A Green Approach Reuse of Spent Refining Catalyst for Friedel–Crafts Alkylation Reaction

Madhavi Madeti, Sharad V. Lande, G. Kalpana, R. K. Mewada, R. Jasra
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Abstract

We have attempted a green alternative to reuse the spent fluid catalytic cracking (FCC) catalyst that is used in petroleum refining industry for the upgradation and purification of various petroleum streams and residues. The spent FCC zeolite-based catalyst modified by enhancing the acidic properties by incorporating Zn and In metals in the matrix. The various prepared catalysts were systematically characterized by X-ray powder diffraction and Brunauer-Emmett-Teller (BET; adsorption isotherm) surface area. The acidity of the materials was studied by temperature-programmed desorption of ammonia (NH3-TPD). The well-characterized catalysts were applied for liquid phase benzylation of o-xylene using benzyl chloride.
废炼油催化剂在Friedel-Crafts烷基化反应中的绿色再利用
我们尝试了一种绿色替代方案,将石油炼制工业中使用的废流体催化裂化(FCC)催化剂用于各种石油流和残留物的升级和净化。通过在催化剂基体中掺入Zn和In等金属,提高催化剂的酸性,对废催化裂化沸石催化剂进行了改性。用x射线粉末衍射和brunauer - emmet - teller (BET;吸附等温线)表面积。通过程序升温解吸氨(NH3-TPD)研究了材料的酸度。将表征良好的催化剂应用于氯化苄液相苄基化邻二甲苯。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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