| |
Freshwater Ice |
Seawater Ice |
Evap. Temperature
|
Evaporator operating at -5F |
Evaporator operating @ -30F |
Refrigeration Requirement
|
requires 17,050 Btu/Hr @ -5F |
requires 17,000 BTU/HR @ -30F |
Ice Quality
|
Ice is dry, crisp, |
Ice is wet, soft |
Ice Handling
|
Easy to move |
somewhat easy to move, may be pumped. |
Ice Storage
|
Easy to store |
stored in Vats (sealed) storage bins /
tanks. |
| Advantages |
freshwater ice will not freeze product. |
colder temperature lasts longer extending shelf life.
|
| Less refrigeration required per ton of ice
produced. |
can be produced where shortages of freshwater, or freshwater is too
expensive.
|
| Freshwater ice does not add salt content
into fish. |
|
| Disadvantages |
Freshwater may be expensive, or in short
supply. |
lower temperature of seawater ice May freeze some products.
|
| |
Salt may be absorbed into some species of fish.
|
