首页> 外文期刊>Journal of Polymers and the Environment >Tuning of Fly Ash Loading into Chitosan-Ethylene Glycol Diglycidyl Ether Composite for Enhanced Removal of Reactive Red 120 Dye: Optimization Using the Box-Behnken Design
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Tuning of Fly Ash Loading into Chitosan-Ethylene Glycol Diglycidyl Ether Composite for Enhanced Removal of Reactive Red 120 Dye: Optimization Using the Box-Behnken Design

机译:粉煤灰加入壳聚糖 - 乙二醇二缩水甘油醚复合材料的调整以增强去除反应性红色120染料:使用Box-Behnken设计优化

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摘要

Crosslinked chitosan-ethylene glycol diglycidyl ether (CTS-EGDE) was modified by loading fly ash (FA) particles into its polymeric matrix to improve the adsorptive removal of reactive red 120 (RR120) dye. The Box-Behnken design was used to assist in the tuning of optimum synthesis and adsorption conditions, such as the loading ratio of FA particles (A: 0-50%), adsorbent dose (B: 0.02-0.08 g), solution pH (C: 4-10), temperature (D: 30 degrees C-60 degrees C), and time (E: 20-60 min). The highest removal rate (98.8%) of 50 mg/L RR120 dye was achieved under the following conditions: FA loading, 25% (CTS-EGDE/FA-25); adsorbent dose, 0.05 g; solution pH, 4; temperature, 60 degrees C; and time, 40 min. The maximum adsorption capacity of CTS-EGDE/FA-25 for RR120 was 220 mg/g at 60 degrees C. This work provides insights into the optimization of the synthesis of composite materials, which can potentially be applied in wastewater treatment.
机译:通过将粉煤灰(Fa)颗粒加入其聚合物基质以改善反应性红色120(RR120)染料的吸附去除,通过将交联的壳聚糖 - 乙二醇二缩水甘油醚(CTS-EGDE)进行改性。 Box-Behnken设计用于协助调整最佳合成和吸附条件,例如Fa颗粒的负载比(A:0-50%),吸附剂剂量(B:0.02-0.08g),溶液pH( C:4-10),温度(D:30℃-60℃),时间(E:20-60分钟)。在下列条件下实现了50mg / L rR120染料的最高去除率(98.8%):FA载荷,25%(CTS-EGDE / FA-25);吸附剂量,0.05g;溶液pH值4;温度60℃;和时间,40分钟。 RR120的CTS-EGDE / FA-25的最大吸附容量在60摄氏度下为220mg / g。该工作提供了对复合材料合成的优化的见解,这可能潜在地应用于废水处理中。

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