Ammonia refrigeration - Page 6

Participants for a discussion on natural refrigerants at Atmosphere America

Sustainable Refrigeration is Only ‘Natural’

New Refrigerants Still Need Careful Control, Simplicity

September 2, 2013

The purpose of the Atmosphere America event in Washington, D.C., this past summer was to present a business case for the so-called natural refrigerants.

Aug. 2, 2013: Low-Charge Ammonia Refrigeration Systems Introduced

Products Include Ammonia Chillers and Freezers for the U.S. Market

August 2, 2013

No Comments

Star Refrigeration has introduced its range of low-charge ammonia chillers and freezers — the Azanechiller and Azanefreezer — that the company said are specifically designed to meet the needs of the United States market.

Dave Malinauskas of Cimco Refrigeration, Toronto, served as one of the presenters during the IIAR conference. His topic was transcritical CO2 in ice rinks.

Papers Ponder Ammonia, Heat Transfer

Ongoing Developments Regarding Natural Refrigerants and Continued Commitment to Refrigeration Basics

Peter Powell

July 15, 2013

No Comments

Making ammonia work in traditional HFC territory, trying transcritical CO2 systems in ice rinks, and examining ways to apply refrigeration principles to heat transfer rates were just three topics of 13 papers (five in Spanish) presented at the most recent Industrial Refrigeration Conference and Expo.

Marc Chasserot, managing director for Shecco, discusses trends in natural refrigerants during an IIAR panel session.

Seeking to Smooth Out Natural Refrigerants’ Rocky Road

IIAR Conference Addresses Path to Natural Refrigerants

Peter Powell

May 6, 2013

No Comments

The road to natural refrigerants is a rocky one. There is much talk, but not a lot of action. However, this sector is certainly expanding.

Tyson Foods Settlement with EPA Addresses Multiple Releases of Ammonia

April 22, 2013

No Comments

On April 5, the U.S. Environmental Protection Agency (EPA) and U.S. Department of Justice announced a Clean Air Act settlement with Tyson Foods Inc. and several of its affiliates to address threats of accidental chemical releases after anhydrous ammonia was released during incidents at facilities in Kansas, Missouri, Iowa, and Nebraska.

Awaiting the Natural Refrigerant Revolution

Peter Powell

April 15, 2013

5 Comments

Inroads regarding natural refrigerants have been reported — and will continue to be reported — in The NEWS. I recently returned from the International Institute of Ammonia Refrigeration (IIAR) Conference in Colorado Springs where ‘natural’ was — naturally — the topic.

Bitzer U.S. Inc.: Ammonia Industrial Refrigeration Packages

March 11, 2013

No Comments

A line of ammonia industrial refrigeration packages ranges from motor-compressor combinations on rails to complete rotary screw compressor packages. The NH3 screw compressors are available in 20-300 hp.

Beyond or Beside HFCs

Peter Powell

December 3, 2012

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My column in the Nov. 12 issue of The NEWS focused on HFCs, especially low GWP HFCs as retrofits for R-22 systems. This column will focus on what I used to call “beyond HFC” refrigerants, although these days, the term might be “other than HFC” refrigerants.

Refrigeration Uses Heat Pumps, Ammonia

Peter Powell

November 12, 2012

No Comments

The expanding applications for ammonia in commercial refrigeration are being demonstrated in several recent projects involving heat pumps. What constitutes one possibility for efficient management of heat energy?

Focusing on Natural Refrigerants

Peter Powell

October 22, 2012

No Comments

The significance of a recent two-day conference was not only the extensive presentations regarding natural refrigerants such as CO2, HCs, and ammonia, but where the meeting was held — Washington, D.C.