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    • 16. 发明授权
    • Use of activated fluid coke to remove organic contaminants from waste
waters
    • 使用活性流体焦炭从废水中去除有机污染物
    • US4036750A
    • 1977-07-19
    • US542587
    • 1975-01-20
    • Stanley E. JarosWilliam J. Metrailer
    • Stanley E. JarosWilliam J. Metrailer
    • B01D15/02B01D17/02C01B31/08C01B31/10C02F1/28
    • B01D17/0202B01D15/02C01B31/087C01B31/10C02F1/283
    • This invention relates to a novel activated fluid coke composition, a method for forming same, and an improved process for removing organic material from waste water by contacting said waste water under adsorption conditions with said activated fluid coke. The activated fluid coke may be prepared by contacting fluid coke with a gaseous mixture containing steam at temperatures of at least about 1500.degree. F. for a period of time sufficient to convert at least 35 weight % of the fluid coke to gaseous products. The activated fluid coke so formed preferably has a total surface area of at least 400 square meters per gram, and a pore volume of at least 0.20 cubic centimeters per gram. The large pore volume and large total surface area, along with the particle size, particle size distribution, particle shape, particle density and attrition resistance of the activated fluid coke, result in said activated fluid coke exhibiting excellent properties as an adsorbent, particularly for removing organic materials from waste water streams.
    • 本发明涉及一种新型的活化流体焦炭组合物,其形成方法,以及通过使吸附条件下的所述废水与所述活化的流体焦炭接触而从废水中除去有机材料的改进方法。 活化的流体焦炭可以通过使流体焦炭与至少约1500°F温度的蒸汽的气体混合物接触足以将至少35重量%的流体焦炭转化为气体产物的时间来制备。 所形成的活化流体焦炭优选具有至少400平方米/克的总表面积,和至少0.20立方厘米/克的孔体积。 大的孔体积和大的总表面积以及活性流体焦炭的粒度,粒度分布,颗粒形状,颗粒密度和耐磨性导致所述活化流体焦炭作为吸附剂显示出优异的性能,特别是用于除去 来自废水流的有机物质。