Results 61 to 70 of about 7,633 (210)
With the rapid development of urban infrastructure in China, engineering muck has emerged as a potential urban risk. The improper disposal of engineering muck not only results in the inefficient occupation of land resources but also poses serious threats to ecological systems and geotechnical stability.
Kai Cao +3 more
wiley +1 more source
The phosphogypsum (PG) endogenous bacterial community and endophytic bacterial communities of four plants growing in phosphogypsum-contaminated sites, Suaeda fruticosa (SF), Suaeda mollis (SM), Mesembryanthmum nodiflorum (MN) and Arthrocnemum indicum (AI)
Fedia Ben Mefteh +6 more
doaj +1 more source
Study on The Production of Ammonium Sulfate Fertlizer From Phosphogypsum [PDF]
The production of ammonium sulfate fertilizer from phosphogypsumis studied. The phosphogypsum is considered by product from extraction processof sulphoric acid.
Khalid K. Abbas
doaj +1 more source
Phosphogypsum based gypsum binder
Problem statement. Phosphogypsum-based binding materials without pretreatment have poor physical and mechanical characteristics compared to binders made of natural raw materials. This is due to the high value of their specific surface area, which in turn leads to an increase in water demand.
Derevianko, V. M. +3 more
openaire +3 more sources
Toward enhanced nutrient circularity: Lessons from a multidisciplinary conference
Abstract The global agricultural sector faces the challenge of ensuring food security while minimizing the environmental impact of conventional practices. Waste‐derived fertilizers have gained attention for their potential to enhance nutrient circularity, yet regulatory, environmental, and agronomic barriers hinder widespread adoption. To address these
Júlia Farias +10 more
wiley +1 more source
Effects of Water-Reducing Agents on the Mechanical Properties of Foamed Phosphogypsum
In the present experiment, two types of water-reducing agents, naphthalene (FDN) and polycarboxylic acid (PCE), were selected, and their effects on the mechanical properties of foamed phosphogypsum were evaluated.
Jian Yu +4 more
doaj +1 more source
Thermal treatment of moroccan phosphogypsum [PDF]
Phosphogypsum (PG) is produced as a by-product during treatment of phosphate rock with sulphuric acid to produce phosphoric acid according to the following simplified reaction: Ca10(PO2)6F2+10H2SO4 + 20H2O →70 à 80°C 6H3PO4 + 2HF + 10(CaSO4.2H2O)$Ca_{10} (PO_2 )_6 F_2 + 10H_2 SO_4 {m{ }} + {m{ }}20H_2 O{m{ }}uildrel {70{m{ }}`a {m{ }}80^circ C} over ...
El Issiouy S. +5 more
openaire +2 more sources
This study explored the use of sulfate‐based soil amendments as a new method to mitigate N2O—a powerful greenhouse gas—from agricultural soils. Laboratory and field experiments showed sulfate treatments significantly lowered N2O emissions without negatively affecting crop yields, mainly by altering soil microbial processes.
Hyun Ho Lee +11 more
wiley +1 more source
Elevated global temperature amplifies environmental stressors, such as phosphogypsum leachate, which is released from open-air stockpiled or landfilled phosphogypsum under rainwater leaching.
Min Wang +5 more
doaj +1 more source
Effect of Surfactant on Water Content of Phosphogypsum
Phosphogypsum is a kind of solid waste produced in wet process of producing phosphoric acid, which affects the filtration rate and water content of phosphogypsum.
Bing Li, Hao Peng, Jing Guo
doaj +1 more source

