Phosphogypsum (PG), the main industrial by-product of phosphate fertilizer industry,
primarily consists of calcium sulfate dihydrate. However, it contains various impurities with …

Globally, much weight is currently being placed on agriculture to provide food for the
growing population as well as feedstock for the bioenergy industry. Unfortunately, the …

The industry of phosphoric acid produces a calcium-rich by-product known as
phosphogypsum, which is usually stored in large stacks of millions of tons. Up to now, no …

Rock phosphate ore processing and disposal of phosphogypsum contribute to enhanced
levels of natural radionuclides in the environment. The concentration of naturally occurring …

In this work, radiological, chemical, and also morphological characterization was performed
in phosphate rock and phosphogypsum samples, in order to understand the behavior of …

Doses from the exposure to outdoor radon are typically an order of magnitude smaller than
those from indoor radon, causing a greater interest on investigation of the latter for radiation …

The utilization of the phosphogypsum (PG) as cement retarder is both an economical and an
ecological approach to treat this solid waste. Cement using raw PG as retarder has two …

The uniaxial compressive strength (UCS) of the backfill is crucial for ensuring the stability
and safety of the goaf. It can lead to the collapse of the goaf and subsidence changes in the …

The levels of magnesium (Mg2+) in irrigation waters and soils are increasing in several
irrigation schemes worldwide. Excess levels of Mg2+ in irrigation waters and/or in soils …

Phosphogypsum (PG) has been usually applied as Ca-amendment to reclaim sodic soils
such as those in the marshland area of Lebrija (SW Spain). This work aimed at the effects of …