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ZEOLITE LAYERS WITH CONTROLLED CRYSTAL WIDTH AND PREFERRED ORIENTATION GROWN ON A GROWTH ENHANCING LAYER
ZEOLITE LAYERS WITH CONTROLLED CRYSTAL WIDTH AND PREFERRED ORIENTATION GROWN ON A GROWTH ENHANCING LAYER
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机译:晶体厚度可控且在增强层上生长有优先方向的沸石层
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摘要
THE PRESENT INVENTION IS DIRECTED TOWARD A NEW ZEOLITE COMPOSITION HAVING COATED THEREON A MESOPOROUS GROWTH ENHANCING LAYER AND A LAYER OF ZEOLITE CRYSTALS ON SAID MESOPOROUS GROWTH ENHANCING LAYER, AND WHEREIN SAID MESOPOROUS GROWTH ENHANCING LAYER COMPRISES NANOCRYSTALLINE OR COLLOIDAL SIZED ZEOLITES, NANOCRYSTALLINE OR COLLOIDAL ZEOLITE AND METAL OXIDE, OR NANOCRYSTAILINE OR COLLOIDAL ZEOLITE AND COLLOIDAL METAL, OR NANOCRYSTALLINE OR COLLOIDAL ZEOLITE, COLLOIDAL METAL AND METAL OXIDE, AND WHEREIN SAID MESOPOROUS GROWTH ENHANCING LAYER HAS INTERSTICES OF ABOUT 20 TO ABOUT 2000 Å, AND WHEREIN SAID ZEOLITE LAYER IS A POLYCRYSTALLINE LAYER OF ORIENTED CRYSTALS WITH SIMILAR HABIT WHEREIN 99.9OF SAID ZEOLITE CRYSTALS HAVE AT LEAST ONE POINT BETWEEN ADJACENT CRYSTALS THAT IS 20 Å. THE INVENTION IS FURTHER DIRECTED TO A PROCESS OF PRODUCING AND USING THE COMPOSITION.
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