Recycling phosphogypsum in road construction materials and associated environmental considerations: A review

J Men, Y Li, P Cheng, Z Zhang - Heliyon, 2022 - cell.com
Phosphogypsum (PG) is a major hazardous by-product of the phosphate industry. The
whole world is facing the challenge of increasing stockpiles of PG, which significantly affect …

Heavy metal pollution from phosphate rock used for the production of fertilizer in Pakistan

T Mehmood, MM Chaudhry, M Tufail, N Irfan - Microchemical Journal, 2009 - Elsevier
Phosphate rock belongs mainly to sedimentary, slightly to igneous, and negligibly to
metamorphic rocks. It is used for the production of phosphorous based fertilizers, acids …

Environmental impact assessment of phosphate fertilizers and phosphogypsum waste: elemental and radiological effects

MF Attallah, SS Metwally, SI Moussa, MA Soliman - Microchemical Journal, 2019 - Elsevier
The radiological and elemental hazards indices of phosphate fertilizers and
phosphogypsum waste were investigated by determination of their components …

Natural radioactivity and dose assessment for phosphate rocks from Wadi El-Mashash and El-Mahamid Mines, Egypt

AGE Abbady, MAM Uosif, A El-Taher - Journal of Environmental …, 2005 - Elsevier
The activity concentrations of 226Ra, 232Th and 40K have been measured by gamma
spectroscopy (sodium iodide NaI (Tl) detector) in phosphate rock samples, collected from …

[HTML][HTML] Assessment of natural radioactivity in fertilizers and phosphate ores in Egypt

NM Hassan, NA Mansour, M Fayez-Hassan… - Journal of Taibah …, 2016 - Elsevier
Radionuclide concentrations of uranium (238 U), thorium (232 Th) and potassium (40 K)
maintained in 10 phosphate ore and 5 fertilizer samples were measured using a high-purity …

Natural activities of 238U, 232Th and 40K in some Indian building materials

A Kumar, M Kumar, B Singh, S Singh - Radiation measurements, 2003 - Elsevier
The activity concentrations of 226Ra, 232Th and 40K have been determined by gamma-ray
spectrometry. The measured activity in the selected building materials ranges from (3.2 to …

Natural radioactivity in phosphate rock, phosphogypsum and phosphate fertilizers in Brazil

DIT Fávaro - Journal of Radioanalytical and Nuclear Chemistry, 2005 - Springer
Phosphate deposits are generally characterized by enhanced radionuclide concentrations
compared to natural levels. The mining and processing of this phosphate ore redistribute …

Hazardous metal geochemistry of sedimentary phosphate rock used for fertilizer (Mazıdag, SE Anatolia, Turkey)

I Aydin, F Aydin, A Saydut, EG Bakirdere… - Microchemical …, 2010 - Elsevier
Composition of phosphate rocks mostly depend on their type and origin. Sedimentary rocks
contain high concentration of heavy metals. Phosphate rocks are mainly used for the …

Natural radioactivity in some building materials of **'an, China

L **nwei - Radiation measurements, 2005 - Elsevier
Eight kinds of building materials collected from **'an, China were analyzed for the natural
radioactivity of 226Ra, 232Th and 40K using γ-ray spectroscopy. The concentrations of …

Radionuclides, heavy metals and fluorine incidence at Tapira phosphate rocks, Brazil, and their industrial (by) products

FT Da Conceicao, DM Bonotto - Environmental Pollution, 2006 - Elsevier
Inorganic phosphate fertilizers may contain radionuclides, heavy metals and fluorine. This
paper presents the possible environmental hazards from Tapira phosphate rocks and their …