Chemical Engineering: Recent submissions
Now showing items 721-740 of 1182
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Chitosan-derived hydrothermally carbonized materials and its applications: A review of recent literature
( Elsevier B.V. , 2021 , Article Review)Chitosan (CS) is a linear polysaccharide biopolymer, one of the most abundant biowastes in the environment. This makes chitosan a potential material for a wide range of applications. To improve CS's properties, chitosan ... -
Comparative Investigation of the Physicochemical Properties of Chars Produced by Hydrothermal Carbonization, Pyrolysis, and Microwave-Induced Pyrolysis of Food Waste
( MDPI , 2022 , Article)This work presents a comparative study of the physicochemical properties of chars derived by three thermochemical pathways, namely: hydrothermal carbonization, HTC (at 180, 200 and 220 °C), pyrolysis, PY, (at 500, 600 and ... -
Fenton oxidation for soil remediation: A critical review of observations in historically contaminated soils
( Elsevier B.V. , 2022 , Article Review)Fenton-based treatments have received tremendous attention in recent decades as viable strategies for soil decontamination. Historically contaminated soils are characterized by particular contamination types, pollution ... -
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 ... -
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 ... -
Encapsulated biochar-based sustained release fertilizer for precision agriculture: A review
( Elsevier Ltd , 2021 , Article Review)The excessive use of conventional fertilizers leads to environmental issues associated with the loss of nutrient through leaching, volatilization, denitrification and surface run-off. Biochar-based fertilizer has gained ... -
Lithium loaded coal fly ash as sustainable and effective catalyst for the synthesis of glycerol carbonate from glycerol
( Elsevier Ltd , 2021 , Article)Coal fly ash (CFA) has been employed as a catalytic support for lithium ions by impregnation. The basicity, basic strength, and stability of the resultant catalyst were further tuned by varying active species concentration ... -
Electrofuels as emerging new green alternative fuel: A review of recent literature
( Elsevier Ltd , 2022 , Article Review)The transportation sector is a major contributor in global emissions of greenhouse gases (GHG). Vital measures should be taken in order to reduce the GHG, among these measures is using electrofuels. Electrofuels are produced ... -
Valorization of biodiesel byproduct glycerol to glycerol carbonate using highly reusable apatite-like catalyst derived from waste Gastropoda Mollusca
( Springer Science and Business Media Deutschland GmbH , 2020 , Article)Predominantly, calcium oxide from the calcined waste Gastropoda Mollusca (Achatina fulica sp.) was post-functionalized and stabilized using trisodium phosphate to obtain an apatite-like catalyst (snail shell apatite, SNS-AP) ... -
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, ... -
Deoxygenation of pyrolysis vapour derived from durian shell using catalysts prepared from industrial wastes rich in Ca, Fe, Si and Al
( Elsevier B.V. , 2020 , Article)Catalysts prepared from industrial wastes rich in Fe, Ca, Si, and Al were used in catalytic upgrading of pyrolysis vapour derived from durian shell and their effect on product yield and properties were compared. With same ... -
Co-pyrolysis of sugarcane bagasse and waste high-density polyethylene: Synergistic effect and product distributions
( Elsevier Ltd , 2020 , Article)Co-pyrolysis of sugarcane bagasse (SCB) with waste high-density polyethylene (HDPE) was performed in a fixed-bed reactor under different temperatures (400–700 °C) and blending ratios (0–100%). Product yields and chemical ... -
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 ... -
Insight into the co-pyrolysis of different blended feedstocks to biochar for the adsorption of organic and inorganic pollutants: A review
( Elsevier Ltd , 2020 , Article Review)Co-pyrolysis of blended feedstocks has received increasing attention due to its significant role in avoiding the weakness of products made from normal pyrolysis of individual feedstocks. Many studies have shown that ... -
Fe-natural zeolite as highly active heterogeneous catalyst in decolorization of reactive blue 4
( International Journal of Environmental Science and Development , 2020 , Article)Heterogeneous Fenton-like reaction using Fe-natural zeolite (Fe-NZ) was investigated for the decolorization of Reactive Blue 4(RB4). The effect of iron ions loading, H2O2 concentration and initial pH value were investigated. ... -
A Hybrid Photo-Electro Catalytic Conversion of Carbon dioxide Using CuO-MgO Nanocomposite
( Springer , 2022 , Article)Reducing carbon dioxide (CO2) into fuels accompanied by renewable resources has been under research since it helps to decrease CO2 levels in the atmosphere. The most suited source is solar energy which is generous and ... -
Breath Analysis for the in Vivo Detection of Diabetic Ketoacidosis
( American Chemical Society , 2022 , Article)Human breath analysis of volatile organic compounds has gained significant attention recently because of its rapid and noninvasive potential to detect various metabolic diseases. The detection of ketones in the breath and ... -
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 ... -
Mesoporous biohybrid epichlorohydrin crosslinked chitosan/carbon clay adsorbent for effective cationic and anionic dyes adsorption
( Elsevier B.V. , 2020 , Article)Epichlorohydrin crosslinked chitosan/carbon–clay (CSCC) biohybrid adsorbent was prepared for the adsorption of cationic methylene blue (MB) and anionic azo acid blue 29 (AB 29). The 40:60 wt% of chitosan (CS) and carbon–clay ... -
Solar light responsive TiO2-ZnO, modified with graphitic carbon nitride nano-sheet for degradation of AB29
( John Wiley and Sons Ltd , 2020 , Article)BACKGROUND Photodegradation has drawn much attention in recent decades due to the technique’s ability to mineralize nonbiodegradable pollutants. Renewable energy sources, such as solar light energy, can be used to aid the ...
