Portrait of Laureen Meroueh
Photo: MIT School of EngineeringSource · Source-linked editorial identification
Energy & Climate

Laureen Meroueh

Single-step electric-arc steelmaking furnace

United StatesEvidence: high confidenceChecked July 2026

Third-party image used for identification in nonprofit educational commentary; rights remain with MIT School of Engineering.

Who is Laureen Meroueh?

Laureen Meroueh is an inventor associated with United States. Their documented work in energy & climate includes Single-step electric-arc steelmaking furnace, the contribution at the center of this evidence-backed profile.

Laureen Meroueh invented Hertha Metals’ continuous electric-arc steelmaking process, which combines ore reduction and melting in one furnace. The system can use low-grade domestic ore and electricity or hydrogen rather than a conventional coal-based multi-step route, targeting lower-emission steel and high-purity iron production.

Known forSingle-step electric-arc steelmaking furnace
FieldEnergy & Climate
Associated withUnited States
Evidence reviewed2 sources
01

What did Laureen Meroueh invent?

Invented a continuous electric-arc process that reduces low-grade iron ore to molten steel or high-purity iron in one furnace.

02

What did Laureen Meroueh accomplish?

Hertha’s Houston demonstration plant began producing one ton of steel per day, providing a real-world validation of the single-step process.

03

What is known about Laureen Meroueh today?

MIT’s February 2026 report identifies Meroueh as Hertha Metals’ CEO and founder while documenting the operating Houston demonstration plant and the company’s scale-up work.

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