比较了常规法、等离子体炬法和等离子体炬辅助焙烧法制得的Ni/MgO催化剂上CO2/CH4重整反应性能差异,并利用X射线衍射、透射电镜、X射线光电子能谱和CO2程序升温表面反应等技术对反应前后催化剂进行了表征,结果表明,采用等离子体炬辅助焙烧法制备的催化剂上Ni晶粒粒径小,分散度较高,低温活性和抗积炭性能较高；在常压,750℃,36 L/(h·g),n(CH4)/n(CO2)=1的反应条件下,CO2和CH4转化率分别为90.7%和89.4%,反应36 h催化剂无明显失活.
参考文献
| [1] | Shang S Y;Liu G H;Chai X Y;Tao X M Li X Bai M G Chu W Dai X Y Zhao Y X Yin Y X .[J].Catalysis Today,2009,148:268. |
| [2] | Takanabe K;Nagaoka K;Nariai K;Aika K .[J].Journal of Catalysis,2005,232:268. |
| [3] | Choudhary VR;Mondal KC;Choudhary TV .CO2 reforming of methane to syngas over CoOx/MgO supported on low surface area macroporous catalyst carrier: Influence of Co loading and process conditions[J].Industrial & Engineering Chemistry Research,2006(13):4597-4602. |
| [4] | Bitter JH.;Lercher JA.;Seshan K. .Mono and bifunctional pathways of CO2/CH4 reforming over Pt and Rh based catalysts[J].Journal of Catalysis,1998(1):93-101. |
| [5] | 王玉和,刘红梅,徐柏庆.NiO-MgO固溶体的形成对Ni/MgO-AN催化CO2重整CH4反应活性和稳定性的影响[J].催化学报,2005(12):1117-1121. |
| [6] | Ruckenstein E.;Hu YH. .ROLE OF SUPPORT IN CO2 REFORMING OF CH4 TO SYNGAS OVER NI CATALYSTS[J].Journal of Catalysis,1996(2):230-238. |
| [7] | 李基涛,陈明旦,严前古,万惠霖,蔡启瑞.高稳定度CH4/CO2重整Ni/MgO催化剂的研究[J].高等学校化学学报,2000(09):1445-1447. |
| [8] | Chen Y G;Tomishige K;Yokoyama K;Fujimoto K .[J].Applied Catalysis A:General,1997,165:335. |
| [9] | Soloviev S O;Kapran A Yu;Orlyk S N;Gubareni E V .[J].Journal of Natural Gas Chemistry,2011,20:184. |
| [10] | Xu B Q;Wei J M;Wang H Y;Sun K Q Zhu Q M .[J].Catalysis Today,2001,68:217. |
| [11] | Hua W;Jin L;He X;Liu J Hu H .[J].Catalyst Communication,2010,11:968. |
| [12] | Zhu X L;Huo P P;Zhang Y P;Cheng D G Liu C J .[J].Applied Catalysis B:Environmental,2008,81:132. |
| [13] | 郭芳,储伟,石新雨,张旭.等离子体引入方式对强化制备二氧化碳重整甲烷反应的Ni/γ-Al2O3 催化剂的影响[J].高等学校化学学报,2009(04):746-751. |
| [14] | 柴晓燕,尚书勇,刘改焕,陶旭梅,李祥,白玫瑰,戴晓雁,印永祥.常压高频冷等离子体炬制备的CH_4/CO_2重整用Ni/γ-Al_2O_3催化剂的表征[J].催化学报,2010(03):353-359. |
| [15] | Liu G H;Li Y L;Chu W;Shi X Y Dai X Y Yin Y X .[J].Catalyst Communication,2008,9:1087. |
| [16] | 魏俊梅,徐柏庆,李晋鲁,程振兴,王亚权,朱起明.CO2重整CH4纳米ZrO2负载Ni催化剂的研究（Ⅰ）--与常规载体上Ni催化剂的比较[J].高等学校化学学报,2002(01):92-97. |
| [17] | Wang N;Chu W;Huang L Q;Zhang T .[J].Journal of Natural Gas Chemistry,2010,19:117. |
| [18] | Arena F;Licciardello A;Parmaliana A .[J].Catalysis Letters,1990,6:139. |
| [19] | Xu H Y;Chu W;Luo J J;Liu M .[J].Catalyst Communication,2010,11:812. |
| [20] | 徐慧远,储伟,士丽敏,张辉,周俊.射频等离子体技术制备合成低碳醇用铜钴基催化剂[J].物理化学学报,2008(06):1085-1089. |
| [21] | Tomishige K;Chen Y G;Fujimoto K .[J].Journal of Catalysis,1999,181:91. |
| [22] | Chen Y G;Tomishige K;Fujimoto K .[J].Applied Catalysis A:General,1997,161:L11. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%