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IIT Guwahati wastewater treatment research

Overview

Researchers at the Indian Institute of Technology (IIT) Guwahati have developed two distinct biological methods for treating industrial and agricultural wastewater.

In September 2026, the team introduced an eco-friendly treatment for textile wastewater containing toxic azo dyes. By utilizing a novel bacterium, ‘Brevundimonas sp. AJZ05’, the method employs an enzyme to degrade synthetic dyes. Testing showed a 98.50% degradation rate of Direct Blue-6, producing non-toxic byproducts.

In October 2026, the research expanded to include a nature-based system for swine wastewater. This low-energy approach uses taro plants and an engineered ‘zig-zag flow’ design to increase contact time between pollutants and microorganisms. The system demonstrated significant reductions in organic pollutants and pathogens, specifically lowering total coliform and E. coli levels while reducing cytotoxicity.

Entities

Indian Institute of Technology Guwahati · ICAR-National Research Centre on Pig · Ministry of Education · Brevundimonas sp. AJZ05 · IIT Varanasi

Timeline

  1. [TECHNOLOGY] 2 sources
    IIT Guwahati develops plant-based system for piggery wastewater

    IIT Guwahati researchers have developed a low-energy, nature-based wastewater treatment system using taro plants and a zig-zag flow design to manage polluted piggery waste in rural areas.

  2. [TECHNOLOGY] 2 sources
    IIT Guwahati researchers develop eco-friendly bacterial treatment for textile dyes

    IIT Guwahati researchers have developed an eco-friendly biological treatment using the bacterium Brevundimonas sp. AJZ05 to degrade 98.50% of toxic azo dyes in textile wastewater.

Sources

businessnewsthisweek.com · eastmojo.com · edexlive.com · theshillongtimes.com