Statistical Optimization and Evaluation of the Adsorptive Efficiency of Base Modified Saccharum munja Biomass for Safranine O and Crystal Violet Dyes in Single and Binary Systems

IF 1.4 4区化学 Q4 CHEMISTRY, PHYSICAL

Colloid Journal Pub Date : 2025-04-09 DOI:10.1134/S1061933X24601124

Anisha Grewal, Aniket Singh, Nishita Sharma, Partiksha Panghal, Sonika Singh, Surender Kumar

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引用次数: 0

Abstract

In this study, we have utilized the base treated Saccharum munja for the removal of Safranine O (SO) and Crystal Violet (CV) dyes from water. The as-synthesized composite was characterized by using various techniques to study the morphological and functional features. Response surface methodology was used to optimize the effect of various parameters such as pH, dosage, and concentration on the adsorption process. Moreover, the kinetics and isotherm of the adsorption process were evaluated using various models. The best-fitted kinetic model was the pseudo-second-order model for both the dyes. The Freundlich isotherm model was found to be the most appropriate for SO and CV dyes suggesting the multilayer adsorption. Further, the adsorption process was favorable as the value of 1/n falls between 0–1. The Langmuir maximum adsorption capacity (q_max) for SO and CV dyes was found to be 121.80 and 143.67 mg/g, respectively. The regeneration study was performed to check out the reusable capability of the composite and it showed a good regeneration stability upto five adsorption-desorption cycles. In conclusion, Saccharum munja can effectively reduce environmental pollution and offer a sustainable solution for dye removal.

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碱基改性甘蔗生物质对红花O和结晶紫染料在单体系和双体系中吸附效率的统计优化与评价

在本研究中，我们利用碱处理过的糖对水中的红花素O （SO）和结晶紫（CV）染料进行了脱除。利用各种技术对合成的复合材料进行了形态和功能表征。采用响应面法优化了pH、投加量、浓度等参数对吸附过程的影响。此外，用不同的模型对吸附过程的动力学和等温线进行了评价。拟合的动力学模型为两种染料的拟二阶模型。Freundlich等温线模型最适合于SO和CV染料，表明其具有多层吸附作用。当1/n值在0 ~ 1之间时，吸附过程较为有利。对SO和CV染料的最大吸附量（qmax）分别为121.80和143.67 mg/g。对该复合材料进行了再生研究，验证了其可重复使用的能力，结果表明，该复合材料在5次吸附-脱附循环中具有良好的再生稳定性。综上所述，糖蜜可以有效地减少环境污染，为染料去除提供可持续的解决方案。

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来源期刊

Colloid Journal 化学-物理化学

CiteScore

2.20

自引率

18.20%

发文量

审稿时长

6-12 weeks

期刊介绍： Colloid Journal (Kolloidnyi Zhurnal) is the only journal in Russia that publishes the results of research in the area of chemical science dealing with the disperse state of matter and surface phenomena in disperse systems. The journal covers experimental and theoretical works on a great variety of colloid and surface phenomena: the structure and properties of interfaces; adsorption phenomena and structure of adsorption layers of surfactants; capillary phenomena; wetting films; wetting and spreading; and detergency. The formation of colloid systems, their molecular-kinetic and optical properties, surface forces, interaction of colloidal particles, stabilization, and criteria of stability loss of different disperse systems (lyosols and aerosols, suspensions, emulsions, foams, and micellar systems) are also topics of the journal. Colloid Journal also includes the phenomena of electro- and diffusiophoresis, electro- and thermoosmosis, and capillary and reverse osmosis, i.e., phenomena dealing with the existence of diffusion layers of molecules and ions in the vicinity of the interface.