Preparation and Adsorption Performance of Boron Adsorbents Derived from Modified Waste Feathers
Dongxing Li, Hui Jiang, Zhengwei Luo, Wenhua Geng, Jianliang Zhu
TL;DR
This study creates a new boron adsorbent from waste feathers, showing it works well and can be reused.
Contribution
A novel boron adsorbent is developed from modified waste feathers with improved adsorption performance and reusability.
Findings
The adsorbent follows a pseudo-second-order kinetic model for boron adsorption.
Adsorption is endothermic and more efficient at higher temperatures and neutral/acidic pH.
The adsorbent remains stable and effective after four reuse cycles.
Abstract
This research focuses on modifying discarded feathers by grafting glycidyl methacrylate (GMA) onto their surface through thiolation, followed by an epoxy ring-opening reaction with N-methyl-D-glucamine (NMDG) to synthesize feather-based boron adsorbents. Optimization of the adsorbent preparation conditions was achieved through single-factor experiments, varying temperature, time, GMA concentration, and initiator dosage. The synthesized adsorbent (F-g-GMA-NMDG) underwent characterization using Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), and X-ray diffraction (XRD). The adsorption behavior of the adsorbent was studied, and its boron adsorption capacity at different temperatures was determined through static adsorption kinetic curves. Analysis of adsorption isotherms, kinetics, and thermodynamics was conducted.…
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Taxonomy
TopicsPlant Micronutrient Interactions and Effects · Boron and Carbon Nanomaterials Research · Plant Growth Enhancement Techniques