Bauxite residue (BR), also known as red mud, is a byproduct of the alumina production
using the Bayer process. This material is not used to make iron or other iron-containing …

The Bayer process is the main method of alumina production worldwide. The use of low-
quality bauxites for alumina production results in the formation of a significant amount of …

High-silica bauxite is not used to obtain sandy-grade alumina owing to its low alumina/silica
ratio (μ Si< 3). Acidic methods, such as the use of HCl and NH 4 HSO 4, show promise for …

High-Fe bauxite is a typical refractory bauxite with extensive resources, and coal gangue is
a solid waste produced during coal preparation. In this study, the co-roasting of high-Fe …

The leaching kinetics of alumina extraction from coal gangue with hydrochloric acid was
investigated. The effects of calcination activation temperature and leaching conditions on the …

Recovery of all valuable metals such as Ni, Mo, V and Al from spent hydrodesulfurization
(HDS) catalysts is beneficial to environmental protection and resource recycling. The current …

Lapindo mud (LM) is a volcanic mud from a natural disaster that occurred 16 years ago in
Sidoarjo District, East Java, Indonesia. The high amount of silica in the local materials of LM …

In this study, the inhibition of SO 4 2-and NH 4+ on vanadium extraction from the high-
calcium shale during the internal recycling of vanadium industrial wastewater (the raffinate …

Bauxite residue, also known as red mud (RM), from alumina production is the most
promising technogenic material for the production of scandium (Sc) and other rare earth …

The use of zero-valent iron nanoparticles in the remediation of metal-contaminated soils has
received considerable attention. Upon introduction into the soil, zero-valent iron particles …