CRUSHED SHALE IS SUBJECTED TO A LEACHING TREATMENT PRIOR TO FINAL COMMINUTION THEREOF

摘要

A B S T R A C T O F T H E D I S C L O S U R EA METHOD OF TREATING SHALESKerogen-containing shale is crushed and comminuted to a fine-ness sufficient to free kerogen and any sulphides present in saidshale. To enable the shale to be finely-divided more readily, thecrushed shale is subjected to a leaching treatment prior to finalcomminution thereof.