Abstract

A multifunctional formed object containing an adsorbent for hazardous substances is provided in the form of a water-soluble sheet or tablet. The formed object comprises a hazardous-substance-adsorbing formed object having a multiple function imparted thereto, and can be applied to a contaminated environment while preventing a fine powder from flying off or causing dust explosion and without necessitating much labor. After application, the formed object adsorptively fixes thereto a hazardous substance present in the contaminated environment. The hazardous-substance-adsorbing formed object, to which a hazardous substance is adsorptively fixed in a contaminated environment, e.g., a soil, is produced from a plurality of raw-material ingredients, one of which is a powdery adsorbent for hazardous substances. The adsorbent is a porous fine powder which includes particles each having a diameter capable of passing through 200-mesh and a particle density of an average particle size of 100 µm or smaller, the proportion of the particles being more than 80% of the weight of the powder. Besides the adsorbent, an additive for imparting another function is suitably incorporated.

IPC Classes  ?

• B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
• A01C 21/00 - Methods of fertilising
• B01J 20/12 - Naturally occurring clays or bleaching earth
• B01J 20/14 - Diatomaceous earth
• B01J 20/18 - Synthetic zeolitic molecular sieves
• B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
• B09C 1/02 - Extraction using liquids, e.g. washing, leaching
• B09C 1/08 - Reclamation of contaminated soil chemically
• B09C 1/10 - Reclamation of contaminated soil microbiologically or by using enzymes
• D21H 21/14 - Non-fibrous material added to the pulp, characterised by its function, form or propertiesPaper impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
• A01N 25/34 - Shaped forms, e.g. sheets, not provided for in any other group of this main group
• A01N 29/04 - Halogen directly attached to a carbocyclic ring system
• A01N 29/06 - Hexachlorocyclohexane
• A01N 29/08 - Halogen directly attached to a polycyclic ring system
• A01N 29/12 - 1,1-Di- or 1,1,1-tri-halo-2-aryl-ethane or -ethene or derivatives thereof, e.g. DDT
• A01N 31/08 - Oxygen or sulfur directly attached to an aromatic ring system
• A01P 3/00 - Fungicides
• A01P 5/00 - Nematocides
• A01P 7/02 - Acaricides
• A01P 7/04 - Insecticides
• C05G 5/00 - Fertilisers characterised by their form