Web10 jan. 2024 · In this work, vanadium (V) was selectively extracted from fuel-oil fly ash using a leaching process utilizing organic acids extracted from lemon juice with assistance from ultrasound and H2O2. Response Surface Methodology (RSM) was used to optimize the main operating factors. The V recovery was 88.7% at the optimal Web4 okt. 2024 · Mixing municipal solid waste incineration fly ash (MSWIFA) with industrial by-products such as ground granulated blast furnace slag (GGBFS) and ladle furnace slag …
Ultrasound-assisted leaching of vanadium from fly ash …
Web30 mei 2024 · Acid leaching tests using 1.2 M HCl at 75 °C were performed on both the coal and the FBC ash samples. Prior to leaching, the coal samples were pretreated at … Web1 nov. 2024 · A series of SPLP, WLT and TCLP tests were conducted to explore the leaching behavior of Cr, Cu, Fe and S from Type I/II cement activated Class C fly ash, … switch boiler
Ultrasound-assisted leaching of vanadium from fly ash using …
WebAccelerated carbonation pretreatment of municipal solid waste incineration fly ash and its conversion to geopolymer with coal fly ash. Author links open overlay panel Yanli Wang a, Jiao Ma a, Longbang Qing b, Lina Liu c, ... The leaching concentration of Pb in geopolymers were all below the leaching threshold value of 1.2 mg/kg, ... WebDownload scientific diagram Influence of citrate concentration on metal leaching from (a) F-1 and (b) C-1 CFA samples. Leaching condition: 4 h, pH 4, liquid-tosolid ratio of 200 mL/g, and ... Web26 mrt. 2024 · Leaching concentrations with time of As and Se from the tank leaching test increased with stirring time, while pH decreased with time. The leaching concentrations … switch boite