COMPACTS BASED ON SILICON DIOXIDE BEING PREPARED IN PYROGENIC MANNER, PROCESS OF THEIR PREPARATION AND THEIR USE AS CATALYST CARRIER

• Main Authors: PANSTER PETER DR, TACKE THOMAS DR, FEUER OLIVER, LANSINK ROTGERINK HERMANUS DR, KRAUSE HELMFRIED
• Format: Patent
• Language: Czech; English
• Published: 16.06.1999
• Edition: 6
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; APPARATUS THEREFOR; ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; COMPOUNDS THEREOF; CONCRETE; GENERAL METHODS OF ORGANIC CHEMISTRY; INORGANIC CHEMISTRY; LIME, MAGNESIA; METALLURGY; NON-METALLIC ELEMENTS; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; REFRACTORIES; SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER; SLAG; THEIR RELEVANT APPARATUS; TRANSPORTING; TREATMENT OF NATURAL STONE; WORKING CEMENT, CLAY, OR STONE

A pressed article (I) is based upon pyrogenically produced silicon dioxide having a pore volume of 0.5-1.8 ml/g. Independent claims are included for: (i) the production of (I) by mixing pyrogenically produced silicon dioxide with methylhydroxyethylcellulose, wax and polyethylene glycol and water fol...