Method and apparatus for energy efficient self-aeration in chemical, biochemical, and wastewater treatment processes

Patent · Tue May 28 00:00:00 EDT 2002

OSTI ID:874459

Gao, Johnway ^[1]; Skeen, Rodney S ^[2]

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1. Richland, WA
2. Pendleton, OR

The present invention is a pulse spilling self-aerator (PSSA) that has the potential to greatly lower the installation, operation, and maintenance cost associated with aerating and mixing aqueous solutions. Currently, large quantities of low-pressure air are required in aeration systems to support many biochemical production processes and wastewater treatment plants. Oxygen is traditionally supplied and mixed by a compressor or blower and a mechanical agitator. These systems have high-energy requirements and high installation and maintenance costs. The PSSA provides a mixing and aeration capability that can increase operational efficiency and reduce overall cost.

• Research Organization: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC06-76RL01830
• Assignee: Battelle Memorial Institute (Richland, WA)
• Patent Number(s): 6,395,175
• OSTI ID: 874459
• Country of Publication: United States
• Language: English

Related Subjects

method
apparatus
energy
efficient
self-aeration
chemical
biochemical
wastewater
treatment
processes
pulse
spilling
self-aerator
pssa
potential
greatly
installation
operation
maintenance
cost
associated
aerating
mixing
aqueous
solutions
currently
quantities
low-pressure
air
required
aeration
systems
support
production
plants
oxygen
traditionally
supplied
mixed
compressor
blower
mechanical
agitator
high-energy
requirements
costs
provides
capability
increase
operational
efficiency
reduce
overall
aqueous solution
treatment process
water treatment
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