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The most common means for removing water hardness rely on ion-exchange resin or reverse osmosis.Other approaches include precipitation methods and sequestration by the addition of chelating agents.
There are three parts to a cartridge filter: end caps (typically made of plastic), a core structure to provide strength (often PVC), and a pleated media (often polyester) with a continuously graded, fixed pore structure. There are more than 500 shapes and sizes of such filter cartridges in use today.
Utilities will often adjust the chemistry of the water before distribution to minimize its corrosiveness. The simplest adjustment involves control of pH and alkalinity to produce a water that tends to passivate corrosion by depositing a layer of calcium carbonate. Corrosion inhibitors are often added to reduce release of metals into the water.
A reducer reduces the pipe size from a larger to a smaller bore (inner diameter). Alternatively, reducer may refer to any fitting which causes a change in pipe diameter. [15] This change may be intended to meet hydraulic flow requirements of the system or adapt to existing piping of a different size. The reduction length is usually equal to the ...
WASHINGTON − Former President Bill Clinton was hospitalized in Washington “for testing and observation after developing a fever,” his deputy chief of staff announced Monday. “He remains in ...
Jennifer Crumbley, who was convicted of involuntary manslaughter in connection with the shooting her son carried out at a Michigan high school, is asking to be released from prison as her appeal ...