The relationship of gasification reactivity and pore specific surface area of petroleum coke is studied.
实验研究了石油焦气化反应活性和孔比表面积的关系。
The fractal characteristics of petroleum coke combustion are validated, which proves that the change of surface fractal dimension differs from that of specific surface area and pore volume.
石油焦的燃烧具有分形动力学的行为特征,且表面分形维数的变化趋势和比表面积和孔容积不同。
In this dissertation, a series of high specific surface area, large pore volume and low Ce content OSMs were precipitated with mixed ammonia-ammonium carbonate solution, and assisted by PEG and PVA.
本文采用氨水-碳酸铵混合溶液作沉淀剂,通过添加聚乙二醇(PEG)和聚乙烯醇(PVA)制备了高比表面积,大孔容的低铈型储氧材料。
The reactivity has a close relationship with pore structure. There is a good linear relation between the specific gasification rate and the effective specific surface area.
石油焦的比气化反应速率与孔隙结构有着紧密的关系,比气化反应速率和有效比表面积之间有着较好的线性关系。
According to measurements, the specific pore surface area and pore volume of petroleum coke (PC) during combustion were found to: first increase, then decrease and increase again.
通过对石油焦燃烧过程中不同燃尽率焦样的比表面积和孔容积的测定,表明石油焦的比表面积和孔容积先增大,后减小到一定数值,最后再增大。
It was showed that iron had no obvious influence on the distribution of micropore, while it made the specific surface area and pore volume of micropore decrease slightly.
结果表明,铁的存在对活性炭的微孔分布没有明显影响,但却使活性炭微孔的比表面积和孔容有所下降。
The determination of the specific surface area and the pore size distribution for Ti-type granular adsorbents was carried out with a home-made apparatus based on BET volumetric methods.
用自装的BET容量法装置测定了几种粒状钛型吸附剂的比表面及其孔径分布。
Three characterization methods of the lab samples were as followings: X-ray analysis, specific surface area and pore analysis, and thermal analysis.
实验样品采用X射线衍射分析、比表面和孔径分析及热分析三种表征手段进行表征。
Specific surface area and pore size distribution of alkali modified kaolins were determined by BET method.
采用BET法测定了碱改性高岭土的比表面积和孔径分布。
Anthracite char has poor pore structure and small specific surface area.
无烟煤焦分支孔贫乏,比表面积很小。
The results showed that specific surface area was increased and average pore size was declined while crosslinking percentage, i. e .
结果表明,交联度对交联聚苯乙烯多孔吸附剂的孔结构均具有显著影响。
Specific surface area, resistivity, and distribution of pore diameter of air electrode were measured. Polarization curve and operating performance of air electrode have been tested.
测试比表面积、电阻率、孔径分布情况、空气电极的极化曲线、放电性能。
The obtained catalyst has high specific surface area, pore volume and content of the zero-valent iron; and the iron is uniformly distributed on the surface of carbon and has favorable stability.
得到的催化剂具有高比表面积、孔容和高零价铁含量,铁均匀分散在炭的表面并具有良好的稳定性。
The characterization of pre-curing catalyst show that the pore volume and specific surface area had little change after vulcanization.
预硫化催化剂的表征结果表明,催化剂硫化前后孔容和比表面积变化不大。
A method for measuring the specific surface area and pore volume of ion-exchange resin by N_2 absorption apparatus is introduced.
介绍了用氮吸附仪测定离子交换树脂的比表面、孔容的方法。
The pore size and specific surface area of ACFs were decreased after fluorination. The adsorption isotherm of nitrogen on ACFs were evidently reduced.
氟化后活性炭纤维的孔结构和比表面积变小,氮低温吸附等温曲线明显降低。
The results shows that the preparation method significantly causes the change of phase composition, pore size distribution and specific surface area, but has little effect on its morphology.
实验表明,制备方法对催化剂的相组成、孔径分布、比表面积等有明显影响,但对其形貌的影响不大。
The specific surface area and pore volume increase with carbon conversion during steam gasification.
不同孔隙率和比表面积的石油焦,其气化反应速率曲线变化趋势不同;
The specific surface area, pore size and yield ratio have been measured. Iodine and Methylene blue adsorption were used to study the adsorption capacity of ACHF.
测量了比表面积和得率,孔径分布,用碘吸附值、亚甲基兰吸附值测定了中空活性炭纤维的吸附性能,用SEM观察了其表面结构。
The specific surface area, pore size and yield ratio have been measured. Iodine and Methylene blue adsorption were used to study the adsorption capacity of ACHF.
测量了比表面积和得率,孔径分布,用碘吸附值、亚甲基兰吸附值测定了中空活性炭纤维的吸附性能,用SEM观察了其表面结构。
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