| abstract |
The present invention provides a mud modifier useful for modifying mud [particularly mud with high water content (hydrous mud)]. A mud modifier is composed of a sodium silicate aqueous solution, a non-polyacrylic acid-based water-soluble polymer, and an acidic inorganic substance. The water-soluble polymer may be, for example, a hydrolyzate of polyacrylamide resin, carboxymethyl celluloses, and the like. The acidic inorganic substance may be composed of an aluminum compound (for example, polyaluminum chloride), an iron compound (for example, polyferric sulfate, etc.), and the like. Such a mud modifying agent can be efficiently reformed or solidified even if it is a mud having a high water content, for example, a water content of 100% by weight or more. [Selection figure] None |