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The effects of Ni promoter on Mo-S/CNT catalyst towards hydrodesulfurization (HDS) and hydrogen evolution reactions (HER) were studied. Ni promoter was introduced into Mo-S/CNT catalyst by one-step or mechanical mixing method, and Ni species presented in the form of Ni-Mo-S or Ni3S4, respectively. Catalytic assessments indicated that Ni-Mo-S structure had obviously better HDS and HER activities than...
The potential usage of hematite nanoparticles as heterogeneous catalysts in aquathermolysis was investigated in this work. The desulfurization of thiophene was studied to investigate the catalytic activity of hematite in the aquathermolysis of heavy oil. It was found that reaction conditions, e.g., reaction time and temperature, ratio between thiophene and water, hematite nanoparticle size, catalyst...
Studies of CO 2 foam stabilized with silica nanoparticles at reservoir conditions were carried out for CO 2 foam enhanced oil recovery (EOR) application. In the study described in this paper, three types of silica nanoparticles with varied wettability were employed to study the effects of particle hydrophobicity on CO 2 foam generation at reservoir conditions. The results showed...
This work presents a facile and rapid approach for the preparation of graphene sheet (GS) decorated by nanometer scaled molybdenum disulfide (MoS 2 ) with effective hydrodesulfurization activity for carbonyl sulfide conversion at low temperature (<300°C). Using functionalized GS as microwave susceptor and ammonium tetrathiomolybdate as the precursor of MoS 2 , nanocomposites consisting...
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