Towards a viable method of reusing silicon carbide. Physicochemical analyses in the studies on the industrial application of the material

• Autorzy: Niemczyk-Wojdyła Anna , Fornalczyk Agnieszka , Willner Joanna , Zawisz Rafał

Identyfikatory

DOI

10.37190/epe210403

• Języki publikacji: EN

Abstrakty

EN

The paper presents an investigation on the feasibility of recovery of the highly valuable silicon carbide (SiC) from the slurry waste generated from silicon wafer production in the photovoltaic and semiconductor industry. Compared to the other techniques of recycling, a facile and low-cost method of waste treatment via heat drying followed by low-energy mixing in a shaker mixer was proposed. As the result of the treatment, the slurry waste was converted into a powdered form with dominant content of SiC. Separated SiC material was characterized by scanning electron microscopy, energy-dispersive X-ray spectroscopy, X-ray powder diffraction, and sieve analysis. In addition, analyses of the bulk density, moisture content and melting test were carried out. As was confirmed by the physicochemical analyses, the dominant sieve fraction was in the range of 0.1-0.06 mm, the purity level was a minimum 99% mass of SiC, the moisture content - 0.3%, the bulk density - 1.3 g/cm³. The physicochemical characteristics of the material were crucial for understanding the material performance, assessment of the material quality and determining the perspective directions of the industrial application. The studies revealed that the material exhibited a high application potential as abrasive, especially in abrasive grinding and waterjet cutting.

Słowa kluczowe

EN

silicon carbide; X-ray spectroscopy; Acheson process

PL

węglik krzemu; spektroskopia rentgenowska; proces Achesona

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2021
• Tom: Vol. 47, nr 4
• Strony: 43--52
• Opis fizyczny: Bibliogr. 24 poz., rys., tab.

Twórcy

autor

Niemczyk-Wojdyła Anna

• Ad Moto Rafał Zawisz, Aleja Rozdzieńskiego 188B, 40-203 Katowice, Poland

• https://orcid.org/0000-0001-8568-7478

autor

Fornalczyk Agnieszka

• Silesian University of Technology, Faculty of Materials Engineering, ul. Krasińskiego 8, 40-019 Katowice, Poland

• https://orcid.org/0000-0002-2149-1422

autor

Willner Joanna

• Silesian University of Technology, Faculty of Materials Engineering, ul. Krasińskiego 8, 40-019 Katowice, Poland

• https://orcid.org/0000-0003-3369-3678

autor

Zawisz Rafał

• Ad Moto Rafał Zawisz, Aleja Rozdzieńskiego 188B, 40-203 Katowice, Poland

• https://orcid.org/0000-0002-1123-5476

Bibliografia

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