A Study of Dilution in the Ottawa River Using Rhodamine B I. NPD to Deep River

Health Physics (Impact Factor: 1.27). 04/1964; 10(3):195-201. DOI: 10.1097/00004032-196403000-00006
Source: PubMed


Rhodamine B, a fluorescent dye, was used to study dilution in the Ottawa
River downstream of the NPD reactor site. Dye was injected into the NPD process
sewer for a 3-hr period and the concentration measured as it dispersed in the
river. An initial dilution of l00 was observed near the outfall. A wide, deep
section of the Ottawa River downstream of the reactor site acted as a detention
and mixing basin. Dye concentrations at the town of Deep River water intake, 16
km downriver, indicated a minimum overall dilution of the effluent of 3 x 10/sup
4/. The water velocity in this section of the Ottawa River was about 9 km/day.

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