【River and Lake Purification】Increase the DO at the bottom of the water to break the cycle of bad odors and sludge!
High Concentration Gas Dissolution Device - Oxygen Fighter
Eliminate the DO deficiency at the bottom of the water! Aerobic decomposition of sludge with the high-concentration gas dissolution device "Oxygen Fighter."
In the purification of rivers and lakes, the biggest challenge is securing the dissolved oxygen (DO) at the bottom of the water. When DO is insufficient at the bottom, anaerobic microorganisms become dominant, leading to the decay of organic matter, which produces sludge and foul odors. If left unchecked, the habitat for aquatic organisms collapses, resulting in a vicious cycle of increased sludge accumulation due to decreased self-purification. The solution to break this vicious cycle is the high-concentration gas dissolution device "Oxygen Fighter." 【Main Features】 Significantly reduces bubble loss: Unlike conventional aeration, it dissolves oxygen at a high concentration with almost no bubbles. (DO during 1 pass: 20–25 mg/L) Direct supply to the bottom: It directly supplies high-concentration oxygenated water to the bottom, where oxygen is most needed. 【Implementation Effects】 Promotes sludge decomposition: It transforms the environment into an aerobic one, activating aerobic microorganisms to decompose sludge organically. Restores the ecosystem: It suppresses foul odors and harmful substances, promotes the growth and photosynthesis of aquatic plants, and creates an environment conducive to the growth of aquatic organisms. The Oxygen Fighter establishes an environment for the food chain that starts with microorganisms, fundamentally resolves sludge accumulation, and realizes the restoration of a healthy water environment.
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basic information
We have a total of 20 models with a maximum flow rate ranging from 60L/min to 5000L/min, including both fresh and seawater. Our company sets the performance standard for dissolved concentration at 20.0mg/L to 25.0mg/L during one pass (water flow). We will suggest the appropriate model selection based on the required oxygen amount, so please feel free to contact us first.
Price information
The price varies depending on the specifications of the device, so please feel free to contact us.
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Applications/Examples of results
○ River and Lake Purification - Implementation of river and lake purification projects both domestically and internationally - Adoption of JICA projects ○ Aquaculture Vannamei shrimp and Kuruma shrimp
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At Daiei Manufacturing Co., Ltd., Environmental Division, we propose a high-concentration oxygen dissolution device as an alternative to conventional aeration methods. We aim to contribute to the establishment of a healthy social environment by utilizing this oxygen dissolution technology. In rivers and lakes, we create a saturated dissolved oxygen state near the bottom, promoting the activation of aerobic microbial communities. In industrial wastewater, high concentrations of dissolved oxygen have also made it possible to address high-load, high-density activated sludge (microorganisms). It is also used for the dissolution of gases other than oxygen.


