Zhao YoucaiZhao Youcai, is currently a professor of environmental engineering at School of Environmental Science and Engineering, Tongji University. He had authored or co-authored 138 publications published in the peer-reviewed internationally recognized journas, 420 publications in China journals, authored or co-authored 75 books (as an author or Editor-in-chief). Zhen Guangyin, is currently JSPS research fellow at the National Institute for Environmental Studies (NIES), Japan. He received his BEng Degree in Environmental Engineering from Hunan University, China in 2008 and his Ph.D. from Tongji University, China Read More Read Less