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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Kirkelund, Gunvor Marie
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (23/23 displayed)
- 2024Mapping circular economy practices for steel, cement, glass, brick, insulation, and wood – A review for climate mitigation modelingcitations
- 2022Influence of ash type and mixing methods on workability and compressive strength when using Greenlandic MSWI fly ash as cement replacement in mortar
- 2022Effects of Chlorides and Sulphates on Heavy Metal Leaching from Mortar with Raw and Electrodialytically Treated MSWI Fly Ashcitations
- 2021Impact of electrodialytic remediation of MSWI fly ash on hydration and mechanical properties of blends with Portland cementcitations
- 2020Screening of untreated municipal solid waste incineration fly ash for use in cement-based materials: chemical and physical propertiescitations
- 2019Characterization of sewage sludge ash and its effect on moisture physics of mortarcitations
- 2019Electrodialytically treated MSWI fly ash use in clay bricks
- 2019Screening Untreated Municipal Solid Waste Incineration Fly Ash for Use in Cement-Based Materials – Chemical and Physical Properties
- 2018Using polycarbobetaines for cu recovery from catholytes generated by electrodialytic treatment of sewage sludge ash
- 2017Colour, compressive strength and workability of mortars with an iron rich sewage sludge ashcitations
- 2016Wood ash used as partly sand and/or cement replacement in mortarcitations
- 2016Replacement of 5% of OPC by fly ash and APC residues from MSWI with electrodialytic pre-treatment
- 2015Ammonium citrate as enhancement for electrodialytic soil remediation and investigation of soil solution during the processcitations
- 2015Multivariate methods for evaluating the efficiency of electrodialytic removal of heavy metals from polluted harbour sedimentscitations
- 2014Electrodialytically treated MSWI APC residue as substitute for cement in mortar
- 2014The Aesthetical quality of SSA-containing mortar and concrete
- 2013Effect of pulse current on acidification and removal of Cu, Cd, and As during suspended electrodialytic soil remediationcitations
- 2012Electrodialytic remediation of suspended soil – Comparison of two different soil fractionscitations
- 2012Testing the possibility for reusing mswi bottom ash in Greenlandic road construction
- 2012Characterisation of MSWI bottom ash for potential use as subbase in Greenlandic road construction
- 2009Electrodialytic remediation of harbour sediment in suspension - Evaluation of effects induced by changes in stirring velocity and current density on heavy metal removal and pHcitations
- 2007Electrodialytic extraction of Cd and Cu from sediment from Sisimiut Harbour, Greenlandcitations
- 2005Acidification of Harbour sediment and removal of heavy metals induced by water splitting in electrodialytic remediation.citations
Places of action
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article
Characterization of sewage sludge ash and its effect on moisture physics of mortar
Abstract
A study was carried out to investigate the potential use of ash obtained as an incinerated by-product in sewage sludge treatment, as a possible supplementary cementitious material. Chemical parameters and granulometry of the sewage sludge ash and selected physical and hygroscopic properties of cement-ash-based mortar are presented and compared with results from previous studies. The effect of different ratios of cement substitution and two pre-treatment methods for ash, i.e. ash grinding and water washing, on the physical properties of mortar were investigated by using density, porosity and compressive strength as elemental indicators of the mortar quality. The hygroscopic sorption properties of the individual constituents alone and the resulting mortar samples were described by sorption isotherms for water vapour and by a capillary water absorption test. Results showed that the SSAs typically consisted of larger particles compared to the cement particles. Incorporation of ash resulted in more porous mortar structures compared to cement-based mortar, which affected the material's mechanical properties such as the compressive strength. 28-day compressive strength decreased with increasing ash content and porosity. Cement conveyed the greatest ability to adsorb and react with water and there were clear differences between the different ashes. Despite the differences in sorption properties between the different constituents, the effect of ash content on mortar sorption isotherms was negligible.