Adsorption in the context of water purification

Ray, Suprakas Sinha; Gusain, Rashi; Kumar, Neeraj

doi:10.1016/b978-0-12-821959-1.00004-0

Cited by 20 publications

(10 citation statements)

References 164 publications

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“…The cation exchange contains positively charged ions and replaces cations; anion exchange owns negatively charged ions and replaces anions; and reversible exchange of ions consists of the exchange of a charge ion for a similarly charged ion attached to MOF composites. 81,83,[189][190][191][192][193][194] As an example, Faghihian and Naeimi used a HKUST/potassium nickel hexacyanoferrate composite (HKUST/KNiFC) and a magnetic HKUST/potassium nickel hexacyanoferrate composite system (HKUST/Fe 3 O 4 /KNiFC) to adsorb Sr(II) from aqueous solutions. Due to the ion-exchange ability of this chemical, the incorporation of KNiFC into the MOF structure considerably enhanced its adsorption capacity, while magnetisation aided the separation of the utilised adsorbent from the solution.…”

Section: Mechanisms Of Metal Ions Removal From Water Using Mof-based ...mentioning

confidence: 99%

Removal of metals from water using MOF-based composite adsorbents

Zadehahmadi

Eden

Mahdavi

et al. 2023

Environ. Sci.: Water Res. Technol.

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Section: Mechanisms Of Metal Ions Removal From Water Using Mof-based ...mentioning

confidence: 99%

Removal of metals from water using MOF-based composite adsorbents

Zadehahmadi

Eden

Mahdavi

et al. 2023

Environ. Sci.: Water Res. Technol.

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“…Adsorption models such as the Henry, Redlich Peterson, Langmuir, Freundlich, Dubinin Radushkevich, Temkin, Koble Corrigan, Halsey, and Jovanovic isotherms have been developed to match exploratory data and predict the component of adsorption (monolayer/multi-facets or homogeneous/heterogeneous) [60]. Adsorption measurements are classified into three types: compound adsorption, real adsorption, and particle trading.…”

Section: Adsorption Isothermsmentioning

confidence: 99%

Adsorption of Dyes from Wastewater: A Comprehensive Review

Agarwala

Lavanya

2023

ChemBioEng Reviews

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Because of their ubiquitous industrial usage, dyes are significant water pollutants. Adsorption is an effective method for eliminating colors from tainted water. In the twenty‐first century, industrialization is growing at a dizzying rate. During this stage, more noble colors and dyes are used. These hues contribute to a wide range of contaminants, including water, soil, and air pollution. The objective of this report is just to discuss the chemical and bio‐based adsorbents used to remove various types of industrial dyes. Several adsorption isotherm assumptions and mathematical formulations were investigated. The effect of a variety of factors on adsorption phenomena is addressed.

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“…The advantages of xerogels are thermal stability, large surface area, and porosity. Xerogels are biocompatible and nontoxic and can be easily modified [ 2 ]. Silica xerogels are the most popular xerogels and can be used as fillers for polymer composites.…”

Section: Introductionmentioning

confidence: 99%

Metallic Strontium as a Precursor of the Al2O3/SrCO3 Xerogels Obtained by the One-Pot Sol–Gel Method

Romańczuk-Ruszuk

Sztorch

Oksiuta

et al. 2022

Gels

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Two series of binary xerogel systems of Sr/Al with molar ratios of 0.1, 0.25, 0.5, and 1.0 were synthesized by the sol–gel technique with metallic strontium component as a precursor. The influence of the metallic precursor on the properties of the final xerogel was determined. The properties of the gels were determined on the basis of X-ray powder diffraction (XRD), thermogravimetric analysis (TGA), low temperature nitrogen adsorption, transmission, and scanning electron microscopy with Energy Dispersive X-ray Spectroscopy (TEM, SEM, and SEM/EDS). The Al2O3/SrCO3 xerogels were tested as supports for platinum catalysts. Hydrogen chemisorption was used to determine the platinum dispersion of the Pt/Al2O3-SrCO3 systems. The original method of synthesis allows to obtain highly dispersed and stable strontium carbonate phases that allow for obtaining a high (42–50%) dispersion of platinum nanoparticles.

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Adsorption in the context of water purification

Cited by 20 publications

References 164 publications

Removal of metals from water using MOF-based composite adsorbents

Removal of metals from water using MOF-based composite adsorbents

Adsorption of Dyes from Wastewater: A Comprehensive Review

Metallic Strontium as a Precursor of the Al2O3/SrCO3 Xerogels Obtained by the One-Pot Sol–Gel Method

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