Ultrasonic effect on material and the usefulness of different physical and chemical process is a resolution by the acoustic oscillation natural instinct, the spread of the oscillation is shake process, its speed, more accurately, the sound waves upon the condition of medium shake speed: 104 ~ 108 hz in addition to the oscillation frequency and amplitude of skarn, other ShengYang parameters such as medium particle acceleration, acoustic oscillation strength, alternating pressure induced by intense acoustic oscillation, and secondary effects such as wind, acoustic radiation pressure, etc., as well as the effect of ultrasonic cavitation effect on the material and the Q has a significant impact on physical and chemical process.

    Ultrasonic effect on the leaching process in hydrometallurgy leaching process is a kind of liquid-solid reaction a. although have gas in some leaching process, but in the practice is gas dissolved in the liquid (a process that soon), and then the effect of dissolved gas and solid in the solution, in essence, is still a liquid solid reaction.As leaching liquid-solid reaction has three conditions: soluble in water, and solid phase decreases with the reaction to the shape of the scale until completely disappear.This response is referred to as "not echo the reduction type".

    For example: products for solid, that does not response to nuclear and binds to its general formula can be represented as A + B (q) -p such as white tungsten acid decomposition reaction: and the solid reaction of abuse of A component is selectively dissolved only, such as acid leaching reaction of ilmenite, solid state reaction material distractions embedded throughout not echo in the gangue substrates, such as ore leaching.Gangue matrix in general have a cavity and ultrasonic influences in the process of leaching practice, oro, (Orlov) made with ultrasonic and without mixing sulfuric acid leaching of copper oxide comparison research, results indicate that the leaching rate of reach the same, need not the leaching time of the ultrasonic is about using ultrasonic leaching time 12 times.Domestic also have related, experimental parameters are shown in table 2. The experiment is in a     cylindrical volume of 100 ml glass container, mixing impeller radius of 25 mm, the experiment, the mixing speed at 200 r/min.Experimental results see, 2 and 3. The results indicate that the use of ultrasonic, the same as the copper leaching rate time used for not 1/6 of the time used in the application (min cuts from 120 to 20 min);Marked for leaching the material of the particle size for a 750 mm 53 using ultrasound compared with mechanical mixing, not only the high leaching rate of copper, and short leaching time.Can be significant look ammonia concentration: 2 movl solid/liquid ratio: V100 temperature: 290 cracks, under this condition, the dispersion caused by the list in ore block appearance and internal resonance may together, such as: chemical reaction kinetics has been confirmed that the apparent rate of reaction resolution on the reaction rate constant of minimum of the process is the most difficult to process, and all the resolution rate of reaction process.

    The above three conditions of total process as a succession of reaction, process control may have the following several conditions:
1) resolution rate process for dispersion, dispersion zone outside the process;
As the dispersed, 2) the resolution rate process, dispersion zone;
3) the resolution process for the chemical reaction rate, process in power school districts;

4) resistance near the three process, any processes are resolution rate, resolution rate of a process is not fixed, under the condition of must be convertible, influence is the most significant external temperature and mixing intensity.

    In leaching process in practical production, because the acoustic scale, mixing speed must, to reach the ambitious leaching rate, the inevitable extension of reaction time, reaction temperature for some processes and the corresponding progress.

    Table 1 the chemical composition of copper oxide and phase analysis Tab. 1 chemicalcompositionandphase serial number granularity of chemical phase analysis of acid insolubles malachite water gall stone red copper ore pyrite chalcopyrite and complete the Zn10K106 ore mass fraction to, while under the effects of ultrasonic, ammonia consume significant decline.Discussion indicate that compared with the pure mechanical mixing, combined with ultrasonic wave can cut the leaching time to 1/6 of the originally, to cut the cost of reagent.

    Leaching as particle size, and the leaching rate of ultrasound will progress of copper.

    Table 2 experimental parameters table number moment min mechanical mixing 25120 ultrasonic 20 kHz frequency ultrasonic parameters in the process of practice, the existing in the leaching process of large capacity, corrosion resistance and high temperature and other characteristics, puts forward several strict requirements to onset of ultrasonic equipment used:
    (1) can be strong mass shine;
    (2) uniform can regulate the frequency and intensity of acoustic oscillation, and to keep it safe;To meet the wide temperature range operation;Meet the needs of high power and corrosion resistance.Embarks from the practical situation, think about ultrasonic equipment with existing leaching equipment in use, and the ability to deal with existing leaching equipment production, equipment parameters and the acoustic field of the connect with each other, will encounter a variety of different physical question, physical chemistry questions and technical questions, how to use existing equipment more usefully, the leaching rate of progress, and then add economic benefits, will be subject to handling of these questions.
    (3) the conclusion through the above experimental research, it can be seen that the ultrasonic leaching process are significant: the influence of reaction time significantly shortened, the leaching rate of progress and the reagent cost cuts.For different types of resolution rate of leaching process, can determine the acoustic field with parameters (acceleration amplitude, shake speed ups and downs, ups and downs, etc.), and then can apply more useful ultrasonic effect on the leaching process.