MicroNano bubbles for water treatment. Invented, Developed and Widely used in Japan
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1 MicroNano bubbles for water treatment Invented, Developed and Widely used in Japan
2 What are Micronano Bubbles? Very small gas bubbles. The diameter of micronano bubbles has not yet been defined. It seems appropriate to consider gas bubbles <50 microns as micronano bubbles.
3 Advantages of Nanobubbles Very High Oxygen Transfer Efficiency due to: Large surface area. Longer duration of contact with water 1) Very Low buoyant force on the air bubble Hence bubbles do not rise to the surface immediately like fine bubbles. 2) Nanobubbles eventually sink to the bottom.
4 Micro Bubble to Nano Bubble Bubble Diameter No. of bubbles Volume (cu. mm.) Surface Area (sq. mm.) Factor Increase 1 mm = 1000 microns microns microns microns 1,000,
5 How are micronano bubbles created? 1) Swirl Type Liquid Flow Method Gas Transfer Efficiency: 65% Size Limitation: upto 3 inches Running Cost: 11KW/10L/min Fairly low bubble number density 2) High Pressure Dissolution Method High Pressure Pump Required Size Limitation Bubbles generated through nucleation and cavitation through sudden depressurization of the system 3) Ejector Method Gas Transfer Efficiency: 35% High Pressure Pump Required Size Limitation: upto 2 inches Running Cost: 15KW/10L/min 4) HoneyComb Method Gas Transfer Efficiency: 35% Complex Structure High Pressure Pump Required Size Limitation: upto 2 inches Running Cost: 18KW/10L/min
6 5) Static Line Mixer High Pressure Pump required Need auxiliary systems for functioning Low gas transfer efficiency 6) Ultrafine Pore Method Simple construction and working No size limitation Lowest power requirement Low operating cost: 0.75 KW/10L/min Gas Transfer Efficiency: 90% Ultrafine pore Nanobubble Generator Tube
7 How we create micronano bubbles? Bubble Generating Medium Rigid carbon ceramic compund High density material Electrically conductive Hence negatively charged ions tend to range on the surface. Inorganic no damage or degradation
8 Micro Bubbles are discharged from the nano pores of the nanobubble generator into liquid
9 The bubbles would not coalesce because 1) The super micro bubbles separates from the bubble generation medium as soon as they are generated. 2) The bubbles generated become negatively charged by receiving the negatively charged ions from the surface of the Nanobubble Generator.
10 Micro Bubble to Nano Bubble Bubbles with a smaller diameter than 50 microns get compressed by ions at the gas liquid interface.
11 Micro Bubble to Nano Bubble MicroNano bubbles, due to lower buoyancy, do not rise to the water surface, rather float across various levels and eventually sink to the floor of the bed. This makes the oxygen deficient lower layers of water into an oxygen rich environment. This makes bacteria grow and accelerate breaking down of the organic matter
12 Advantages of our method The Micropore type Microbubble Generating Unit that we have developed, the first in the world, can provide micronano bubbles using very low energy consumption. Required pressure difference between gas and liquid: 1 bar to 2 bar. Required liquid flow rate: 1m/sec Gas transfer efficiency of 90% or more of any gas into any liquid. Volume of air required compared with fine bubble aeration: Approximately 25%.
13
14 Advantages
15 Applications
16 Applications around the world excluding Japan UK Waste water trials, Public space sanitisation using ozone, Hydroponics, Animal facility cleaning. USA lake cleaning, cost reduction on ozone making machines, waste water treatment plants, swimming pool cleaning, aquarium cleaning, aquaculture (prawns and oyster farming), explosives for mining industry, food industry and algae food supplements. CANADA waste water treatment plant, bath and shower treatments using CO2, remote site (mining communities) waste processing INDIA ferric leaching for copper industry, salmon farming and salmon fry transportation SOUTH AMERICA waste water plants and swimming pool cleaning AUSTRALIA irrigation for agriculture, hydroponics and animal process plant sterilisation and waste control HOLLAND & SCANDANAVIA water cleaning and aquaculture EASTERN EUROPE waste water plants and swimming pool cleaning
17 Latest models Smallest & Largest
18 Thank you For more details, please contact us at LENY SAMUEL JACOB POWER
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