Elimination of odors in shell sand encapsulation

Details Elimination of odors in shell sand encapsulation Elimination of odors in shell sand encapsulation

B - Operations, Transporting

22

C

B22C 1/20 (2006.01) C09D 7/12 (2006.01) C09D 201/00 (2006.01)

Patent

CA 2652547

A formulation and method of use for reducing or eliminating the odor by-product in shell sand is disclosed. The composition of matter consist of a preferred 50:50 combination of an organic buffer solution and a masking agent added at a suitable stage in the encapsulation process for shell sand. The method use and the formulation are described.

L'invention concerne une formulation et un procédé d'utilisation destinés à réduire ou éliminer les odeurs produites dans le sable de moulage en carapace. La composition selon l'invention comprend une association préférée 50/50 d'une solution tampon organique et d'un agent masquant ajoutés à un stade approprié dans le processus d'encapsulation du sable de moulage en carapace. Le procédé d'utilisation et la formulation selon l'invention sont décrits.

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