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Content archived on 2024-05-14

LiBr absorption chiller for buildings air conditioning with efficient flexible operation

Objective



1/ PROJECT OBJECTIVES AND SCIENTIFICAL TARGETS

Development of a European altemative for large gas fired or exhaust gas cogenerated LiBr absorption chiller heater to be integrated into buildings with following competitive advantages:

Thermal efficiency

Through modifications introduced into the standard thermal cycle:
- 25% improvement of the COP with subsequent primary energy saving - high efficiency operation from 10% to 100% load

Water consumption

Through separation of the absorber and condenser cooling circuits, development of a hybrid cooling tower:

- 50% reduction of water consumption

Benign impact on the environment

- 25% reduction of C02 emission at full load operation related to primary energy saving,
- down to 50% reduction of C02 emission at partial load,
- no water vapor wreath.

Integrability

- adaptable to cogeneration applications,
- adaptable to various chilled water circuits conditions,
- minimised overall dimensions,
- improved integrability of cooling water tower,
- conformity to European standards for buildings.

2/PARTNERS AND MAIN TASKS

Organisation Type Role Country

1) ENTROPIE Ind1 C FR
2) ZAE Ror2 P DE
3) CATHERINE Ind1 P FR
4) BG/PLC Ind7 P GB
5) GN Ind6 P ES

Company activity RTD function in project

1) Engineering Study, system design, tests 2) Research laboratory Study, model, tests
3) Manufacturer Detailed design, manufacturing 4) Gas distributor North Basic design LiBr regenerator 5) Gas distributor South Basic design hybrid tower
3/ SCHEDULE AND BUDGET

Schedule : 30 months
Total budget : 2025 kECUs, 187.5 man-months and 83 kECUs equipment
4/ EXPECTED ECONOMICAL IMPACTS AFTER 5 YEARS

Partners : 26.6 kECUs, Others: 12.65 MECUs + 7.5 MECUs gas sales

Call for proposal

Data not available

Coordinator

Entropie SA
EU contribution
No data
Address
17,17 Rue Thiers
78103 Saint-Germain-en-Laye
France

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Total cost
No data

Participants (3)