Although there are already studies in the literature but not much , the use of potassium formate/water or potassium formate+LiBr/Water are not available in the commercial sector for absorption refrigeration systems? what is the actual reason ?
Dear Cenker Aktemur I found a report on the use of potassium formate/water (see attached) in which some severe corrosion problems were observed. They are listed on p. 21 of this report:
Besides very good results in thermal aspect, Freezium and Pekasol 50 exhibits some problems in material compatibility. This could be summarized as:
- We have observed very aggressive reaction to zinc;
- Copper pipes in contact with copper were covered by blue/green (somewhere some white layers formed at the top of this coating);
- All steel surfaces where coating was damaged corroded significantly;
- Some gaskets in valves were damaged and valves leaked.
This is mostly used for Computed tomography purposes. This can be found with special approvals.
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