نتایج جستجو برای: natural sorbents
تعداد نتایج: 483329 فیلتر نتایج به سال:
The mineral-based sorbents Filtra P, Polonite, natural wollastonite and water-cooled blast furnace slag (WCBFS) were studied in terms of their PO(4) removal performance. Results from a long-term column experiment showed that both Filtra P and Polonite removed >95% of PO(4) from the applied synthetic solution, and that the used filter materials had accumulated several (1.9-19) g kg(-1)P. Phospho...
This research was conducted to study the effect of natural and polyacrylamide-modified montmorillonite on the sorption of Cd from aqueous solutions. The sorption of Cd on the sorbents was studied as a function of pH (Cd concentration: 10 mg L-1) in the range of 4-8.5, and as a function of metal concentration (Cd concentration in the range of 1-10 mgL-1) using a 24h batch equilibration. Experime...
Many natural products have demonstrated functionality as novel, green sorbents for organic compounds.
Alginate biopolymer, due to possessing a high capacity and affinity for heavy metals, is a suitable material for the removal of metals from polluted waters; however, the weak structural consistency of alginate hydogels limits the practical application of this natural polymer in water purification practices. In this study, sepiolite clay mineral was used as a solidifier of alginate hydrogel to p...
Oil and gas production has an adverse impact on the ecological state of Russian Arctic. The local natural materials, such as peat, moss, reindeer moss are considered naturel sorbents in wastewater treatment technologies. sorption properties these materials were studied. isotherms at different initial concentrations pollutant (250, 50, 0.5 mg/L) constructed. patterns changes intensity oil produc...
The injection of sorbents upstream of a particulate control device is one of the most promising methods for controlling mercury emissions from coal-fired utility boilers with electrostatic precipitators and fabric filters. Studies carried out at the bench-, pilot-, and fullscale have shown that a wide variety of factors may influence the mercury removal effectiveness. These factors include merc...
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