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\begin{document}

\title{Effects of structural parameters on water film properties of transpiring
wall reactor}



\author[1]{Donghai Xu}%
\author[1]{Peng Feng}%
\author[1]{Yang Wang}%
\author[1]{Wanpeng Yang}%
\author[1]{Yu Wang}%
\author[1]{Shaoyan Sun}%
\affil[1]{Xi'an Jiaotong University School of Energy and Power Engineering}%


\vspace{-1em}



  
  \date{May 25, 2024}


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\selectlanguage{english}
\begin{abstract}
Reactor corrosion and salt deposition problems severely restrict the
industrialization of supercritical water oxidation. Transpiring wall
reactor can effectively weaken these two problems through a protective
water film formed on its internal surface. In this work, the effects of
key structural parameters on water film properties of transpiring wall
reactor were explored by numerical simulation, and established models
were validated by comparing simulation and experimental values. The
results show that transpiration water layer, transpiring wall porosity
and inner diameter hardly affected organic matter degradation.
Increasing transpiration water layer and transpiring wall porosity
reduced reactor center temperatures in the middle and lower zones of the
reactor. Increasing transpiration water layer, transpiring wall porosity
and inner diameter decreased water film temperatures but increased water
film coverage rates. Increasing reactor length affected slightly on the
volume of the upper supercritical oxidation zone but enlarged the
subcritical zone.%
\end{abstract}%



\sloppy


Dear Editor,

We would like to submit the manuscript entitled ``\textbf{Effects of
structural parameters on water film properties of transpiring wall
reactor} '', which we wish to be considered for publication
in\textbf{AIChE Journal} . The work described has not been submitted
elsewhere for publication, in whole or in part, and all the authors
listed have approved the manuscript that is enclosed. There are no
conflicts of interest in our present work.

\textbf{Copy of the Abstract:}

Reactor corrosion and salt deposition problems severely restrict the
industrialization of supercritical water oxidation. Transpiring wall
reactor can effectively weaken these two problems through a protective
water film formed on its internal surface. In this work, the effects of
key structural parameters on water film properties of transpiring wall
reactor were explored by numerical simulation, and established models
were validated by comparing simulation and experimental values. The
results show that transpiration water layer, transpiring wall porosity
and inner diameter hardly affected organic matter degradation.
Increasing transpiration water layer and transpiring wall porosity
reduced reactor center temperatures in the middle and lower zones of the
reactor. Increasing transpiration water layer, transpiring wall porosity
and inner diameter decreased water film temperatures but increased water
film coverage rates. Increasing reactor length affected slightly on the
volume of the upper supercritical oxidation zone but enlarged the
subcritical zone.

We believe the manuscript may be interested to the readers
of\textbf{AIChE Journal} . Thus, we wish to publish this paper in your
Journal. Thanks again for your attention to our paper.

Best regards

Sincerely yours,

Prof. Donghai Xu

Institute: Xi'an Jiaotong University, China

Address: Xianning West Road 28\#, Xi'an City, Shaanxi Province, China

Tel: +86-29-82665749

Fax: +86-29-8266-8703

E-mail: xudonghai@mail.xjtu.edu.cn

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