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    • 33. 发明授权
    • Copper crystallite in carbon molecular sieves for selective oxygen
removal
    • 用于选择性氧除去的碳分子筛中的铜结晶
    • US5219819A
    • 1993-06-15
    • US817878
    • 1992-01-07
    • Pramod K. SharmaPanchalam K. Seshan
    • Pramod K. SharmaPanchalam K. Seshan
    • B01J20/20
    • B01J20/20
    • Carbon molecular sieves modified by the incorporation of finely divided elemental copper useful for the selective sorption of oxygen at elevated temperatures. The carbon molecular sieves can be regenerated by reduction with hydrogen. The copper modified carbon molecular sieves are prepared by pyrolysis of a mixture of a copper-containing material and polyfurfuryl alcohol to form a sorbent precursor. The sorbent precursors are then heated and reduced to produce copper modified carbon molecular sieves. The copper modified carbon molecular sieves are useful for sorption of all concentrations of oxygen at temperatures up to about 200.degree. C. They are also useful for removal of trace amount of oxygen from gases at temperatures up to about 600.degree. C.
    • 通过掺入细分的元素铜而改性的碳分子筛可用于在高温下选择性吸附氧。 碳分子筛可以通过用氢还原来再生。 铜改性碳分子筛通过将含铜材料和聚糠醇的混合物热解形成吸附剂前体来制备。 然后将吸附剂前体加热并还原以产生铜改性的碳分子筛。 铜改性碳分子筛可用于在高达约200℃的温度下吸附所有浓度的氧。它们也可用于在高达约600℃的温度下从气体中除去痕量的氧。