International Issues

Oral

397179 - Textile Dye Wastewater Biotreatment– A project empowering female leadership through international exchange

Tuesday, June 5
8:30 AM - 10:00 AM
Location: Lake Superior B
Co-Authors: Noshaba Malik, Islamabad – Quaid-i-Azam University; Heidi Gough, Seattle, WA – University of Washington

International exchanges and sponsorships allow female scholars opportunities for broader engagement in the scientific community. In 2016, Noshaba Hassan Malik, a PhD student at Quaid-i-Azam University in Islamabad, Pakistan, conducted research with Dr. Heidi Gough, faculty at the University of Washington. The exchange allowed both scholars to expand their knowledge base and to better understand differences between the two academic institutions. Particularly, because women tend to be less engaged in international scientific exchanges, this model serves as an example of the power of long-term exchange in improving female engagement in global water research.
During the exchange, Dr. Gough and Ms. Malik worked together to characterize the biotreatment potential of newly isolated bacteria that were capable of degrading dyes found in textile wastewater. Use of bacteria capable of decoloring dyes have been proposed for development of biologic treatment options for wastewater produced during textile dyeing. Currently a variety of physical and chemical technologies are available for textile wastewater treatment. However, all physical and chemical methods have limitations such as cost, incomplete degradation, and generation of sludge that creates secondary pollution problems. Bacterial decolorization is a promising alternative to chemical and physical wastewater treatment, with potential for more complete and economically sustainable treatment. Specialized bacteria have been reported that decolor textile wastes. However, knowledge of the kinetics of decolorization is needed to develop and model a treatment approach. This study documents the ability of newly-isolated bacteria to degrade three dyes (reactive red, blue and yellow) in batch reactors, and established their kinetic rates of degradation. An over-arching goal of the project is to apply kinetics knowledge for development of larger-scale reactor systems that can be used in developing nations where currently available treatment is often not an economically viable option.



Heidi L. Gough, PhD, PE

Associate Research Professor
University of Washington

Presentation(s):

Send Email for Heidi Gough

Noshaba H. Malik

PhD Student
Quaid-i-Azam University

Presentation(s):

Send Email for Noshaba Malik


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