• Adsorption kinetics was analyzed using normal first order and Lagergren first order kinetic models. (scirp.org)
  • The adsorption kinetics data were described by pseudo-second-order kinetics model, while the equilibrium data were well fitted using the Freundlich model. (ajol.info)
  • A_{ad}}}} From these basic hypotheses the mathematical formulation of the Langmuir adsorption isotherm can be derived in various independent and complementary ways: by the kinetics, the thermodynamics, and the statistical mechanics approaches respectively (see below for the different demonstrations). (wikipedia.org)
  • The mathematical expression of the Langmuir adsorption isotherm involving only one sorbing species can be demonstrated in different ways: the kinetics approach, the thermodynamics approach, and the statistical mechanics approach respectively. (wikipedia.org)
  • The kinetics of the metals adsorption revealed that the reactions are pseudo-second order, and the adsorption isotherm well followed the Langmuir model. (arizona.edu)
  • Surface plasmon resonance spectroscopy (SPR) was used to measure the adsorption capacities and kinetics of dansylated amino acids onto surface-confined Molecular Imprinted Polymer films (MIP-Fs) and the corresponding Non-Imprinted Polymer control films (NIP-Fs). (aiche.org)
  • Adsorption kinetics were analyzed using single site and dual-site Langmuir adsorption models. (aiche.org)
  • Mathematical models were used to describe the adsorption isotherm and kinetics of Au(III). (confex.com)
  • GAC) and its adsorption kinetics at different concentrations, GAC masses, initial pH values and temperatures were studied. (gnest.org)
  • The adsorption isotherm data were fitted to the Langmuir, Freundlich and Temkin isotherm models. (scirp.org)
  • Adsorption isotherms (Langmuir, Freundlich and Dubinin-Radushkevich (D-R)) and thermodynamic parameters were calculated and obtained data were evaluated. (scialert.net)
  • The adsorption equilibrium data were fitted well with the Langmuir isotherm, which revealed that the maximum adsorption capacities for monolayer saturation of Cd(II), Pb(II), and Cu(II) were 0.555, 0.733 and 0.827 mmol/g, respectively. (iwaponline.com)
  • The adsorption isotherms obtained were fitted to the Freundlich and Langmuir equation. (unl.pt)
  • The Langmuir adsorption model explains adsorption by assuming an adsorbate behaves as an ideal gas at isothermal conditions. (wikipedia.org)
  • In 1916, Irving Langmuir presented his model for the adsorption of species onto simple surfaces. (wikipedia.org)
  • Irving Langmuir was the first to derive a scientifically based adsorption isotherm in 1918. (wikipedia.org)
  • The maximum adsorption capacities predicted by the Langmuir model were 75.19 mg/g and 57.77 mg/g for cadmium and nickel, respectively. (arizona.edu)
  • The Freundlich, Langmuir, Redlich-Peterson and BET adsorption models were applied to describe the equilibrium isotherms. (gnest.org)
  • Grafting of PVP moieties introduces a high affinity toward heavy metal ions, and the adsorption is a well-fitted Langmuir adsorption model. (bvsalud.org)
  • Thermodynamic studies indicated that the adsorption is physical, which is consistent with the results of the isotherm models. (scialert.net)
  • It is the most common isotherm equation to use due to its simplicity and its ability to fit a variety of adsorption data. (wikipedia.org)
  • Isotherm, kinetic and thermodynamic study of tetracycline adsorption were investigated. (researchsquare.com)
  • Freundlich isotherm model fitted pretty well with the isotherm experiment data, and the isotherm experimental data were preferably described by pseudo-second order model indicating the chemical adsorption process, and the intra-particle diffusion also involved in the adsorption process. (eeer.org)
  • The adsorption of gases and solutes is usually described through isotherms, that is, the amount of adsorbate on the adsorbent as a function of its pressure (if gas) or concentration (for liquid phase solutes) at constant temperature. (wikipedia.org)
  • The WTR nanoparticles demonstrated high removal efficiency for Cd from aqueous solution as the adsorption capacities of nWTR were 17 and 10 times higher than those of bulk WTR in single- and multielement systems, respectively. (hindawi.com)
  • The dye adsorption capacities of the composites were higher than the pristine clay. (scirp.org)
  • From the results we can see that the adsorption capacities of Cd(II), Pb(II), and Cu(II) increase with increasing pH of the solution. (iwaponline.com)
  • Response Surface Methodology was used to evaluate the interactions of carbonization temperatures of adsorbents and concentrations of adsorbates on the adsorption capacities and removal efficiencies of activated carbons obtained from flamboyant ( Delonix regia ) pod bark (FB), milk bush ( Thevetia peruviana ) kernel shell (MB) and rice ( Oryza sativa ) husks (RH). (omicsonline.org)
  • Two factors interaction (2FI) model Y = a 0 + a 1 A + a 2 B + a 12 AB, showed that the interactions between increasing activation temperature of the adsorbents and increasing concentrations of the adsorbates increased the adsorption capacity of the MB while the adsorption capacities of FB and RH were reduced. (omicsonline.org)
  • The objectives of this study were therefore (i) to determine cadmium adsorption capacity of water treatment residual nanoparticles and to investigate the pertinent adsorption mechanism and (ii) to study the effects of operational parameters including adsorbent dosages, solution pH, and competing cations on the removal of Cd by nWTRs. (hindawi.com)
  • M. Auta and B. H. Hameed, "Chitosan-Clay Composite as Highly Effective and Low-Cost Adsorbent for Batch and Fixed-Bed Adsorption of Methylene Blue," Chemical Engineering Journal, Vol. 237, 2014, pp. 352-361. (scirp.org)
  • The removal efficiency of the adsorbent is to be considered an output layer and the adsorption parameters such as pH, time, initial concentration, temperature etc., are to be considered an input layer of the ANN model. (scialert.net)
  • PAM modified diatomite was the most effective and available adsorbent for adsorption of Pb 2+ . (academicjournals.org)
  • The effect of various factors such as chemical modification, contact time, initial concentration, adsorbent dose, agitation speed, and solution pH and reaction temperature has been studied. (sharif.edu)
  • As the reaction was exothermic, like X-m, the maximum adsorption the values of the stability constants also decreased with increasing temperature showing high strength of bond between the adsorbent and adsorbate at low temperatures. (org.pk)
  • [3] While adsorption does often precede absorption, which involves the transfer of the absorbate into the volume of the absorbent material, alternatively, adsorption is distinctly a surface phenomenon, wherein the adsorbate does not penetrate through the material surface and into the bulk of the adsorbent. (wikipedia.org)
  • This study aimed to synthesize Fe 3 O 4 @Methylcellulose/3-Aminopropyltrimethoxysilane (Fe 3 O 4 @MC/APTMS) as a new magnetic nano-biocomposite by a facile, fast, and new microwave-assisted method and to be utilized as an adsorbent for tetracycline (TC) removal from aqueous solutions. (researchsquare.com)
  • Optimum conditions were obtained in TC concentration: 10 mg L −1 , adsorbent dosage: 80 mg L −1 , contact time: 90 min, and solution pH: 6 with the maximum TC removal of 90% and 65.41% in synthetic and actual samples, respectively. (researchsquare.com)
  • Consequently, it is highly desirable that Fe 3 O 4 @MC/APTMS magnetic nano-biocomposite could be used as a promising adsorbent for TC adsorption from aqueous solutions. (researchsquare.com)
  • The aim of this work was to investigation the applicability of removing Pb+2 from aqueous solutions using acorn (Quercus ithaburensis) shell (AQIS), using batch adsorption process.Various experimental parameters such as adsorbent dose, pH and contact time were studied to observe their effects on the Pb+2 adsorption process. (yildiz.edu.tr)
  • At optimum values of the above mentioned parameters, more than 90% removal efficiency was obtained within 2 minutes at AQIS amount of 1 g/100 mL, pH range of 2-6 for Pb+2 concentration of 100 mg/L. This study demonstrated the ability of AQIS as an effective, readily available, and low-cost adsorbent for removal of the Pb+2 removal from its aqueous solutions. (yildiz.edu.tr)
  • TEOS xerogel was investigated as adsorbent to removal strontium ion from aqueous solution in batch operations. (nsmsi.ir)
  • In this research, the ability of magnesium oxide (MgO) nanoparticles to the adsorbent was studied for the removal of Sunset Yellow (SY) dye in an aqueous solution. (ac.ir)
  • The amount of cadmium adsorbed increased with increase in solution pH, initial solution concentration and with the amount of adsorbent dosed. (ugm.ac.id)
  • The result demonstrated that the prepared activated carbon was suitable for removal of Pb 2+ from synthetic aqueous solution using batch, as well as fixed bed sorption systems. (ncsu.edu)
  • However, adsorption process with activated carbon has been reported to be effective for the removal of pollutant from wastewater [ 8 ]. (omicsonline.org)
  • This study investigated the feasibility of using acid activated carbon prepared from brewery spent barley husks for the adsorption of cadmium from aqueous solution. (ugm.ac.id)
  • Effect of Metal Impurities on Adsorption of Gold by Activated Carbon in Cyanide Solutions. (cdc.gov)
  • Tests were also conducted to determine the effect these cyanide complex impurities might have on the adsorption of gold by the activated carbon. (cdc.gov)
  • From a kinetic adsorption test, the dolomite sorbent required 12 hours of contact time to reach equilibrium with a fluoride adsorption capacity of 0.000581 mM/g, and the kinetic adsorption fitted well with a pseudo-second order kinetic reaction with a rate constant of 21.07 g/mM·min. (engj.org)
  • The kinetic derivation applies to gas phase adsorption. (wikipedia.org)
  • Kinetic studies have shown that the best way to describe the adsorption process of heavy metals is pseudo-first-order. (bvsalud.org)
  • Adsorption equilibrium was approached within 80 min. (ajol.info)
  • A series of experiment adsorption equilibrium reported with SBA-15, NH2-SBA-15, and PVP-SBA-15, which showed an adsorption capacity of 128 mg/g (Cu (II)), 175 mg/g (Pb (II)) and 72 mg/g for Ni(II). (bvsalud.org)
  • The batch-adsorption experiments are carried out for anionic dye(methyl orange) using uncalcined mesoporous materials, calcined mesoporous materials and modified mesoporous materials by impregnation method using polyelectrolyte (PDDA, poly (diallydimethylammonium chloride)) as a modification agent. (sharif.edu)
  • Prepared pericarps were modified by PEI at 30°C and 65°C, which improved the adsorption performance confirmed by batch adsorption experiments. (eeer.org)
  • In the literature it can be found, there are few studies relating to removal of strontium from aqueous solutions using bone ash 18 and eggshell powder 19 . (scialert.net)
  • Experimental results indicated that adsorption of Sr(II) was highly pH dependent and strontium removal at relatively high at pH 5 for BA-HAp and pH 6 for ES. (scialert.net)
  • The effects of experimental parameters such as pH value, initial concentration, contact time and temperature on the adsorption were studied. (iwaponline.com)
  • Experimental data obtained from the present study indicated that the best condition for Pb 2+ adsorption on the dry diatomite (diatomite dosage) was 50 g·L -1 , pH value was 7, adsorption time was 120 min, and initial concentration of Pb 2+ was 200 mg·L -1 . (academicjournals.org)
  • 1. Theory, Molecular/Mesoscopic Simulations, and Experimental Techniques of Aqueous Phase Adsorption. (routledge.com)
  • 3. Atomistic and Experimental Modeling for Adsorption of Metal Ions With Carbon Nanotubes in Aqueous Environment. (routledge.com)
  • The key findings of this research are new experimental data on (1) P adsorption from urine and anaerobic digester filtrate to resin under continuous-flow operation and corresponding regeneration efficiency, and (2) chemical requirements for and mineral purity of P precipitation in the spent regenerants from resin adsorption/desorption and original waste waters. (rsc.org)
  • In this study, the adsorption experiments were carried out on laboratory scale, to evaluate the adsorption capacity of sphagnum moss peat (Poiana Stampei, Romania) for lead, as a function of several experimental parameters. (upt.ro)
  • Motivated by previous experimental achievements in non-aqueous solvents, and recent theoretical predictions, we hypothesize that it is possible to construct clusters that resemble linear or branched polymers, in aqueous solution. (lu.se)
  • In case of two competing adsorbed species, the competitive adsorption model is required while when a sorbed species dissociates into two distinct entities, the dissociative adsorption model need to be used. (wikipedia.org)
  • The multiple adsorbate case is covered in the competitive adsorption sub-section. (wikipedia.org)
  • Metallic cation adsorption tests were performed using synthetic nickel(II) and cadmium(II) solutions to simulate heavy-metal recovery from aqueous solution. (arizona.edu)
  • The adsorption efficiency was greater than 98% for both cadmium and nickel ions when the biosorbent concentration was 5.0 g/L and the initial metal concentrations were 50 mg/L. The surface of the biosorbent was characterized using Fourier transform infrared spectroscopy to investigate the changes in the surface functional groups. (arizona.edu)
  • Protein adsorption is the first event taking place at the biomaterial-tissue interface, which is vital to the subsequent cellular behavior and further influence the biomaterial-tissue interaction. (bioinfor.com)
  • In this work, the protein adsorption behavior of a novel CPS bioceramic was evaluated using the proteomics technology. (bioinfor.com)
  • The adsorption behavior and the phase transition of alkanol and fluoroalkanol at the electrified mercury/aqueous solution interface were investigated by the interfacial tension measurements and the thermodynamic analysis. (elsevierpure.com)
  • The artificial neural networks (ANN) are carried out for prediction of adsorption efficiency for the removal of Sr(II) ions from aqueous solution by eggshell (ES) and bone ash-hydroxyapatite (BA-HAp). (scialert.net)
  • The adsorption of lead(II) ions from aqueous solution onto alkali lignin extracted from Hagenia abyssinica was investigated by electrochemical methods. (ajol.info)
  • A batch adsorption process of Pb (II) ions from aqueous solution using modified magnetic nanocomposite from Oil Palm Empty Fruit Bunch (OPEFB). (indjst.org)
  • The adsorption activities of the as-prepared materials were assessed for the removal of fluoride ions from aqueous media using a batch technique. (bvsalud.org)
  • The mechanism of adsorption is also highly complex and difficult to model and simulate using conventional mathematical modelling due to the interaction of more number of adsorption process variables 11 . (scialert.net)
  • The nature and mechanism of adsorption is primarily effective within porous solids however, the interactive forces of physical attraction between the surface of porous solids and the targeted components of the molecules in the bulk phase establish adsorption process [ 9 ]. (omicsonline.org)
  • The greater adsorption capacity of water treatment residuals nanoparticles (nWTRs) in comparison with larger particles suggests their use as a very promising candidate for contaminated water and wastewater remediation. (hindawi.com)
  • 5. Coating of Nanoparticles in Aqueous Solutions : Insights from Molecular Dynamics Simulations. (routledge.com)
  • His research interests are the development of carbon-based materials, especially carbon nanofibers and nanoparticles in adsorption, catalytic reactions, biomedical, drug delivery, sensors, microbial fuel cells and agricultural applications. (routledge.com)
  • Dr. Singh 's current research interest is in material modeling, self assembly, energy storage, wetting transition, nanotribology and selective adsorption. (routledge.com)
  • Selective adsorption of Au (III) from mixed metal solutions under different acidic conditions was studied. (confex.com)
  • FT-IR, SEM-EDS, and XPS analyses were used to characterize the sorbent and identify the functional groups and potential biosorption mechanisms that contributed to the selective adsorption of Au (III). (confex.com)
  • Experiments were conducted to investigate surface chemistry characterization and adsorption capacity of the diatomite before and after modification, and adsorption capacity of Pb 2+ onto raw diatomite, PAM modified diatomite, zeolite, vermiculite and red soil. (academicjournals.org)
  • Characterization and adsorption tests suggested electrostatic interaction played a key role in MO removal, accompanied by intermolecular hydrogen bond, π-π dispersion interaction and pore filling collectively. (eeer.org)
  • Fourier transmission infrared (FTIR) analyses suggested the participation of OH − , O-Al-O, FeOH, and FeOOH entities in the adsorption process. (hindawi.com)
  • In addition, ANN model is an effective technique in modeling, estimation and prediction of adsorption process for Sr(II) ions onto ES and BA-HAp. (scialert.net)
  • The ANN is one of the data based non-traditional tools for modeling of the adsorption process. (scialert.net)
  • The adsorption was an exothermic process. (iwaponline.com)
  • The results demonstrated that the EC/PS adsorption coupling method achieved a reduction of 94% UED and UEMD compared with EC process. (iwaponline.com)
  • rare download Adsorption, yozay ages process place, account sites late view. (matesi.gr)
  • The recovery of PO 4 using the two-step adsorption-precipitation process was compared with direct precipitation in urine and anaerobic digester filtrate considering chemical requirements for precipitation and mineral purity. (rsc.org)
  • As you inform readers about energy saving opportunities in the coming months, I would like to make you aware of the role adsorption chillers could play in helping them achieve air conditioning and process cooling by recovering waste heat. (eu.com)
  • The exact nature of the bonding depends on the details of the species involved, but the adsorption process is generally classified as physisorption (characteristic of weak van der Waals forces ) or chemisorption (characteristic of covalent bonding). (wikipedia.org)
  • Adsorption is present in many natural, physical, biological and chemical systems and is widely used in industrial applications such as heterogeneous catalysts , [8] [9] activated charcoal , capturing and using waste heat to provide cold water for air conditioning and other process requirements ( adsorption chillers ), synthetic resins , increasing storage capacity of carbide-derived carbons and water purification . (wikipedia.org)
  • Based on the values of entropy changes (ΔS) (50.04 J/mol k), the enthalpy changes (ΔH) (9.26 kJ/mol), and the negative Gibbs free energy changes (ΔG), the adsorption process was endothermic, random, and spontaneous. (researchsquare.com)
  • The activation energy of sorption obtained was 22.76 kJ mol−1 indicates that physical sorption also contributes to the adsorption process. (indjst.org)
  • Results demonstrate that the adsorption process was spontaneous and endothermic under natural conditions. (nsmsi.ir)
  • The adsorption process was followed by an on-line spectrophotometric analysis system, which consisted of UV-spectrophotometer, a designed spectrophotometric cell, peristaltic pump and a glassy reactor. (gnest.org)
  • Adsorption experiments were carried out in a batch mode with varying pHs, MgO concentrations, initial dye concentrations, contact times, and temperatures. (ac.ir)
  • Adsorption properties of layered anionic clay-composites for the removal of anionic dyes from water were studied. (scirp.org)
  • The clay-alginate composite with 5.9% alginate showed highest adsorption for both the dyes. (scirp.org)
  • A continuous monolayer of adsorbate molecules covering a homogeneous flat solid surface is the conceptual basis for this adsorption model. (wikipedia.org)
  • Adsorption is the adhesion [1] of atoms , ions or molecules from a gas, liquid or dissolved solid to a surface . (wikipedia.org)
  • Brunauer, Emmett and Teller's model of multilayer adsorption is a random distribution of molecules on the material surface. (wikipedia.org)
  • The zero adsorption of fluoroalkanol molecules suggests the driving force of the adsorption may be the interaction hydrophobic group of alcohol molecule and mercury. (elsevierpure.com)
  • Fischer, J. (2004): Change of free energy during adsorption of molecules. (boku.ac.at)
  • The maximum adsorption capacity of the composite was enhanced by 51% for Acid Green 25 and 160% for Acid Green 27, compared to the pristine layered clay sample. (scirp.org)
  • A maximum adsorption capacity was found to be 80.41 mg g -1 of the dry weight of lignin. (ajol.info)
  • In order to increase diatomite adsorption capacity, polypropylene acetamide (PAM) and barium chloride (BaCl 2 ) were employed to modify the diatomite. (academicjournals.org)
  • The spray dryer provides a dry product with higher adsorption capacity than that of the other methods. (scielo.br)
  • The vibro-fluidized bed drying showed higher adsorption capacity than that of vacuum and freeze drying. (scielo.br)
  • The vacuum and freeze drying presented the same adsorption capacity. (scielo.br)
  • The fabricated biosorbent was regenerated using NaCl multiple times, with 2.1% for Cd and 4.0% for Ni in adsorption capacity after three regeneration cycles. (arizona.edu)
  • In this study, the Methyl orange (MO) adsorption capacity by a novel bioadsorbent obtained from lychee and longan pericarps via simple modification was investigated. (eeer.org)
  • The maximum adsorption capacity (349.37 mg/g) was observed for LC@PEI-65 at 45°C and pH 4. (eeer.org)
  • Caffeine adsorption from the aqueous phase was studied using biomass derived activated carbons (DD: dendě coco and BB: babassu coco) and a commercially available activate carbon (NO: norit® GAC 1240 plus). (unl.pt)
  • DOI: 10.1016/j.cis.2019.102061] We examine here the micellization of mono-rhamnolipids and di-rhamnolipids in aqueous solutions and their adsorption on solid surfaces, and discuss the effects of rhamnolipid headgroup, rhamnolipid purification, and presence of salt in water. (aiche.org)
  • The investigations here concern the adsorption from benzene out of aqueous solutions on carbon surfaces by molecular dynamics. (boku.ac.at)
  • In this work, we use simple coarse-grained models of these systems, where the bare surfaces carry a uniform charge density, and ion-specific adsorption is absent. (lu.se)
  • It was noticed that the adsorption of SY on MgO was exothermic and spontaneous at low temperatures. (ac.ir)
  • Sodium alginate is an anionic polysaccharide distributed widely in the cell walls of brown algae, which can be extracted by treating algae with sodium carbonate solution and recovered by precipitation. (confex.com)
  • However, the dissolution of sodium alginate in aqueous solution has limited its application as a sorbent. (confex.com)
  • In this study, porous alginate beads were prepared by modifying epichlorohydrin and thiourea with sodium alginate, and then dropped into calcium chloride solution to form beads. (confex.com)
  • He has also developed lattice Boltzmann method-based mathematical models for adsorption and flow systems. (routledge.com)
  • The effect of current density, pH of MG solution, dosage of PS and initial concentration of MG were also investigated. (iwaponline.com)
  • In the alkanol system, it is found that the phase transitions in low interfacial densities occur: the ones from the zero adsorption to the gaseous or the expanded state and the gaseous to the expanded state at the electrified interface depending on the electrostatic nature as well as the concentration in the bulk phase. (elsevierpure.com)
  • The aqueous solution influence of various pH, also the initial metal ion concentration, peat dose and contact time was studied in batch experiments. (upt.ro)
  • With the increasing of initial lead concentration, the residual Pb(II) content from aqueous solution increase the same, but the removal percent is higher than 95 % only in case of solutions with an initial concentration lower than 350 mg/L. In addition was also observed that the retained lead ions could be easily leaching from sphagnum moss peat using 0.5 N HCl solution. (upt.ro)
  • The effect of initial dye concentration, mass of GAC, initial pH and temperature on adsorption was studied over 60 min adsorption period. (gnest.org)
  • F. D. Alsewailem and S. A. Aljlil, "Recycled Polymer/ Clay Composites for Heavy-Metals Adsorption," Materials Technology, Vol. 47, 2013, pp. 525-529. (scirp.org)
  • The value of ΔG°, ΔH°, and ΔS° demonstrated that the adsorption of heavy metals on the PVP-SBA-15 was endothermic in nature and spontaneous. (bvsalud.org)
  • There has been little research into the effects of the water hardness and pH of surface waters on the adsorption of caffeine on activated carbons. (unl.pt)
  • Adsorption chillers are driven by hot water rather than by large amounts of electricity like conventional air conditioners. (eu.com)
  • Adsorption chillers present a new choice to plant managers and engineers, one that is far better than absorption chillers or mechanical chillers. (eu.com)
  • Have low maintenance and operating costs (adsorption chillers need no compressors, so there are no high voltage requirements, no high pressure, no overhaul, no oil changes and only minor service required every three years). (eu.com)
  • Power Partners (www.eco-maxchillers.com) has prepared a white paper that explains the properties of adsorption chillers and the advantages they provide compared with other types of chillers. (eu.com)
  • The ability to integrate adsorption chillers with tri-generation or CCHP is addressed on page 10. (eu.com)
  • Please let me know if you would like to speak to Power Partners' marketing team to learn more about ECO-MAX adsorption chillers. (eu.com)
  • Solution pH and polymer layer thickness were studied as independent parameters to determine their impacts on amino acid adsorption. (aiche.org)
  • The paper discusses the thermodynamic parameters of the adsorption (the Gibbs free energy, entropy, and enthalpy). (nsmsi.ir)
  • For example, polymer physisorption from solution can result in squashed structures on a surface. (wikipedia.org)
  • Experiments: In this work, we specifically synthesize poly (ethylene glycol) (PEG) chains, grafted onto poly(styrene) (PS) particles in aqueous solution, and adjust the conditions so that strongly anisotropic and isolated polymer-like clusters are formed. (lu.se)
  • He has worked on research projects funded by public and private bodies on design, computer simulation and laboratory prototyping of passive and active thermal energy systems ( co- and tri-generation systems, adsorption and absorption systems, evaporative cooling systems, thermal storage, heat pumps, heat recovery and advanced heat transfer enabling technologies). (nottingham.ac.uk)
  • The as-prepared composites were identified using Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), nitrogen physical adsorption (BET), atomic absorption spectrophotometry (AA), and thermal gravimetric analysis (TGA). (bvsalud.org)
  • Solution conditions which reduced colloidal stability of the antibody, as assessed by determination of osmotic second virial coefficients, accelerated aggregation during agitation with silicone oil. (nih.gov)
  • The effect of solution pH, lignin dosage and contact time were investigated at room temperature in a batch system. (ajol.info)
  • Adsorption, ion exchange and chromatography are sorption processes in which certain adsorbates are selectively transferred from the fluid phase to the surface of insoluble, rigid particles suspended in a vessel or packed in a column. (wikipedia.org)
  • The separation of solutes out of aqueous solutions is important for many chemical and bio engineering processes. (boku.ac.at)
  • The materials were characterized by different techniques, including FTIR, low and wide-angle XRD, N2-adsorption, and HR-TEM. (bvsalud.org)
  • Water treatment alternatives such as adsorption using agricultural residues are currently being studied to eliminate pollutants that cause eutrophication in water bodies, avoiding the alteration of aquatic ecosystems. (mdpi.com)
  • N. Bleiman and Y. G. Mishael, "Selenium Removal from Drinking Water by Adsorption to Chitosan-Clay Composites and Oxides: Batch and Columns Tests," Journal of Hazardous Materials, Vol. 183, No. 1-3, 2010, pp. 590-595. (scirp.org)
  • Carboxylated chitosan (CKCTS) was prepared for the removal of Cd(II), Pb(II), and Cu(II) from aqueous solutions. (iwaponline.com)
  • Adsorption of methyl-orange from aqueous solution onto nanoporous silica materials', Scientia Iranica , 21(6), pp. 2036-2048. (sharif.edu)