Crystalline silicon cleaning method
A crystalline silicon and pre-cleaning technology, applied in the direction of using liquid cleaning methods, cleaning methods and utensils, chemical instruments and methods, etc., can solve the problems of secondary pollution of impurities, human, equipment, environmental hazards, and large loss of silicon materials. , to achieve the effect of easy waste liquid treatment, reduction of corrosion loss and reduction of treatment work
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[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0028] As mentioned in the background technology section, the traditional cleaning method has a certain effect on virgin silicon, but the cleaning effect is not good for recycled materials. of. The traditional cleaning method uses a mixed acid solution to corrode crystalline silicon, which mainly considers the chemical properties of impurities on the surface of crystalline silicon. Therefore, the traditional cleaning method uses many types of chemicals and hig...
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