STUDY ON THE ELUTION OF ALKALINITY FROM STEEL-MAKING SLAG PILED IN SEAWATER

Abstract

 For the proper planning of coastal environmental improvement works utilizing steel-making slag, evaluation for influence on pH of surrounding seawater is indispensable. However, alkalinity elution from steel-making slag piled in seawater is complicated process with mass transport in porous medium which depend on the many factors such as slag diameter, porosity and pile thickness . In this study, an analytical model for alkalinity elution from steel-making slag piled in seawater was proposed and verified by previous flume experiment. Dependence of alkalinity elution on piling condition was revealed.