Formation of Hydrazine as a Chloramine By-Product Issam Najm

ISBN: 9781843399612

Published: January 1st 2007

Paperback

72 pages


Description

Formation of Hydrazine as a Chloramine By-Product  by  Issam Najm

Formation of Hydrazine as a Chloramine By-Product by Issam Najm
January 1st 2007 | Paperback | PDF, EPUB, FB2, DjVu, AUDIO, mp3, ZIP | 72 pages | ISBN: 9781843399612 | 5.48 Mb

Hydrazine, N2H4, has been used widely since the 1950s in a variety of industrial applications. Hydrazine is a potent carcinogen and is classified by the USEPA as a probable human carcinogen with a 10-6 risk level of 10 ng/L in drinking water. WhileMoreHydrazine, N2H4, has been used widely since the 1950s in a variety of industrial applications. Hydrazine is a potent carcinogen and is classified by the USEPA as a probable human carcinogen with a 10-6 risk level of 10 ng/L in drinking water.

While hydrazine is manufactured by the reaction between monochloramine and ammonia, there is no mention in the drinking water or wastewater literature of concerns about hydrazine formation as a by-product of chloramination.This project produced a modified analytical method for hydrazine with a detection limit 9.0 in combination with the presence of free ammonia and chloramines, which may result from chloramine decay in the distribution system or poor control of chemical dosing.

Hydrazine may form in the distribution system even if it is not -detectable in water leaving the plant.



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