Method and device for separation of recoverable material from products containing mercury
AssigneeMidas Investments Limited
InventorPer Christoffersson
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Abstract
Method of separating recoverable material from products containing mercury. The method including crushing products to form crushed material, mixing crushed material with a liquid which has an oxidizing agent which has been chosen from a group which sodium hypochlorite, hydrogen peroxide and chlorates, oxidizing at least a portion of metallic mercury in the products for forming mercury oxide under influence of oxidizing agent. The method further includes separating a sludge, which sludge having formed mercury oxide, from at least a portion of the liquid.
Claims10
A method of separating recoverable material from products containing mercury, the method comprises:
- crushing products containing mercury to form a crushed material;
- mixing crushed material with a liquid that contains an oxidizing agent comprising sodium hypochlorite, hydrogen peroxide or chlorates and has a pH of more than 7, wherein said liquid comprises a tenside to achieve release of the liquid containing mercury oxide from the crushed material;
- oxidizing at least a portion of metallic mercury comprised in the products to form mercury oxide under influence of said oxidizing agent;
- and
- separating a sludge which contains formed mercury oxide, from at least a part of said liquid.
Dependencies are inferred from the claim text.