Introduction to Layer Adsorption

The adsorption process follows pseudo-second-order kinetics and the Freundlich models better, indicating multilayer adsorption of TCH on the surface of the two absorbents.

The experimental data better fitted the pseudo-second-order and Freundlich isotherm model demonstrating multilayer adsorption of pollutants onto MgO adsorbent with endothermic nature.

The adsorption behavior of MB on the aerogel was investigated with the aid of kinetics and isotherm models and found to fit a Langmuir model, which suggested monolayer adsorption of dye with maximum adsorption capacity of 24.

The adsorption capacity of these MNPs was determined through kinetic and equilibrium experiments, multilayer adsorption that obeyed the Freundlich model equation was observed, and the maximum adsorption capacities reached were 250 mg/g for CoFe2O4 and 230 mg/g for MnFe2O4.

The Cr (VI) sorption studies revealed that the composite adsorbent (MU-2) showed maximum monolayer adsorption capacity (Qm) of 743 mg g-1 which followed pseudo second order kinetics.

The maximum Langmuir monolayer adsorption capacity of DPBC for CIP was higher than 1000 mg g-1 and the equilibrium time was less than 4 h, superior to most adsorbents reported in literature.

In-situ Chemical bath deposition (CBD) technique was adopted for CISe QDs sensitization, followed by co-sensitization of Ag doped CdS (Ag–CdS) layer through successive ionic layer adsorption and reaction (SILAR) method.

The pure ZnO nanostructures have been synthesized using the successive ionic-layer adsorption and reaction (SILAR) combined with the chemical bath deposition (CBD) process at various deposition times.

The Langmuir model, pseudo-first-order, and pseudo-second-order kinetic models fitted the experimental data, indicating that the adsorption process was monolayer adsorption, and both physisorption and chemisorption occurred.

The adsorption kinetics and isotherms were better described by a pseudo-first-order model and the Langmuir adsorption model, respectively, based on physical adsorption (monolayer adsorption) of the adsorbed molecules.

Successful synthesis of copper sulphide films deposited via successive ionic layer adsorption and reaction (SILAR) method at 100, 150, and 200 cycles.

The effect of iron-doping on lead sulphide (PbS) thin films deposited on glass substrates via successive ionic layer adsorption (SILAR) Technique using lead Nitrate, Pb(NO3)2, thiourea, Iron (II) Chloride dehydrate(Fe Cl2.

The adsorption process follows the Langmuir adsorption isotherm model with the maximum monolayer adsorption capacity of 2.

DCF adsorption of these composites obey the Langmuir adsorption isotherm model suggesting monolayer adsorption process whereas the intra-particle diffusion model indicates that the adsorption of DCF primarily occurs on the exterior surface.

Furthermore, the equilibrium data were well fitted to the Redlich–Peterson isotherm model indicating a dominant monolayer adsorption.

Adsorption of methylene blue with hydrogels was well fitted with the Freundlich isotherm model, indicating the multilayer adsorption process on heterogeneous surfaces.

The present work is about the preparation of silver (Ag)-doped manganese oxide (MnO2)/graphene oxide (GO) composite thin films are deposited by a facile and binder-free successive ionic layer adsorption and reaction (SILAR) method for the first time.

In this study, the lanthanum sulfide-manganese sulfide (La2S3-MnS) nanosheet composite films with different thicknesses were grown on graphene oxide (GO) (LMS/GO) coated stainless steel substrate using binder-free successive ionic layer adsorption and reaction (SILAR) method, for the first time.

The adsorption process of PVA/GO nanofiber film on Cu2+ was in line with the Langmuir isothermal adsorption model, that is, single molecular layer adsorption, the distribution of adsorption active sites was relatively uniform, and the increasing temperature was more conducive to the adsorption of Cu2+.

The isothermal adsorption process conforms to the Langmuir adsorption isothermal adsorption model, which is a single molecular layer adsorption, and the maximum adsorption amounts are 526.

From the calculated intra-particle diffusion, isotherm, thermodynamic parameters, it can be concluded that the intra-particle diffusion and monolayer adsorption primarily governed the adsorption of radioactive species using SCWB-P and SCWB-A, and their adsorption processes occurred spontaneously and endothermically.

Further, experiments on adsorption kinetics and adsorption isotherms were done, and it was found that the process followed intra-particle diffusion rate kinetics and Freundlich’s adsorption isotherm model (indicating multilayer adsorption).

Present effort portrays the growth of nanostructured bismuth vanadate (BiVO4) as an active electrode for supercapacitor application by using ease and industry scalable successive ionic layer adsorption and reaction (SILAR) method.

Thin films of (Co-Mn)S are deposited on stainless steel (SS) substrates via a scalable successive ionic layer adsorption and reaction (SILAR) method for the first time.

This research article reports on the post-annealing treatment time effect on the dip-successive ionic layer adsorption and reaction (SILAR) prepared nano-flake-based mesoporous BiOI electrochemical cell's photovoltaic properties.

This study mainly deals with clarifying the effects of phase transformations on the structure, optical, and electrical properties of BiOI thin film prepared via dip-successive ionic layer adsorption and reaction (SILAR) method at different annealing temperatures ranging from 100 to 400 °C.

The adsorption data fit well with the Langmuir isotherm model, with the maximum monolayer adsorption capacity of 13.

The adsorption data fit better to the Langmuir isotherm and follow the pseudo-second-order model, suggesting that it is a monolayer adsorption process with chemisorption as the rate-limiting step.

The data of the adsorption kinetic and adsorption isotherm fitted well with pseudo-second order kinetic and Langmuir isotherm models, which indicating the existence of chemical adsorption and monolayer adsorption process.

Langmuir isotherm fitted well with experimental data suggesting homogenous and monolayer adsorption of fluoride.

Data simulated into the adsorption and kinetic models fitted well the Freundlich isotherm implicating multilayer adsorption – chemisorption process and pseudo-second –order kinetics as the rate limiting step.

In the mathematical modeling, three different rate-limiting steps were applied to kinetic data, namely, external mass transfer resistance (EMTR), internal mass transfer resistance (IMTR) and monolayer-multilayer adsorption (MMA).

82 mg/g, respectively, whereas the adsorption of Fe was suggestive of a multilayer adsorption process; however, Fe Langmuir maximum adsorption capacity was found to be 81.

While pure LDH and LDO showed values of maximum monolayer adsorption capacities (qe) of 151 and 807 mg/g, respectively, low amount of CoFe2O4 increased the MO absorption to 262 and 1355 mg/g for LDH and LDO, respectively.

The nonlinear isotherm and kinetic studies exhibited a better fitting to second-order kinetic and Langmuir isotherm models, with a maximum monolayer adsorption capacity of 318.

The adsorption process was multi-molecular layer adsorption, and the quasi-second-order kinetic equation indicated that the adsorption could be chemical adsorption.

The dual-site Langmuir model can well describe the experimental data, indicating that double adsorption sites rather than the simple single-layer adsorption are dominant in samples.

999) were found to match well with the experimental data, indicating the sorption of Zn2+ on 001⁎7 was homogeneous monomolecular layer adsorption and dominated by chemisorption.

Its Pb2+ removal behaviours followed pseudo-second-order kinetic equation and Langmuir model, suggesting that Pb2+ removal depended on monolayer adsorption.

Depositions of CdS on TiO2 electrodes were carried out by successive ionic layer adsorption and reaction (SILAR) method with optimized ten cycles.

Successful synthesis of copper sulphide films deposited via successive ionic layer adsorption and reaction (SILAR) method at 100, 150, and 200 cycles.

The CdS sensitizer was grown on doctor blade-coated TiO2 films using successive ion layer adsorption and reaction (SILAR) method.

Present study reports highly sensitive, selective and rapid sub-ppm level detection of nitrogen di-oxide (NO2) using pristine zinc oxide (ZnO) thin films prepared by a simple and efficient technique - Successive Ion Layer Adsorption and Reaction (SILAR).

The injected CO2 first replaced the adsorbed CH4 by covering the inner surface of macro-pores and meso-pores to form the single molecular layer adsorption of CO2.

The adsorption process of PVA/GO nanofiber film on Cu2+ was in line with the Langmuir isothermal adsorption model, that is, single molecular layer adsorption, the distribution of adsorption active sites was relatively uniform, and the increasing temperature was more conducive to the adsorption of Cu2+.

BHMT could rapidly remove more acid-soluble fractions of Cd and Pb through the electric double layer adsorption, and is favorable under neutral conditions.

The adsorption of ibuprofen (IBP) on raw and functionalized cocoa shell biomasses was studied via the statistical physics theory assuming a double layer adsorption process.

In addition, the inhibitor obeys the single layer adsorption isotherm of Langmuir.

Irrespective of its single layer adsorption kinetics, 0.

A Freundlich model indicated that the adsorption process was heterogeneous multimolecular layer adsorption on the surface.

The adsorption isotherms research displayed that the adsorption was consistent with the Freundlich model, demonstrating that the adsorption for Pb2+ with the prepared adsorbent was a multimolecular layer adsorption process.

The experimental results and the physical models reveal that the zinc and nickel complexation processes are to be examined using the mono layer adsorption model.

Gas phase adsorption isotherms confirmed the mono layer adsorption behavior.

The adsorption by BS-GMA-EDA-Q and BS-GMA-PEHA-Q both well obeyed the pseudo-second-order kinetic model and the Langmuir isotherm model, indicating that the adsorption process was chemical monomolecular layer adsorption.

999) were found to match well with the experimental data, indicating the sorption of Zn2+ on 001⁎7 was homogeneous monomolecular layer adsorption and dominated by chemisorption.

The maximum monolayer adsorption capacity of Cu/Cu2O/C for methyl orange (MO) and acid blue 93 (AB93) is 1408.

The nonlinear isotherm and kinetic studies exhibited a better fitting to second-order kinetic and Langmuir isotherm models, with a maximum monolayer adsorption capacity of 318.

This phenomenon indicates that the CH4 adsorption in coals is a micropore filling or multi-layer adsorption process (especially in anthracites at high pressure stage) rather than a simple Langmuir monolayer adsorption process.

82 mg/g, respectively, whereas the adsorption of Fe was suggestive of a multilayer adsorption process; however, Fe Langmuir maximum adsorption capacity was found to be 81.

This theoretical study was performed via a double-layer adsorption model that was formulated from statistical physics.

The Langmuir monolayer adsorption model best fitted both BCs with separation factor R L.

The equilibrium data showed better fitting to the Langmuir model, indicating the monolayer adsorption behavior.

The adsorption isotherm was better fitted to Langmuir model which suggested monolayer adsorption behavior.

As main conclusion, supported by DRIFTS analysis and O/C ratios, AC3 and AC2 containing more oxygenated groups, must adsorb PEME onto their surface according to a monolayer adsorption mechanism.

The adsorption process conforms well to the pseudo-second order (PSO) kinetic model and Jovanovich model, proving that adsorption occurs via chemical and monolayer adsorption mechanisms.

e an in-situ anodization (AND) and a successive ionic layer adsorption reaction (SILAR).

Magnesium oxide (MgO) thin films were grown by successive ionic layer adsorption reaction (SILAR).

Experimental results showed that monolayer adsorption occurred for both of TC and CIP with adsorption capacities 26.

For small proteins, such as BSA and OVA, monolayer adsorption occurred on Q Sepharose FF, which has no dextran chains.

The Langmuir and Freundlich isotherm models fitted well to the sorption data of the antibiotics indicating monolayer to multilayer adsorption onto the biochars.

The Langmuir isotherm fitted well to the CV data, supporting its monolayer adsorption onto the Ec-bio, while the Freundlich isotherm was a good fit to the MB dye data, suggesting the surface heterogeneity of the Ec-bio.

In addition, the fitting degree depicted a linear negative correlation versus TOC, while mineral composition did not exhibit a significant effect on the fitting degree, which was caused by the complex pore structure of organic matter, and the applicability of the monolayer adsorption theory was lower than that of CH4 adsorption on the mineral’s pore surface.

The evolution of fixed-charge in the hydrogel is modeled by Langmuir monolayer adsorption theory.

Hetero-structure composite electrode based on copper sulfide (CuS), zinc oxide (ZnO), and porous carbonized cotton (PCc) is prepared via vacuum thermal evaporation technology and successive ionic layer adsorption methods.

In this research, a dual Z-scheme Bi2MoO6/Bi2WO6\AgI\Ag photocatalyst is prepared via isoelectric point and continuous ion layer adsorption methods.

The adsorption process fitted with the Freundlich's isotherm, revealing a multilayer adsorption pattern.

This indicated a monolayer adsorption pattern for Pb2+ ions over MGO@LaS.

The adsorption isotherms showed multilayer adsorption dominated at low concentration and monolayer adsorption at high concentration between the interface of ZEAs and Fe3O4@TAPB-Tp.

00), indicating that the adsorption of Pb(II) was mainly monolayer adsorption dominated by chemical adsorption.

The adsorption of fluoride on carbon ribbon/Al2O3 could be described as the chemical and multilayer adsorption, while the adsorption of fluoride on nitrogen-doped carbon ribbon/Al2O3 followed the chemical and monolayer adsorption phenomenon.

The best fit was achieved with the Redlich-Peterson model, exhibiting a monolayer adsorption phenomenon.

In addition, the inhibitor obeys the single layer adsorption isotherm of Langmuir.

Langmuir adsorption monolayer, Freundlich, intraparticle diffusion, and multilayer adsorption isotherms were used for the determination of maximum adsorption efficiency and adsorption isotherm parameters.

Also it followed the Langmuir adsorption model, with single molecular layer adsorption characteristics.

The results showed that HPAM presents a typical Langmuir monolayer adsorption characteristic, and its adsorption capacity (per unit area) is 1.

This suggests that multi-layer adsorption occurs which is in agreement with the best applicability of the isotherm Freundlich.

Therefore, modeling studies portrayed the present Cd(II) ions adsorption on PAPMI as monolayer adsorption occurs on the homogeneous surface and follows the physisorption mechanism.

Fiber samples that had adsorbed MB and BG were subjected to various adsorption isotherms which confirmed the multilayer adsorption properties of the fiber samples by satisfying various isotherms, mainly the Freundlich and Elovich adsorption isotherms.

The Cd (II) and As (V) uptake reactions follow the Freundlich equilibrium behavior with heterogeneous and multilayer adsorption properties.

The adsorption of the dye match with the Langmuir model across chemical monolayer adsorption performance.

The adsorption of the dye match with the Langmuir model across chemical monolayer adsorption performance.

Monolayer adsorption played the key role during the phenol adsorption.

Multi-layer adsorption played a dominant role in the adsorption of Tl, which was supported by the suitability of Freundlich model for describing the adsorption behavior of Tl onto the selected sorbents.