Characteristics of leachates from rundle shale processed in a lurgi pilot retort

Abstract
Results are presented of column leaching studies on Rundle spent shale under unsaturated flow conditions. Conductivity and pH were monitored and the leachate analysed for a range of elements and anions. The concentrations in the leachate of the highly soluble species (Ca, Mg, Na, K, SO2− 4, Cl), and correspondingly the conductivity, decreased significantly over the first few pore volumes of liquid. Other species (As, Se), while being present at much lower concentrations in the initial leachate, were either detected at a relatively constant concentration or found to increase with time.

This publication has 2 references indexed in Scilit: