نتایج جستجو برای: palygorskite
تعداد نتایج: 265 فیلتر نتایج به سال:
Ethidium bromide (EtBr)-containing wastewater can be hazardous to biodiversity when released into the soil and water bodies without treatment. EtBr mutate living microbial cells pose toxicity even higher organisms. This work investigated removal of from aqueous solutions by a naturally occurring palygorskite (PFl-1) clay mineral via systematic batch adsorption experiments under different physic...
Eutrophication caused by excessive discharging of phosphorus is a global water pollution problem. To further improve the adsorption capacity natural palygorskite and easy separation from liquid, magnetic thermal modified nanocomposite (MTPG) was firstly fabricated then characterized XRD SEM-EDS. The characterization results showed Fe3O4 in nano-diameters prosperously immobilized on surface (TPG...
Existence and frequency of clay minerals is useful for reconstruction of paleoenvironment, because each mineral is formed and stabilized in special condition. The objective of this study was to identify clay minerals and their genesis in two paleosols from Isfahan and Charmahal-Bakhtiari. Through field observations and physico-chemical analysis, some horizons in these soils were selected for mi...
The calcification of soils and the effects of topography on this process were studied in semi-arid regions of Kermanshah. From a toposequence, based on the previous soil surveys of the region, five profiles were selected, and field studies and laboratory analyses were carried out on soils. Alluvial - colluvial fans, piedmont alluvial plains, and old plateaux were three main physiographies on th...
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