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    • 26. 发明申请
    • METHOD OF MAKING M41S FAMILY MOLECULAR SIEVE
    • 制备M41S家族分子筛的方法
    • WO2009055215A1
    • 2009-04-30
    • PCT/US2008/078310
    • 2008-09-30
    • EXXONMOBIL CHEMICAL PATENTS INC.LAI, Wenyih, F.KAY, Robert, EllisMCCARTHY, Stephen, J.
    • LAI, Wenyih, F.KAY, Robert, EllisMCCARTHY, Stephen, J.
    • C01B39/00B01J29/04
    • C01B37/02B01J29/0308B01J29/0333B01J29/041B01J29/044B01J29/70B01J29/76B01J29/82B01J29/83B01J29/84B01J29/85B01J2229/42C01B37/005C01B37/04C01B37/06C01B37/065C01B37/08C01B39/48C01B39/54
    • This disclosure relates to a novel method of making and recovering M41S family molecular sieve materials using synthesis mixtures having high solids-content and without a purification step. The solids-content, for example, is in a range from about 20 wt.% to 50 wt.%. The method also includes the step of mixing at least a portion of the M41S made with another material to form a composition, wherein the amount of said material to be mixed with said M41S product is such that said composition having less than 10 wt.% free fluid. The material mixed with the M41S made includes metal oxides, metal nitrides, metal carbides and mixtures thereof, as well as absorptive material capable of absorbing mother liquor and selected from the group consisting of carbon silica, alumina, titania, zirconia and mixtures thereof. The amount of the wastewater generated by this novel method is reduced by at least 50% to as much as 100% as comparing with conventional method of making M41S materials. By reducing and/or eliminating at least a portion of the wastewater generated in the synthesis product, the new method reduces cost of making of M41S materials and provides a more environmentally-friendly synthesis product.
    • 本公开涉及使用具有高固体含量并且没有纯化步骤的合成混合物制备和回收M41S家族分子筛材料的新方法。 固体含量例如在约20重量%至50重量%的范围内。 该方法还包括将至少一部分与另一种材料制成的M41S混合以形成组合物的步骤,其中与所述M41S产物混合的所述材料的量使得所述组合物的含量小于10重量% 流体。 与M41S混合的材料包括金属氧化物,金属氮化物,金属碳化物及其混合物,以及能够吸收母液并且选自碳二氧化硅,氧化铝,二氧化钛,氧化锆及其混合物的吸收材料。 与传统的制备M41S材料的方法相比,这种新方法产生的废水量减少至少50%至多达100%。 通过减少和/或消除在合成产物中产生的至少一部分废水,新方法降低了M41S材料的制造成本并提供了更环保的合成产品。