Abstract: Embodiments provided herein include methods and apparatuses for purification and recycling of hydrofracture water used in natural gas drilling and production. Embodiments include removal of dissolved solids by precipitation with sodium sulfate and by evaporation using, for example, a multiple effect evaporator.
Type:
Grant
Filed:
January 26, 2010
Date of Patent:
September 17, 2013
Assignee:
Fairmount Brine Processing, LLC
Inventors:
John J. Keeling, Rex B. Tennant, II, David B. Wingard