Nitrogen-13

Nitrogen-13

Radioisotope Production and Application

Published in Paul R. Bolton, Katia Parodi, Jörg Schreiber, Applications of Laser-Driven Particle Acceleration, 2018

Nitrogen-13:13N (half-life 9.96 min), can be produced by proton bombardment of water through the 16O(p, α)13N nuclear reaction. The decay of 13N is also purely β+, the mean energy of the positrons is 492 keV, and the endpoint energy (the maximum energy) is 1.19 MeV which corresponds to a range in water of about 5.4 mm.

Comparison of modelling accuracy with and without exploiting automated optical monitoring information in predicting the treated wastewater quality

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Journal Information

Published in Environmental Technology, 2018

Jani Tomperi, Kauko Leiviskä

In the earlier study [4], in addition to the temperature and anoxic proportion of volume, influent total nitrogen (12), influent sulphate (23), and mechanically treated wastewater nitrate nitrogen (17) and iron (26) were found to be important input variables in the SS model; iron (26) was important in modelling the BOD; sludge concentration (30) and PO4-P (11) in the COD model and total nitrogen (13), pH (21) and total phosphorus (9) of mechanically treated wastewater were important in the nitrogen model, as mainly also in this study.

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Radioisotope Production and Application

Comparison of modelling accuracy with and without exploiting automated optical monitoring information in predicting the treated wastewater quality