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    • 2. 发明授权
    • 오염된 퇴적물 및 토양의 열화학적 개질 및 정화 방법
    • 오염된퇴적물및토양의열화학적개질및정화방
    • KR100449553B1
    • 2004-09-21
    • KR1019997005702
    • 1997-12-23
    • 시멘트 로크 그룹 엘.엘.씨.
    • 카오리차드엘랜드하바사라브예이트에스랜드하바수르예이트에스멘싱거마이클씨레호맷아미레일지리안쏘니엘
    • A62D3/30B09C1/08B09C1/00
    • A62D3/38A62D3/33A62D2101/20A62D2101/22A62D2101/24A62D2101/40A62D2101/43A62D2203/04A62D2203/10B09B3/005B09B3/0066B09C1/06B09C1/067C03B5/005C04B7/24C04B18/108Y02P40/145Y02P40/58Y02W30/91Y02W30/92Y10S106/90C04B18/0436C04B18/0472C04B7/4484
    • This invention relates to thermo-chemical remediation and decontamination of sediments and soils contaminated with organic contaminants as well as inorganic materials with subsequent beneficial reuse. Novel environmentally stable products of commercial value are produced when certain additives such as calcium and metal oxides are mixed with the contaminated materials. In the process, the mixture is heated to 1150 DEG C. DIFFERENCE 1500 DEG C. to produce a molten reaction product with at least part of an excess amount of oxygen mixture or air is continuously bubbled through the melt in order to provide mixing and achieve high thermal destruction and removal efficiencies of the organic contaminants. The melt is then quickly quenched in moist air, steam, or water to avoid the transformation of the amorphous material into crystals. The inorganic contaminants such as chromium, nickel, zinc, etc. are incorporated and completely immobilized within the amorphous silicate network. The amorphous material can be pulverized to yield a powder which evinces cementitious properties either by reaction with alkali solution or by blending it with other materials to produce blended cements. The compressive strengths of the concretes made from the powder of the subject invention and blends thereof are comparable to, or greater than the ASTM requirements for general purpose concrete applications. The powder of the subject invention, blended cements, and concrete/mortar derived therefrom also easily pass the EPA TCLP leach test to achieve environmental acceptability.
    • 本发明涉及用有机污染物以及无机材料污染的沉积物和土壤的热化学修复和去污染,并随后有利地再利用。 当某些添加剂如钙和金属氧化物与受污染的材料混合时,会产生具有商业价值的新型环境稳定产品。 在该过程中,混合物被加热到1150℃。差值1500℃以产生具有至少部分过量的氧气混合物或空气的熔融反应产物连续地鼓泡通过熔体以提供混合并实现 高热破坏和有机污染物的去除效率。 然后将熔体在潮湿的空气,蒸汽或水中快速骤冷,以避免无定形材料转变成晶体。 无机污染物如铬,镍,锌等被掺入并完全固定在无定形硅酸盐网络内。 可以将无定形材料粉碎以产生通过与碱溶液反应或通过将其与其它材料混合以产生混合粘固剂来显示胶凝特性的粉末。 由本发明粉末及其混合物制成的混凝土的抗压强度与通用混凝土应用的ASTM要求相当或更高。 本发明的粉末,混合水泥和由其衍生的混凝土/砂浆也容易通过EPA TCLP浸出测试以达到环境可接受性。