POROUS POWDER AND PRODUCTION THEREOF

PURPOSE:To provide a porous carrier for fixing enzyme and its producing method having uniform narrow pores distribution and sufficient numbers of narrow pores and satisfying all of thermal stability, chemical stability and economics. CONSTITUTION:The porous powder having uniform narrow pores distrib...

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Bibliographische Detailangaben
Hauptverfasser:	KASHIWAI TOMIO, YAMASHITA YOSHITAKA, KANAZAWA EIJI
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BEER BIOCHEMISTRY CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS THEREOF CONCRETE CULTURE MEDIA ENZYMOLOGY INORGANIC CHEMISTRY LIME, MAGNESIA METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING NON-METALLIC ELEMENTS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS REFRACTORIES SLAG SPIRITS TREATMENT OF NATURAL STONE VINEGAR WINE
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a porous carrier for fixing enzyme and its producing method having uniform narrow pores distribution and sufficient numbers of narrow pores and satisfying all of thermal stability, chemical stability and economics. CONSTITUTION:The porous powder having uniform narrow pores distribution and large numbers of narrow pores for a powder for ummobilizing enzyme is obtained by adding a strong acid into a kaolin mineral and hydrothermal- treating and firing in a proper condition. The kaolin mineral uses a natural product or a synthetic product mainly consisting essentially of one kind or plurality selected from among kaolinite, dickite, nacrite and halloysite, the strong acid uses the inorganic acid or the organic acid of =1 hour in treating time and the condition of the firing temp. of the powder after hydrothermal treatment is specified at 350-1000 deg.C.