کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6578907 | 1422930 | 2018 | 37 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A packed-bed DBD micro plasma reactor for CO2 dissociation: Does size matter?
ترجمه فارسی عنوان
یک ردیف دیافراگم دیزلی پلاسمای بسته بندی شده برای دی اکسید کربن: اندازه ماده چیست؟
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کلمات کلیدی
TCDFlemish Institute for Technological ResearchXGCCGAPΔHRPeriod lengthPlasma powerprobability intervalCcellIRMSYSZCO2 dissociationVOCMFCDBDSEIthermal conductivity detector - آشکارساز هدایت حرارتیflame ionization detector - آشکارساز یونیزاسیون شعلهsupplementary information - اطلاعات تکمیلیSample size - اندازهی نمونهUpP - بالاEnergy efficiency - بهره وری انرژیDielectric barrier discharge - تخلیه مانع دی الکتریکVolatile organic compounds - ترکیبات آلی فرارcurrent - جاریVolumetric flow rate - جریان جریان حجمیFID - درPacked-bed reactor - رآکتور بسته بندی شدهYttria-stabilized zirconia - زیرکونیا تثبیت کننده Yttriacharge - شارژEnergy yield - عملکرد انرژیStainless steel - فولاد ضد زنگElectrical characterization - مشخصه برقDissociation rate - نرخ انحلالspecific energy input - ورودی خاص انرژیvoltage - ولتاژHigh voltage - ولتاژ بالا، فشارقویlow voltage - ولتاژ پایینVITO - ویتوPlasma - پلاسماgas chromatograph - کروماتوگرافی گازMass flow controller - کنترل جریان جرمی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
چکیده انگلیسی
DBD plasma reactors are of great interest for environmental and energy applications, such as CO2 conversion, but they suffer from limited conversion and especially energy efficiency. The introduction of packing materials has been a popular subject of investigation in order to increase the reactor performance. Reducing the discharge gap of the reactor below one millimetre can enhance the plasma performance as well. In this work, we combine both effects and use a packed-bed DBD micro plasma reactor to investigate the influence of gap size reduction, in combination with a packing material, on the conversion and efficiency of CO2 dissociation. Packing materials used in this work were SiO2, ZrO2, and Al2O3 spheres as well as glass wool. The results are compared to a regular size reactor as a benchmark. Reducing the discharge gap can greatly increase the CO2 conversion, although at a lower energy efficiency. Adding a packing material further increases the conversion when keeping a constant residence time, but is greatly dependent on the material composition, gap and sphere size used. Maximum conversions of 50-55% are obtained for very long residence times (30â¯s and higher) in an empty reactor or with certain packing material combinations, suggesting a balance in CO2 dissociation and recombination reactions. The maximum energy efficiency achieved is 4.3%, but this is for the regular sized reactor at a short residence time (7.5â¯s). Electrical characterization is performed to reveal some trends in the electrical behaviour of the plasma upon reduction of the discharge gap and addition of a packing material.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Chemical Engineering Journal - Volume 348, 15 September 2018, Pages 557-568
Journal: Chemical Engineering Journal - Volume 348, 15 September 2018, Pages 557-568
نویسندگان
Y. Uytdenhouwen, S. Van Alphen, I. Michielsen, V. Meynen, P. Cool, A. Bogaerts,