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Energy-Saving
Air Conditioning System Using Hydrate Slurry |
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The world’s first hydrate
slurry, developed by our company, is a new thermal/cryogenic
medium that can replace chilled water. Compared to conventional
chilled water air conditioning systems, ours offers substantial
energy conservation.
Hydrate slurry is a mixed fluid consisting of an aqueous
solution and particles of clathrate hydrate that holds
latent heat within the same temperature range (5-12°C)
as chilled water used in air conditioning. With a temperature
density that is more than double that of chilled water,
transfer flow is cut by more than half. As a result, transfer
power can be reduced by up to one-fifth and heat storage
tank size can be decreased by more than half. In addition,
as the production temperature is higher than that of ice,
hydrate slurry can be used not only for freezing equipment
using electricity and gas, but also for those using exhaust
heat from industrial plants.
As efforts to protect the global environment increase,
hydrate slurry, as an energy-saving technology, is expected
to greatly contribute to consumer energy conservation
and carbon dioxide reduction. |
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| Hydrate Slurry |
Example of a system |
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Natural
Gas Transportation and Storage System via Natural Gas
Hydrate (NGH)
Natural gas hydrate (NGH) is an ice-shaped substance that
holds about 170-times the volume of natural gas within
its cage-like structure composed of water molecules. Compared
to transportation via liquefied natural gas, or LNG, (storage
temperature: -162°C, NGH enables long-term storage
at -15°C under atmospheric pressure, allowing for
lower-cost transportation and storage facilities. For
this reason, expectations are growing that NGH will play
a crucial role in the economical development of smaller,
untapped gas fields existing in large numbers in Southeast
Asia. We are conducting research on natural gas transportation
and storage systems with a focus on our proprietary high-speed
NGH production technology. |
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| Natural gas hydrate |
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