WebOct 1, 2024 · The oil viscosity after TST at 250 °C with the catalyst decreased by about 1.4–3.3 times at the corresponding shear rates compared to the original sample due to an increase in the depth of conversion of high-molecular mass components of heavy oil, as well as weakening of intermolecular interactions of aggregative combinations due to the ... WebAn innovative method combining CaCl 2 with subcritical water is proposed for in-situ mining of oil shale. The catalytic hydrothermal pyrolysis of block Huadian oil shale was carried …
Progress in Catalytic Pyrolysis of Oil Shale - PubMed
WebOil Shale Technologies As mentioned above, kerogen is converted to hydrocarbons during catagenesis. At this stage geological forces have buried the organic matter deep enough to reach temperatures associated with the so-called … WebThe pyrolysis of Dachengzi oil shale (OS), Huadian City, China, was carried out in a stainless-steel cylindrical retort at 520 °C both in the absence and presence of catalyst under argon atmosphere to evaluate the catalytic effects of Fe_2O_3 and CaCO_3 additives on the products yield and characteristics of non-condensable gases. tec adhesive products
Product distribution and coke formation during catalytic pyrolysis …
WebCatalytic pyrolysis is a promising thermochemical method to upgrade the fuel property of bio-oil through the deoxygenation of volatiles obtained from the pyrolysis of biomass. However, the formation of coke in either polymeric or catalytic form is the main obstacle in the development of robust catalysts for Sustainable Energy and Fuels Recent Review … WebFeb 13, 2024 · Most research efforts in the last 30 years have identified that optimum production of pyrolytic oils occurred between thermal cracking temperature of 350 °C and 500 °C. The plausible mechanisms of pyrolysis are the free radical chain mechanism involving the homolytic cleavage of the C–C bond, and the electron transfer mechanism. WebDec 1, 2024 · Catalytic pyrolysis is useful for product regulation of fuel. In this work, we studied oil shale catalytic pyrolysis with HZSM-5 and HUSY by experiments and DFT calculation. We discussed the catalytic pyrolysis in detail by analyzing product distribution, coke characteristics and adsorption of hydrocarbons in zeolites. Catalytic cracking of … teca heartwood interceramic