Removal of boron from metallurgical grade silicon by CaO-SiO2 based slags Yong Hou, Yue-dong Wu, Guo-Hua Zhang and Kuo-Chih Chou Metall. Res. Technol., 116 4 (2019) 413 Published online: 28 June 2019 DOI: 10.1051/metal/2019001