WATER TREATMENT FOR FACILITY MANAGERS
Perpetuating Savings through Total Service Management

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Water treatment for facility managers is often a challenge to control.  For example, whether it’s a chiller, boiler or cooling tower, the level of detail required to maintain energy efficiency and equipment life requires properly designed water treatment programs and continual testing followed by corrective actions.  To provide a complete solution, facilities require a Total Service Management™ Program from Zinkan. 


Minute amounts of dissolved oxygen, slim layers or even a 3/16-inch of scale can reduce efficiencies of energy transfer or render a system unusable.  Our technology and chemical driven solutions provide our customers with the correct water treatment chemistry at the moment it is required and consequently prevents minor issues cascading into catastrophic breakdowns.  While it is not the desirable task for facilities to deal with, water treatment when properly managed will result in direct energy savings from heating and cooling systems and reduce equipment maintenance.  

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What this means for you:

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- Reduce operating costs
- Safeguard critical assets against corrosion, scaling and biofouling
- Maintain clean and efficient heat exchangers, cooling towers and boilers
- Protect your budget and the environment by water conservation and energy reduction
- More easily manage environmental, health and safety issues
- Improve resident comfort through heating and cooling performance


CONFRONTING COROSION

Corrosion causes pitting inside boilers and chilled water systems that can lead to leaks in pipes and tubes. Pitted areas also create places for biological growth to occur. Two common sources of corrosion are acidic conditions and dissolved gases. Zinkan employs pHREADY, our specialized alkalinity formulations, to combat these conditions resulting system balance.

 

Maintaining pH - The ideal pH for preventing corrosion is 9.5-10 for systems that require makeup water and 8-8.5 for other systems. The pH of the water is very important to system health, affecting corrosion and can contribute to scaling. With Total Service Management™, the pH is monitored and maintained to ensure corrosion conditions are prevented.


Dissolved Gases - Carbon dioxide and oxygen also can be very corrosive and are present in all water and result in corroded pipes and tubes. Through a variety of specialized oxygen and gas scavengers, Zinkan is able to prevent the concerns keep all systems in good operating health.

 

TREATING HARD WATER

Water contains minerals and salts that can deposit on the surface of equipment as Scale. Most often, scale is made of calcium carbonate and calcium phosphate, but the types of dissolved materials in the water depends on a facility’s location. According to industry standards, a layer of scale will reduce efficiency of mechanical systems, and in boilers, it can contribute to tube failure.  The leading cause scale formation is driven largely by alkalinity being excessively high. 

 

Besides controlling alkalinity, Zinkan performs site testing and deploys AquaREADY, our scale inhibitor packages, to neutralize and prevent the formation of scale and customizes the deployment of the chemistry to best suit the age and condition of the system.


PARTICULATE AND MICROBIOLOGICAL MATTER

 

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Commonly known in the industry as Foulants, particulate and biological material can be a problem in any system and more often cooling towers, whether they are new or old. Foulants — bits and pieces of algae, fungi and bacteria and dust, corrosion particles and similar materials — can cut a surface’s heat-transfer efficiency and even clog systems.

 

To prevent these concerns, Zinkan deploys several types of filters can remove particles as small as 5 microns. In addition, dispersant blends will keep foulants from settling in the system and facilitate their removal during the blowdown process.  Algae, a plant found commonly on cooling-tower surfaces because it needs light, and bacteria, which shows up as slime on internal heat-transfer surfaces, can cause biological fouling and can affect the efficiency of chiller, boiler and cooling tower systems. Zinkan deploys oxidizing biocides, as well as with a variety of nonoxidizing biocides used primarily in closed-loop systems.


MONITOR TREATMENT AND IDENTIFYING PROBLEMS

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Periodic inspection and cleaning of boiler and chilled-water systems are critical. But even before an inspection, our customers should look for operational problems. Temperatures and pressure drops through the heat exchanger on chilled-water systems that are higher than designed might indicate a problem with buildup.


Zinkan recommends regular equipment inspections to check for scale, corrosion and buildup. Our routine inspections also look for foam or unstable water lines.  This is why our Total Service Management™ Program requires routine testing and inspection so that problems are identify before they become failures.  Staying on top of any changes in the process requires this high level of attention to ensure highest efficiencies of systems and maximize your energy savings.


BOTTOM LINE SAVINGS

Our first priority for water treatment is regular testing. Keeping up with changes in the chemistry is critical because slight variances can have expensive repercussions.  But in facilities that don’t have regular communication with the maintenance staff responsible for water treatment, it is difficult to keep water chemistry balanced. The object is to stop playing catchup and treat the problems before they become problems.  This is where Zinkan comes in, we provide routine testing and training to ensure facilities are running at their optimum conditions.  In addition, by working closely with our customers, we can further maximize their savings annually through energy savings and reduced chemical consumption.

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