THE EFFECT OF NICKEL CONTENT IMPREGNATED ON ZEOLITE TOWARD CATALYTIC ACTIVITY AND SELECTIVITY FOR HYDROTREATING OF CASHEW NUT SHELL LIQUID OIL

Photo Interprétation Pub Date : 2020-06-12 DOI:10.54695/pi.02.02.53

M. L. Permata, W. Trisunaryanti

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Abstract

This research aims to investigate the effect of various amount of Ni metal which is impregnated on Mordenitetoward the catalytic activity of the Cashew Nut Shell Liquid Oil (CNSLO) hydrotreating process. The Ni/Mordenitecatalysts were prepared by wet impregnation method using Ni(NO3)2ꞏ6H2O with the Ni content varied under 1, 3, 5wt.% and mordenite which were dissolved in methanol and carried out drying, calcination, and reduction.Hydrotreating is carried out in a semi-batch stainless steel reactor which is flowed with H2 gas. The catalyst wascharacterized and analyzed by Fourier Transform Infrared, X-Ray Diffractometer, Scanning Electron Microscope-Energy Dispersive X-Ray Spectrometer, Transmission Electron Microscopy, Gas Sorption Analyzer, and AtomicAbsorption Spectrophotometer. The total acid amount test was carried out using ammonia vapor adsorption with thegravimetric method. The liquid product of hydrotreating was analyzed by Gas Chromatography-Mass Spectroscopy.Increasing the amount of metal impregnated on mordenite will increase the total acid site, activity, and selectivity ofthe gasoline fraction.

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沸石浸渍镍含量对腰果壳液油加氢处理催化活性和选择性的影响

研究了不同浸渍量的金属镍对腰果壳液油加氢处理过程中催化活性的影响。以Ni(NO3)2ꞏ6H2O为原料，采用湿浸渍法制备镍/沸石催化剂，镍含量分别为1、3、5wt。%和丝光沸石溶解于甲醇中，进行干燥、煅烧和还原。加氢处理是在半间歇式不锈钢反应器中进行的，反应器中有H2气体流动。采用傅里叶变换红外、x射线衍射仪、扫描电镜-能量色散x射线光谱仪、透射电镜、气体吸收分析仪和原子吸收分光光度计对催化剂进行了表征和分析。用氨气吸附法和重量法测定了总酸量。采用气相色谱-质谱联用技术对加氢处理液产物进行了分析。增加浸渍在丝光沸石上的金属量将增加总酸位、活性和汽油馏分的选择性。

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