Due to the intensive use of fertilisers, soil degradation has become a global problem,
leading to the depletion of organic matter and soil fertility. Meanwhile, the intensification of …

Globally, 3 Gt of bauxite residue is currently in storage, with an additional 120 Mt generated
every year. Bauxite residue is an alkaline, saline, sodic, massive, and fine grained material …

Bauxite residue (BR) is a highly alkaline solid hazardous waste produced from bauxite
processing for alumina production. Alkaline transformation appears to reduce the …

Bauxite residue, a highly alkaline solid waste, is extremely hazardous to the surrounding
environment and current research approaches have largely focused on the removal and …

Reduction of the high alkalinity of bauxite residue is a key problem to solve to make it
suitable for plant growth and comprehensive utilization. In this study, phosphogypsum, a …

This chapter provides a spectrum of the research investigations on the use of spent
mushroom substrate (SMS). It outlines characteristics of spent substrate, and presents the …

Bauxite residue is a high volume byproduct of alumina manufacture which is commonly
disposed of in purpose-built bauxite residue disposal areas (BRDAs). Natural waters …

The mining industry has historically served as a critical reservoir of essential raw materials
driving global economic progress. Nevertheless, the consequential by-product known as …

The generation of bauxite residue, the by-product of alumina manufacture from bauxite ore,
has increased to a global stockpile of some 3 billion tonnes. In the absence of significant …

Red mud leachate (pH 13) collected from Ajka, Hungary is neutralized to< pH 10 by HCl,
gypsum, or seawater addition. During acid neutralization> 99% Al is removed from solution …