Strategy to Improve Recycling Yield of Aluminium Cans Victor Yuardi Risonarta, Juliana Anggono, Yosias Michael Suhendra, Setyo Nugrowibowo and Yahya Jani E3S Web Conf., 130 (2019) 01033 Published online: 15 November 2019 DOI: 10.1051/e3sconf/201913001033