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Mine fire behavior under different ventilation conditions: real-scale tests and CFD modeling
(Multidisciplinary Digital Publishing Institute, 2020-05-13)
Article
Open AccessFires in underground spaces are especially relevant due to their potential mortality. However, there is not much research in real-scale spaces done so far. In this study, several fire scenarios were analyzed in an underground ... -
Fabrication, microstructure, and properties of fired clay bricks using construction and demolition waste sludge as the main additive
(2020-06-10)
Article
Restricted access - publisher's policyGreen routes to prepare or manufacture sustainable building materials have been attracting much attention over the years targeting sustainability issues. In this investigation, for the first time, sludge from the inert ... -
Demolished concretes recycling by the use of pneumatic jigs
(2020-01-01)
Article
Open AccessLarge quantities of construction and demolition waste is generated annually around the world. Part of this material is processed in recycling plants. After removing metals, fines and lights, the construction and demolition ... -
Assessment of errors in the transmission of the orientation and cartographic system from the surface to an underground mine
(2020-02-01)
Article
Open AccessAn accurate transmission of the orientation between surface and underground workings, by means of vertical shafts, is a major challenge in the mining industry, especially for deep mines. We assessed the accuracy of this ... -
The early Cambrian Chahmir shale-hosted Zn-Pb deposit, Central Iran: an example of vent-proximal SEDEX mineralization
(2015-06-01)
Article
Open AccessThe Chahmir zinc-lead deposit (1.5 Mt @ 6 % Zn + 2 % Pb) in Central Iran is one among several sedimentary-exhalative Zn-Pb deposits in the Early Cambrian Zarigan-Chahmir basin (e.g., Koushk, Darreh-Dehu, and Zarigan). The ... -
Effect of processing parameters on copper powder produced by novel hybrid atomisation technique
(2020-02-04)
Article
Restricted access - publisher's policy -
Fracturing and near-surface diagenesis of a silicified miocene deltaic sequence: the Montjuïc Hill (Barcelona)
(2020-02-01)
Article
Open AccessNear-surface diagenesis has been studied in the Langhian siliciclastic rocks of the Montjuïc Hill (Barcelona Plain) by means of petrographical (optical and cathodoluminescence) and geochemical (electron microprobe, d18O, ... -
Adsorption and recovery of phosphate from aqueous solution by the construction and demolition wastes sludge and its potential use as phosphate-based fertiliser
(Elsevier, 2020-02-01)
Article
Open AccessThis study aimed to investigate phosphate removal from aqueous effluents by an inorganic sludge from the inert part of construction and demolition wastes (CSW) as adsorbent. It is also discussed the application of the ... -
Affinity of dual energy X-ray transmission sensors on minerals bearing heavy rare earth elements
(2020-03-01)
Article
Restricted access - publisher's policyThis work demonstrates the effective use of automatic sensor-based sorting technology as a viable separation method for rare earth element (REE) rich ores composed primarily of xenotime minerals with gagarinite-(Y) and ... -
Occurrence of carbon nanotubes and implication for the siting of elements in selected anthracites
(2020-03-01)
Article
Restricted access - publisher's policyPetrographic, geochemical, and electron microbeam investigations of selected anthracites and anthracite-rank coaly shales were conducted. The Pennsylvania, Rhode Island, and KwaZu-Natal anthracites show an enrichment in ... -
Ventilation friction factor determination and comparison: two case studies of potash mining
(2019-10)
Article
Open AccessFriction factor is a crucial parameter in assessing and modelling ventilation systems in underground mining. However, the development of a mine along its life-cycle can complicate the airflow supply required at the working ... -
High-pressure grinding rolls: model validation andfunction parameters dependency on processconditions
(Elsevier, 2019)
Article
Open AccessA model for High Pressure Grinding Rolls (HPGR) was developed in this work based on thewidely used Population Balance Model (PBM). This approach uses a variety of different func-tions one of which is the breakage distribution ...
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