oxidative desulfurization
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Author(s):  
Tong Zhang ◽  
Xuejing Chen ◽  
Bingjie Ding ◽  
Zuoji Ding ◽  
Yajun Wang ◽  
...  

Author(s):  
Yoshitaka Wakisaka ◽  
Hirokazu Okawa ◽  
Kumi Saigo ◽  
Takahiro Kato ◽  
Katsuyasu Sugawara

Abstract Oil sand contains about 15 wt% bitumen which contains approximately 5 wt% sulfur. Bitumen must be extracted from sand and desulfurized before use as a fuel. Currently, bitumen is recovered from sand using hot water (80 °C) and sulfur is removed by hydrodesulfurization (200–450 °C), which both consume large amounts of energy. Therefore, we investigated the separation of bitumen from sand and the oxidative desulfurization of bitumen using ultrasound and n-pentane at 20 °C. We successfully extracted 95 wt% bitumen from sand and removed 66.1% of the sulfur by oxidative desulfurization using 15 wt% H2O2 and 5 mol/L NaOH.


2022 ◽  
Author(s):  
Komal Desai ◽  
Swapnil Dharaskar ◽  
Mohammad Khalid ◽  
Vidyadhar Gedam

2022 ◽  
Author(s):  
Siyue Wang ◽  
Tong Huan ◽  
Haonan Li ◽  
Xin Shi ◽  
Di Liu ◽  
...  

The phosphomolybdic acid (HPMo) supported on microporous nanocrystalline titanium silicalite-1 zeolite (Nano-TS-1) catalysts were prepared in the absence or presence of hydrogen peroxide via the impregnation method. The catalysts were...


2022 ◽  
Vol 39 (1) ◽  
pp. 96-108
Author(s):  
Xingye Zeng ◽  
Adeyemo Adesina ◽  
Ping Li ◽  
Hanlu Wang ◽  
Rujin Zhou

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