Method for reducing the formation of trihalomethanes in drinking water
First Claim
Patent Images
1. A method of treating water to disinfect the water and reduce the formation of trihalomethanes which comprises first adding to the water from about 0.1 to about 50 parts per million hydrogen peroxide to oxidize organic substances present therein and thereafter adding to the water sufficient chlorine to react with any hydrogen peroxide present and maintain a residual amount of chlorine sufficient to disinfect the water, whereby the formation of trihalomethanes present in the water amounts to less than 295 parts per billion.
0 Assignments
0 Petitions
Accused Products
Abstract
The level of trihalomethanes in drinking water is reduced by adding hydrogen peroxide to the water prior to chlorination.
86 Citations
5 Claims
- 1. A method of treating water to disinfect the water and reduce the formation of trihalomethanes which comprises first adding to the water from about 0.1 to about 50 parts per million hydrogen peroxide to oxidize organic substances present therein and thereafter adding to the water sufficient chlorine to react with any hydrogen peroxide present and maintain a residual amount of chlorine sufficient to disinfect the water, whereby the formation of trihalomethanes present in the water amounts to less than 295 parts per billion.
Specification
-
- Resources
Litigation Campaign Assessment
Thank you for your request. You will receive a custom alert email when the Litigation Campaign Assessment is available.
×
-
Current AssigneeFMC Corporation
-
Original AssigneeFMC Corporation
-
InventorsGreenberg, Edward S.
-
Primary Examiner(s)Castel, Benoit
-
Application NumberUS05/025,179Time in Patent Office649 DaysField of Search210/50, 210/62, 210/63 R, 210/61US Class Current210/754CPC Class CodesC02F 1/722 Oxidation by peroxidesC02F 1/76 with halogens or compounds ...
