Results 121 to 130 of about 7,633 (210)

Особенности состава и свойства продукта переработки фосфогипса [PDF]

, 2015
Представлены результаты исследований состава и свойств продукта переработки фосфогипса ОАО «СУМЗ», полученного после извлечения редкоземельных металлов. Анализ особенностей структуры и состава показал, что он может использоваться для производства цемента,
Афанасьева, М. А., Беднягин, С. В., Капустин, Ф. Л., Митюшов, Н. А.   +3 more
core  

Phosphogypsum: Environmental Repercussions and Incentives

International Journal of Engineering and Science Invention
One prominent by-product of the generation of phosphoric acid, phosphogypsum, is recoverable. However, phosphate, fluoride, and heavy metals are among the contaminants found in phosphogypsum that can impair performance and pollute the environment.Crushed blast furnace slag, electrolytic manganese wastes, and inorganic cement-like substances can all be ...
Sunil Kumar Nayak Sunil Kumar Nayak, Jayshree Mohanta, Jayshree Mohanta,, Sameer Kumar Suna Sameer Kumar Suna   +2 more
openaire   +1 more source

Chemical Mechanisms of Cement Stabilization and Durability Enhancement in High-Content Modified Phosphogypsum

Buildings
Phosphogypsum, a byproduct of phosphate fertilizer production, accumulates in large quantities annually, posing significant environmental challenges due to harmful components such as fluorine, heavy metals, and acidic salts.
Bin Xu, Yingxin Zhou, Zijing Wu, Kaiji Lu, Hongbing Wang, Aodong Gao   +5 more
doaj   +1 more source

Влияние добавки "фосфозол" на физико-химические свойства портландцемента [PDF]

, 2016
В статье рассмотрены особенности процесса гидратации и твердения портландцемента в присутствии искусственно синтезированных добавок "Fosfozol" ("фосфогипс-зольных") на физико-химические свойства цемента, образующего композиционный материал.The features ...
Бегжанова, Гулрух Бахтияровна
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Test and theoretical investigation of fiber-reinforced phosphogypsum short columns with steel- fiber composite bars (SFCB) and BFRP ties under axial compressive load

Results in Engineering
The high brittleness and corrosiveness of phosphogypsum materials limit the structural application of such materials. To address this, PVA fibers and steel-FRP composite bars (SFCB) are synergistically employed to reinforce plain phosphogypsum short ...
Yun-sheng Yi, Jing Chen, Qin-zheng Wang, Peng-gang Tian, Zhuo-qun Liu, Yu Guo, Feng Chen, Ke-jian Ma   +7 more
doaj   +1 more source

Assessment of an expediency of binder material mechanical activation in cemented rockfill [PDF]

, 2019
This study is aimed to assess the expediency of applying the binder material mechanical activation in a cemented rockfill (CRF), consisting of ground smelter slag, waste of limestone and rock refuse at one of the largest mines, as well as at any other ...
Mamaikin, Oleksandr, Petlovanyi, Mykhailo   +1 more
core  

Development and Performance Evaluation of Geopolymer-Based Fluidized Solidified Soil Using Phosphogypsum and Slag Powder for Road Backfilling. [PDF]

Materials (Basel)
Li X, Zheng P, Lu H, Zhu S, Tian H, Ji X.   +5 more
europepmc   +1 more source

CaS:Mn_1-xPb_x Luminescent Material Production from Phosphogypsum. [PDF]

Molecules
Khliyan ZD, Shabelskaya NP, Medennikov OA, Egorova MA, Yakhonova DV, Zemchenko GN, Gaidukova YA, Baranova VA, Radjabov AM, Serik AV.   +9 more
europepmc   +1 more source

Response Surface Methodology Optimization of Greener Cement Production: Exploring the Effects of Tunisian Phosphogypsum and Raw Meal Fineness on Energy Efficiency and High-Performance Cement Manufacturing. [PDF]

ACS Omega
Ibrahimi S, Gasmi A, Ben Jamaa N, Elboughdiri N, Ghernaout D, Bagane M, Diliberto C, Hannachi A.   +7 more
europepmc   +1 more source

Advances in Dysprosium Recovery from Secondary Sources: A Review of Hydrometallurgical, Biohydrometallurgical and Solvometallurgical Approaches. [PDF]

Molecules
Rudnik E.
europepmc   +1 more source