Basic oxygen steelmaking (BOS) slag, a product of hot metal element (e.g., Si, Mn, Fe, P) oxidation and flux (e.g. lime, dolomite) dissolution, plays critical role in the production high-quality crude steel, although its behavior inside BOS vessel (formation reaction with droplets gas) is still not clear recycling has always been challenging. Herein, examples BOS-slag-related research conducted...

Clinker-free, carbonate-bonded monoliths are prepared by accelerated carbonation for immobilization of hazardous elements present in: a stainless-steel slag, two copper slags, and one lead slag. In addition to the studies on individual mixes slags with 33 % 66 replacements slag also studied. Combinations temperatures (30 60 °C) three CO2-pressures (1, 5, 10 barg) Among non-ferrous carbonated in...

This study analyzes six slags excavated from the iron making site in Gogi-ri, Namwon, Korea to understand characteristics of ruins, and confirm process performed at time. The chemical components by-products Gogi-ri were analyzed, findings indicate total Fe contents between 23.24% 37.56%, which are lower than typical content found ancient processes. deoxidation agent ranged 43.88% 58.13%, higher...

Granulated iron silicate slag, a by-product of pyrometallurgical copper extraction, has excellent properties for construction applications. Slag modification with CaO enhances the application regarding pozzolanic reactivity, potentially extending slag use in future. The slags’ short-term leaching behavior already been investigated promising results, while long-term effects are less studied. The...

Crystal morphology is controlled by several physicochemical parameters such as the temperature, pressure, cooling rate, nucleation, diffusion, volatile composition, and viscosity. The development of different crystal morphologies observed a function rate in many rock types (i.e., glassy volcanic rocks, archeometallurgical slags). Crystallization two-stage kinetic process that begins with format...

Dissolution of diopside-bearing slag and its amorphous counterpart was investigated to decipher recovery potential these slags. The contribution direct phase dissolution using a biotic solution with Acidithiobacillus thiooxidans versus sterile growth medium, whereas citric acid applied demonstrate slags in organic medium. Potential metal donor phases easily released elements were identified by ...

The oxidation balance is arguably one of the most important parameters during pyrometallurgical processes. In many cases, iron abundant multivalent element present in silicate slags. Within these molten oxide mixtures, oxygen dominated by relative fractions Fe3+ and Fe2+ present. Measuring concentration ferrous ferric quenched slags can provide useful information about state liquid slag at mome...