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轻油组分
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     With the increase of the pressure the conversion and the extract yield increase;
     萃取压力增加,转化率和萃取物产率增加; 萃取终温增加,转化率增加,但增加量主要为气体和轻油组分
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  相似匹配句对
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In a semi-continuous apparatus, Dayan lignite is extracted with water under sub-and supercritical states. The experiments are carried out to investigate effects of the pressure and the final temperature on the extraction yields, and product components. The results indicate that high conversion and extract yield can be obtained by supercritical water extraction of lignite on appropriate conditions. With the increase of the pressure the conversion and the extract yield increase; With the increase of the final...

In a semi-continuous apparatus, Dayan lignite is extracted with water under sub-and supercritical states. The experiments are carried out to investigate effects of the pressure and the final temperature on the extraction yields, and product components. The results indicate that high conversion and extract yield can be obtained by supercritical water extraction of lignite on appropriate conditions. With the increase of the pressure the conversion and the extract yield increase; With the increase of the final temperature the conversion also increases, but the increment is mainly gas and light oil. The main fraction in extract is preasphaltene, and the main gas component is CO2. The extraction residue is a good feedstock for gasification or combustion.

在半连续实验装置上,以水为溶剂对大雁褐煤进行了超临界萃取实验。考察了压力、终温对萃取过程产率及产品组成的影响。结果表明,用水萃取褐煤在合适条件下,可得到高的转化率及萃取物产率;萃取压力增加,转化率和萃取物产率增加;萃取终温增加,转化率增加,但增加量主要为气体和轻油组分。在超临界条件下,萃取物主要馏分为予沥青烯。萃取过程中气体产率约为20%,其主要组分为CO2;经萃取后的褐煤(约占原煤50%),具有比原煤高的碳含量,低挥发分及氧含量,几乎不含水,可作为气化或燃烧的原料。

Tars from mild gasification of Shenmu coal on fludized bed reactor (FBR) were analyzed and compared with pyrolysis on FBR.The results indicated that the tars from mild gasification include mainly BTX,PCX,naphthalene,alkanes(C 12 ~C 20 ) and so on.Compared with thermal pyrolysis under the same other conditions,the yields of BTX,PCX,naphthalene and alkanes (C 12 ~C 20 ) increased 11%,45%,34%,26% respectively.So the light oil yields of tar were increased and the tar quality was improved also.

采用色质联用技术分析了流化床煤温和气化过程产生焦油的组成及其相对含量.结果表明:煤温和气化焦油主要含有BTX,PCX,萘以及C12~C20脂肪烃类等化合物,其中80%以上属于芳香族化合物.与一般热解焦油相比,煤温和气化焦油中的BTX,PCX,萘和C12~C20脂肪烃分别增加了约11%,45%,40%,26%,从而增加了焦油中的轻油组分,改善了焦油的质量

 
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