Potential and current practices of recycling waste printed circuit boards: A review of the recent progress in pyrometallurgy

F Faraji, R Golmohammadzadeh, CA Pickles - Journal of environmental …, 2022 - Elsevier
Over the last few decades, a substantial amount of e-waste including waste printed circuit
boards (WPCBs) has been produced and is accumulating worldwide. More recently, the rate …

Recycling of ironmaking and steelmaking slags in Japan and China

H Matsuura, X Yang, G Li, Z Yuan… - International Journal of …, 2022 - Springer
The mass production of steel is inevitably accompanied by large quantities of slags. The
treatment of ironmaking and steelmaking slags is a great challenge in the sustainable …

Effect of Temperature on Dephosphorization of Hot Metal in Double‐Slag Converter Steelmaking Process by High‐Temperature Laboratorial Experiments

W Yang, J Yang, Y Shi, Z Yang, F Gao… - steel research …, 2021 - Wiley Online Library
The influence of temperature on the dephosphorization of hot metal at the low temperature
range of 1300–1450° C with the slag of the low basicity (CaO/SiO2) of about 1.8 is …

Behavior of phosphorus enrichment in dephosphorization slag at low temperature and low basicity

G Ye, J Yang, R Zhang, W Yang, H Sun - International Journal of Minerals …, 2021 - Springer
At low basicity and low temperature, the dephosphorization behavior and phosphorus
distribution ratio (LP) between slag and molten steel in the double slag and remaining slag …

Recent research progress on recycling metallurgical waste slag and strengthening directional recovery of impurity elements by applied electric field

W Xia, Y Zhou, Z Hou, S Chu, P Ren, Z Liao… - Chemical Engineering …, 2024 - Elsevier
The green, efficient, and pollution-free recycling of metallurgical waste slag has garnered
global attention. This study reviews the latest technologies for the recycling of steel slag (SS) …

Effects of interfacial oxygen potential and slag phase changing during slag formation process on dephosphorization behavior

Y Xia, J Li, D Fan, G Hou - ISIJ International, 2019 - jstage.jst.go.jp
The effects of interfacial oxygen potential and slag phase changing during slag formation
process on dephosphorization behavior when the decarburization slag is recycled are …

Effect of Na2O and B2O3 on the distribution of P2O5 between solid solution and liquid phases slag

S Xie, W Wang, Y Liu, H Matsuura - ISIJ international, 2014 - jstage.jst.go.jp
With the development of multiphase slag system for hot-metal treatment to achieve better
dephosphorization efficiency, it is very important to improve the distribution ratio of P 2 O 5 …

Production and utilisation of iron and steelmaking slag in Japan and the application of steelmaking slag for the recovery of paddy fields damaged by Tsunami

X Gao, M Okubo, N Maruoka… - Mineral Processing …, 2015 - journals.sagepub.com
In Japan, about 40 million tonnes of slag is generated annually during the iron and
steelmaking process. This large amount of byproduct warrants investigation on its disposal …

Activity of P2O5 in Solid Solution between Di-calcium Silicate and Tri-calcium Phosphate at 1823 and 1873 K

M Zhong, H Matsuura, F Tsukihashi - ISIJ International, 2015 - jstage.jst.go.jp
By applying the chemical equilibrium method, the equilibrium between liquid iron and 2CaO∙
SiO 2-3CaO∙ P 2 O 5 solid solution has been measured with oxygen partial pressure of …

Separation of FeO and P2O5 from steelmaking slag utilizing capillary action

T Miki, S Kaneko - ISIJ International, 2015 - jstage.jst.go.jp
The recoverability of FeO and P resources from steelmaking slag was investigated using a
novel mechanical approach involving capillary action. After determining the phase …