Treatment of synthetic textile sewage containing anthraquinone and azo based disperse dyes using bacterial consortium

IF 3.4 4区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

International Journal of Environmental Science and Technology Pub Date : 2025-07-29 DOI:10.1007/s13762-025-06649-1

A. Ansari, K. Hussain, A. Aman, T. Naveed, M. S. Haider

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引用次数: 0

Abstract

Untreated wastewater from industries containing synthetic dyes may raise several health and ecological concerns. The environmental legislature compels industries to treat effluents before final disposal and recycling. Therefore, there is a need to develop a competent bioremediation strategy to treat effluent released from industries. The aim of this research was to develop a bacterial consortium for the treatment of synthetic textile sewage containing toxic dyes. In this research, two bacteria namely Bacillus licheniformis KIBGE IB21 and Glutamicibacter uratoxydans KIBGE IB41 were used to develop bacterial consortium. Bacterial consortium C4 assisted in 88% and 76% decolorization of synthetic textile sewage 1 and 2, respectively at 35 °C after 18 h of incubation. Difference in retention time in high performance liquid chromatography showed dyes degradation in treated samples. Fourier transform infrared spectroscopy confirmed the degradation of dyes chromophore. Water quality analyses showed a decrease in total suspended solids and biological and chemical oxygen demand of treated samples. MTS assay showed 100% and 95% detoxification of sewage 1 and 2, respectively. The prepared bacterial consortium also exhibited profound results in real textile effluent. This bioremediation approach is a step to treat industrial effluents that may help in the recycling of wastewater.

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细菌联合体处理含蒽醌和偶氮分散染料的合成纺织污水

含有合成染料的工业产生的未经处理的废水可能引起若干健康和生态问题。环境立法机构要求工业企业在最终处置和回收之前对废水进行处理。因此，有必要制定一项有效的生物修复战略来处理工业排放的废水。本研究的目的是建立一个细菌联合体处理含有毒染料的合成纺织污水。本研究以地衣芽孢杆菌KIBGE IB21和脲氧基谷氨酰胺杆菌KIBGE IB41两种细菌培养细菌联合体。细菌联合体C4在35℃条件下孵育18 h后，对合成纺织污水1和2的脱色率分别为88%和76%。高效液相色谱保留时间的不同表明染料在处理后的样品中有降解现象。傅里叶变换红外光谱证实了染料发色团的降解。水质分析表明，处理后的样品的总悬浮固体和生物和化学需氧量减少。MTS试验显示，污水1和污水2的脱毒率分别为100%和95%。所制备的细菌联合体在实际纺织废水中也表现出深刻的效果。这种生物修复方法是处理工业废水的一个步骤，可能有助于废水的回收。

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来源期刊

International Journal of Environmental Science and Technology 环境科学-环境科学

CiteScore

5.60

自引率

6.50%

发文量

806

审稿时长

10.8 months

期刊介绍： International Journal of Environmental Science and Technology (IJEST) is an international scholarly refereed research journal which aims to promote the theory and practice of environmental science and technology, innovation, engineering and management. A broad outline of the journal''s scope includes: peer reviewed original research articles, case and technical reports, reviews and analyses papers, short communications and notes to the editor, in interdisciplinary information on the practice and status of research in environmental science and technology, both natural and man made. The main aspects of research areas include, but are not exclusive to; environmental chemistry and biology, environments pollution control and abatement technology, transport and fate of pollutants in the environment, concentrations and dispersion of wastes in air, water, and soil, point and non-point sources pollution, heavy metals and organic compounds in the environment, atmospheric pollutants and trace gases, solid and hazardous waste management; soil biodegradation and bioremediation of contaminated sites; environmental impact assessment, industrial ecology, ecological and human risk assessment; improved energy management and auditing efficiency and environmental standards and criteria.