Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – For radioactive reactant or product
Patent
1981-12-10
1984-03-27
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
For radioactive reactant or product
252643, 422105, 422119, 422168, 422186, 422189, 423251, 423261, B65G 5360, B01D 3502, G21F 908, B01J 1912
Patent
active
044394020
ABSTRACT:
A nuclear fuel conversion system comprises a unit for heating and denitrifying a nitric acid solution of uranyl nitrate, plutonium nitrate, or mixture thereof, a unit for grinding denitrified products, a unit connected to the grinding unit through a first conveying unit for roasting and reducing ground products, a unit connected to the roast-reduction unit through a second conveying unit for further grinding and then sieving the roasted and reduced products, and a unit for disposing of waste gases and waste liquor. The denitrification unit includes a microwave generator for heating and denitrifying the nitric acid solution and for cooling the denitrified product, and the first and second conveying units comprise pneumatic carrier means each of which consists of a suction nozzle, cyclone connected to the nozzle through a pipe, and a blower for creating a reduced pressure condition in the pipe.
REFERENCES:
patent: 2868707 (1959-01-01), Alter et al.
patent: 3041136 (1962-06-01), Hedley et al.
patent: 3287279 (1966-11-01), Lyon
patent: 3725293 (1973-04-01), Haas
patent: 4083607 (1978-04-01), Mott
patent: 4364859 (1982-12-01), Ohtsuka et al.
Oshima Hirofumi
Tamura Takeo
Tarutani Kohei
Doryokuro Kakunenryo Kaihatsu Jigyodan
Richman Barry S.
Tokyo Shibaura Denki Kabushiki Kaisha
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