Introduction to Pollutant Adsorption

Particle packing is widely applied in organic pollutant adsorption, catalytic reaction, biomass combustion, nuclear cooling, and other scenarios.

Hydrogel is a porous 3D network structure with good pollutant adsorption capacity, water holding capacity, water adsorption capacity, and reversible swelling ability, which has been widely used in water treatment.

Additionally, electrostatic interaction and other non-covalent forces, such as hydrogen bonds, halogen bonds, and π-π interactions, are also mechanisms of organic pollutant adsorption on MPs.

A fast, facile and one-pot chemical activation method was used to develop porous carbons with high surface area and excellent phenolic micropollutant adsorption performance from renewable precursors.

Besides, the role of hybrid nanoflower has been successfully utilized in many fields including, water remediation, biocatalyst, pollutant adsorption and decolourization, nanoreactor, biosensing, cellular uptake and others, accompanied with several quantification technologies, such as ELISA, electrochemical, surface plasmon resonance (SPR), colorimetric, and fluorescence were comprehensively reviewed.

Titanium dioxide (TiO2) has been commonly used as a photocatalyst owing to its white pigment, excellent photocatalytic activity and low cost; however, its poor pollutant adsorption properties and high electron-hole recombination ratio limit its practical application.

The interface catalytic mechanism was comprehensively investigated from interface electron transfer, interface ROS activation, and interface pollutant adsorption.

And then, the computer simulations in the field of h-BN nanosheets are described, and several recent studies of the membrane filtration of h-BN and pollutant adsorption of h-BN are reviewed from molecular dynamics insights.

Such behaviors of anionic pollutant adsorption and dye separation are mainly caused by an ion-exchange process facilitated by the large cavity and decentralized distribution of positive charge in Cu-CMOF.

Pyrogenic carbon (PyC) or black carbon (BC), the residue of grassland and forest fires and fossil fuel combustion, plays an important role in carbon storage and pollutant adsorption in soil.

No significant difference in individual adsorption and multi-pollutant adsorption was found.

, pollutant adsorption and photocatalysis in water treatments).

Biochars, as promising adsorbents, have been widely used in organic pollutant adsorption because of their good adsorption performance and stability.

Carbonaceous materials and their composites have been widely used due to their unique surface properties and high adsorption capacities, but better adsorbents with higher pollutant adsorption capacities and faster uptake are still needed.

α-Fe2O3 and Fe3O4 nanoplates and nanorices were synthesized by hydrothermal reaction and used for organic pollutant adsorption and removal studies.

Generally, biochar only relies on micropores for pollutant adsorption, but physical adsorption is not highly efficient for arsenic removal.

The adsorption efficiency on PVC followed the order of ANT > MOHA > DOHA > TOHA, indicating that increase in hydroxyl group substitution degree will inhibit pollutant adsorption on PVC microplastics.

The replacement of Zr metal center with Ce yields a MOF that can be synthesized in shorter durations with lesser energy consumptions and with excellent multipollutant adsorption properties.

The results from this study are likely to reveal the mechanisms of pollutant adsorption on hydrochars and their different susceptibilities under various ageing environment, suggesting us to comprehensively consider the reciprocal effects of natural ageing and coexisting pollutants on a long-term use of hydrochar in the field.

They can be used for NOx pollutant adsorption from ambient air: the ones derived from SSZ-13 with higher Al pair content contain more cobalt(II) and thus, perform better as ambient-air NOx adsorbers before reaching full saturation capacity.

Contaminated groundwater migrates in reverse direction under capillary force in vadose zone, and the attenuation process of pollutant adsorption and microbial degradation changes the environment of vadose zone.

Among these applications, firstly, the hydrophilic alteration plays a key role in recovery of the oil production process; secondly, hydrophobic circumstance of surface drives the organic pollutant adsorption more effectually; finally, super-wetting property of matrix ensures the high-efficient separation of oil from water.

Moreover, as a kind of static block adsorbents, the BNFs also have outstanding pollutant adsorption performances for S8 and Li2Sx in organic solvents, and the Ni(II) ions and methylene blue molecules in water.

Graphene composites made up of graphene derivatives with conventional photocatalysts enhanced the performance of photocatalysis by extending the light absorption ability, photostability, pollutant adsorption, catalysis etc.

crassifolia had higher air pollutant adsorption and soil pollution remediation capacities than the other two forests.

The β-Ni(OH)2 clusters are subjected to aqueous phase pollutant adsorption for multiple anionic dyes [congo red (CR), acid fuchsin (AF) and acid red 27 (AR-27)], and heavy metal ions [divalent lead ion, Pb(II) and divalent cadmium ion, Cd(II)].

The aim, was to fully exploit the structural advantages of this composite’s ultra-low bulk density, large specific surface area, and high porosity, as well as provide more available adsorption sites by ZIF-67 polyhedrons, to facilitate pollutant adsorption from waste water.

The effects of melanin extraction from biomass on cationic pollutant adsorption of biomass remain unknown.

In addition, the applications of hydrochar, mainly in the fields of agriculture, pollutant adsorption, catalyst support, bioenergy, carbon sequestration, and electrochemistry are reviewed.

Therefore, use of modified GAC materials, similar to Cu/GAC, as carrier materials for biological activated carbon (BAC) treatment remains controversial, despite enhanced pollutant adsorption capacity.

The area of graphene-based coatings covered in this chapter includes antireflection and self-cleaning action, self-lubricating, and hard coatings for wear resistance, anticorrosion, fire-retardant, antibiofouling and pollutant adsorption, and antibacterial applications.

It is mainly used in soil improvement, water pollutant adsorption, carbon sequestration and emission reduction, and energy storage materials, etc.

Incorporating synthetic macrocycles with unique structures and distinct conformations into conjugated macrocycle polymers (CMPs) can endow the resulting materials with great potentials in gas uptake and pollutant adsorption.

This strategy could be extended to prepare other magnetic powdered adsorbents for organic pollutant adsorption and degradation.

To enhance the pollutant adsorption performance, Fe-MOF materials were subjected to post-synthetic treatment.

However, the apparent antibiotic removal mechanism was found to be pollutant adsorption instead of degradation, which was ascribed to the high affinity of the hydrochloric acid-treated carrier for the studied pollutant.

The results of the FTIR analysis explained that the Al–OH and Fe–O functional groups have high participation in pollutant adsorption.

The presence of these TiO2 shells not only causes high organic pollutant adsorption properties but also accelerates the photocatalytic activity along with the rich hydroxyl groups and oxygen vacancies present on the shell surface.

In our ‘bottom-up’ approach, we emphasise the key design features of each gel material accounting for its target pollutant adsorption characteristics and material properties, together with the most important practical considerations necessary for real-life usage.

While magnetic Fe-, Ni- and Co-doped mesoporous carbons are mainly used for recalcitrant pollutant adsorption, Pd, Pt, Ru, Ti-containing naoparticles supported on mesoporous carbons are applied as ORR catalysts in MFCs, catalysis for cellulose degradation, bromate and tetrabromobisphenol A removal and photocatalysis.

While nanoGO deposition reduced mesoporosity of the nanocrystalline titania walls, their surface functionality was greatly improved by the abundant oxygen groups of the GO nanosheets leading to increased pollutant adsorption.

Layered double hydroxides (LDHs) are a typical class of anionic clay minerals whose structural memory effect has been widely used in pollutant adsorption.

The process of pollutant adsorption from industrial wastewaters is a multivariate problem.

Lignin derived activated carbons have been utilized for air pollutant adsorption (e.

Herein, a broad-spectrum photocatalyst with pollutant adsorption-enrichment capability to enable natural sunlight-driven photocatalysis was synthesized by decorating a small amount of silver orthophosphate (Ag3PO4) nanodots on mesoporous silica (mSiO2)-functionalized upconversion nanoparticles (UCNPs; NaYF4:Yb,[email protected]).

The pyrolysis-induced gases play a critical role in the construction of unique 0D metal oxide/2D g-C3N4/g-C3N4 (metal oxide/CN-UT) hierarchical architectures, which possess improved light harvesting and pollutant adsorption capacity, as well as enhanced separation of photoinduced charge carriers via the three-level electron?hole transfer process owing to the intimate contact between constituents and band alignment among them.

Considering the efficiency of the newly synthesized nanocomposites in metronidazole absorption, the highest percentage of the pollutant adsorption was observed at pH = 7, contact time = 180 min, nanocomposite dose = 0.

The pollutant adsorption capacity of the NENU, NENU/0.

Furthermore, the specific surface area of NYF-Bi-rGO was 20-fold larger than that of NYF, which is a quality that could prove highly advantageous for use in pollutant adsorption.

Collectively, the results indicate that the as-prepared [email protected] is promising for anionic pollutant adsorption and the removal of OPPs, and our mechanistic results are of guiding significance in environmental cleanup.

The unique structure and chemical property of nanocomposites help in water purification through pollutant adsorption, photoinhibition, nanocatalystic properties, transformation in less toxic materials and pathogen inactivation.

Such polymer nanofibers have been applied in biotechnological and medical applications, sensors, catalysts and pollutant adsorption platforms.

Nanomaterial Surface Modifications for Enhancement of the Pollutant Adsorption From Wastewater: Adsorption of Nanomaterials.

The production and activation of biochar as well as its potential use for soil remediation, pollutant adsorption, and biorefinery have been reviewed extensively over recent decades.

Hexagonal boron nitride (h-BN) is widely used in the fields of pollutant adsorption and aerospace due to its low density, good electrical insulation, and excellent thermal conductivity.

The main goal is that of demonstrating a method able to monitor in real time the status of such a filter during its operating phases: pollutant adsorption, saturation, and regeneration.

Two nitrifying MBBR reactors were operated in parallel, one with PAC dosing and one without, to determine the effects of PAC dosing on nitrification and micropollutant adsorption in municipal wastewater.

Science2005, 310, 1166–1170), COFs have shown great potential and research value in many fields, for instance, gas storage and separation, photoelectric function, fluorescence sensor, catalysis, drug delivery, dye and pollutant adsorption, electronic devices and so on.

The hydrochar that produced by the temperature of 225 °C for 8 h selected as the best properties based on the determination of iodine, some gaseous pollutant adsorption, and surface area of materials.

A novel model for the kinetics of pollutant adsorption from wastewaters onto zeolites based on the following: zeolite pores have cylindrical shape with average radius r0, pores in zeolite are filled simultaneously by the model ‘layer by layer’, the rate of phenol adsorption is higher than the rate of the growth of the thickness of the adsorption layer was suggested.

The future design of advanced adsorbents, however, has to exploit both the conductivity and electroactivity in the control of pollutant adsorption or degradation.

Supporting a photocatalyst, such as titania nanoparticles (TiO2 NPs), is a good strategy to improve its performance since it can facilitate the photocatalyst recovery from the aqueous media and provides a high surface area for pollutant adsorption.

A novel class of an all-in-one microporous adsorbent that simultaneously has excellent environmental chemosensory responsivity, visual detectivity, superfast micropollutant adsorption, as well as easy regeneration is reported herein.

The results have potential use for easy design of sorbent materials for drug loading or pollutant adsorption applications.

We explored properties of each side of the black fungus from three aspects: water contact angle measurements, liquid selective absorption capacity and air pollutant adsorption abilities.

The pollutant adsorption follows the pseudo-2nd -order kinetic reaction patterns and the Freundlich isotherm model.

Adsorption isotherm studies indicated that both Langmuir and Freundlich isotherms were able to explain micropollutant adsorption by CMCAB.

The pollutant adsorption test indicated that chitosan grafting with ethylenediamine is superior to Methyl acrylate grafting agent.

5 also accelerated the separation of the photogenerated electron-hole pairs by creating abundant oxygen vacancies and surface defects for electron trapping and pollutant adsorption.

The independent triple-network structure increases the three-dimensional space, so there are more pores and pollutant adsorption sites to achieve the high-efficient removal of ciprofloxacin.

Moreover, the high chemical modifiability and adjustable porosity of dried CC papers allow them to be used as advanced membranes for environmental science (water and air purification, pollutant adsorption) and life science (virus isolation, protein recovery, hemodialysis, DNA extraction, bioactive substrates).

These findings shed light on the influence of acidity on the mineralization and heavy metal pollutant adsorption performance of goethite and also provide a method for the preparation of goethite with high heavy metal ion immobilization performance.

The mechanisms of this pollutant adsorption on top of BNNT are examined and the conversion of low-risk products such as 3,4-dichlorophenol (intermediate) to 1-chloropropen and 1-chloropropen-3-ol has been calculated.

pollutant adsorption and improve their photocatalytic activity.