sorption


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Words related to sorption

the process in which one substance takes up or holds another (by either absorption or adsorption)

References in periodicals archive ?
A series of uranium stock solutions of ~100 ppm concentration each, were prepared having pH 1-10 to study the effect of sorption of uranium by the PAN-DVB-EGDMA beads under media having different pH.
The SEM image clearly shows that the beads surface is quite rough which enhances the surface area for metal ion sorption. The specific surface area of the beads was found to be ~3[m.sup.2]/g which states that the outer surface of the bead contributes significantly during adsorption process.
Traditionally, the sorption properties of soils have been estimated through two parameters in the Langmuir equation, the maximum sorption capacity (Qmax) and the binding energy coefficient (k) (Barrow 1978; Anghinoni et al.
The specific causes of wide variability have yet to be pinpointed, but there are three sparsely discussed but critical aspects of P sorption. First, Qmax can be underestimated due to low initial P concentrations added to the soils (Harter 1984).
In soils, the bioavailability and transport of dioxins are regulated by the processes of sorption and desorption in addition to certain others (Kukkonen et al., 2004; Koelman et al., 2006).
It was concluded that the anion exchange sorption was involved in removing the chromate anion from the aqueous system into the surface of activated carbon.
Given the above, this study aimed to evaluate soil-SMX interaction, sorption kinetics and isotherm, in typic eutrophic Regolithic Neosol, a soil representative of the Southern Agreste region and characterized by having a not-too-thick mineral and organic material, without presence of diagnostic horizon, in the municipality of Sao Joao, PE, in the semi-arid region of Northeast Brazil.
However, in different soils equilibrium phase between solution and sorption is used to assess adsorption and desorption process (Shariff, 2012).
There is also a lot of research, e.g., [10-12], on the synthesis and application of magnetic composite carbon or polymer-based sorption materials with incorporated iron oxide nanoparticles (see Figures 1(b) and 1(c)).
In this study, with the aim of investigating the effect of DOM on the sorption of OTC to sediments, three typical sediments (first terrace sediment, river floodplain sediment, and riverbed sediment) were collected from the Weihe River, Northwest China, and subjected for testing.
The GAB (Guggenheim-Anderson-de Boer) and BET (Brunauer-Emmett-Teller) are the most common models used for the determination of the sorption isotherms for different materials.
On the contrary, the application of specifically "tailored" technosols (in this case, composed of soil components and nonharmful residues with sorption capacities for specific contaminants) has shown successful results on the restoration of degraded mining areas contaminated with a wide variety of trace metals and metalloids [13].
The Freundlich (A) (n), Langmuir (Q) (b) and Dubinin--Radushkevich (Xm) ([beta]) were constants listed in Table 1 which concluded that % sorption decrease at low temperature.
The experiments were designed to evaluate fast initial sorption, allowing separate estimation of the end-grain (i.e., total longitudinal) and lateral (i.e., surface longitudinal) liquid penetration.