Kinetic modelling of liquid-phase adsorption of nitrates on ionized adsorbent
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Cited by (14)
Limited role of biochars in nitrogen fixation through nitrate adsorption
2017, Science of the Total EnvironmentCitation Excerpt :N transformation process in soils includes ammonification, nitrification, and de-nitrification (Martens and Dick, 2003). These processes commonly generate highly mobile N forms, such as NO3− (nitrate), and therefore elevated N level in ground and surface water bodies (Chabani et al., 2006). The increased application of N fertilizers to soils is one of the main reasons for ground and drinking water pollution (Vitousek et al., 2009).
Application of conducting polyaniline, o-anisidine, o-phenetidine and o-chloroaniline in removal of nitrate from water via electrically switching ion exchange: Modeling and optimization using a response surface methodology
2017, Separation and Purification TechnologyCitation Excerpt :Although Polyaniline and their derivations lost their electroactivity and conductivity at pH > 4 [38], the protonation sensitivity of nitrogen atoms, in other words doping of imine/nitride, is higher at the pka in the range of 5.5–8 [39,40]. As can be seen in Fig. 5, the removal of nitrate yield increases with increasing the nitrate concentration, which is possible because of the higher availability of nitrate ions or, in other words, the more contact and surface time [41]. However, very high concentration due to the lack of dopant that is interchangeable with nitrate ions, cause that the polymer refrains from accepting more nitrate ions.
Nitrate sorption and desorption in biochars from fast pyrolysis
2013, Microporous and Mesoporous MaterialsEffect of dissolved organic matter on nitrate-nitrogen removal by anion exchange resin and kinetics studies
2013, Journal of Environmental Sciences (China)Influence of organic matter and solute concentration on nitrate sorption in batch and diffusion-cell experiments
2011, Bioresource TechnologyCitation Excerpt :Nitrate, either formed in soils or supplied as fertilizers, is soluble in water and subject to leaching. Nitrate concentrations of groundwater resources in many countries increased drastically (Chabani et al., 2006; Jaafari et al., 2004) due to an increasing usage of nitrogenous fertilizers or intensive agriculture, high density housing with unsewered sanitation and irrigation of sewage effluent onto land (McLay et al., 2001). Nitrogen loss from irrigated cropland, particularly from sandy soils, significantly contributes to the nitrate contamination of surface water and groundwater sources (Li, 2003; Shukla et al., 1998).
Equilibrium and kinetic studies on the adsorption of acidic dye by the gel anion exchanger
2009, Journal of Hazardous Materials
Presented at the Conference on Desalination and the Environment, Santa Margherita, Italy, 22-26 May, 2005. European Desalination Society.
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