CO2-ammonia ice rink installed in Sweden Ammonia21, June 29, 2017 The T3 Center – an ice hockey arena that hosts Swedish 2nd division team Björklöven in Umeå, northern Sweden – has retrofitted its ammonia refrigeration system with a CO2-ammonium hydroxide system. The existing ammonia system was retrofitted with “ammonium hydroxide [as the secondary refrigerant, which]…
Low-Charge Ammonia Systems for Industrial Applications Praised
Low-charge ammonia’s benefits praised by end users and contractor Ammonia21, Jun 07, 2017 Panelists praised the benefits of low-charge ammonia systems for industrial applications while describing several ways of managing safety and maintenance on day two of ATMOsphere America in San Diego. Michael Lynch, vice-president of engineering, United States Cold Storage (USCS), talked about the lessons…
Refrigeration
Environmental Regulations Innovate Refrigeration Design
Case History: Safer, Eco-Friendly System for Food Cooling Food Processing, October 26, 2015. Image credit: Sonny W. Cooling system designs in the food and beverage market are undergoing rapid change, mainly due to environmental regulations. Processors are trying to reduce refrigerant charge or to eliminate certain types of refrigerants completely, especially ones that can endanger workers…
Process
Ammonia-based Battery: Converting Waste Heat into Electricity
As modern power generation methods are designed to squeeze the most power from the least amount of fuel, engineers are constantly looking at techniques to improve efficiency. One way to achieve this is to scavenge waste energy left over from the production process to capture and convert low-grade heat into usable energy.
Refrigeration
New Packaged & Compact Ammonia Plant
With a footprint of only 700 x 1800mm, the PAM package has a refrigeration capacity of 82kW at -20ºC and 40kW at -35ºC and 30ºC condensing. The package with an overall height of only 1600mm has a Bitzer…