Effect of Lithium Promoters on Carbon Deposition in Steam Reforming of Acetic Acid for Hydrogen Production 助剂锂对乙酸蒸汽重整制氢反应积碳的影响
Carbon deposition on nickel catalysts is a fatal problem for carbon dioxide reforming with methane. 镍基催化剂对甲烷重整反应具有优良催化性能,但容易积炭而造成催化剂失活。
This process is endothermic with rapid carbon deposition and deactivation of the catalyst. 此过程是吸热的,同时很快发生碳积沉并使催化剂活性减低。
The deactivation of the catalyst of furfural decarbonylation is mainly due to carbon deposition attached to the catalyst surface, it leads to the active site embedded, so the catalyst losed activity. 糠醛脱羰催化剂失活的主要原因是大量积碳附着于催化剂表面使活性中心被包埋从而使催化剂失去活性。
Effective control over carbon deposition; 有效地控制积炭;
Research Progress on the Resistance to Carbon Deposition on the Catalyst for Methane Catalytic Reforming with Carbon Dioxide 甲烷二氧化碳重整反应中催化剂的抗积炭性能研究进展
Influence of carbon deposition temperature on adsorption performance of modified active carbon 炭沉积温度对改性活性炭吸附剂吸附性能的影响
The catalyst was slow in carbon deposition and good in chlorine retention, high in hydrothermal stability and excellent in structural stability. 催化剂积炭速率慢,具有良好的持氯能力、水热稳定性和结构稳定性。
Realizing Study of the Current Control Influencing the Carbon Deposition of Electrode 影响电极积碳层厚度的电流控制实现研究
High-quality detergent and dispersant can reduce the formation of oil sludge and carbon deposition, and maintain engine cleanliness; 优质的清净剂和分散剂,减少积碳和油泥的形成,保持发动机清洁;
The Studies Characteristics of Methane/ Wet Air Autothermal Catalytic Reforming Reaction and Carbon Deposition under the Low-Temperature 甲烷/湿空气低温下自热催化重整反应与积碳特性研究
The influence of the addition of n-type semiconductor oxide CeO 2 to Ni-based catalyst on carbon deposition from CH 4 and carbon elimination by CO 2 was studied by using a pulse microreaction technique. The catalysts were characterized by TPR, XPS and hydrogen chemisorption. 采用脉冲微量反应技术研究了添加n型半导体氧化物CeO2对Ni基催化剂上CH4积炭/CO2消炭性能的影响,用TPR,XPS和氢吸附技术对催化剂进行了表征。
The effects of temperature and time on the nature of carbon deposition over Ni/ Al2O3 catalyst were investigated using an on-line quadruple mass spectrometer method. 用在线质谱法研究了Ni/Al2O3催化剂上甲烷分解温度和时间对积炭的影响。
Carbon Deposition of Ni/ ZrO_2 Catalyst for Methane Catalytic Partial Oxidation to Syngas in Membrane Reactor 膜反应器中甲烷催化部分氧化制合成气Ni/ZrO2积炭的研究
An improved method, chemical deposit succeeded with carbon deposition treatment, had been employed to eliminate the defects. 本研究采用了化学沉积与积炭处理相结合的二步修饰法来消除缺陷。
The experimental results showed that the alkali metal promoter is effective in the suppression of carbon deposition on catalyst. 实验结果表明,碱金属助剂对降低催化剂结炭有一定作用;催化剂抗积炭顺序为;
Simulation of carbon deposition conditions in a methane or acetylene flame based on mechanisms of chemical transport reaction 基于化学传递反应模拟甲烷和乙炔燃焰中碳沉积的条件
The article details the research of the stability of catalyst, carbon deposition and regeneration conditions. 本文还对催化剂稳定性、积碳行为以及再生条件进行了考察。
The results from energy spectrum analysis show that carbon deposition is found after cells are used. 能谱分析表明,电池在使用后阳极出现积碳现象。
Influence of CeO_2 and Co_3O_4 Promoters on Carbon Deposition and Carbon Elimination over Ni-Based Catalysts CeO2和Co3O4助剂对镍基催化剂上CH4积碳和CO2消碳性能的影响
Moreover, in single-mode resonator, carbon deposition is little, the products include acetylene and ethylene. 另外在单模谐振腔中积碳少,CZ烃产物不仅有乙炔,还有部分乙烯。
The carbon deposition of methane dehydrogenation was studied on the Ni/ Al2O3 catalysts by using pulse-chromatographic apparatus as well as TG, XRD, EDAX and SEM techniques. 采用TG、XRD、SEM、EDAX和脉冲色谱技术,研究了Ni/Al2O3和Ni/ARM催化剂的甲烷脱氢积炭反应特征。
The crystal structure, surface properties and carbon deposition of the catalyst were investigated by XRD, XPS and TG/ DTA. 用XRD,XPS和TG/DTA表征手段研究了反应前后催化剂的晶体结构、表面性质以及积碳行为,结果表明该催化剂具有较强的抗Ni流失和抗积碳能力。
The carbon deposition and carbon elimination during CH 4 reforming with CO 2 over Ni/ γ Al 2O 3 catalyst were investigated by means of TGA, XRD and TEM techniques. The yield of CO was also detected by an on line chromatograph. 用动态热重技术和色谱技术联用以及XRD和TEM等表征手段,研究了Ni/γAl2O3催化剂上甲烷二氧化碳重整体系的积碳和消碳及其与一氧化碳产率之间的关系。
Influence of the additions of different type semiconductor oxides to Ni-based catalyst on the characteristics of carbon deposition of CH_4, C_2H_6 and C_2H_4 cracking was studied by using pulse microreaction technique. 采用脉冲微反技术研究了添加半导体氧化物对Ni基催化剂上CH4、C2H6和C2H4的裂解积炭反应特性的影响。
Through modern methods of characterization, the characterization of catalyst surface carbon deposition is mainly filamentous. 通过催化剂的表征手段,反应后催化剂表面的积炭主要是丝状积炭。
Magnesium could reduce the carbon deposition of the catalyst. 助剂镁的加入减少了催化剂的积炭量。
Although the reaction mechanism of research and improvement of the catalyst has achieved great development, but the carbon deposition which causes catalyst deactivation in the MDA transformations is still one of the challenges. 尽管反应机理的研究和催化剂的改良等方面取得了长足的发展,但是MDA转化中积碳导致的催化剂失活依然是MDA工业化面临的挑战之一。
The catalyst obtained from reverse microemulsion exhibited the best activity, stability, and least carbon deposition. 该催化剂表现了最好的活性和稳定性,最少量的积碳。