METHOD FOR STABILIZING CLAY BEARING SOILS BY ADDITION OF SILICA AND LIME
    1.
    发明申请
    METHOD FOR STABILIZING CLAY BEARING SOILS BY ADDITION OF SILICA AND LIME 审中-公开
    通过添加二氧化硅和极限来稳定粘土承载土的方法

    公开(公告)号:WO1994006884A1

    公开(公告)日:1994-03-31

    申请号:PCT/US1993008351

    申请日:1993-09-10

    CPC classification number: C09K17/12 C09K17/06 Y10S106/90

    Abstract: A method is shown for stabilizing clay bearing soils in which a silica compound is incorporated into the soils in addition to the application of lime. The silica compound can be either an amorphous, silica fume, a crystalline silica, a silica gel, sodium silicate, potassium silicate, finely ground glass or combinations thereof. The silicate compound promotes the formation of calcium silicate hydrates over the formation of calcium aluminate hydrates in the resulting pozzolanic reaction occurring in the clay bearing soils. The silica compound and lime can be incorporated into the soils in a single step.

    Abstract translation: 显示了一种用于稳定粘土的土壤的方法,其中除了施加石灰之外,将二氧化硅化合物掺入土壤中。 二氧化硅化合物可以是无定形,硅灰,结晶二氧化硅,硅胶,硅酸钠,硅酸钾,精细研磨的玻璃或其组合。 硅酸盐化合物促进硅酸钙水合物的形成,超过在含粘土土壤中发生的所得火山灰反应中铝酸钙水合物的形成。 二氧化硅化合物和石灰可以在一个步骤中并入土壤中。

    HOT MIX ASPHALT AND METHOD OF PREPARATION THEREOF
    2.
    发明申请
    HOT MIX ASPHALT AND METHOD OF PREPARATION THEREOF 审中-公开
    热混合沥青及其制备方法

    公开(公告)号:WO1996013550A1

    公开(公告)日:1996-05-09

    申请号:PCT/US1995012697

    申请日:1995-10-12

    CPC classification number: E01C7/187 E01C7/26 E01C19/1004 E01C23/065

    Abstract: A method of treating aggregate for use in hot mix asphalt compositions to promote adhesion between the aggregate material and bituminous binder by mixing together in a mixing tank (12) unslaked quicklime and an aqueous slaking medium to form a quicklime slurry and pumping the slurry through a conduit (70) to be mixed with aggregate from a feed bin (75) at a pugmill (74) of a hot asphalt plant.

    Abstract translation: 一种处理用于热混沥青组合物中的骨料的方法,以通过在未沉淀的生石灰的混合罐(12)和水性消化介质中混合在一起以促进骨料和沥青粘合剂之间的粘附,以形成生石灰浆料并将浆料泵送通过 导管(70)与来自热沥青设备的搅拌机(74)的进料仓(75)与骨料混合。

    METHOD AND COMPOSITION FOR USE IN RECYCLING METAL CONTAINING FURNACE DUST
    3.
    发明申请
    METHOD AND COMPOSITION FOR USE IN RECYCLING METAL CONTAINING FURNACE DUST 审中-公开
    用于回收含金属粉末的金属的方法和组合物

    公开(公告)号:WO1993011269A1

    公开(公告)日:1993-06-10

    申请号:PCT/US1992009315

    申请日:1992-11-06

    Abstract: A process is shown where an arc dust waste produced by an electric arc furnace is conducted to silos and converted to a reusable co-product by means of the addition of a special blend of high calcium and dolomitic quicklime, calcium stearate and pulverized waste paper. A dolomitic quicklime is stored in a silo (11) and dispensed through a conveyance means, such as screw conveyor (13) to a weigh hopper (15). Kraft paper stock is withdrawn from a paper roll (17) and passed to a hammermill shredder (19) where it is pulverized down to the cellulose, longstock paper fiber. The shredded, pulverized paper passes through a blower (21) and through a conduit (23) to a paper cyclone (25). Paper stock from the cyclone (25) passes through an outlet duct (27) to the weigh hopper.

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