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Uranium compounds (yellow cake) suspension drying system put into operation at the main production facility of Dalur
The production line was purchased from the Czech company Susarny Praha s.r.o., and the project was developed by VNIPIpromtekhnologii JSC, the engineering center of ARMZ Uranium Holding Co. The equipment has been manufactured in compliance with Dalur specifications to be placed in the existing premises of the production facility.
"Since the Soviet times we have been the true industry leader in designing mineral processing facilities, R&D, experimental works for the needs of uranium mining industry. Our engineering center fully took over the entire range of works in this high-tech project, from R&D and design to procurement, customs procedures, construction and installation works,"- says Director General of the engineering center of ARMZ Uranium Holding Co. Alexey Starodumov.
The equipment is fully automated, which ensures stable operation and safety of the process. The modern filtration systems completely eliminate damage to the environment.
"It took quite a long time to tune up the system. We were selecting optimal operation modes, introducing engineering changes together with manufacturers and colleagues from VNIPIpromtekhnologii. For example, we modernized gas purification unit, thus ensuring protection against harmful emissions 100 times higher than was initially designed, "- said Director General of Dalur Nikolai Poponin.
Currently, the production line reached its design capacity - 120 kg of yellow cake per hour. This corresponds to the output of Dalur with account to the increase in mining production at Dalmatovskoye and Khokhlovskoye deposits. It should be noted that this year Dalur plans to produce 590 tons of uranium, and 600 tons in 2016.
The final product is delivered to the facilities of TVEL, the fuel company of Rosatom. Uranium compounds suspension humidity previously achieved by the company was up to 30%. After introduction of the modern drying technology, the humidity will drop to 2%. Thus, Dalur not only reduces its logistics costs, but also provides the convenience of further processing for production of high-purity uranium compounds.