نتایج جستجو برای: adsorbent regeneration
تعداد نتایج: 68507 فیلتر نتایج به سال:
In some part of the world, groundwater source can become unsafe for drinking due to the high concentration of fluoride ions [1]. The low cost and facile-produced adsorbent like palm stone could effectively removed fluoride ions through adsorption process. In this dataset, the influence of fluoride ion concentration, solution pH, adsorbent dosage, and contact time on fluoride ion adsorption by p...
Despite the increasing interest in adsorption cooling and desalination systems, poor heat hence mass transfer adsorbent-bed (the core component) impedes efficient energy conversion at system level increases its physical footprint. In response, this paper numerically investigates overall enhancement of cum employing emerging copper foamed adsorbent beds advanced thermal performance coated with m...
The surface imprinted technique was utilized in creating the synthetic lysozyme receptors on poly(hydroxyethyl methacrylate) [p(HEMA)] cryogel membrane with assistance of polydopamine under alkaline conditions. Following design artificial receptors, Fourier-transform infrared spectroscopy (FTIR), scanning electron microscope (SEM) and swelling test were used for characterization studies adsorpt...
Removal of cadmium from aqueous solution was studied; using platanus orientalis leaves (POL) and their ash in 2006 in Iran. Bach adsorption experiments were performed as a function of solute concentration, contact time, pH and ironic strength for the experiment. The effect of Ca , Mg , Na and K on adsorption was 2+ 2+ + then examined. The effect of this adsorbent on COD in aqueous solution show...
The aim of this study was to examine the use of polyamide 6 nanofibers as an adsorbent material for removal of dye on textile wastewater. Simulated wastewater of acid dye (namely Color Index Acid blue 41) was used for experiment test with concentration of 0.01, 0.02 and 0.03g/L. Two kinds of electrospun polyamide 6 nanofibrous membranes with weight per unit area respectively 1.0 and 2.9g/m2 wer...
CuO supported on COK-12 and SBA-15 ordered mesoporous materials for temperature swing SOx adsorption
Ordered mesoporous SBA-15 and COK-12 supports with similar mesopore diameter were loaded 15 wt% of CuO evaluated as adsorbents in a desulfurization process involving SOx adsorption regeneration. Both have hexagonal arrangement parallel tubular mesopores. The impact relatively small differences the structural textural properties two on regenerability is investigated. After impregnation copper ni...
This research investigates the removal of textile dyes (Rhodamine B and Alizarin Red S) from aqueous solution by a low-cost adsorbent prepared eggshell waste. Batch adsorption experiments were conducted in order to determine effect different parameters such as pH, dye concentration, contact time, dosage, particle <br /> size, temperature. The best correlation was found Langmuir model, max...
The application of poly (vinyl alcohol) (PVA) in an unmodified form as an adsorbent for methylene blue (MB) dye removal in waste water at 303–333K was investigated. Effects of operational parameters such as adsorbent dosage, initial dye concentration and pH were determined for optimum conditions for maximum dye removal. Results obtained showed that dye removal efficiency increases as the amount...
A 5’-deoxyadenosylcobalamin-agarose adsorbent has been prepared for the purification by affinity chromatography of enzymes which require 5’-deoxyadenosylcobalamin as a coenzyme. The synthesis involved the covalent attachment of cyanocobalamin to agarose through a 12 carbon chain. This hydrocarbon chain was attached to the corrin nucleus by reacting diaminododecane with cyanocobalamin e-carboxyl...
The adsorption of Triton X-100 in aqueous solution on the granite sand has been investigated to evaluate its ability as an adsorbent. Various parameters such as agitation time, adsorbent dose, adsorbent size, initial concentration of adsorbate, pH, temperature, and effect of interference ions were studied on the laboratory scale to establish optimum conditions for the removal of TX-100 from the...
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