15 Common Ammonia Safety Issues Your Refrigeration Personnel Can Control (And Correct)

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15 Common Ammonia Safety Issues Your Refrigeration Personnel Can Control (And Correct)

More changes are coming to the food and beverage industry as the U.S. Environmental Protection Agency (EPA) continues to crack down on ammonia safety.

The EPA has launched a three-year, nationwide enforcement and compliance initiative focused on reducing the risks of chemical releases from facilities that use extremely hazardous chemicals, including those that use ammonia as a refrigerant.

 

5 Types of Low-charge Refrigeration Systems

Packaged refrigeration equipment series

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5 Types of Low-charge Refrigeration Systems

After months of discussions and hours of negotiations, nearly 200 nations have now reached a deal to limit the use of greenhouse gases worldwide. In October, world leaders agreed to the deal that would gradually phase out the use of hydrofluorocarbons (HFCs) starting in 2019.

 

Natural Refrigerants: 5 Benefits of Packaged Refrigeration Systems

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refrigerated packaged equipment

There has been a push to take advantage of the benefits of ammonia while reducing the risks—and it has resulted in an innovative solution: low-charge packaged refrigeration systems that use ammonia and a secondary refrigerant (such as glycol). This allows facilities to reap the benefits of ammonia’s excellent thermodynamic properties while minimizing the charge and risk.

 

[Infographic] 6 Benefits of a CO2/NH3 Cascade System

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[Infographic] 6 Benefits of a CO2/NH3 Cascade System

CO2/NH3 cascade systems offer food processors a practical way to increase efficiency. By using two centralized refrigeration systems working in unison to provide cooling temperatures, they maximize the effect of carbon dioxide and ammonia. The high-temperature system pulls heat away from the low-temperature system, which in turn uses recirculated liquid to cool the evaporators.

Cascade systems that use CO2 as a secondary refrigerant offer unique advantages. Carbon dioxide is nontoxic and nonflammable, and is also less likely to damage food products in the event of a release. For food plant owners, CO2/NH3 cascade systems offer six key benefits, which are detailed below.

 

[Infographic] 2 Key Questions to Answer Before Your Packaged Refrigeration Equipment Installation

Packaged refrigeration equipment series

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[Infographic] 2 Key Questions to Answer Before Your Packaged Refrigeration Equipment Installation

For the past two weeks, we’ve discussed packaged refrigeration equipment: a system that uses ammonia or CO2 and a secondary refrigerant, allowing facilities to reap the benefits of ammonia while also minimizing the charge and risk. We’ve already reviewed the various ways these systems can benefit food processors and discussed the five different types of these low-charge chillers available. However, if you decide to introduce packaged refrigeration equipment into your food manufacturing plant, there are some key questions you must answer before installation to ensure an efficient, smooth installation process.

 

4 Common Misperceptions About Ammonia Processes

Takeaways from the Process Cooling webinar

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4 Common Misunderstandings About Ammonia Processes

Recently, Process Cooling hosted a fantastic webinar on ammonia safety, discussing practical advice for industrial refrigeration system operators. As ammonia usage continues to grow with the changing refrigeration landscape, it’s important for all of us to understand ways to keep our plants and personnel safe.

 

The Latest in Natural Refrigerants: ATMOsphere America 2015 Recap

5 key sessions from the annual refrigeration conference

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ATMOsphere America 2015 Recap: The latest in natural refrigerants

I recently joined hundreds of refrigeration stakeholders in Atlanta for ATMOsphere America 2015, an annual natural refrigerants conference. Stellar was among the 37 sponsors, and I among the group of 60-plus speakers, leading a presentation on the advantages of packaged refrigeration equipment. I also attended several sessions myself, leaving the conference with valuable takeaways on the refrigeration industry, including my favorites below:

 

[SlideShare] 3 Things to Know About the Changing Refrigeration Climate

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Did you tune in to our Food Engineering webinar last week? We discussed the changing refrigeration climate, including what you should know about revised compliance schedules, innovative refrigeration technologies and the pros and cons for each. You can check out our full presentation in the SlideShare provided below.

 

Refrigeration for the Future: Low-Charge Refrigerated Packaged Equipment

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Refrigeration for the Future: Low-Charge Refrigerated Packaged Equipment

Due to its phaseout, an alphabet soup of replacement refrigerants has been developed to replace R-22 in existing chillers. However, most of these alternatives have drawbacks. Some replacements severely penalize the performance of the chiller, while others have significant glide—and all have higher global warming potential than ammonia. And though these refrigerants may not be on the Environmental Protection Agency’s (EPA) phaseout list yet, they have the potential to be. As new chillers rise to replace the old, ammonia is one refrigerant that has become an effective alternative.

 

Distributed Refrigeration: The Benefits of Ammonia Refrigeration Without the Risk

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Distributed Refrigeration: The Benefits of Ammonia Refrigeration Without the Risk

The majority of industrial refrigeration systems in the U.S. are central-station ammonia systems—the backbone of the food and beverage industry. For over 100 years, these ammonia systems have dominated the industry because they not only have superior thermos-physical properties, but also because they’re environmentally friendly. Ammonia has a global warming potential (GWP) and ozone depletion potential (ODP) of zero.