|
|
|
 |
|
|
|
A Jarikko is made of gravel, measuring 20-30mm in length, put together into a globe which is 10cm in diameter.
|
|
Compression Strength
|
Over 200kgf
|
Space Ratio
|
Over 60%
|
Diameter
|
10cm
|
|
※ Patents registered in [Japan／Korea／China／Taiwan／US／Canada／EU（6 Nations)]
|
|
|
|
Because of Ryuri (a phenomenon of solids, specific gravity 1.05, flowing from the faster current to the slower current and accumulating in the water flowing environment) solid organic matter in the wastewater accumulates inside of a Jarikko. Therefore, the water (liquid) of the wastewater outflows by the hour and the solid organic matter (solids) of the wastewater is held inside of the Jarikko at first and then outflows in 10 to 30 days.
The solid organic matter inside of the Jarikko is liquidized under the anaerobic reducing condition and then outflows by itself. And then, new solid organic matter flows into the now-opened inside of the Jarikko. This action keeps repeating inside of the Jarikko.
|
|
|
|
|
|
|
|
|
Activated Sludge Method and Contact Oxidation Method have the space ratio of 95-100%. Therefore, a reaction tank is always in the equal environment of aerobic condition.
The space ration between Jarikkos is 40% and aeration pipes are placed 40cm apart, therefore, the flow above and between aeration pipes is differentiated into a small and a large flow. Moreover, the surface and the inside of the Jarikko have a different flow, therefore, many different environment can be created.
|
|
|
|
|
|
|
When the wastewater which consumes large amount of oxygen passes through a Jarikko tank, it supplies oxygen at large flow environment and consumes oxygen at small flow environment. As a result, aerobic, anaerobic, and reducing conditions start happening. Reduced decomposition of BOD & SS also starts happening, and at the same time, nitrification and denitrification start happening.
|
|
|
|
|
|
|
