Separation Science and Technology · 2019 · 81 citations · 51 references
EngineeringChemical EngineeringEnvironmental EngineeringEnvironmental RemediationWaste ManagementWater TreatmentAdsorption ProcessesAdsorptive SeparationsOrganic Contaminant RemediationPlastic Waste ManagementPlastics RecoveryWaste TreatmentAdsorbent CapacityAdsorbent CharacterizationAdsorption CapacityAdsorption IsothermsAdsorption KineticsIsotherm ModelingLangmuir Adsorption ModelPhysical Adsorption
The study aims to use waste plastic PET bottles to recover terephthalic acid for preparing copper-1,4-benzenedicarboxylate, which was then utilized as an adsorbent for removal of methylene blue (MB) from aqueous solutions after carefully characterizing by XRD, FTIR, TGA, SEM, and EDX. The optimum conditions were established as pH = 6, 25°C, adsorbent dose of 1 g L−1, contact time of 20 min, and agitation speed of 150 rpm. The adsorption process was spontaneous, exothermic, fitting well to Langmuir isotherm model with the maximum adsorption capacity of 41.01 mg g−1 and more suitable to be described by the pseudo first-order kinetic model. It was indicated that the physical adsorption plays a leading role in the adsorption process. The recycling study was also conducted to confirm the long-term use of the synthesized adsorbent.
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Emerging Multifunctional Metal–Organic Framework Materials
Bin Li, Hui‐Min Wen, Yuanjing Cui et al. · Advanced Materials · 2016 · 1.6K citations
Adsorption behavior of methylene blue on carbon nanotubes
Yunjin Yao, Xu Feifei, Ming Chen et al. · Bioresource Technology · 2010 · 795 citations
Natural Sciences, Chemical Engineering, Materials Science +16