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首页> 外文会议>The American Institute of Chemical Engineers 2002 Spring National Meeting, Mar 10-14, 2002, New Orleans, LA >REFORMING OVER Zn-ZEOLITE HYBRID CATALYST
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REFORMING OVER Zn-ZEOLITE HYBRID CATALYST

机译：在锌沸石混合催化剂上重整

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摘要

Naphta reforming over Pt-type catalyst exhibits some inconveniences (the necessity of reducing S and N compounds and water to ppm concentrations, incomplete transformation of light n-paraffins, relatively high content of benzene in the reformate). Reforming over zeolite hybrid catalysts has the advantage that it can process various petroleum fractions (full-range naphta, light naphta, heavy naphta, catalytic cracking and cracking gasoline, etc), with desulphurisation degree reaching 90%, C_6+ paraffins being totally transformed and benzene content in the reformate being less than 3%wt. The paper describes extensive experimental work in reforming, with a zeolite double promoted with Zn (RO Patent 110000), operated at 350 - 450℃ and atmospheric pressure. The test reaction used for catalyst screening was the n-hexane conversion as it illustrates better the aromatic alkylation processes with higher alkanes, the reactant being in the range of gasoline composition. A detailed mathematical model including 23 chemical reactions enables simulation, parametric study and optimisation of the catalyst and of the reforming process.
机译：在Pt型催化剂上进行重整的石脑油显示出一些不便之处（将S和N化合物和水还原至ppm浓度的必要性，轻质正链烷烃的不完全转化，重整产品中苯的含量相对较高）。沸石杂化催化剂的重整具有可以处理各种石油馏分（全范围石脑油，轻石脑油，重石脑油，催化裂化和裂化汽油等）的优点，脱硫度达到90％，C_6 +石蜡被完全转化且苯重整产品中的含量小于3％wt。本文介绍了重整实验的广泛实验工作，该工作是在350-450℃和大气压下操作的，用Zn双重促进的沸石（RO专利110000）。用于催化剂筛选的测试反应为正己烷转化，因为它更好地说明了具有较高烷烃的芳族烷基化过程，该反应物在汽油组成范围内。包含23个化学反应的详细数学模型可以对催化剂和重整过程进行仿真，参数研究和优化。

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