Sulphite : The Hidden Challenge in Ethanol Fermentation
The Catalysts Group hosted a technical session addressing sulphite presence in molasses and fermentation streams, an often overlooked yet critical factor impacting ethanol yield, yeast health and process stability. Sulphite contamination, arising from sulphitation practices, variable molasses quality and carryover from upstream processing, can quietly inhibit yeast metabolism and depress ethanol recovery even when other parameters appear within the normal range.
In this session, our experts covered
- Sulphite Challenge in Ethanol Fermentation
- Root Causes
- Process Impact
- Mitigation Strategies
About the Speaker
Dr. K.V.T.S. Pavan Kumar, Vice President – R&D at The Catalysts Group, is a scientist and techno-commercial leader with over 20 years of experience in biotechnology research, product development, and commercialization. He brings a strong track record of translating innovative science into scalable, market-ready business solutions, with expertise spanning biotechnology, molecular biology, enzyme discovery, and bioinformatics-driven research, complemented by deep knowledge of quality systems and regulatory frameworks.
Over the course of his career, he has led the development of over 20 industrial technologies and filed multiple patents. He has also played a pivotal role in building advanced R&D infrastructure at The Catalysts Group, including the establishment of a DSIR-recognized synthetic biology lab. Known for his strategic leadership, Dr. Pavan Kumar excels at guiding cross-functional teams and driving techno-commercial initiatives that accelerate market adoption and create sustainable, revenue-generating growth for biotechnology products.
info@thecatalystsgroup.com



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