Logo RAS - New

Logo RAS - New

July 15, 2009

Alternatives for CFC



Chillers



* HFC 134a and R- 404 A mainly use in chillers with screw and scroll compressor ( 350 -30,000 kW capacity)

* HCF 123yf is similar in characteristic with HFC 134a
( have a potential for application in screw and centrifugal chillers )

* Ammonia
( 20 -10,000kW range)

* Propane (HC -290) is used in chillers in both industrial
and
larger buildings in Europe. In case of larger buildings,
units consist of
parallel modules with separated propane
charges (no centrifugals)



No comments:

Post a Comment

Terima kasih kerana mengikut blog ini.
Daftarlah sebagai ahli Rakan Alam Sekitar sekarang!

KEMPEN KITAR SEMULA E-WASTE

Tahukah Anda ?



Kebanyakan mentol lampu, samada jenis pijar (incandent), berpendaflour (fluorescent) ataupun berpendaflour kompak mempunyai sedikit cecair merkuri dan bahan kimia berbahaya lain yang boleh mencemarkan tanah dan air bawah tanah.


Opportunity Green