Synthesis, modification and use of lignified bamboo isolate for the renovation of crystal violet dye effluent
作者： C. O. Aniagor , M. C. Menkiti
DOI: 10.1007/S13201-019-0962-4
关键词: Crystal violet 、 Freundlich equation 、 Materials science 、 Fourier transform infrared spectroscopy 、 Langmuir 、 Endothermic process 、 Adsorption 、 Bamboo 、 Nuclear chemistry 、 Effluent
摘要: Bamboo-based lignin (LBM) was synthesized from a simulated effluent of modified textile manufacturing process for bamboo fabrics. The efficacy LBM with Al3+ (Al-LBM) and Mn2+ (Mn-LBM) the remediation crystal violet dye polluted wastewater evaluated. Instrumental characterization adsorbents via Fourier transform infrared spectroscopy scanning electron microscopy conducted. Probable mechanisms were postulated. Langmuir, Sip Freundlich isotherms best fit model LBM, Al-LBM Mn-LBM, respectively. Among interactively competing (confirmed by k-value intra-particle diffusion model), pseudofirst-order kinetic predominated. Optimum temperature contact time 343 K 30 min, adsorption (based on average data) spontaneous (∆G = − 1198.69 kJ mol−1), endothermic (ΔH = + 86.85 kJ mol−1) efficient (+ 98.11%).
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