使用生物吸收剂从其水溶液中吸附性去除三甲染料
Bharti Gaur1, Jyoti Mittal1, Lalita Meena2
1Department of Chemistry, Maulana Azad National Institute of Technology, Bhopal, India.
International journal of phytoremediation
|November 5, 2025
概括
羽,一种生物废物材料,有效地从水中去除有毒的水晶紫色染料. 这项研究强调了废物利用和通过生物吸收环境修复的双重优势.
科学领域:
- 环境化学环境化学
- 材料科学 材料科学 材料科学
- 生物技术是生物技术.
背景情况:
- 水晶紫色 (CV) 是一种常见于工业废水中的危险三甲染料.
- 从水溶液中去除有毒染料的有效和可持续方法对于环境保护至关重要.
- 利用生物废弃物材料进行整治提供了一种具有成本效益和环保的方法.
研究的目的:
- 为了研究羽 (HF) 作为生物吸收剂从水溶液中去除水晶紫 (CV) 的功效.
- 使用高频率探索吸附机制并优化CV生物吸附的参数.
- 评估CV-HF吸附系统的热力学和动力学方面.
主要方法:
- 系统地调查参数,包括接触时间,吸附剂剂量,染料度和溶液pH值.
- 应用和分析六个吸附异热模型 (弗朗德利希,兰格穆尔,特姆金,杜比宁-拉杜什克维奇,哈尔西,乔瓦诺维奇).
- 使用朗格穆尔等热量数据确定热力学变量,使用伪二次动力学进行动力学建模.
主要成果:
- 的羽毛证明了作为一个生物吸收剂的显著潜力,用于清除水晶紫外线.
- 吸附被发现是自发的和外热的,具有负的ΔH°和ΔG°值.
- 伪二次运动模型准确地描述了在测试温度的吸附过程,表明强烈的亲和力.
结论:
- 羽是一种有效且经济的生物吸收剂,用于从废水中去除水晶紫色染料.
- 生物吸收过程是自发的,外热的,并遵循伪二阶动力学,这表明物理吸收是主要的机制.
- 这项研究提出了生物废物在环境整治方面的新应用,为废物管理和污染控制提供了双重优势.
相关概念视频
Prevention of Further Absorption of Poison
1.4K
In cases of acute poisoning, the primary objective is to prevent further absorption of the toxic substance into the body. Immediate interventions using various decontamination techniques targeting the gastrointestinal (GI) tract can achieve this. Decontamination is crucial to prevent poison from entering the systemic circulation, which involves washing affected areas with water and mild soap and removing contaminated clothing. Once external decontamination is done, attention must be turned to...
1.4K
Enhanced Elimination of Poison
1.1K
Poison can be effectively removed from the gastrointestinal (GI) tract through various decontamination procedures.
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...
1.1K
Methods for Studying Drug Absorption: In situ
887
In situ experiments, such as the Doluisio method and Single-Pass Perfusion technique, provide critical insights into drug uptake by simulating in vivo conditions for drug absorption.
The Doluisio method involves perfusing a prepared segment of a rat's small intestine with a solution of radiolabeled drug and a non-absorbable marker. This helps to differentiate between absorbed and non-absorbed drug concentrations. The intestinal segment is connected at both ends using tubing and syringes,...
The Doluisio method involves perfusing a prepared segment of a rat's small intestine with a solution of radiolabeled drug and a non-absorbable marker. This helps to differentiate between absorbed and non-absorbed drug concentrations. The intestinal segment is connected at both ends using tubing and syringes,...
887
Drug Excretion: Miscellaneous Routes
514
Drug excretion involves various organs, including the liver, intestines, skin, and eyes. In the case of drugs or toxins, they can be actively secreted into bile by transporters in the hepatocyte's canalicular membrane. These substances enter the GI tract during digestion and may be reabsorbed into the body from the intestine. This process, known as enterohepatic recycling, can significantly prolong the presence and effects of a substance in the body. To interrupt this cycle, specific...
514
Extracorporeal Removal of Drugs: Hemoperfusion and Hemofiltration
377
Hemoperfusion and hemofiltration are critical techniques in medical treatments to eliminate accumulated drugs, metabolites, and electrolytes from the bloodstream. These methods are particularly vital in cases of accidental poisoning and drug overdose.Hemoperfusion involves passing blood through an adsorbent material to remove unwanted substances. The main adsorbents used in hemoperfusion include activated charcoal and Amberlite resins. Activated charcoal can adsorb both polar and nonpolar...
377
Microbial Bioremediation of Uranium
103
Microorganisms play a critical role in the transformation and immobilization of uranium in contaminated environments through four main pathways: bioreduction, biosorption, bioaccumulation, and biomineralization. These mechanisms reduce uranium’s toxicity and prevent its migration through groundwater systems, offering sustainable approaches for in situ bioremediation.Bioreduction of UraniumBioreduction is driven by anaerobic bacteria such as certain strains of Geobacter and Shewanella,...
103


