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Did
you know?
Reverse osmosis is the finest water filtration method known. This process will
allow the removal of particles as small as ions from a solution. It is used
to purify water and remove salts and other impurities in order to improve the
color, taste or properties of the fluid. R.O. uses a membrane that is semi-permeable,
allowing the fluid that is being purified to pass through it, while rejecting
other ions and contaminants from passing.
This technology uses a process
known as crossflow to allow the r.o. membrane to continually clean itself. This
is the reason of why an r.o. element can last many years before clogging or
need replacement. This
water purification process requires a driving force to push the fluid through
the membrane, and the most common force is household water pressure or pressure
from a booster pump. The higher the pressure, the larger the driving force and
efficiency.
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Water
Can Heal
Did
You Know?
Water can prevent and alleviate many of our symptoms
Water
and capillary action in your body.
Even if you've
never heard of capillary action, it is still important in your life. Capillary
action is important for moving water around. It is the movement of water
in and out of your cellular structure that deposits vitamins, nutrients
and vital blood plasma. Without this flow your body's cells would not
rehydrate and vital communication between your brain and body would slow.
So just what
is a simple definition of capillary action? It is defined as the movement
of water within the spaces of a porous material due to the forces of adhesion,
cohesion, and surface tension. Surface tension is a measure of the strength
of the water's surface film. The attraction between the water molecules
creates a strong film, which among other common liquids is only surpassed
by that of mercury. This surface tension permits water to hold up substances
heavier and denser than itself. A steel needle carefully placed on the
surface of a glass of water will float. Some aquatic insects such as the
water strider rely on surface tension to walk on water.
Capillary
action occurs because water is sticky, thanks to the forces of cohesion
(water molecules like to stay closely together) and adhesion (water molecules
are attracted and stick to other substances). So, water tends to stick
together, as in a drop, and it sticks to glass, cloth, organic tissues,
and soil. Dip a paper towel into a glass of water and the water will "climb"
onto the paper towel. In fact, it will keep going up the towel until the
pull of gravity is too much for it to overcome.
This is
more important than you think. Consider: When you spill your glass of
Kool-aid on the kitchen table, you rush to get a paper towel to wipe it
up. First, you can thank surface tension, which keeps the liquid in a
nice puddle on the table, instead of a thin film of sugary goo that spreads
out onto the floor. When you put the paper towel onto your mess the liquid
adheres itself to the paper fibers (actually, the liquid moves to the
spaces between and inside of the fibers).
Plants and
trees couldn't thrive without capillary action. Plants put down roots
into the soil, which are capable of carrying water from the soil up into
the plant. Water, which contains dissolved nutrients, gets inside the
roots and starts climbing up the plant tissue. As water molecule #1 starts
climbing, it pulls along water molecule #2, which, of course, is dragging
water molecule #3, and so on. One common experiment to demonstrate capillary
action is to place a stalk of celery in a glass of water that has been
colored with food coloring (you might want to use a piece of celery that
has begun to whither, as it is in need of a quick drink). This effect
happens because, in plants, water molecules move through narrow tubes
that are called capillaries.
Without water
to facilitate this movement, your body would literally come to grinding
halt.

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