Potential application of acid jarosite wastes as the main component of construction materials

Simultaneous oxidation and precipitation of iron using jarosite immobilized Acidithiobacillus ferrooxidans and its relevance to acid mine drainage

“…Thus, the precipitation of jarosite may result in the removal of at least a portion of these elements from the solution (du Plessis et al, 2011). Compared to the voluminous ferric hydroxide precipitates, the jarosite precipitates have good settling characteristics, and can be recovered in a technically feasible and environment-friendly manner to develop non-hazardous value-added products such as construction materials (Asokan et al, 2006;Mymrin et al, 2005).…”

Thermal expansion and decomposition of jarosite: a high-temperature neutron diffraction study

“…This process operates at atmospheric pressure, rather than requiring an autoclave as for many hydrothermal processes, and is thus economical. Furthermore, the generated jarosite (in the form of mud) can be combined with other industrial wastes such as dump ferrous slag (DFS) and alkaline AI-surface cleaning waste (ASCW) as well as small portions of Portland cement or lime to produce materials for construction applications (such as airfield runways and levee cores) (Mymrin et al 2005). In addition, jarosite and its associated alunite-type phases have been proposed as potential hosts for the long-term immobilization of radioactive fission products and toxic heavy metals (Ballhorn et al 1989;Kolitsch et al 1999).…”

Zinc recovery and waste sludge minimization from chromium passivation baths

“…Jarosite is a common mineral waste that appears in hydrometallurgical processes for zinc electrolytic deposition. Anyway, recent studies have covered successfully the possible jarosite reuse as a new environmentally friendly construction material [29][30][31].…”