Earticle

초록

영어

10 wt% (Ni-Co) catalysts with different Ni and Co content : 10%Ni, 9%Ni1%Co, 7%Ni3%Co, 5%Ni5%Co, 3%Ni7%Co, and 10%Co; were prepared using sol-gel method followed by incipient wetness impregnation method. To investigate the catalytic activity including the stability, dry methane reforming were demonstrated over the pelletized catalysts at 620˚C under atmospheric pressure in a CH4:CO2:N2 feedstock for 360 min. The results showed that bimetallic catalysts with the Co content equal to or greater than 3% were more stable than monometallic catalysts (10%Ni and 10%Co). The temperature programmed hydrogenation interpreted that the additional of Co into Ni catalyst improved the carbon resistance from methane cracking. Promoted this type of bimetallic catalyst using 1wt% K (trimetallic catalyst) prevented the carbon formation on the catalyst. The temperature programmed desorption of CO2 indicated that this trimetallic catalyst has a greater number of strong basic sites. Moreover, the appearance of K lowered the number of weak basic sites and decreased the conversion of methane by 12 %.

목차

Abstract
 1. INTRODUCTION
 2. EXPERIMENTAL
  2.1 Catalyst preparations
  2.2 Catalytic activity test
  2.3 Characterization
 3. RESULTS AND DISCUSSION
  3.1 Performances and properties of x%Niy%Co/MgO-Al2O3
  3.2 Performances and properties of 7%Ni3%Co1%K /MgO-Al2O3
 4. CONCLUSION
 REFERENCES

키워드

저자

• Nichthima Dharmasaroja [ Department of Industrial Chemistry, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand, Research and Development Center for Chemical Engineering Unit Operation and Catalyst Design (RCC), King Mongkut’s University of Technology North Bangkok, Bangkok , Thailand. ] Corresponding Author
• Monrudee Phongaksorn [ Department of Industrial Chemistry, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand, Research and Development Center for Chemical Engineering Unit Operation and Catalyst Design (RCC), King Mongkut’s University of Technology North Bangkok, Bangkok , Thailand. ]
• Sabaithip Tungkamani [ Department of Industrial Chemistry, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand, Research and Development Center for Chemical Engineering Unit Operation and Catalyst Design (RCC), King Mongkut’s University of Technology North Bangkok, Bangkok , Thailand. ]
• Tanakorn Ratana [ Department of Industrial Chemistry, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand, Research and Development Center for Chemical Engineering Unit Operation and Catalyst Design (RCC), King Mongkut’s University of Technology North Bangkok, Bangkok , Thailand. ]
• Thana Sornchammi [ PTT Public Company Limited, Bangkok, Thailand ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  International Journal of Advanced Culture Technology(IJACT)

• 간기

  계간

• pISSN

  2288-7202

• eISSN

  2288-7318

• 수록기간

  2013~2025

• 등재여부

  KCI 등재

• 십진분류

  KDC 600 DDC 700