The non-catalytic hydrovisbreaking of straight-run mazut residue in an upflow reactor filled with inert turbulizer-packing having a cellular structure and a free volume of about 65% was investigated. Feedstock conversion of 55.1 % was obtained under moderate conditions for such a process (temperature 450°C, hydrogen pressure 5 MPa). The conversion of the non-volatile residue, boiling above 540°C, amounted to 90 % with 96 % demetallization and up to 76% conversion of asphaltenes and tars.. The main product of the hydrovisbreaking process was a kerosene—gasoil fraction with a yield of 43.6%. The distillate products of hydrovisbreaking were similar in quality to the distillates of a slow coking process, except for the lower sulfur content and the complete absence of silicon. The unconverted residue obtained after removal of the light distillates at atmospheric pressure had low viscosity and a low pour point. It can be used as feedstock in hydro purification for marine fuel production.

中文翻译：

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Mazut重油在多孔结构惰性填料上的加氢减粘裂化

研究了在上流式反应器中对直馏马祖渣油进行非催化加氢减粘裂化，该反应器填充有具有多孔结构和约 65% 自由体积的惰性湍流填料。在这种方法的中等条件下（温度 450°C，氢气压力 5 MPa）获得了 55.1% 的原料转化率。沸点高于 540°C 的非挥发性残渣的转化率为 90%，脱金属率为 96%，沥青质和焦油的转化率为 76%。收率为 43.6%。除了较低的硫含量和完全不含硅之外，加氢减粘裂化的馏出物产品在质量上与缓慢焦化过程的馏出物相似。在大气压下除去轻质馏出物后获得的未转化残余物具有低粘度和低倾点。它可用作船用燃料生产中加氢净化的原料。