Synsets for "adsorbent"

Synset: adsorbent.n.01

Synonyms: adsorbent

Part of Speech: NOUN

Definition: a material having capacity or tendency to adsorb another substance


Lemmas: adsorbent adsorbent_material

Hypernym: sorbent




Synset: adsorbent.a.01

Synonyms: adsorbent

Part of Speech: ADJECTIVE

Definition: having capacity or tendency to adsorb or cause to accumulate on a surface


Lemmas: adsorbent adsorptive surface-assimilative



Antonyms: nonadsorbent


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Floral scent Most used methods rely on adsorbing floral VOCs on an adsorbent material such as SPME fibers or cartridges by pumping air sampled around inflorescences through the adsorbent material.
Dry decontamination Adsorbent materials adhere to and encapsulate contaminants on various surfaces. Adsorbent materials do not increase in volume when a contaminant is absorbed.
Continuous adsorption-regeneration Polluted effluent is added into the bottom of the cell and mixed with the adsorbent in the adsorption zone 1.1 where adsorption of the pollutants onto the surface of the adsorbent occurs. Mixing between the adsorbent and the polluted effluent is promoted by air spargers at the base of the cell which also facilitate the migration of the adsorbent upwards and into the cell's sedimentation zone.
Sharp Coronado Hospital • Liver dialysis orMARS (Molecular Adsorbent Recirculating System )
Nitrogen generator The system's design is based on the regulation of gas adsorption and adsorbent regeneration by means of changing pressures in two adsorber–adsorbent-containing vessels. This process requires constant temperature, close to ambient. With this process, nitrogen is produced by the plant at the above-atmospheric pressure, while the adsorbent regeneration is accomplished at below-atmospheric pressure.
Nitrogen generator The adsorption gas separation process in nitrogen generators is based on the phenomenon of fixing various gas mixture components by a solid substance called an adsorbent. This phenomenon is brought about by the gas and adsorbent molecules' interaction.
Continuous adsorption-regeneration The adsorbent is separated from the now treated effluent in the sedimentation zone where the density of the adsorbent allows separation by gravitational sedimentation. The treated effluent is allowed to overflow out of the cell.
Elution In a liquid chromatography experiment, for example, an analyte is generally adsorbed, or "bound to", an adsorbent in a liquid chromatography column. The adsorbent, a solid phase (stationary phase), is a powder which is coated onto a solid support. Based on an adsorbent's composition, it can have varying affinities to "hold" onto other molecules—forming a thin film on its surface. Elution then is the process of removing analytes from the adsorbent by running a solvent, called an "eluent", past the adsorbent/analyte complex. As the solvent molecules "elute", or travel down through the chromatography column, they can either pass by the adsorbent/analyte complex or they can displace the analyte by binding to the adsorbent in its place. After the solvent molecules displace the analyte, the analyte can be carried out of the column for analysis. This is why as the mobile phase passes out of the column, it typically flows into a detector or is collected for compositional analysis.
Heterogeneous catalysis Adsorption is commonly an essential first step in heterogeneous catalysis. Adsorption is when a molecule in the gas phase or in solution binds to atoms on the solid or liquid surface. The molecule that is binding is called the adsorbate, and the surface to which it binds is the adsorbent. The process of the adsorbate binding to the adsorbent is called adsorption. The reverse of this process (the adsorbate splitting from adsorbent) is called desorption. In terms of catalyst support, the catalyst is the adsorbate and the support is the adsorbent.
Uranium mining At the Takasaki Radiation Chemistry Research Establishment of the Japan Atomic Energy Research Institute (JAERI Takasaki Research Establishment), research and development has continued culminating in the production of adsorbent by irradiation of polymer fiber. Adsorbents have been synthesized that have a functional group (amidoxime group) that selectively adsorbs heavy metals, and the performance of such adsorbents has been improved. Uranium adsorption capacity of the polymer fiber adsorbent is high, approximately tenfold greater in comparison to the conventional titanium oxide adsorbent.
Convectant drying Work on the principle of adsorption. Wet air is attracted to moisture adsorbent material.
Adsorption formula_11 is difficult to measure experimentally; usually, the adsorbate is a gas and the quantity adsorbed is given in moles, grams, or gas volumes at standard temperature and pressure (STP) per gram of adsorbent. If we call "v" the STP volume of adsorbate required to form a monolayer on the adsorbent (per gram of adsorbent), formula_18 and we obtain an expression for a straight line:
Freundlich equation "K" and "n" are constants for a given adsorbate and adsorbent at a particular temperature.
Finings Their actions may be broadly categorized as either electrostatic, adsorbent, ionic, or enzymatic.
Polymyxin B An endotoxin removal cartridge (Toraymyxin) is a blood purification medical device and it uses polymyxin B as immobilized adsorbent.
Iron oxide adsorption Fe(OH) in water is a strong adsorbent of arsenate, As(V), provided that the pH is low. HCl lowers pH, assuring arsenic adsorption, and the disassociated chlorine oxidizes iron in solution from Fe to Fe, which then may bond with hydroxide ions, OH, thus creating more adsorbent.
Thin-layer chromatography Thin-layer chromatography (TLC) is a chromatography technique used to separate non-volatile mixtures. Thin-layer chromatography is performed on a sheet of glass, plastic, or aluminium foil, which is coated with a thin layer of adsorbent material, usually silica gel, aluminium oxide (alumina), or cellulose. This layer of adsorbent is known as the stationary phase.
Adsorption Adsorption is usually described through isotherms, that is, the amount of adsorbate on the adsorbent as a function of its pressure (if gas) or concentration (if liquid) at constant temperature. The quantity adsorbed is nearly always normalized by the mass of the adsorbent to allow comparison of different materials. To date, 15 different isothem models were developed.
Activated alumina Activated alumina is used for a wide range of adsorbent and catalyst applications including the adsorption of catalysts in polyethylene production, in hydrogen peroxide production, as a selective adsorbent for many chemicals including arsenic, fluoride, in sulphur removal from gas streams (Claus Catalyst process).
Nitrogen rejection unit For smaller volumes of gas, a system utilizing Pressure Swing Adsorption (PSA) is a more typical method of separation. In PSA, methane and nitrogen can be separated by using an adsorbent with an aperture size very close to the molecular diameter of the larger species, in this case methane (3.8 angstroms). This means nitrogen is able to diffuse through the adsorbent, filling adsorption sites, whilst methane is not. This results in a purified natural gas stream that fits pipeline specifications. The adsorbent can then be regenerated, leaving a highly pure nitrogen stream. PSA is a flexible method for nitrogen rejection, being applied to both small and large flow rates.