PHOTOCATALYST-ADSORBENT (VERSIONS) Russian patent published in 2009 - IPC B01J21/06 B01J21/08 B01J21/18 B01J23/38 B01J27/18 B01J32/00 C02F1/30 B01D53/86 

FIELD: chemistry.

SUBSTANCE: invention relates to a photocatalyst composition based on carbon material with large specific surface area with a deposited photocatalyst based on titanium dioxide or titanium dioxide which is modified with noble metals, mainly used for photocatalytic purification of air and water, contaminated with molecular impurities of organic or inorganic nature. A photocatalyst-adsorbent is described, which is characterised by that, it consists of an inorganic fabric on a woven or non-woven base, soaked with a composition which contains an inorganic binder, adsorbent and photocatalytically active titanium dioxide. Surface area of the adsorbent is at least twice larger than the surface area of the photocatalytically active titanium dioxide. A photocatalyst-adsorbent is also described, which is characterised by that, it consists of an inorganic fabric on a woven or non-woven base, soaked with a composition which contains an inorganic binder and adsorbent, on which photocatalytically active titanium dioxide is deposited. Surface area of the adsorbent is at least twice larger than surface area of photocatalytically active titanium dioxide.

EFFECT: above described catalysts-adsorbents combine sorbent and photocatalyst properties, have low hydrodynamic resistance, sufficient hardness and have value of photocatalytic activity with respect to decomposition of organic and inorganic substances in water and air.

12 cl, 1 tbl, 2 dwg, 10 ex