Solar grade silicon production: A review of kinetic, thermodynamic and fluid dynamics based continuum scale modeling

S Yadav, K Chattopadhyay, CV Singh - Renewable and sustainable energy …, 2017 - Elsevier
The rapid growth in silicon photovoltaics deployment has led to increased research focus on
the energy and capital intensive refining of solar grade silicon for improved environmental …

Electrochemical production of silicon

K Yasuda, T Nohira - High Temperature Materials and Processes, 2022 - degruyter.com
Silicon solar cells are crucial devices for generating renewable energy to promote the
energy and environmental fields. Presently, high-purity silicon, which is employed in 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 …

Removal of oxygen, nitrogen, and inclusions in powder superalloy scraps by electron beam smelting and induced solidification and the purification mechanisms

X You, G Dong, H Zhou, H Zhang, Y Tan… - Separation and …, 2023 - Elsevier
More and more attention has been paid to re-use of the scraps of superalloy ingots with the
development of green manufacturing. However, the high content of O and N as well as …

Separation and recovery of metallic zinc and iron concentrate from blast furnace dust by vacuum carbothermal reduction

X Deng, R Huang, X Lv, J Yang, J Yang - Process Safety and …, 2022 - Elsevier
Theoretical calculations and experimental studies were used to investigate a process
involving the evaporation, condensation, and separation of blast furnace dust with vacuum …

Recycling silicon kerf waste: Use cryolite to digest the surface oxide layer and intensify the removal of impurity boron

G Chen, Y Li, L Huang, J Peng, L Tang… - Journal of Hazardous …, 2022 - Elsevier
The surface oxide layer (SiO 2 layer) is still one of the main limitations of the recovery and
purification of silicon kerf waste (SKW). Herein, to recycle SKW as the low-boron silicon …

Removal of aluminum and calcium in multicrystalline silicon by vacuum induction melting and directional solidification

Y Tan, S Ren, S Shi, S Wen, D Jiang, W Dong, M Ji… - Vacuum, 2014 - Elsevier
A multicrystalline silicon ingot was obtained from metallurgical-grade silicon by vacuum
induction melting and directional solidification. Based on the concentration distributions of …

[HTML][HTML] Vacuum refining of silicon at ultra-high temperatures

A Hoseinpur, J Safarian - Vacuum, 2021 - Elsevier
In the production of solar grade silicon (SoG-Si), Phosphorus (P) removal from Si is a
challenge as it cannot be eliminated effectively by the final key directional solidification step …

Removal of metal impurities from diamond wire saw silicon powder by vacuum electromagnetic directional solidification

F Meng, F Xi, J Wu, W Ma, K Wei, S Li, Z Chen, Y Ren - Vacuum, 2024 - Elsevier
The utilization of high-purity silicon (∼ 99.9999%) is prevalent in the solar photovoltaic
sector, and achieving a reduction in its cost has emerged as a pivotal engineering objective …

[HTML][HTML] Kinetic study of vacuum evaporation of elements from ternary melts; case of dilute solution of P in Si-Al melts

A Hoseinpur, K Tang, J Safarian - Separation and Purification Technology, 2020 - Elsevier
This research is devoted to study phosphorus removal from Si-Al alloys by vacuum refining
of the ternary system of dilute solutions of P in Si-20 wt% Al. The experiments were carried …