This version is not peer-reviewed. Bilguun Mend,Youngjun Lee,Jang Ho Jay Kim *,Yong Sik Chu * Bilguun Mend,Youngjun Lee,Jang Ho Jay Kim *,Yong Sik Chu * This version is not peer-reviewed. This study investigated the potential use of fluorine-containing semiconductor industrial sludge as a mineralizer in Portland cement clinker production. Raw mixes were prepared by partially replacing raw materials with 6%, 9%, and 12% sludge and sintered between 1300 and 1500 °C.