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US 2025/0162020 A1Published application
Method of extracting chemical substances from used molding sand
AssigneeNational Pingtung University of Science and Technology
InventorsChia-Jung TSAI, Bo-Wei WU
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Abstract
A method of extracting chemical substances from used molding sand includes: preparing a mixture of used molding sand and liquid, wherein the used molding sand includes a sand material and at least one chemical substance; and cleaning the mixture via an ultrasonic cleaning process to separate and extract the at least one chemical substance from the sand material.
Claims4
A method of extracting chemical substances from used molding sand comprising:
- a) preparing a mixture of used molding sand and liquid, wherein the used molding sand includes a sand material and at least one chemical substance;
- and
- b) cleaning the mixture via an ultrasonic cleaning process to separate and extract the at least one chemical substance from the sand material.
Dependencies are inferred from the claim text.