惰质组
- 网络Inertinite
![惰质组](../cache/1414158.jpg)
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总的来看,煤中的惰质组含量高,有利于煤焦的气化反应,当煤中的镜质组含量处在某一范围内,煤焦的C仇反应性很差。
The higher the content of inertinite in coal samples , the higher the CO2-reactivity of gasification .
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因此,还原程度对镜质组及惰质组的表面结构均产生影响,主要表现在CC或CH质量分数的差异上。
The results indicate that the reducibility of coal influences the surface structure of vitrinite and inertinite , whose representation is the different content of C C or C H.
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镜质组和惰质组不同的SO2逸出说明镜质组含有较高的脂肪硫和芳香硫,极少的黄铁矿硫,而惰质组则含有较少脂肪硫和芳香硫,很高的黄铁矿硫。
The different evolution behaviors of SO_2 between vitrinite and inertinite suggest that vitrinite has higher content of aliphatic sulfur and aromatic sulfur , lower pyretic-sulfur content than inertinite .
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根据实验数据,分别计算了惰质组富集物焦和镜质组富集物焦与CO2反应的比反应速率、平均比反应速率、初始比反应速率和反应性指数。
The specific reactive rate , the average specific reactive rate , the initial specific reactive rate and the reactivity index for gasification with CO2 of various char samples from the inertinite-rich concentrates and vitrinite-rich concentrates have been calculated based upon the test results .
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惰质组含量在52%~60%,最佳反应温度为460℃;
460 ℃ for inertinite content at 52 % ~ 60 % ;
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惰质组含量小于45%,最佳反应温度为450℃,以此为依据对试验样品进行了液化试验。
450 ℃ for inertinite content below 45 % .
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通过高压釜条件试验,得出了神东煤的最佳液化反应温度:惰质组含量在70%,最佳液化反应温度为470℃;
Optimal reaction temperatures are derived : 470 ℃ for inertinite content above 70 % ;
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高煤级煤惰质组含量低的煤岩应力强度最小。
The stress strength of high rank coal rock with low inertinite content was minimum ;
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原料煤、镜质组和惰质组在加氢液化过程中所产生的气体在组成上也是有所差异的。
The composition of gas from hydroliquefaction of the parent coal , vitrinite and inertinite is different .
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采用计算机分子模拟技术,在分子尺度上研究了哈密惰质组结构性质。
The paper uses computer molecular simulation technology and studies the Humul coal inertinite structure on the molecular scale .
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用密度法分离富集了大同烟煤镜质组和惰质组,研究了大同烟煤镜质组和惰质组制备活性炭性能。
Preparation of activated carbon from vitrinite and inertinite concentrated from Datong bituminous coal with specific gravity has been studied .
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对弱还原性煤中广泛分布的惰质组组分及其分子结构特征需进行深入研究。
It is meaningful to study deeply the structure of inertinite , especially fusinite and semifusinite in weak reductive coal in West China .
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镜质组的液化反应性高于惰质组,在原料煤、镜质组和惰质组这三种实验原料中,原料煤的液化反应性是最高的。
The hydroliquefaction reactivity of vitrinite is higher than that of inertinite , and the parent coal has the highest hydroliquefaction reactivity among these three feedstocks .
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结果表明:镜质组比惰质组有较高的挥发分收率和较高的最大失重速率,较低的起始热解温度和热解峰温。
The TG results show that vitrinite has higher volatile matter yield , maximum weight loss rate and lower initial decomposition temperature and peak temperature than that of interinite .
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随着煤炭加工转化技术以及煤炭工业化应用的不断发展,迫切需要全面深入地认识煤中惰质组的结构特征以及煤中氧的赋存形态。
With the development of the coal processing and conversion technologies , it is necessary to understand the structure of inertinite and the characteristics of oxygen functional groups in coal .
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结果表明:合山煤中全硫含量在5.3%~11.6%之间,与惰质组相比,有机硫更易在镜质组中富集;
The results show that the sulphur content in the Heshan coals ranges from 5.3 % to 11.6 % , and vitrinites are more enriched with organic sulphur compared to inertinites .
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本试验对于惰质组煤液化示范厂的循环溶剂加氢工艺调整方法和最优工艺参数的设定,有一定的参考价值。
In the experiment , there is a certain reference value to the recycle solvent hydrogenation process adjustment methods and the optimal process parameter settings for the inertinite coal liquefaction demonstration plant .
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结果表明:神东煤镜质组和壳质组的转化速率为惰质组的近2·6倍,镜质组和壳质组生成油和沥青烯的速率为惰质组的近2·9倍。
The results show that conversion rate of vitrinite plus exinite is about 2.6 times than that of inertinite , oil and asphaltene generation rate of vitrinite plus exinite is about 2.9 times than that of inertinite .
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对煤中惰质组分的大分子结构以及煤中氧的赋存形态的研究是煤分子结构研究中的重要组成部分,但以往的煤结构研究中较少涉及到这两部分。
Study on the Speciation of Most Volatile Trace Elements in Coal The structure of inertinite and the characteristics of oxygen functional groups in coal are very important issues in coal structure science , which have been little approached .
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煤体中惰质组含量较高时,其对煤体的吸附容量的影响较为明显,主要与惰质组中丝质体的高吸附能力有关;
The adsorption capacity effect of inertinite was clear when its concentration was high , which was mainly related to high adsorption capacity of fusinite in inertinite . But the hydrophilicity decreases as the doping Ag increases to a certain content .
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各种含硫气体不同的逸出强度和分布反映了镜质组和惰质组中硫存在形态和含量的差异而导致的镜质组和惰质组在热解过程中硫的不同变迁规律。
And strength and distribution of evolution of sulfur-containing gases reflects the difference in forms and content of sulfur in coal macerals , which also shows the relationship between the forms of sulfur and evolution behavior during the pyrolysis of macerals .
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挥发分、氢含量、氮含量和氢碳比随惰质组含量的增加而下降,碳含量、芳碳率和缩合环数随惰质组含量的增加而增加。
Volatile matter , hydrogen content , nitrogen content , H / C , oxygen content in oxygen functional group decrease with the increasing of inertinite content . But carbon content , aromaticity and the number of condensed ring are opposite .
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结果表明:镜质组、半镜质组和惰质组的芳碳率分别为0.84、0.91和0.93,镜质组分子结构单元中含有较多的脂肪取代基和螯形醌基;
It shows that the carbon aromaticity of vitrinite . semivitrinite and inertinite is 0.84 , 0.91 and 0.93 respectively . The aliphatic substituent group and chelate quinonyl contents in the molecular structural unit of vitrinite are higher than that of semivitrinite and inertinite .
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采用分子力学和半经验量子化学方法,研究了神木煤显微组分的分子结构模型,比较了镜质组和惰质组分子模型的能量构成、不同类型键的键长和键裂解能。
The molecular modeling of Shenmu coal macerals has been studied and the energy compositions , bond length and bond dissociation energy ( BDE ) of different types of bonds in the vitrinite and inertinite have been compared by molecular mechanics and semi-empirical calculation method of quantum chemistry .
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平衡水煤样吸附量与镜质组含量呈正相关、与惰质组含量呈负相关、与孔隙比表面积、微孔比表面积、微孔孔体积呈正相关;
The capacity rate of the coal processed with equilibrium moisture has a normal correlation to the vitrinite content and an inverse correlation to the inertinite content of the coal , and displays a normal correlation to the specific surface areas of pore and micropore , and micropore volume .
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结果表明,惰质组和镜质组焦油在组成和长链烃类、芳烃、含氧杂环和多环芳烃的相对质量分数方面存在很大差异。陕西渭南黄土剖面系列链烃化合物的分布与古气候意义
The results show that there is great difference in the composition and the relative content of long chain hydrocarbon , aromatic hydrocarbon , phenols , oxygen-containing heterocycle and PAHs in tars from vitrinite and inertinite pyrolysis . DISTRIBUTION OF CHAIN HYDROCARBON FROM WEINAN LOESS SECTION AND THER PALEOCLIMATIC SIGNIFICANCE