Patent ID: 9676013
Date: 2017-06-13
CPC Classifications: B01J,B09C,B30B,C02F,C09K,E02B,E02D

Claim:
1. A sub-aqueous capping material comprising a plurality of compacted particles of a reactive solid material comprising a dispersion aid homogeneously blended therein, the compacted particles having a specific gravity greater than 1.0, and a particle size in the range of about 1/16 inch to about 1 inch; wherein the reactive solid material is selected from the group consisting of leonardite; lignite; organoclay; activated carbon; coke; organic-rich topsoil; organic-rich sediment; humus; apatite; zeolite; iron ore-rich material; organic shale; lime; gypsum; elemental sulfur; bauxite; fish meal; zero-valent iron, and/or oxides or hydroxyoxides of iron, manganese and/or aluminum; and mixtures of any two or more of the foregoing; and wherein the dispersion aid: