.../approach The chitosan-based beads were prepared using the sol–gel method and then characterised for surface morphology, elemental analysis, chemical functionality and crystalline and thermal properties using advanced analytical techniques. The metal ions’ adsorption capacity of the sorbent beads...

...Xingyu Gao; Yi Liu; Rongjun Qu; Yongfeng Liu Purpose The effective removal of harmful dyes from wastewater with green methods is still one of global challenges, and it has attracted great interest. The design and preparation of adsorbent is the core of an adsorption system. From the viewpoint...

... the adsorption process. Design/methodology/approach Various experimental parameters including sample pH, contact time, As concentration and adsorbent dosage are optimized to enhance the As removal process. Findings Under optimized conditions, the initial As concentration, contact time, pH and adsorbent...

... was used. The obtained adsorbent is designated as cross-linked esterified starch nanoparticles (CESNPs). Design/methodology/approach The batch technique was used to determine the CESNPs adsorption capacity, whereas atomic adsorption spectrometry was used to determine the residual cadmium ions...

... Synthetic drugs Adsorption Corrosion inhibition Metal protection Metal corrosion is a serious problem in many sectors, resulting in substantial losses of materials and their usefulness. Traditional corrosion control techniques, such as the use of hazardous chemicals, cause serious environmental...

... on theory (Fukui indices, condensed density functional theory and molecular dynamic simulation) and experiments (electrochemical, gravimetry and surface morphology examinations). Findings Theoretical evaluations permitted the description of the adsorption characteristics, and molecular interactions...

... wastewater effluent after chemical modification with hydroxyl amine via oximation reaction as a calorimetric sensor. Design/methodology/approach The calorimetric sensor batch technique was used to determine the resin's adsorption capacity, while atomic adsorption spectrometry was used to determine...

... by using HCl (0.1 N) and NaOH solution (0.1 M). Scheme 1 Structure and properties of RY 145 dye Adsorption Guar gum biopolymer MnO₂ NCs RY 145 Photocatalyst Wastewater from various industries is a serious problem worldwide because it contains organic...

...O.A. Elhefnawy; A.A. Elabd Purpose The purpose of this study is to prepare Polystyrene grafted with Zeolite Y (Zeosty) for Uranyl ion [U(VI)] adsorption from aqueous solution. The adsorption mechanism has been explained by studying kinetic, isothermal and thermodynamic models. Design...

... In this review, different ZnO-based nanocomposites were reviewed for their application in the removal of Pb²⁺ ions from the aqueous solution, typically for wastewater treatment using methodology, such as adsorption. This review focused on the ZnO-based nanocomposites for removing Pb²⁺ ions...

... Analysis (TGA), Fourier Transform Infrared (FTIR) Spectrometer and pore structure. The dispersed degree of APT-COOH in the MOF materials was validated according to adsorption efficiency for Congo red. Findings Due to introduction of APT-COOH, the microenvironment of the MOF materials changed, leading...

...Anthony Ikechukwu Obike; Wilfred Emori; Hitler Louis; Godwin Ifeanyi Ogbuehi; Paul Chukwuleke Okonkwo; Victoria Mfon Bassey Purpose The purpose of this paper is to study the adsorption properties of a proven traditional medicine of West Africa origin, Alstonia boonei with an attempt to evaluate...

... hybridizing with poly(p-phenylene terephthalamide) (PPTA) by means of a facile refluxing method and to systematically investigate adsorption performance for anionic dye Congo red as target molecule from aqueous solution. Design/methodology/approach The MOF materials hybridized by PPTA were fabricated...

...) and CR dye concentration (100–500 mgL⁻¹) on CR adsorption was studied in batch mode and evaluated by kinetic and isotherm models in a single system. In the binary system, the CR removal was studied from a CR + MB and CR + CV mixture with different percentages of dyes, ranging from 0% to 100...

... commonly used in the textile dyeing industry. Adsorption capacities of the orange-derived and lemon-derived adsorbents on the dyes are studied simulating a batch and continuous industrial processes. Findings Results demonstrate that treated orange mesocarp (orange-derived adsorbent) can adsorb up to 97...

...Ibrahim A. Amar; Jawaher O. Asser; Amina S. Mady; Mabroukah S. Abdulqadir; Fatima A. Altohami; Abubaker A. Sharif; Ihssin A. Abdalsamed Purpose The main purpose of this paper is to investigate the adsorption properties of CoFe_1.9Mo_0.1O₄ magnetic nanoparticles (CFMo...

...Jun Zhang; Meng Wang; Pu Liu; Xiaoyan Zhang; Ting Huo; Zhengcan Chen; Chunli Liu; Boyuan Zhang; Shengyuan Zhao; Zhenbin Chen Purpose In this study, a novel glutathione (GSH) surface molecular imprinting polymer (SMIP) was successfully prepared by using macroporous adsorption resins (MAR...

...Onur Al; Recep Boncukcuoğlu; Sinan Güneysu Purpose Cationic resin is widely used in decolouring of textile wastewaters. Tonnes of resin are used in sector, and disposal of resin is being a second waste problem. The purpose of this paper is to investigate the adsorption behaviour of the methylene...

...), contact time (1-180 min), adsorbent dosage (100-2000 mg L⁻¹) and initial diazinon concentration (0.5–20 mg L⁻¹) on the removal processes were studied. Finally, isotherm and kinetic and of adsorption process of diazinon onto Fe₃O₄@SiO₂ nanocomposites...

... solution obtained after solvent extraction. The inhibition efficiency of LH extract was evaluated and mechanism of adsorption was deduced. Findings LH extract showed significant corrosion inhibition on mild steel in both acidic media, with inhibition efficiency increasing with extract concentration...