Water-Cooled vs. Air-Cooled Equipment:

How Should You Stay Cool?

  • 5 March 2019
  • Author: Chem-Aqua, Inc
  • Number of views: 2010
  • 2 Comments
Water-Cooled vs. Air-Cooled Equipment:

When seeking to cool a large scale commercial or industrial facility, insufficient information often leads to an unsatisfactory solution. While some stakeholders choose water-cooled chillers because they believe the cooling tower in these systems offers more efficiency, others prefer air-based cooling systems because of the less prohibitive upfront price. And with recent technological advances made in both air and water-based chilling systems, determining which option is the right fit has become even more challenging. To decide which system best suits a specific project’s needs, it’s important to understand the pros and cons associated with each option.

4 Ways to Minimize Legionella Risk

Knowing Who, What, When and Why

  • 26 February 2019
  • Author: Dominick Tuzzo
  • Number of views: 918
  • 0 Comments
4 Ways to Minimize Legionella Risk

Simply defined:  Risk Management is the process of identification, analysis, and either acceptance, or control of risks you’ve identified.

Deaerator Design and Operation

  • 12 February 2019
  • Author: Chem-Aqua, Inc
  • Number of views: 2791
  • 0 Comments
Deaerator Design and Operation

A deaerator preheats boiler feedwater and removes dissolved gases, especially oxygen and carbon dioxide. These gases are undesirable because they cause corrosion and increase treatment chemical requirements. 

Deaerators operate based on the reduced solubility of dissolved gases as temperature increases. For example, the solubility of oxygen decreases from about five ppm at 150ºF to about two ppm at 190ºF. Virtually all the free carbon dioxide gas is removed by increasing the temperature to greater than 170ºF.

Filtration Options for Closed Loop Systems

How they Apply to Different Types of Closed Loop Filtration

  • 4 December 2018
  • Author: Chem-Aqua, Inc
  • Number of views: 2749
  • 0 Comments
Filtration Options for Closed Loop Systems

Closed loop systems, typically hot and cold water recirculating systems, are often ignored when it comes to water treatment programs. Not only should closed loops be chemically treated to control corrosion and microbiological growth, they should also include a side-stream filter to remove suspended solids. 

Even though closed loop systems are theoretically “closed,” suspended solids can still be introduced as a result of corrosion, new construction, new additions to older systems, leaks, and poor commissioning practices. Turbidity or discoloration can be one sign of suspended solids.

How To Prepare Your Cooling Towers for Winter

Take Precautions to Avoid Issues

  • 20 November 2018
  • Author: Chem-Aqua, Inc
  • Number of views: 2201
  • 0 Comments
How To Prepare Your Cooling Towers for Winter

With the cooler months upon us, it is important to prepare your cooling towers for freezing temperatures.  Even in extremely icy conditions, cooling towers can be operated successfully if proper precautions and protocols are followed.  A frozen cooling tower is a major issue for business operations as well as from a cost standpoint.  Now is the time to prepare for winter weather.

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