Thermophilic bacteria mediated dye remediation in water and wastewater: Mechanistic and metabolic insights.
Dharsandia I, Kumar N, Tiwari A, Vadiya C, Parmar P
Bioremediation
Textile and industrial dye pollution contaminates rivers and groundwater that irrigate gardens and crops, and bacteria-based cleanup could mean cleaner water reaching the plants you grow and eat.
Factories that make textiles, paper, and leather release brightly colored chemical dyes into water, which are hard to remove and can harm ecosystems. Scientists are exploring a natural solution: heat-loving bacteria that produce powerful enzymes capable of breaking these dyes apart into harmless compounds. By using communities of these bacteria together, researchers hope to clean contaminated water more effectively and affordably than current chemical methods.
Key Findings
Thermophilic bacteria produce heat-stable enzymes (laccases, peroxidases, azoreductases) that can degrade complex synthetic dyes at high temperatures where most other organisms cannot survive.
Removal efficiency is influenced by multiple factors including temperature, pH, dye concentration, molecular structure of the dye, and the presence of other pollutants in the water.
Consortia of multiple compatible thermophilic bacterial strains can operate across a broader temperature range and achieve improved dye remediation compared to single-strain approaches.
chevron_right Technical Summary
Thermophilic bacteria — microbes that thrive at high temperatures — can break down toxic industrial dyes in wastewater using specialized enzymes, offering a cheaper and cleaner alternative to traditional chemical treatment methods.
Abstract Preview
Industrial dye pollution is a major concern, especially in textiles, paper, and leather. Physical and chemical methods have high operational costs, often fail to degrade dyes completely, and may ca...
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