Gas injection system and method for wastewater treatment
The use of hydrophobic microporous hollow core membranes or fibers for direct oxygen transfer in wastewater treatment addresses inefficiencies in conventional systems, enhancing oxygen saturation and reducing energy consumption, thereby improving capacity and efficiency.
JP2025524243APending Publication Date: 2025-07-25PROSPER TECHNOLOGIES LLC
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Patent Information
- Application Number
- JP2025525570
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2022-07-15
- Filing Date
- 2023-07-12
- Publication Date
- 2025-07-25
AI Technical Summary
Technical Problem
Conventional wastewater treatment systems face inefficiencies in oxygen delivery, leading to high energy consumption, significant oxygen loss, and capacity limitations, particularly during sudden increases in wastewater flow.
Method used
A system utilizing hydrophobic microporous hollow core membranes or fibers to transfer pressurized oxygen directly into wastewater without bubbles, enhancing oxygen saturation and reducing energy consumption.
Benefits of technology
The system increases oxygen availability, reduces energy use, minimizes bubble loss, and allows for flexible capacity expansion while maintaining efficient biochemical oxygen demand reduction.
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Smart Images
Figure 2025524243000001_ABST
Abstract
This application relates to a system and method for treating a liquid, in which an oxygen injection system is used to supersaturate the liquid, and oxygen is transferred to the liquid without containing oxygen bubbles. The oxygen injection system can include an eductor without moving parts, and the eductor pumps the liquid through a plurality of gas injection modules, driving the flow of the liquid from the bottom of the gas injection tank towards the top of the gas injection tank, whereby at least a part of the liquid is configured to flow from the lower ends of the plurality of gas injection modules to the upper ends of the plurality of gas injection modules.
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