Cement Bypass Dust as an Ecological Binder Substitute in Autoclaved Silica–Lime Products
The cement industry is one of the most developed industries in the world. However, it consumes excessive amounts of natural resources and can negatively impact the environment through its by-products: carbon dioxide (CO<sub>2</sub>), cement clinker dust (CKD) and cement bypass dust (CBPD...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2022-12-01
|
| Series: | Materials |
| Subjects: | |
| Online Access: | https://www.mdpi.com/1996-1944/16/1/316 |
| _version_ | 1797625312235749376 |
|---|---|
| author | Katarzyna Borek Przemysław Czapik Ryszard Dachowski |
| author_facet | Katarzyna Borek Przemysław Czapik Ryszard Dachowski |
| author_sort | Katarzyna Borek |
| collection | DOAJ |
| description | The cement industry is one of the most developed industries in the world. However, it consumes excessive amounts of natural resources and can negatively impact the environment through its by-products: carbon dioxide (CO<sub>2</sub>), cement clinker dust (CKD) and cement bypass dust (CBPD). The amount of dust generated in the cement clinker production process depends largely on the technology used. It typically ranges from 0 to 25% by weight of the clinker, and a single cement plant is capable of producing 1000 tons of CBPD per day. Despite practical applications in many areas, such as soil stabilisation, concrete mix production, chemical processing or ceramic and brick production, the dust is still stored in heaps. This poses an environmental challenge, so new ways of managing it are being sought. Due to the significant content of free lime (>30%) in CBPD, this paper uses cement bypass dust as a binder replacement in autoclaved silica–lime products. Indeed, the basic composition of silicate bricks includes 92% sand, 8% lime and water. The investigation shows that it is possible to completely replace the binder with CBPD dust in the autoclaved products. The obtained results showed that all properties of produced bricks were satisfactory. The study concluded that many benefits could be achieved by using cement bypass dust in the production of bricks, including economic bricks for building, reducing the dependency on natural resources, reducing pollution and reducing negative impacts on the environment. |
| first_indexed | 2024-03-11T09:54:47Z |
| format | Article |
| id | doaj.art-31a8a5d111ac4d3d95ac33c1bcacafe7 |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-11T09:54:47Z |
| publishDate | 2022-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-31a8a5d111ac4d3d95ac33c1bcacafe72023-11-16T15:49:59ZengMDPI AGMaterials1996-19442022-12-0116131610.3390/ma16010316Cement Bypass Dust as an Ecological Binder Substitute in Autoclaved Silica–Lime ProductsKatarzyna Borek0Przemysław Czapik1Ryszard Dachowski2Faculty of Civil Engineering and Architecture, Kielce University of Technology, Al. Tysiąclecia Państwa Polskiego 7, 25-314 Kielce, PolandFaculty of Civil Engineering and Architecture, Kielce University of Technology, Al. Tysiąclecia Państwa Polskiego 7, 25-314 Kielce, PolandFaculty of Civil Engineering and Architecture, Kielce University of Technology, Al. Tysiąclecia Państwa Polskiego 7, 25-314 Kielce, PolandThe cement industry is one of the most developed industries in the world. However, it consumes excessive amounts of natural resources and can negatively impact the environment through its by-products: carbon dioxide (CO<sub>2</sub>), cement clinker dust (CKD) and cement bypass dust (CBPD). The amount of dust generated in the cement clinker production process depends largely on the technology used. It typically ranges from 0 to 25% by weight of the clinker, and a single cement plant is capable of producing 1000 tons of CBPD per day. Despite practical applications in many areas, such as soil stabilisation, concrete mix production, chemical processing or ceramic and brick production, the dust is still stored in heaps. This poses an environmental challenge, so new ways of managing it are being sought. Due to the significant content of free lime (>30%) in CBPD, this paper uses cement bypass dust as a binder replacement in autoclaved silica–lime products. Indeed, the basic composition of silicate bricks includes 92% sand, 8% lime and water. The investigation shows that it is possible to completely replace the binder with CBPD dust in the autoclaved products. The obtained results showed that all properties of produced bricks were satisfactory. The study concluded that many benefits could be achieved by using cement bypass dust in the production of bricks, including economic bricks for building, reducing the dependency on natural resources, reducing pollution and reducing negative impacts on the environment.https://www.mdpi.com/1996-1944/16/1/316CBPDfree CaOautoclaved productslime binder replacementsand–lime bricks |
| spellingShingle | Katarzyna Borek Przemysław Czapik Ryszard Dachowski Cement Bypass Dust as an Ecological Binder Substitute in Autoclaved Silica–Lime Products Materials CBPD free CaO autoclaved products lime binder replacement sand–lime bricks |
| title | Cement Bypass Dust as an Ecological Binder Substitute in Autoclaved Silica–Lime Products |
| title_full | Cement Bypass Dust as an Ecological Binder Substitute in Autoclaved Silica–Lime Products |
| title_fullStr | Cement Bypass Dust as an Ecological Binder Substitute in Autoclaved Silica–Lime Products |
| title_full_unstemmed | Cement Bypass Dust as an Ecological Binder Substitute in Autoclaved Silica–Lime Products |
| title_short | Cement Bypass Dust as an Ecological Binder Substitute in Autoclaved Silica–Lime Products |
| title_sort | cement bypass dust as an ecological binder substitute in autoclaved silica lime products |
| topic | CBPD free CaO autoclaved products lime binder replacement sand–lime bricks |
| url | https://www.mdpi.com/1996-1944/16/1/316 |
| work_keys_str_mv | AT katarzynaborek cementbypassdustasanecologicalbindersubstituteinautoclavedsilicalimeproducts AT przemysławczapik cementbypassdustasanecologicalbindersubstituteinautoclavedsilicalimeproducts AT ryszarddachowski cementbypassdustasanecologicalbindersubstituteinautoclavedsilicalimeproducts |