Ammonia Refrigeration Technology

for Today and Tomorrow

International Conference
- Ohrid 2007 -

"Final Programme.pdf" (download)

Keynote Speakers

Anders Linborg, Sweden,
Ammonia Partnership AB
Honorary member of IIR Commission D1
"The Future for Ammonia
as a Refrigerant"

Dr Predrag Hrnjak, USA,
University of Illinois
Secretary of IIR Commission E2,
IIAR Board of Directors
"Heat Transfer Issues in NH3 and CO2"

Andy Pearson, UK,
Star Refrigeration Ltd
Member of IIR Commission E1,
IIAR Board of Directors
"Extending the Life of Ammonia Systems"

Dr Bjorn Palm, Sweden,
Royal Institute of Technology
Vice-President of IIR Commission B1
"Ammonia in Small Refrigeration
and Heat Pump Systems"

Dr Lambert Kuijpers, Netherlands,
Technical University Eindhoven
Co-chair UNEP TEAP /
Refrigeration Committee; IPCC AR4
"Aspects involved in the replacement of refrigerants by low GWP gases"

Dr Zahid Ayub, USA,
Isotherm Inc.
ASHRAE Research Committee
Member of IIR Commission B2
"Current and Future Prospects of Enhanced
Heat Transfer in Ammonia Systems"

Invited lecture on news in the standard EN 378


Bernhard Schrempf, Germany,
TUV SUD Industrie Service GmbH
Member of IIR Commission D2
Chairman of TC-182 of European Committee for standardization
"Revision of the Standard EN 378 and
the Refrigerant Ammonia"


Design of modern ammonia systems and technological innovation
Current and future use of natural refrigerants
Low charge NH3 technology, factory-made units, systems at a new level of quality improvement
Plate type heat exchangers; Direct expansion of ammonia systems
Expansion in applications with lower size capacity; Test of components (especially compressors)
Compatibility of ammonia and metals; Ammonia and (miscible) oils for small DX systems

Energy efficiency of ammonia refrigeration
Comparison: ammonia and fluorocarbon-based systems
Ammonia - indirect cooling compared with direct evaporation of HCFCs and HFCs
NH3/CO2 and other cascade systems

Applications of ammonia refrigeration
Cold stores, Agro-food industries, Supermarkets, Air-conditioning systems, Heat Pumps

Ammonia systems in developing countries
Renewal and improvements, technical assistance
Replacing of old refrigeration equipment in the context of substantial energy savings

Technical and safety standards
Regulations on the construction and operation of ammonia refrigerating systems

Guidelines, instructions and training materials
Education and training for: best practices, operating procedures, handling of ammonia and safe operation

Public awareness of the image and benefits of natural refrigerants
Crucial and sustainable contributions to a better environment; Barriers to market penetration

Presentation and moderation by:

Brian Marriott
, USA,
York America
IIAR Board of Directors
"Designing for Operation of
Ammonia Systems"

Gert Koster, Netherlands,
Grasso International B.V.
IIR Commission B2
"Maintenance of Refrigerating Plants:
Costs or Savings?"