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Ecotech Systems International Pakistan. and Ecotech Systems International Inc.
are water treatment companies that specialize in the entire range of water
treatment Know in Pakistan.
   
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Chemical and Non Chemical water treatment CEO  (Samson Simon Sharaf)

 

Cooling Towers

 


Maintaining Water Quality

Air quality at any particular site can be the cause of serious adverse effects on both cooling tower longevity and its ability to function thermally, complicated by an undesirable and unpredictable change in water quality. Cooling towers are extremely effective air washers and the technological advances which are intended to improve their thermal performance also serve to increase their air washing efficiency. Consequently the quality of the water being circulated over a tower quickly reflects the quality of the air with which it is in intimate contact. The air exits a cooling tower much cleaner than it enters. This constant washing of the incoming air plus the base characteristics of the make-up water supply are the parameters which establish the ultimate quality of the continuously re-circulated water stream complicated by the fact that the process of evaporation has the ability to cause incoming contaminant levels to concentrate tremendously. ln order to establish a basis for the utilization of standard construction materials the following "normal" water conditions have become arbitrarily defined:

 

  • A circulating water with a pH between 6 and 8; a chloride content (as NaCl) below 750 ppm; a sulphate content (SO4) below 1200 ppm; a sodium bicarbonate (NaHCO3) content below 200 ppm; a maximum temperature of 120 F; no significant contamination with unusual chemicals or foreign substances: and adequate water treatment to minimize corrosion and scaling.
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  • Chlorine, if used, added intermittently with a free residual not to exceed 1 ppm maintained for short periods. An atmosphere surrounding the tower no worse than moderate Industrial where rainfall and fog are only slightly acid and do not contain significant chlorides or hydrogen sulfide (H2S).
  •  

Water conditions falling outside these limits would warrant an investigation of the combined effect of all the constituents on each component material. In many cases it will be found that very few components require a change in materials. Wood and plastic components for example are very tolerant of chemical excursions far beyond these limits. Conversely carbon steel items are relatively unforgiving of all but the most limited variations.

 
Some of the most glaring effects of EcoBeam XL are:

Removal of already existing scales in the outlet and return pipes
Removal of scale from the cooling tower honeycomb
Removal of scale and algae from the cooling tower sump
Elimination of scale build-up
Quicker and more economical heat exchange
Soft behavior of water
Prevention of corrosion in pipe lines and equipment
Magnetically structured non invasive water
Stabilization of pH
Micro organism control
Preventing incoming dust from the air to combine with scales to form hard cakes and flakes

 

View of a Cooling Tower in Japan, Compressor & Heat Exchanger of a co-generation plant in Japan and an offshore oil rig with EcoBeam XL Applications in Indonesia

 

Read More Related Topics:
Cooling Towers I Heat Exchangers Evaporators & Distillers I Blow Down I Scale Preventions I Corrosion Control I Control of Biological Growth I Fuel I Water Treatment


 

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