Nanoreactors are some static equipment that base their operating principle on hydrodynamic cavitation. This is a radically new industrial process, patented by the US company Cavitation Technologies, Inc. CTI is a company dedicated to the development and application of new technology for processing liquids in many industrial fields.
Cavitation process is widely known in engineering and has sought to be avoided by its particularly adverse effect on the hydraulic machines. Now is the time to employ this harmful effect in many cases for our own benefit. We are going to provoke cavitation of a fluid with very specific industrial purposes.
These devices are based on the generation of unsteady flows and impact hydrodynamic modes on the fluid that is passing through them. These modes are characterized by intense turbulence, vortex formation and development of cavitation.
Turbulent flow will induce the formation of vortices and speed, pressure and temperature pulsations will lead to cavitation. This occurs when gas bubbles are formed after reaching local saturation conditions in the fluid.
The cavitation bubble size can reach up to 100 nm, the pressure and temperature of gas in the bubble will be around 100 MPa and 10,000 K, this event does not last more than 10 nanoseconds. After the collapse of the first bubble, it splits into new cavitation bubbles. Such micro and nano bubbles have some remarkable effects: pressure pulsations, accused velocity gradients, polarization and electrolyzing, plasmolysis, sonoluminescence and molecular breakdown.
The device combines two areas sequentially, in the first one cavitation is generated by elements that promote turbulence and vortex generation, the second zone corresponds to the collapse of bubbles generated in which high pressure pulsations occur.
Once the product passes through the nanocavitador it suffers different physicochemical phenomena: chemical effects (sonochemical reactions), erosion and thinning of the solid particles (surface damage), dispersion (disintegration of solid particles in a liquid), emulsion (mixing and homogenization of immiscible liquids), acceleration of mass transfer processes (dissolution, extraction, absorption-desorption) and breakdown at a molecular scale among others.
As this is a static device, the maintenance of any moving part or mechanical seal is not necessary
High strength and integrity
Ability to work under high pressure and temperature
Designed to work with toxic and flammable fluids
High performance compact device
Able to operate with very different fluid viscosity
TECNIDOS has developed a pilot plant equipped with nano hydrodynamic cavitation technology in order to carry out research and find out new applications that can lead to an eficiency increase.
This is a system that pumps fluid through the cavitator in different pressure ranges. The fluid begins to cavitate (depending on product characteristics) about 30 or 60 bars, at this point is where the system begin to produce the desired physico-chemical effects for our industrial purposes.
Our design reaches regime pressures about 125 bars. Since the nano-cavitator output is at atmospheric pressure the delta pressure results in a large energy input that is transmitted to the fluid resulting in cavitation, sonoluminiscencia, molecular ionization and molecular fragmentation among others. The product temperature will not be altered significantly except the fluid is repeatedly recirculated.
Hydrodynamic cavitation effect is basically instantaneous and its effectiveness has been proven in applications such as oil and refining (API density & viscosity improve, cracking, pumping costs savings, etc.), disinfection and sterilization (bacteria destruction such as Salmonella, Listeria and E. coli), improved ratios of extraction, absorption-desorption besides increasing the quality of food products especially wine (taste improvements, color and smoothness of the final product).
TECNIDOS Has built this pilot plant with the purpose of further research in the field of nano-hydrodynamic cavitation and use its potential applications in many scientific and industrial fields. Day by day they are discovering and developing new and powerful applications for this type of nano-reactors that lead to a higher quality final product than those achieved in conventional processes.
If you think hydrodynamic cavitation can be useful for your process, in TECNIDOS we will be happy to help you. We can perform cavitation tests with your products so you can analyze the effects nano-cavitation can bring to you.