Phlogopite, a mineral produced in large quantities by the mining industry, has potential applications in the cement industry, fertilizers, and carbon storage, but its use is limited by the slow dissolution caused by its stable crystalline structure. This study investigated the combined effect of ultrasound waves and organic ligands (citrate, oxalate, and ethylenediamine) on the extraction of elements from phlogopite at acidic and neutral pH using batch dissolution experiments. It was hypothesized that sonicated samples would exhibit improved dissolution compared to mechanically stirred samples.
View Article and Find Full Text PDFIonizing radiation from natural and many synthetic sources is a remarkable tool in many scientific, production, quality control, food preservation, medical, security, and other technological processes. The need to protect humans (public and personnel), gadgets, the environment, and animals from the harmful effects of radiation, while maintaining and expanding the scope of application has made radiation protection an important topic to discuss. Among the methods and materials available for radiation control, shielding and the use of glass shields are the most effective and attractive methods and materials, respectively.
View Article and Find Full Text PDFThe accumulation of electric arc furnace slag (EAFS) in landfills has been causing severe environmental problems. This study examines the dissolution properties of EAFS minerals, including brownmillerite and gehlenite, essential for their possible use in resource recovery. An investigation was conducted to compare the effects of sonication and stirring on mineral dissolution while also assessing the usage of citrate as a complexing agent for gehlenite.
View Article and Find Full Text PDFCathode-ray tubes (CRTs) from computer monitors and television sets are considered as one of the main sources of waste materials worldwide. Therefore, a new application for such out of use materials is required to solve the relatively huge amount of this waste. In this paper, the popular melt-quench technique was used to synthesis glass samples with the structure: xBiO-(100-x) waste CRTs (where x = 0, 10 & 20 wt%) and designated as CRT-Bi0, CRT-Bi10, and CRT-Bi20 accordingly.
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