Spent coffee ground–calcium alginate biosorbent for adsorptive removal of methylene blue from aqueous solutions
Catalina V. Flores, Juan L. Obeso, Herlys Viltres, E. Torres-Garcı́a, Amin Reza Rajabzadeh, Seshasai Srinivasan, Ricardo A. Peralta, Ilich A. Ibarra, Carolina Leyva
Abstract
The use of the spent coffee grounds–alginate biocomposite, a low-cost adsorbent, removes methylene blue, an organic dye that persists in the environment and is harmful to the ecosystems.
Topics & Concepts
Methylene blueCalcium alginateBiocompositeAdsorptionAqueous solutionCoffee groundsChemistryNuclear chemistryPulp and paper industryWaste managementEnvironmental chemistryChemical engineeringCalciumMaterials scienceFood scienceOrganic chemistryComposite numberCatalysisComposite materialPhotocatalysisEngineeringAdsorption and biosorption for pollutant removalDye analysis and toxicity