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The use of a new activated carbon developed from date palm seed wastes, generated in the jam industry, for removing toxic chromium from aqueous solution has been investigated. The activated carbon has been achieved from date palm seed by dehydrating methods using concentrated sulfuric acid. The batch experiments were conducted to determine the adsorption capacity of the biomass. The effect of initial metal concentration (25-125mgl(-1)), pH, contact time, and concentration of date palm seed carbon have been studied at room temperature. A strong dependence of the adsorption capacity on pH was observed, the capacity increase as pH value decrease and the optimum pH value is pH 1.0. Kinetics and adsorption equilibrium were studied at different sorbent doses. The adsorption process was fast and the equilibrium was reached within 180min. The maximum removal was 100% for 75mgl(-1) of Cr(+ concentration on 4gl(-1) carbon concentration and the maximum adsorption capacity was 120.48mgg(-1). The kinetic data were analyzed using various kinetic models - pseudo-first order equation, pseudo-second order equation, Elovich equation and intraparticle diffusion equation - and the equilibrium data were tested using several isotherm models, Langmuir, Freundlich, Koble-Corrigan, Redlich-Peterson, Tempkin, Dubinin-Radushkevich and Generalized isotherm equations. The Elovich equation and pseudo-second order equation provide the greatest accuracy for the kinetic data and Koble-Corrigan and Langmuir models the closest fit for the equilibrium data. Activation energy of sorption has also been evaluated as 0.115 and 0.229kJmol(-1).
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http://dx.doi.org/10.1016/j.jhazmat.2007.06.091 | DOI Listing |
Front Plant Sci
December 2024
National Key Laboratory for Tropical Crop Breeding, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication)/College of Tropical Agriculture and Forestry, Hainan University, Sanya, Hainan, China.
Introduction: () is a small transcription factor family known for its role in various developmental processes in plants, particularly in binding GA motifs and regulating flower and seed development. However, research on the functional characteristics and target genes of in coconut () is limited.
Methods: In this study, we systematically characterized the gene structure, conserved protein domains, gene expansion, and target genes of in the coconut genome.
Int J Mol Sci
December 2024
Department of Nutritional Science, Fu Jen Catholic University, New Taipei City 242062, Taiwan.
A plant-based diet is considered a promising approach for managing hyperuricemia (HUA). This study examined the effects of soy protein and plant-based oils on HUA-induced inflammation and immune dysfunction. Male Wistar rats, induced with HUA using oxonic acid and uric acid (UA), were fed casein or soy protein with palm or safflower oil (2 × 2 factorial design) for 8 weeks.
View Article and Find Full Text PDFFoods
November 2024
School of Chemical Engineering and Chemistry, Harbin Institute of Technology, Harbin 150001, China.
Areca nut ( L. AN), which is the dried, mature seed of the palm species L., is consumed by over 600 million individuals, predominantly in South Asia, East Africa, and certain regions of the tropical Pacific.
View Article and Find Full Text PDFJ Agric Food Chem
December 2024
Department of Biotechnology and Biomedicine, Technical University of Denmark, So̷ltofts Plads 221, 2800 Kgs Lyngby, Denmark.
The pulp of açaí palm fruits ( Mart.) is a valuable export commodity in Brazil. Its production generates 1.
View Article and Find Full Text PDFCompr Rev Food Sci Food Saf
January 2025
Department of Food Science and Nutrition, Faculty of Agriculture, Jerash University, Jerash, Jordan.
Foods that support human health and longevity are becoming increasingly relevant as substitutes for or adjuncts to pharmacological drugs, either through direct consumption or incorporation into designer foods fortified with health-promoting ingredients. Date palm (Phoenix dactylifera L.) fruits, seeds, and pollen are a cornerstone of diverse food and medicine traditions.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!