ioneer Ltd (‘ioneer’ or ‘the Company’) (ASX: INR), an emerging lithium-boron supplier, is pleased to announce it has awarded DuPont Clean Technologies (DuPont) a contract for the license, engineering, and supply of proprietary equipment for the planned sulphuric acid plant (Plant) at the Company’s Rhyolite Ridge Lithium Boron Project (‘Rhyolite Ridge’ or ‘the Project’) in Nevada, US.