ALUMINA-BASED POROUS SORBENT

FIELD: sorbents. SUBSTANCE: porous sorbent, applicable in medicine, cosmetology, and veterinary, is based on aluminum oxide with meso- and macroporous structure and is modified with 4-15 wt % carbon and 1-15 wt % polymethylsiloxane. Modifiers are shaped as linear fragments 20-30 in size and are dist...

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Hauptverfasser:	BORODIN JU.I, NIKITIN A.N, ASTASHOVA T.A, RACHKOVSKAJA L.N, RACHKOVSKIJ EH.EH, BLOKHIN A.I, SARKISJAN A.T
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	FIELD: sorbents. SUBSTANCE: porous sorbent, applicable in medicine, cosmetology, and veterinary, is based on aluminum oxide with meso- and macroporous structure and is modified with 4-15 wt % carbon and 1-15 wt % polymethylsiloxane. Modifiers are shaped as linear fragments 20-30 in size and are distributed in aluminum oxide matrix pores, while surface of sorbent is made in the form of mosaic of hydrophilic and hydrophobic portions. Porous sorbent is made in the form of granules 0.2 to 3 mm in size or as powder with particle size 0.1 to 0.2 mm. Sorbent is easily washed out with small amounts of water. EFFECT: enabled reuse and increased mechanical strength without emission of dust particles. 5 cl, 1 tbl