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    • 40. 发明授权
    • Endothermic removal of coke deposited on sorbent materials during
carbo-metallic oil conversion
    • 在碳 - 金属油转化期间吸附沉积在吸附剂材料上的焦炭的吸热除去
    • US4412914A
    • 1983-11-01
    • US291656
    • 1981-08-10
    • William P. Hettinger, Jr.James F. HoffmanStephen M. Kovach
    • William P. Hettinger, Jr.James F. HoffmanStephen M. Kovach
    • C10G25/06C10G25/12C10G29/04
    • C10G25/06C10G25/12
    • A process is disclosed for decarbonization-demetallization of a poor quality residual oil feed boiling above about 650.degree. F. and comprising substantial Conradson carbon components to provide a higher grade of oil feed by contacting the poor quality oil feed with sorbent particle material containing one or more metal additives selected to catalyze the endothermic removal of coke with CO.sub.2. Sorbent decarbonization conditions are selected so that substantial quantities of carbonaceous material and metals are deposited on the sorbent in the decarbonizing zone. Sorbent material with metals and hydrocarbonaceous deposits is regenerated in the presence of an oxygen and carbon dioxide containing gas streams in separate sorbent regeneration zones at a temperature sufficiently elevated to remove residual coke to a desired low level. Regenerated sorbent particle material at an elevated temperature below about 1500.degree. F. is recycled to the poor quality oil feed decarbonizing zone for contact with additional feed. A select metal additive is provided in the sorbent particle material in an amount sufficient to particularly catalyze the endothermic removal of coke in the presence of a carbon dioxide rich gas at a selected sorbent regeneration temperature. A sorbent particle composition suitable for use in the process comprises a kaolin clay containing one or more of the metal additives which may be introduced into the clay during the oil feed decarbonizing process or during sorbent manufacture. Metal additives include water soluble inorganic metal salts and hydrocarbon soluble organo-metallic compounds of a select group of metals.
    • 公开了一种在约650°F以上沸腾的质量差的剩余油料进行脱碳脱金属脱蜡的方法,并且包括大量的康拉逊碳组分,以通过使劣质油料与含有一种或多种的 选择更多的金属添加剂来催化焦炭与CO 2的吸热去除。 选择吸附剂脱碳条件使得大量的含碳材料和金属沉积在脱碳区的吸附剂上。 具有金属和含烃沉积物的吸附剂材料在含有氧和二氧化碳的气流存在下在分离的吸附剂再生区中在足够升高的温度下再生以除去残留的焦炭至所需的低水平。 在高于约1500°F的高温下再生的吸附剂颗粒材料被再循环到劣质的进料脱碳区域以与另外的进料接触。 在吸附剂颗粒材料中提供选择金属添加剂,其量足以特别催化在选择的吸附剂再生温度下在富二氧化碳气体存在下吸热除去焦炭。 适用于该方法的吸附剂颗粒组合物包含含有一种或多种金属添加剂的高岭土,其可在进油脱碳过程期间或在吸附剂制备期间引入粘土中。 金属添加剂包括一组金属的水溶性无机金属盐和可溶于烃的有机金属化合物。