تصفح Chemical Engineering حسب الموضوع "Adsorption"
السجلات المعروضة 41 -- 60 من 62
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Mesoporous and high-surface-Area activated carbon from defatted olive cake by-products of olive mills for the adsorption kinetics and isotherm of methylene blue and acid blue 29
( Elsevier Ltd , 2020 , Article)The K2CO3 activation of defatted olive cake in N2 atmosphere was attempted for activated carbon (DOC-AC) preparation to test its ability for the adsorption of methylene blue (MB) and acid blue 29 (AB 29). The optimum conditions ... -
Microwave Enhanced Synthesis of Sulfonated Chitosan-Montmorillonite for Effective Removal of Methylene Blue
( Springer , 2021 , Article)In this work, sulfonated chitosan montmorillonite composite (S-CS-MT) beads were synthesized using a microwave irradiation method designed to have a better saving-time procedure. The potency of S-CS-MT as an adsorbent was ... -
Microwave-Assisted Synthesis of Polyethyleneimine Grafted Chitosan Beads for the Adsorption of Acid Red 27
( Springer , 2020 , Article)In this study, chitosan-polyethyleneimine beads were synthesized via graft copolymerization under microwave irradiation for the adsorption of Acid Red 27 (AR27). The integration of polyethyleneimine affords grafting of ... -
A mini review of recent progress in the removal of emerging contaminants from pharmaceutical waste using various adsorbents
( Springer , 2022 , Article)The presence of emerging contaminants (ECs) originating from pharmaceutical waste in water, wastewater, and marine ecosystems at various geographical locations has been clearly publicised. This review paper presents an ... -
Nanofibers of resorcinol–formaldehyde for effective adsorption of As (III) ions from mimicked effluents
( Springer Verlag , 2018 , Article)In the present study, the core–shell structured RF/PVA nanofibers have been developed and used for the adsorption of As3+ ions from the mimicked liquid effluents. Efficient-facile fabrication of the structured nanofibers ... -
Natural and Low-Cost P. turgidum for Efficient Adsorption of Hg(II) Ions from Contaminated Solution: Isotherms and Kinetics Studies
( Springer , 2021 , Article)Mercury (II) ions (Hg(II)), a potent heavy metal water pollutant, was efficiently removed using a novel adsorbent prepared from Panicum turgidum roots by facile drying. The experimental conditions such as the solution pH, ... -
New magnetic Schiff's base-chitosan-glyoxal/fly ash/Fe3O4 biocomposite for the removal of anionic azo dye: An optimized process
( Elsevier B.V. , 2020 , Article)In this study, a new magnetic Schiff's base-chitosan-glyoxal/fly ash/Fe3O4 biocomposite (Chi-Gly/FA/Fe3O4) was successfully synthesized by direct compositing of magnetic chitosan (Chi) with fly ash (FA) powder particles, ... -
Polymeric adsorbents for oil removal from water
( Elsevier Ltd , 2019 , Article)In this study, the application of four synthetic resins for the removal of emulsified oil from produced water was investigated. Key experimental parameters such as adsorbent dosage, contact time, initial oil concentration ... -
Porous carbon-based material from fish scales for the adsorption of tetracycline antibiotics
( Springer Science and Business Media Deutschland GmbH , 2022 , Article)Turning fish wastes into value-added products is an economic and eco-friendly step for elimination of such waste. In the present work, porous carbon–based material form fish scale (FSC) was prepared by calcium chloride ... -
Recent advances on humic acid removal from wastewater using adsorption process
( Elsevier , 2023 , Article Review)Humic acid (HA) is a component of natural organic matter (NOM) with a high molecular weight and high complexity. The presence of humic acid in water raises serious concerns due to its toxicity and ability to form carcinogenic ... -
Recent advances on the treatment of oil fields produced water by adsorption and advanced oxidation processes
( Elsevier , 2022 , Article)The handling and treatment of produced water (PW) generated during oil and gas extraction has continued to be a serious dilemma due to its large quantities and complex composition with variety of pollutants. In this review ... -
Removal of copper ions from aqueous solution using NaOH-treated rice husk
( Springer Nature , 2020 , Article)The present study investigates the removal of copper ions (Cu (II)) from aqueous solution using chemically treated rice husk (TRH). The chemical treatment was carried out using NaOH solution and the effect of contact time ... -
Representation of Adsorption Data for the Isopropanol-Water System using Neural Network Techniques
( WILEY-VCH Verlag , 2005 , Article)Molecular sieves and palm stone, a newly developed bio-based adsorbent, were used to break an azeotropic isopropanol-water system via an adsorptive distillation process. Equilibrium data at different inlet water contents ... -
Review on recent progress in chitosan/chitin-carbonaceous material composites for the adsorption of water pollutants
( Elsevier Ltd , 2020 , Article Review)Chitosan and chitin are categorized as low cost, renewable and eco-friendly biopolymers. However, they have low mechanical properties and unfavorable pore properties in terms of low surface area and total pore volume that ... -
Review on sustainable production of biochar through hydrothermal liquefaction: Physico-chemical properties and applications
( Elsevier Ltd , 2020 , Other)This review examines in detail the production and characteristics of biochar resulting from hydrothermal liquefaction. Specifically, the impact of feedstocks and different process parameters on the properties and yield of ... -
Selective adsorption of carbon dioxide, methane and nitrogen using resorcinol-formaldehyde-xerogel activated carbon
( Springer New York LLC , 2017 , Article)Resorcinol–formaldehyde xerogel was prepared, carbonized and activated in specific conditions to form resorcinol–formaldehyde activated carbon xerogel (RF-ACX) that was to produce microporous nanoparticles. RF-ACX was used ... -
Single and multi-component adsorption of aromatic acids using an eco-friendly polyaniline-based biocomposite
( Elsevier B.V. , 2017 , Article)The polyaniline coated with an agricultural waste (Argan nut shell) was prepared via in-situ chemical polymerization and used as an adsorbent material for removal of trimellitic (Tri), hemimellitic (Hemi) and pyromellitic ... -
Steel slag promoted electrocoagulation process for the treatment of produced water
( Desalination Publications , 2020 , Article)Produced water is a by-product produced from the oil and gas industry. It poses a significant threat to the environment due to its high salinity and high pollutant concentration. In this paper, steel slag was used to enhance ... -
Synthesis of nanostructured novel ion-imprinted polymer for selective removal of Cu2+ and Sr2+ ions from reverse osmosis concentrated brine
( Elsevier , 2023 , Article)This study aims to prepare an ion-imprinted polymer (IIP) using copper sulfate as a template and potassium persulfate as an initiator to selectively adsorb copper ions (Cu2+) from aqueous solutions and in an attempt to ... -
The application of iron coated activated alumina, ferric oxihydroxide and granular activated carbon in removing humic substances from water and wastewater: Column studies
( Elsevier B.V. , 2010 , Article)The efficiency of iron coated activated alumina, ferric oxihydroxide and granular activated carbon for the removal of humic substance (HS) from water and wastewater was demonstrated in batch studies. This paper investigated ...