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Received: 2013-06-03

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Journal of Zhejiang University SCIENCE A 2013 Vol.14 No.9 P.671-678


Development of non-premixed porous inserted regenerative thermal oxidizer

Author(s):  Jun-chun Zhang, Le-ming Cheng, Cheng-hang Zheng, Zhong-yang Luo, Ming-jiang Ni

Affiliation(s):  . State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   lemingc@zju.edu.cn

Key Words:  Porous media, Regenerative thermal oxidizer (RTO), Non-premixed CH4 combustion

Jun-chun Zhang, Le-ming Cheng, Cheng-hang Zheng, Zhong-yang Luo, Ming-jiang Ni. Development of non-premixed porous inserted regenerative thermal oxidizer[J]. Journal of Zhejiang University Science A, 2013, 14(9): 671-678.

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%T Development of non-premixed porous inserted regenerative thermal oxidizer
%A Jun-chun Zhang
%A Le-ming Cheng
%A Cheng-hang Zheng
%A Zhong-yang Luo
%A Ming-jiang Ni
%J Journal of Zhejiang University SCIENCE A
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1300198

T1 - Development of non-premixed porous inserted regenerative thermal oxidizer
A1 - Jun-chun Zhang
A1 - Le-ming Cheng
A1 - Cheng-hang Zheng
A1 - Zhong-yang Luo
A1 - Ming-jiang Ni
J0 - Journal of Zhejiang University Science A
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A1300198

In this study, a porous inserted regenerative thermal oxidizer (PRTO) system was developed for a 125 kW industrial copper-melting furnace, due to its advantages of low NO x emissions and high radiant efficiency. Zirconium dioxide (ZrO2) ceramic foams were placed into the combustion zone of a regenerative thermal oxidizer (RTO). Different performance characteristics of the RTO and PRTO systems, including pressure drop, temperature distribution, emissions, and energy efficiency, were evaluated to study the effects of the porous inserts on non-premixed CH4 combustion. It was found that the PRTO system achieved a significant reduction in the NO x emission level and a fuel saving of approximately 30% compared to the RTO system. It is most suitable for a lean combustion process at an equivalence ratio <0.4 with NO x and CO emission levels within 0.002%–0.003% and 0.001%–0.002%, respectively.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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