Outstanding Paper Awards Subcommittee of Journal of Chemical Engineering of Japan has assessed the 116 papers published in volume 46 into 2013, and the editorial board finally selected the five papers for JCEJ Outstanding Paper Awards of 2013; those are the papers on "Radiation Properties of Coal Char Particle Cloud," "Evaluation of a Self-Heat Recuperative Thermal Process Based on Thermodynamic Irreversibility and Exergy," "Micropore Filling Phase Permeation of a Condensable Vapor in Silica Membranes: A Molecular Dynamics Study," "A Front-Tracking Method for Three-Phase Computations of Solidification with Volume Change," and "Development of New Hybrid VOCs Treatment Process Using Activated Carbon and Electrically Heated Alumite Catalyst."