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    • 2. 发明授权
    • Process for removing sulfur from coal
    • 从煤中除硫的工艺
    • US4295858A
    • 1981-10-20
    • US126248
    • 1980-03-03
    • Jui-Yuan SunEmmett H. Burk, Jr.Jin S. YooGeorge P. Masologites
    • Jui-Yuan SunEmmett H. Burk, Jr.Jin S. YooGeorge P. Masologites
    • C10L9/00B03B1/04B03B9/00B03D3/06C10L9/02
    • C10L9/00B03B1/04B03B9/00B03D3/06C10L9/02
    • A process for reducing the sulfur and ash content of coal comprising the steps of: (1) contacting coal particles containing ash and iron pyrite mineral matter with a promoting amount of at least one conditioning agent, said conditioning agent having a ferrous component maintained at a pH of from about 5.5 to 11.0 and being capable of modifying or altering the existing surface characteristics of the pyrite under conditions to effectuate alteration of modification of at least a portion of the contained pyritic sulfur; (2) agglomerating the coal particles while said pyrite surfaces are altered or modified in an aqueous medium with hydrocarbon oil to form coal-hydrocarbon oil agglomerates; (3) separating said coal-hydrocarbon oil agglomerates from pyrite mineral matter and ash to recover coal-hydrocarbon oil agglomerates wherein the coal exhibits reduced sulfur and ash content.
    • 一种减少煤的硫和灰分含量的方法,包括以下步骤:(1)使含有灰分和铁黄铁矿矿物质的煤颗粒与促进量的至少一种调节剂接触,所述调理剂具有维持在 pH为约5.5至11.0,并且在条件下能够改变或改变黄铁矿的现有表面特性,以实现至少部分含硫黄硫的改性改性; (2)在含烃油的含水介质中改变或改性所述黄铁矿表面的同时使煤颗粒凝聚,形成煤 - 烃油附聚物; (3)将煤 - 烃油附聚物与黄铁矿矿物和灰分离,以回收煤 - 烃油附聚物,其中煤表现出降低的硫和灰分含量。