-02 | 2017-07-28 | 天津开发区天地信息技术有限公司 | Engineering soil stone recycling |
-
2020
- 2020-05-21 IT IT102020000011842A patent/IT202000011842A1/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020051061A (en) * | 2000-12-22 | 2002-06-28 | 이일희 | Construction materials and related manufacturing method in use of waste materials |
| ITMI20071927A1 (en) * | 2007-10-05 | 2009-04-06 | Eco Men S R L A Socio Unico | CONGLOMERATED FOR BUILDING USE AND PROCESS OF PRODUCTION OF THE SAME |
| JP2015129260A (en) * | 2013-12-04 | 2015-07-16 | 東和スポーツ施設株式会社 | Material for soil |
| EP3093273A1 (en) * | 2015-05-15 | 2016-11-16 | Constant Van Reeth | Method for recycling calcium carbonate sludge |
| CN106986612A (en) * | 2017-03-02 | 2017-07-28 | 天津开发区天地信息技术有限公司 | Engineering soil stone recycling |
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