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Momentum Technologies tells Congress its modular plants can speed U.S. rare‑earth processing

House Committee on Natural Resources: Subcommittee on Oversight and Investigations · December 4, 2025
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Summary

Momentum Technologies told the House subcommittee its membrane solvent extraction process, validated with federal labs and partners, can produce separated rare‑earths and battery materials at commercial scale using modular plants that reduce permitting time and transport impacts.

WASHINGTON — During a House Natural Resources Subcommittee hearing, Mahesh Kunduru, chief executive officer of Momentum Technologies, argued the United States can close critical‑minerals processing gaps by deploying small, modular—co‑located—processing modules that reduce permitting complexity and speed time to first production.

Kunduru told the committee Momentum's membrane solvent extraction (MSX) technology separates lithium, nickel, cobalt, copper and rare earths from batteries, magnets and other byproducts. He said the technology was…

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