Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Yong-Kul Lee"'
Autor:
Han-Beyol Park, Yong-Kul Lee
Publikováno v:
Fuel. 239:1265-1273
In order to design a suitable catalyst for hydrocracking (HCK) of vacuum residue (VR), a series of NiMoS/γ-Al2O3 catalysts were prepared with varying Mo loading amounts, Ni addition, P addition, and porosity of γ-Al2O3 support, and were applied for
Autor:
Hyun-Rok Jeong, Yong-Kul Lee
Publikováno v:
Applied Catalysis A: General. 572:90-96
Oil-dispersed WS2 catalysts were prepared in situ using an oil-soluble W precursor of W(CO)6 in the hydrocracking (HCK) of vacuum residue (VR). Smaller size of WS2 catalyst (WS2-DMDS) was also obtained by the addition of dimethyl disulfide (DMDS) wit
Publikováno v:
Journal of Catalysis. 347:127-137
The slurry phase hydrocracking (HCK) of vacuum residue (VR) in the presence of dispersed MoS 2 catalyst was investigated under varying temperature, pressure, and reaction time. Extended X-ray absorption fine structure (EXAFS) measurements were used t
Autor:
Yong-Kul Lee, Ki-Duk Kim
Publikováno v:
Applied Catalysis A: General. 607:117837
Effects of carbon black (CB) additives with dispersed MoS2 catalysts (d-MoS2) on the slurry phase hydrocracking (HCK) of vacuum residue (VR) were studied in an autoclave batch reactor at 693 K and 9.5 MPa H2. For comparison, commercial NiMo catalysts
Autor:
Yong-Kul Lee, Jisue Moon
Publikováno v:
Topics in Catalysis. 58:211-218
The hydrodeoxygenation (HDO) of guaiacol was investigated over SiO2, ZrO2, and active carbon (AC) supported Ni2P catalysts. The physical properties of the catalysts were analyzed by temperature-programmed reduction (H2-TPR), CO-uptake chemisorption,
Publikováno v:
Catalysts; Volume 8; Issue 3; Pages: 102
Catalysts, Vol 8, Iss 3, p 102 (2018)
Catalysts, Vol 8, Iss 3, p 102 (2018)
Amphiphilic phosphotungstic acid (A-PTA) and Ni2P/SBA-15 catalysts were prepared to apply for selective oxidation of refractory sulfur compounds in light cycle oils and hydrotreating of the oxidized S compounds, respectively. Physical properties of t