CORE
🇺🇦
make metadata, not war
Services
Services overview
Explore all CORE services
Access to raw data
API
Dataset
FastSync
Content discovery
Recommender
Discovery
OAI identifiers
OAI Resolver
Managing content
Dashboard
Bespoke contracts
Consultancy services
Support us
Support us
Membership
Sponsorship
Community governance
Advisory Board
Board of supporters
Research network
About
About us
Our mission
Team
Blog
FAQs
Contact us
Effect of the Nano-Ca(OH)2 addition on the Portland clinker cooking efficiency
Authors
Luca Bartolucci
Serena Casagrande
+11 more
Paola Comodi
Alessandro Di Michele
Silvia Gentili
Gabriele Lanzafame
Lucia Mancini
Alessandro Neri
Gianluca Polidori
Fabio Santinelli
Francesco Vetere
Riccardo Vivani
Azzurra Zucchini
Publication date
1 January 2019
Publisher
Basel : MDPI AG
Doi
Cite
Abstract
A new technology was tested to improve the cooking efficiency of the raw mixture for Portland clinker production by the use of nano-Ca(OH)2. A decrease in the free lime concentration after the firing of approximately 35% and 55% in the nano-added clinkers burned at 1350 °C and 1450 °C, respectively, with respect to the standard Portland clinkers was observed. Moreover, in the nano-added clinkers, a slight decrease in alite (C3S), of approximately 2-4 wt%, and increase in belite (C2S), of approximately 5-6 wt%, were observed. Despite these variations, the C2S and C3S abundance lies within the ranges for standard Portland clinkers. The results showed that the nano-addition leads to an increase of the raw mixtures' cooking efficiency. The relatively low energy required for the clinker firing could be used to increase the plant productivity and decrease the CO2 emissions during clinker burning. The decrease of the work index of the clinkers produced by the use of the nano-Ca(OH)2 also contributes to the energy saving during clinker grinding. Differences were also found in the pore size distribution among nano-added clinkers and the standard Portland clinker. The smallest porosities with the modal volume lying in the class of 3 × 10-6 mm3 were found to increase by the use of nano-Ca(OH)2. However, the pore volumes higher than 2.0 × 10-5 mm3 decreased in the nano-added clinkers. © 2019 by the authors
Similar works
Full text
Open in the Core reader
Download PDF
Available Versions
Institutionelles Repositorium der Leibniz Universität Hannover
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:www.repo.uni-hannover.de:1...
Last time updated on 11/04/2021