Abstract
This work describes the investigation of the final flotation waste (FFW), originating from the RTB Bor Company (Serbia), as the main component for the production of glass-ceramic materials. The glass-ceramics was synthesized by the sintering of FFW, mixtures of FFW with basalt (10%, 20%, and 40%), and mixtures of FFW with tuff (20% and 40%). The sintering was conducted at the different temperatures and with the different time duration in order to find the optimal composition and conditions for crystallization. The increase of temperature, from 1100 to 1480?C, and sintering time, from 4 to 6h resulted in a higher content of hematite crystal in the obtained glass-ceramic (up to 44%). The glass-ceramics sintered from pure FFW (1080?C/36h) has good mechanical properties, such as high propagation speed (4500 m/s) and hardness (10800 MPa), as well as very good thermal stability. The glass-ceramics obtained from mixtures shows weaker mechanical properties compared to that obtained from pure FFW. The mixtures of FFW with tuff have a significantly lower bulk density compared to other obtained glass-ceramics. Our results indicate that FFW can be applied as a basis for obtaining the construction materials.
Highlights
The extraction of copper, especially flotation enrichment and pyrometallurgical processing of the copper concentrates, generates waste materials [1]
Аbstrаct: This work describes the investigation of the final flotation waste (FFW), originating from the RTB Bor Company (Serbia), as the main component for the production of glassceramic materials
This paper describes the research of potential application of FFW for obtaining the glass-ceramic materials.The glass-ceramics was synthesized by sintering the FFW (RTB Bor, Serbia), and FFW mixture with basalt (Slavujevac near Presevo, Serbia) and with tuff (Igros near Brus, Serbia)
Summary
The extraction of copper, especially flotation enrichment and pyrometallurgical processing of the copper concentrates, generates waste materials [1]. Such waste material is a major source of environmental pollution. According to data obtained by RTB Bor Company, the total amount of smelting slag waste deposited at the landfill is about 16 million tons [2, 3]. A copper smelter in Bor (Serbia) every day produces additional 700-1000 tons of waste slag with an average copper content of about 0.75% [2, 3]. The mass of the flotation tailings, located near Bor town, is estimated at about 27 million tons, with an average. Cocić et al /Science of Sintering, 49 (2017) 431-443
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
