Method and apparatus for treating potable water in municipal and similar water tanks
a technology for municipal and similar water tanks, applied in the direction of positive displacement liquid engines, liquid degasification, separation processes, etc., can solve problems such as creating undesirable disinfectants, and achieve the effect of high volume, effective and thoroughly mixing or blending all of the water in the entire tank
Inactive Publication Date: 2018-10-25
MEDORA ENVIRONMENTAL
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Benefits of technology
The patent describes a process for mixing water in a tank using a tank-based air flow system to remove trihalomethanes from the water. The air flow system creates a high volume of air that passes through the tank and helps to volatize the trihalomethanes in the water. This process results in a safer and more efficient means of removing these harmful chemicals from tank water.
Problems solved by technology
However, such disinfectants can and usually do create undesirable disinfectant byproducts such as chloroform, bromodichloromethane, dibromochloromethane, and bromoform which are all forms of trihalomethanes (THM's).
Method used
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[0020]The method and apparatus of the present invention are primarily designed for use in a municipal or similar, potable water tanks such as 2 in FIG. 1 to aid in removing undesirable byproducts of the disinfectant process or processes from the water 4. Such undesirable byproducts as discussed above include trihalomethanes (THM) and similar byproducts of disinfecting processes, particularly those processes using chlorine and chloramines which routinely result in undesirable concentrations of THM in liquid state remaining in the processed water. As shown in FIG. 1, municipal water tanks such as 2 commonly include a ceiling 6 and floor 8 with side walls 10 extending therebetween to contain the water 4 in the tank 2. The water 4 can enter and exit the enclosed tank 2 in any number of manners including via the illustrated inlet and outlet pipes 12,12′ of FIG. 1. The entering flow through inlet pipe 12 is typically controlled as for example by an upstream valve or pump at 14 that can be...
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Abstract
Method and apparatus for treating potable water in municipal and similar tanks to reduce and remove undesirable disinfectant byproducts such as trihalomethanes from the water by providing a water circulation system to create circulation patterns in the tank water and an air flow system for creating an air flow pattern in the headspace region of the enclosed tank above the water surface. In operation, a portion of the tank water is drawn-up a draft tube from the tank floor to above the water surface and sprayed through a nozzle outwardly about a vertical axis and slightly downwardly toward the surface of remaining tank water. The air flow system creates and directs a high volume of air through the tank above the water surface to volatize undesirable trihalomethanes in the drawn-up water portion to gaseous state to enter the air flow pattern and exit the tank into ambient air.
Description
RELATED APPLICATIONS[0001]This application is a division of U.S. patent application Ser. No. 13 / 763,379 filed Feb. 8, 2013, which is incorporated herein by reference and the benefit of which is hereby claimed.BACKGROUND OF THE INVENTION1. Field of the Invention[0002]This invention relates to the field of systems for treating potable water in municipal and similar tanks to reduce and remove undesirable disinfectant byproducts from the water.2. Discussion of the Background[0003]Potable bodies of water and in particular municipal and other water sources intended for drinking are commonly treated with disinfectants such as chlorine and chloramines. These disinfectants very efficiently and effectively eliminate harmful agents in the water making the water potable and suitable for drinking. However, such disinfectants can and usually do create undesirable disinfectant byproducts such as chloroform, bromodichloromethane, dibromochloromethane, and bromoform which are all forms of trihalomet...
Claims
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IPC IPC(8): C02F1/20B01F3/04B01F13/00B01D19/00C02F101/32C02F101/36E03B11/10F04B23/02
CPCB01F2215/0431B01D19/0047B01F3/04737B01F13/0049C02F2101/36C02F2101/322C02F1/20C02F2303/185C02F2303/18F04B23/021E03B11/10B01D19/0042B01D19/0005B01D19/00B01F2215/0422B01F23/2341B01F33/503
Inventor SIMNIONIW, COREY M.ZENT, JONATHAN L.TORMASCHY, WILLARD R.BLETH, JOEL J.KUDRNA, GARY A.WALTER, DOUGLAS P.
Owner MEDORA ENVIRONMENTAL
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