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    • 5. 发明申请
    • DELIVERY VEHICLES FOR ENVIRONMENTAL REMEDIANTS
    • 交付用于环境救援的车辆
    • WO2003013252A1
    • 2003-02-20
    • PCT/US2002/024519
    • 2002-08-02
    • MALLOUK, Thomas, E.SCHRICK, BettinaBLOUGH, Jennifer, L.
    • MALLOUK, Thomas, E.SCHRICK, BettinaBLOUGH, Jennifer, L.
    • A01N63/00
    • B01J20/20B01J20/28007B01J20/28026B01J20/3204B01J20/321B01J20/3212B01J20/3236B01J20/3246B01J20/3274B09C1/08B09C1/10B09C2101/00B82Y30/00
    • The invention provides novel environmental remediants and methods for remediating contaminated soils, earth, ground, or groundwater, particularly subsurface sites. The environmental remediants comprise a chemically or biologically active material, in the form of a particle which are on average less than about one micron, and a carrier which is interactive with an environmentally acceptable solvent. The carrier is capable of maintaining the particles in a persistent suspension which can permeate soil pores due to its small size, thereby delivering the remediant to the subsurface contamination. Significant advantages over prior art methods, particularly for metallic nanoparticles, are avoiding agglomeration, ease of application, and delivery to subsurface sites. Methods are provided which comprise selecting an appropriate environmental remediant and contacting a subsurface soil or water with the remediant; by applying the remediant in a composition with a carrier, wherein the remediant transits to the subsurface site.
    • 本发明提供了用于补救受污染的土壤,地球,地面或地下水,特别是地下地点的新型环境补救剂和方法。 环境补救剂包括平均小于约一微米的颗粒形式的化学或生物活性材料和与环境可接受的溶剂相互作用的载体。 载体能够将颗粒保持在由于其小尺寸而可渗透土壤孔隙的持久性悬浮液中,从而将补救剂输送到地下污染物。 与现有技术相比,特别是对于金属纳米颗粒来说,显着的优点是避免了聚集,易于应用和递送到地下部位。 提供了包括选择合适的环境修复剂并使地下土壤或水与补救剂接触的方法; 通过将补救剂应用于具有载体的组合物中,其中补救剂转移到地下部位。