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On the cryogenic removal of NOy from the Antarctic polar stratosphere
polar stratosphere reactive nitrogen heterogeneous chemistry tracer-tracer correlations
2015/9/16
We review current knowledge about the annual cycle of transport of nitrogen oxides to, and removal from, the
polar stratosphere, with particular attention to Antarctica where the annual winter denitr...
N-butyl-pyridinium tetrafluoroborate as a highly efficient ionic liquid for removal of dibenzothiophene from organic solutions
extraction desulfurization ionic liquids dibenzothiophene
2014/9/24
In this research, 1-butyl-pyridinium tetrafluoroborate ([C4Py][BF4]-) was prepared by ion exchange method and was characterized by 1H-NMR, 13C-NMR, and FT-IR techniques. The synthesized ionic liquid w...
The Factors on Removal of Zinc Cation from Aqueous Solution by Bentonite
Bentonite Zn2+ Adsorption
2011/6/17
The removing zinc cation from aqueous solution by Ca-bentonite and Na-exchanged bentonite was studied. The factors such as the initial concentration of Zn2+, the liquid-to-solid ratio, pH, adsorption ...
Optimization of Removal of Methylene Blue by Platanus Tree Leaves Using Response Surface Methodology
Methylene Blue Platanus Tree Leaves Response Surface Methodology
2010/1/1
Platanus tree leaves were successfully used as a novel sorbent for removing of methylene blue (MB) dye from aqueous solutions. A 23 full factorial design was performed for screening of the main factor...
Silver Removal from Aqueous Solution by Adsorption on Concrete Particles
Concrete Equilibrium constants Intrinsic acidity constants Silver adsorption Surface acidity
2003/10/30
The ability of concrete to remove silver from its aqueous solutions was studied. Silver removal is favored by low concentration and high pH at room temperature. The intrinsic acidity constants, averag...
Synthesis, Characterization and Applications of Sol-Gel Derived Zirconium Oxide Adsorbent Powder: Removal from Aqueous Solution of Phenol and p-Chlorophenol
adsorbent adsorption coating sol-gel process zirconium alkoxides
2003/8/30
Adsorbent powders were prepared from the uncatalysed hydrolysis-condensation reactions of different complexes that were synthesized by the reactions of Zr(OPrn)4 with different chelating ligands (such...
Heavy Metal Removal from Aquatic Systems by Northern Anatolian Smectites
Heavy Metal Removal Aquatic Systems Northern Anatolian Smectites
2000/6/30
Competitive adsorption of the heavy metal ions Cu(II), Cd(II) and Pb(II) from aqueous media onto northern Anatolian smectites with a mean particle diameter of 200 mm, was investigated. The adsorption ...
Removal of Water-Soluble Cationic Dyes with TriSyl Silicas
TriSyl silicas cationic dyes binding, adsorption
1998/9/30
In this study, the adsorption of certain water-soluble cationic dyes, (basic blue 9, basic blue 12, basic blue 17, brilliant cresyl blue, janus green B, basic green 4, basic violet 1, basic violet 3, ...
The Removal of Organic Sulfur from Two Turkish Lignites by Chlorinolysis
The Removal Organic Sulfur Turkish Lignites by Chlorinolysis
1998/6/30
The removal of organic sulfur from two Turkish lignites by chlorinolysis with chlorine gas in water and water-carbon tetrachloride media at ambient pressure was examined. The effects of stirring speed...