Evapco Expands Line of Low-Charge Ammonia Chillers
The new units, with up to double the capacity of the original model, are designed for 0-35°F chilled-fluid temperatures but can be used for 44°F AC.
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M&M acquires Carnot in merger of leading natural refrigeration suppliers
Deal combines U.S. provider of industrial ammonia/CO2 systems and Canadian transcritical CO2 pioneer.
U.S. EPA settles with meat processor over ammonia violations
Kayem Foods Inc. agrees to pay $138,281 after refrigeration system is found out of compliance with Risk Management regulations.
Ammonia-absorption heat pump in U.S. tests
Stone Mountain Technologies plans to debut compressor-free home units, triggered by natural gas, in early 2021.
Vilter prepares for release of low-charge ammonia package
The Modular Rooftop Unit employs CO2 or glycol as a secondary fluid.
Should Grocers Fear Ammonia?
No, say the people involved in four of the five ammonia/CO2 systems installed at U.S. supermarkets.
Low-Charge Ammonia: Packaged or Central?
Two case studies from Canada show the differences between packaged and central systems.
IIAR creates guidelines for low-charge ammonia
ARM-LC is designed to help introduce the technology to more end users and enable them to install and operate it correctly.
Frick continues rollout of low-charge central system
Second installation is completed at Canadian cold-storage facility.
Three energy saving measures for the NH3 system of a pork facility
A pork processing plant in Minnesota, US has implemented three energy saving measures to its ammonia refrigeration system that cut annual electricity use by 4.35 million kWh. Measures included the addition of two evaporative condensers, new condenser controls and the installation of a dedicated bank of condensers to cool the compressor oil through natural convection rather than with a mechanical pump.
