Recycling of Nuclear Liquid Waste with Boron Control

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200024146A1
SERIAL NO

16311560

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to the complex processing of a nuclear power plant's NPP's liquid, boron-containing waste with a complex composition, being generated during the operation of NPPs, including of ones VVER-type, and can be used to isolate boric and nitric acids and hydroxides of sodium and potassium for their reuse in the NPP process cycle. The invention allows to obtain crystalline boric acid and highly concentrated solutions of nitric acid and hydroxides of sodium and potassium, suitable for reuse in the NPP process cycle and for general industrial use. Conducting electrodialysis at low values of current and voltage provides a reduction of the method's energy intensity. The involvement of all major components of waste mother liquors into the processing reduces the amount of stored and disposed hazardous waste.

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Patent Owner(s)

Patent OwnerAddress
JOINT STOCK COMPANY "SCIENCE AND INNOVATIONS"PER STAROMONETNIY 26 MOSCOW 119180
JOINT STOCK COMPANY "ROSENERGOATOM"UL FERGANSKAYA 25 MOSCOW 109507 109507

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
IVANENKO, Vladimir Ivanovich Murmanskaya obl., RU 1 0
KORNEIKOV, Roman Ivanovich Murmanskaya obl., RU 1 0
LOKSHIN, Efroim Pinkhusovich St. Petersburg, RU 1 0
SEDNEVA, Tat'yana Andreevna Murmanskaya obl., RU 1 0

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