RU2010153967A

RU2010153967A - METHOD FOR PROCESSING LIQUID RADIOACTIVE WASTE

Info

Publication number: RU2010153967A
Application number: RU2010153967/07A
Authority: RU
Inventors: Александр Александрович Басиев (RU); Александр Александрович Басиев; Александр Гаврилович Басиев (RU); Александр Гаврилович Басиев; Александр Фёдорович Селиверстов (RU); Александр Фёдорович Селиверстов
Original assignee: Александр Гаврилович Басиев (RU); Александр Гаврилович Басиев
Priority date: 2010-12-29
Filing date: 2010-12-29
Publication date: 2012-07-10
Also published as: RU2465666C2

Abstract

Способ переработки жидких радиоактивных отходов, содержащих радионуклиды в ионной и коллоидной формах и балластные компоненты минеральной и органической природы в растворенном и взвешенном состояниях, заключающийся в том, что органические компоненты жидких радиоактивных отходов окисляют путем подачи озона в поток отходов, предварительно отфильтрованном на сетчатом фильтрующем материале, озонирование производят озоном с концентрацией более 0.2 г/л, в тракте подачи озона из генератора озона в камеру смешения создают разряжение меньше 1/3 величины обратной концентрации озона, при этом, сечение газового тракта подачи озона выбирают меньше отношения скорости потока газа с озоном к концентрации озона примерно в 5000 раз, поток озонируемых жидких радиоактивных отходов - ЖРО - направляют навстречу потоку озона в пузырях, камеру смешения разделяют сеткой на две секции, в нижнюю из которых подают озон из эжектора замкнутым потоком ЖРО, взятым из этой же секции, затем отделяют сеткой, и поднимают во второй секции навстречу потоку ЖРО, при этом поток ЖРО направляют последовательно через две и более камеры, в последней из которых количество озона подбирают из расчета не менее 1/3 произведения: концентрации озона, расхода ЖРО и стехиометрического коэффициента его реакции с органикой в ЖРО, замкнутый поток жидких радиоактивных отходов с озоном подают из эжектора в нижнюю секцию камеры смешения по касательной к ее периметру. A method of processing liquid radioactive waste containing radionuclides in ionic and colloidal forms and ballast components of mineral and organic nature in dissolved and suspended states, namely, that the organic components of liquid radioactive waste are oxidized by supplying ozone to the waste stream, pre-filtered on a mesh filter material , ozonation is carried out with ozone with a concentration of more than 0.2 g / l, in the path of supplying ozone from the ozone generator to the mixing chamber, a vacuum of less than 1 is created / 3 values of the inverse concentration of ozone, while the cross section of the gas path of the ozone supply is less than the ratio of the gas flow rate with ozone to the ozone concentration by about 5000 times, the flow of ozonated liquid radioactive waste - LRW - is directed towards the flow of ozone in the bubbles, the mixing chamber is separated by a grid into two sections, in the lower of which ozone is supplied from the ejector by a closed LRW stream taken from the same section, then separated by a grid, and raised in the second section towards the LRW stream, while the LRW stream is directed sequentially through cutting two or more chambers, in the last of which the amount of ozone is selected based on at least 1/3 of the product: ozone concentration, LRW consumption and the stoichiometric coefficient of its reaction with organic matter in LRW, a closed stream of liquid radioactive waste with ozone is fed from the ejector to the lower section mixing chambers tangential to its perimeter.

Claims

A method of processing liquid radioactive waste containing radionuclides in ionic and colloidal forms and ballast components of mineral and organic nature in dissolved and suspended states, namely, that the organic components of liquid radioactive waste are oxidized by supplying ozone to the waste stream, pre-filtered on a mesh filter material , ozonation is carried out with ozone with a concentration of more than 0.2 g / l, in the path of supplying ozone from the ozone generator to the mixing chamber, a vacuum of less than 1 is created / 3 values of the inverse concentration of ozone, while the cross section of the gas path of the ozone supply is less than the ratio of the gas flow rate with ozone to the ozone concentration by about 5000 times, the flow of ozonated liquid radioactive waste - LRW - is directed towards the flow of ozone in the bubbles, the mixing chamber is separated by a grid into two sections, in the lower of which ozone is supplied from the ejector by a closed LRW stream taken from the same section, then separated by a grid, and raised in the second section towards the LRW stream, while the LRW stream is directed sequentially through cutting two or more chambers, in the last of which the amount of ozone is selected based on at least 1/3 of the product: ozone concentration, LRW consumption and the stoichiometric coefficient of its reaction with organic matter in LRW, a closed stream of liquid radioactive waste with ozone is fed from the ejector to the lower section mixing chambers tangential to its perimeter.