||Gas Requirements to Pressurize Abandoned Deep Mines. A Study of the Use of Inert Gases to Eliminate Acid Pollution from Abandoned Deep Mines.
||Rice (Cyrus Wm.) and Co., Pittsburgh, Pa.
Mine waters ;
Water pollution ;
Coal mines ;
Gas injection ;
Mine acid drainage ;
Water pollution control
||Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.
This study is the first phase of a complete inert gas blanketing demonstration project, involving the pressurization of abandoned deep mines with air to determine the gas injection rates required to maintain positive pressures within the mine during normal barometric changes.