What Is Jarikko Purification System? Comparison to Activated Sludge Method River Purification Lake Purification Industrial Wastewater Treatment Community Plant Treatment About Aquatech Contact Us		Excavation A concrete tank would obstruct the running water, if an unexpected flooding occurred. Aeration of the Entire Cross Section Depending on the concentration of BOD, the aeration quantity changes, however, the aeration is always done over the entire cross section. A sludge removal is unnecessary. Inorganic matter in the river water is always outflowed. Water blowers are used so that a control tower is unnecessary. Sludge Removal and Sludge Treatment Unnecessary. Denitrification Starts happening. Water Gathering Facility Should be built with soil-sand-proofs and garbage-proofs. Specifications BOD: Below 20mg/l Actual Retention Time: 0.5h Aeration: 0.5m3/m2・h Flow-Down Distance: 5m BOD: Over 30mg/l Actual Retention Time: Over 1.0h Aeration: Over 1m3/m2・h Flow-Down Distance: 10-15m Place Operating Organization BOD (mg/l) Raw Water Purified Water Removal Rate (%) Akigawa River (Wastewater Way) Akiruno City 58.3 5.8 90.1 Ayase River (Souka Facility) Edo River Office 9.8 1.0 89.8 Ayase River (Koshigaya Facility) Edo River Office 7.2 2.0 71.8 Hato River Kanagawa Prefecture 8.4 1.5 82.1 Misato River Abashiri Development Construction Office 27.8 5.9 78.8 Shinsaka River Chiba Prefecture 16.6 1.3 92.2 Ousui River Fujiidera City 38.2 7.3 80.9 Wase River Kouchi River Office 18.7 2.9 84.5 Kyu-Shiba River (Midori #1) Saitama Prefecture 32.0 4.2 86.9 Kyu-Shiba River (Midori #2) Saitama Prefecture 17.0 4.3 74.7 Shinma River Chiba Prefecture 54.3 14.7 72.9 Denu River Saitama Prefecture 36.0 2.2 93.9 Enga River Enga River Office 12.0 5.0 59.0 Saijo River Osaka Prefecture 70.0 17.5 75.0 Otayaba River Gunma Prefecture 40.3 3.8 90.6 Ishide River Matsuyama River Office 6.9 3.3 52.2 Hyakken River Okayama River Office 20.7 3.1 85.0 Shitayumisaku River Chikugo River Office 32.6 6.5 80.1 Furou River Saitama Prefecture In Construction Yaba River Tochigi Prefecture In Construction

Copyright (c) 2003 Aquatech, Ltd. All Rights Reserved.