A review of hydrometallurgy techniques for the removal of impurities from metallurgical-grade silicon

F **, S Li, W Ma, Z Chen, K Wei, J Wu - Hydrometallurgy, 2021 - Elsevier
Hydrometallurgy is considered a promising method to produce solar-grade silicon (SOG-Si)
from metallurgical-grade silicon (MG-Si) due to its advantages of low cost, simple operation …

Materials availability expands the opportunity for large-scale photovoltaics deployment

C Wadia, AP Alivisatos… - Environmental science & …, 2009 - ACS Publications
Solar photovoltaics have great promise for a low-carbon future but remain expensive relative
to other technologies. Greatly increased penetration of photovoltaics into global energy …

High-temperature refining of metallurgical-grade silicon: A review

MD Johnston, LT Khajavi, M Li, S Sokhanvaran… - Jom, 2012 - Springer
Among currently known alternatives for renewable energy sources, solar power is generally
regarded as having the most potential to satisfy the ever-growing demand. While solar …

Progress in recovery and recycling of kerf loss silicon waste in photovoltaic industry

J Li, Y Lin, F Wang, J Shi, J Sun, B Ban, G Liu… - Separation and …, 2021 - Elsevier
With the rapid growth of the photovoltaic (PV) industry, the amount of the silicon waste has
substantially increased, resulting in serious environmental problems. This waste mainly …

Towards solar grade silicon: Challenges and benefits for low cost photovoltaics

S Pizzini - Solar energy materials and solar cells, 2010 - Elsevier
It is well known that silicon in its various structural configurations (single crystal,
multicrystalline, amorphous, micro-nanocrystalline) supplies almost 90% of the substrates …

Thermal analysis of Al–Si alloys as high-temperature phase-change material and their corrosion properties with ceramic materials

R Fukahori, T Nomura, C Zhu, N Sheng, N Okinaka… - Applied energy, 2016 - Elsevier
This study reports the thermal analysis of Al–Si alloys as candidate high-temperature phase-
change materials (PCM) for temperatures above 500° C and the corrosion behavior of the …

[HTML][HTML] Refining of metallurgical silicon by directional solidification

MA Martorano, JBF Neto, TS Oliveira… - Materials Science and …, 2011 - Elsevier
The directional solidification of a typical and a previously refined metallurgical silicon was
carried out in a vertical Bridgman furnace. The mold velocity out of the hot zone of the …

[BOOK][B] Waste production and utilization in the metal extraction industry

S Ndlovu, GS Simate, E Matinde - 2017 - taylorfrancis.com
Increasingly stringent environmental regulations and industry adoption of waste
minimization guidelines have thus, stimulated the need for the development of recycling and …

Distribution of impurity elements in slag–silicon equilibria for oxidative refining of metallurgical silicon for solar cell applications

MD Johnston, M Barati - Solar energy materials and solar cells, 2010 - Elsevier
The possibility of refining metallurgical grade silicon to a high-purity product for solar cell
applications by the slagging of impurity elements was investigated. Distribution coefficients …

A novel approach for recycling of kerf loss silicon from cutting slurry waste for solar cell applications

TY Wang, YC Lin, CY Tai, R Sivakumar, DK Rai… - Journal of Crystal …, 2008 - Elsevier
A great challenge in recycling of silicon cutting kerf loss is the complete removal of silicon
carbide particles. High-gravity centrifugation using a heavy medium with a specific gravity in …