Phosphate and nitrate are commonly used industrial and agricultural nutrients that are of great anxiety because of their ubiquitous existence in water and wastewater sources and association with harmful health effects. Herein, we aimed to fabricate a novel and environmental-friendly chitosan encapsulated magnetic kaolin beads for the first time and applied for the adsorption of phosphate and nitrate ions from water. The physico-chemical properties of MK-chitosan beads were established by XRD, FTIR, and TGA-DSC techniques. Surface area (BET) analysis shows that MK-chitosan beads have a specific surface area of 2.12 m²/g. Surface morphology and elemental studies (SEM and EDAX) revealed the porous nature of MK-chitosan beads. The synthesized bead material employed as selective and effective adsorbent material for the remediation of phosphate and nitrate from water/ wastewater. The impact of external adsorption influencing effects likes, adsorbent dose, contact time, co-anions, pH of the solution, and temperature experiments have been performed. Adsorption isotherm and kinetic experiments have been studied and the data have been well tailored by the Freundlich isotherm and pseudo-second-order kinetic models. Thermodynamic parametric studies revealed endothermic and spontaneous nature of the overall sorption system. Besides, MK-chitosan beads were found to regeneration performance up to eight consecutive cycles. Furthermore, the adsorbent-adsorbate system implying that MK-chitosan beads could be a promising candidate for the removal of phosphate and nitrate ions from aqueous solutions.

磷酸盐和硝酸盐是普遍使用的工业和农业营养物质，由于它们普遍存在于水和废水中，并且与有害的健康影响有关，因此非常令人担忧。在此，我们的目标是首次制造一种新型且环保的壳聚糖包封的磁性高岭土磁珠，并用于从水中吸附磷酸根和硝酸根离子。通过XRD，FTIR和TGA-DSC技术确定了MK-壳聚糖珠的理化性质。表面积（BET）分析表明，MK-壳聚糖微珠的比表面积为2.12 m ²/G。表面形态和元素研究（SEM和EDAX）揭示了MK-壳聚糖珠的多孔性。合成的珠粒材料用作选择性和有效的吸附剂材料，用于从水/废水中修复磷酸盐和硝酸盐。已经进行了外部吸附影响效果的影响，例如吸附剂剂量，接触时间，共阴离子，溶液的pH值和温度实验。已经研究了吸附等温线和动力学实验，并通过Freundlich等温线和伪二级动力学模型很好地定制了数据。热力学参数研究揭示了整个吸附系统的吸热和自发性质。此外，发现MK-壳聚糖珠具有高达八个连续循环的再生性能。此外，