US2010012593A1PendingUtilityA1

Process for treating water

59
Individually held — no corporate assignee on recordPriority: Apr 6, 2000Filed: Sep 4, 2009Published: Jan 21, 2010
Est. expiryApr 6, 2020(expired)· nominal 20-yr term from priority
Inventors:Andrew B. Arata
C02F 1/441Y10S424/06C02F 1/686C02F 2103/023C02F 2103/026C02F 1/4606A01N 59/16C02F 2303/04C02F 1/44
59
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Claims

Abstract

A process is disclosed for treating impure water by introducing a solution of electrolyticially generated silver citrate into the impure water wherein the silver is electrolytically generated in a solution of citric acid and water.

Claims

exact text as granted — not AI-modified
1 . A process for treating impure water, comprising introducing a solution of an antimicrobial amount of silver dihydrogen citrate and at least 5% wt/vol citric acid into the impure water to obtain disinfected water. 
   
   
       2 . The process of  claim 1 , wherein the concentration of silver dihydrogen citrate in said solution is 500-1000 ppm. 
   
   
       3 . The process of  claim 2  wherein the concentration of silver dihydrogen citrate in said solution is 2000 ppm. 
   
   
       4 . The process of  claim 1 , wherein the concentration of silver dihydrogen citrate is 100 ppb in the disinfected water. 
   
   
       5 . The process of  claim 1 , wherein the concentration of silver dihydrogen citrate in said solution is in excess of 0.05% wt/vol. 
   
   
       6 . The process of  claim 1 , wherein the concentration of citric acid in said solution is 20.0% wt/vol. 
   
   
       7 . The process of  claim 1 , wherein the solution of silver dihydrogen citrate and citric acid is continuously metered into moving impure water. 
   
   
       8 . The process of  claim 1 , wherein the solution of silver dihydrogen citrate and citric acid is continuously pumped into moving impure water. 
   
   
       9 . The process of  claim 1 , wherein the solution of silver dihydrogen citrate and citric acid is continuously injected into a batch of impure water.

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