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    • 99. 发明授权
    • Method for recycling construction and demolition fines
    • 回收施工和拆除罚款的方法
    • US07815729B2
    • 2010-10-19
    • US12379962
    • 2009-03-05
    • Robert S. CummingsPaul G. Chuckran
    • Robert S. CummingsPaul G. Chuckran
    • C04B18/16
    • C04B28/02C04B18/16Y02W30/95C04B20/0048C04B20/0076
    • The method for recycling construction and demolition fines involves using mixed fines from construction and demolition debris that would otherwise be disposed of at landfills as an ingredient in cement or concrete. The mixed fines contain a plurality of materials selected from the group consisting of asphalt, plastics, ceramics, fiberglass and batt insulation, soil, dust, drywall, wood, plaster, paper, cardboard, dirt. The fines may also contain particles of recyclable materials, such as concrete, bricks, mortar, metals, glass, and the like. The fines may range in size from microns up to 6 inches in at least one direction. The recycler may incorporate the fines into a concrete mix for bulk sale to commercial enterprises, or may himself form precast, lightweight concrete products, such as decorative columns, pedestals and table bases, trim moldings and cornices, door surrounds, etc.
    • 回收施工和拆除罚款的方法包括使用建筑和拆除碎屑中的混合罚款,否则将在填埋场作为水泥或混凝土中的成分处置。 混合细粉含有选自沥青,塑料,陶瓷,玻璃纤维和絮垫绝缘体,土壤,灰尘,干墙,木材,石膏,纸,纸板,污垢的多种材料。 细粉还可以含有可回收材料的颗粒,例如混凝土,砖,砂浆,金属,玻璃等。 细碎物的尺寸可以从至少一个方向上的微米到最大6英寸。 回收商可以将罚款纳入混合混合物,以批量出售给商业企业,或者可以自己形成预制的,轻质的混凝土产品,如装饰柱,基座和台座,饰边模制品和檐口,门环等。