Electric Arc Furnace slag
Model of phosphorus precipitation and crystal formation in Electric Arc Furnace steel slag filters
... calcium-rich slag filter can be increased by providing an efficient upstream ...the slag filter, limiting biofilm formation and solids accumulation that would favor filter ...the slag filter can be ...
20
Mining Wastewater Treatment by Slag Filters
... reactive slag filter and to prioritize on phosphorus removal. 1.2 What is slag ? Slag is a waste material produced in iron and steel ...in slag. Different varieties of slag exist, ...
99
New EAF Slag Characterization Methodology for Strategic Metal Recovery
... choice. Slag from the steelmaking sector contains a significant amount of metals; therefore, it must be considered to be an abundant secondary resource for several strategic materials, especially ...generated ...
15
Alkaline hydrometallurgical approach for steel slag management
... ("Electric Arc Furnace slags from Stainless steel production") Conclusions The innovation was implementing selective unitary operations set on the chemical nature of (EAF-S) non-ferrous ...
2
Saturn’s elusive nightside polar arc
... the arc contracts and the decrease in area is balanced by the poleward expansion of the bright region at dawn, indicative of tail reconnection (Dungey type) with a flux closure rate of ∼ 500 ...polar arc ...
8
PERD program on electric mobility - plug-in hybrid electric vehicles
... – World-class scientific expertise in niches critical to PHEV technology (electric storage, motors, inverters, chargers and their integration), and policy and regulatory development • Electric Mobility ...
30
Insights Into Nickel Slag Carbonation in a Stirred Bead Mill
... Pending additional confirmation, this finding is positive for the improvement of the attrition-leaching carbonation process. Indeed, if the carbonation limitation were of a thermodynamic nature, nothing simple could be ...
16
Electric-field effect on coercivity distributions in FePt magneto-electric devices
... compound, resulting from the voltage-induced 3d/5d band filling 1,7 . In Ref. [1], the change in the electron density was obtained by creating an electric field between the sample and a so-called ...
10
«ARC»: Simulateur d'architecture de réseaux de communications
... dans ARC peuvent eˆtre remplace´es facile- ment a` condition que les nouvelles classes de structures de donne´es fournissent les meˆmes attributs et les meˆmes me´thodes (e´ventuellement enrichies) que les ...
28
Design and fabrication of a tin-sulfide annealing furnace
... The furnace was designed to transfer heat from the nichrome wire to the two sections of the quartz tube, while minimizing heat loss to the surrounding environment.. To quant[r] ...
23
Estimation of the power flux supplied by an electric arc to Ag-SnO2 electrodes based on cross-section observations of the melted zone
... 2 Description of the experimental device for electric tests A schematic description of the electrical circuit considered in this work is shown in Figure 2 . The power supply is an alternative voltage source (230 V ...
12
The surveys of Castel-Minier slag heaps: interdisciplinary approach
... Abstract: Castel-Minier site was one of the most important silver mines in the French kingdom during the second part of the 14 th Century. New research began in 2003 and carried out two slags deposits which showed ...
10
Insights Into Nickel Slag Carbonation in a Stirred Bead Mill
... Pending additional confirmation, this finding is positive for the improvement of the attrition-leaching carbonation process. Indeed, if the carbonation limitation were of a thermodynamic nature, nothing simple could be ...
17
Caractérisation expérimentale d'un arc impulsionnel
... d’un arc transféré avec un courant de 500A, Cao et al [Cao-1] ont déduit à partir d’un modèle que la proportion de la puissance transférée à l’anode passe de 31% à 24% de la puissance de l’arc pour une distance ...
236
Influence of the slag content on the hydration of blended cement
... Abstract Slag is increasingly used for replacing a part of ...of slag modifies the hydration process and so the physico-chemical properties (such as porosity, transport properties…) of cementitious ...of ...
13
Influence of slag composition on the hydration of alkali-activated slags
... A possible Portland cement free bin- der can be obtained by the activation of ground-granulated blast-furnace slag by alkaline solutions, e.g. alkali silicates, hydroxides, or carbonates. Such alkali ...
17
Removal of phosphate from wastewater using coal slag
... Adsorption is an efficient, cost-effective, and eco-friendly method for the treatment of phosphorus from wastewater. This work pre- sents the adsorptive removal of phosphate ions in aqueous solution using coal slag ...
12
Optimal soft arc consistency
... In this paper, we show that by relaxing the condition that costs be integers and by allowing simultaneous cost move- ments between cost functions, it is possible to define a new class of local consistency such that finding ...
7
en fr Experimental and numerical study of an electric arc in liquid Etude expérimentale et numérique d'un arc électrique dans un liquide
... Dans de nombreuses régions du monde, les réserves de gaz et de pétroles se situent généralement à des profondeurs élevées (1000 m à 4000 m) et sont piégées par des roches très imperméables. Or le forage classique ...
227
Observation of metallurgical changes induced by an electric arc to Ag-SnO2-CuO electrodes
... the arc) consists of relatively small grains not well resolved in ...the arc. It is worth noting, however, that due to a very short arc action, we do not expect any significant Ag grain growth and ...
7