Removing Coal Ash From The Environment


Leadership in Fly Ash Beneficiation

For four decades, The SEFA Group has been adept at stimulating innovation and new service offerings that can further contribute to customers’ success and environmental stewardship. At SEFA, our spirit of teamwork is a competitive edge that generates innovative solutions.

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Working in the Utility, Construction, and Transportation Industries requires a commitment to the highest standards of excellence in safety, and we have consistently raised the bar in this area. We prioritize the health and safety of our customers and the communities we serve.

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Transformative Sustainability

Embedded in Our Culture

SEFA has recycled over 20 million tons of fly ash in the last 30 years that would have otherwise gone into landfills or ponds, and we were the first company in the world reclaiming and recycling coal ash from ponds for concrete. SEFA has a strong heritage of unsurpassed service to its customers in an environmentally sensitive and sustainable manner.

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STAR® Process Video

The STAR® Process is a thermal beneficiation process, which treats fly ash in such a way as to lower the LOI for use as Pozzolan in concrete.


With nine years of technological advancements, proven market success, and continued growth, The SEFA Group has established STAR® Technology as one of the most advanced and environmentally friendly options available for recycling coal ash.

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