What chemical changes can ultrasonic sonication equipment play?
As a physical tool and tool, ultrasonic chemical treatment technology can produce a series of near-extreme conditions in a chemical reaction medium. This energy can not only stimulate or promote many chemical reactions, accelerate the speed of chemical reactions, and even change some The direction of these chemical reactions produces some unexpected effects and miracles, which is ultrasonic chemistry. Ultrasonic chemistry can be applied to almost all chemical reactions such as extraction and separation, synthesis and degradation, biodiesel production, microbial treatment, degradation of toxic organic pollutants, biodegradation treatment, biological cell comminution, dispersion and condensation. Ultrasonic sonochemical equipment also has the outstanding advantage that it has no moving parts, no electromagnetic radiation, and is easy to install and fix. It is especially suitable for high pressure, high temperature, toxic and explosive environments. Another application of ultrasonic sonochemical equipment is in the field of sewage treatment and scale prevention and descaling. Many experts and scholars have done a lot of research and experiments, which proves that ultrasonic is very effective in anti-scaling and descaling of pipelines and equipment.
Ultrasonic has been widely used in the industrial manufacturing industry, such as ultrasonic welding machines, ultrasonic plastic welding machines, ultrasonic cleaning machines, etc. The laws of reflection, refraction, diffraction, and scattering of ultrasonic waves in the medium are not fundamentally different from the laws of audible sound waves. But the wavelength of the ultrasound is very short, only a few centimeters, or even a few thousandths of a millimeter.
The action of the ultrasonic waves of an ultrasonic welder can cause certain chemical reactions to occur or accelerate.
1. Pure distilled water is subjected to ultrasonic treatment to produce hydrogen peroxide;
2. The water dissolved in nitrogen is subjected to ultrasonic treatment to produce nitrous acid;
3. The dye aqueous solution will change color or fade after ultrasonic treatment.
The occurrence of these phenomena is always accompanied by cavitation. Ultrasound also accelerates the hydrolysis, decomposition, and polymerization of many chemicals. Ultrasound also has a significant impact on photochemical and electrochemical processes. After sonication of the aqueous solutions of various amino acids and other organic substances, the characteristic absorption band disappears and a uniform general absorption, indicating that the cavitation changes the molecular structure.