product concentrators and crystallizers

© 2013, General Electric Company
7
Pure Products
Consol Energy
Coal mine wastewater and NaCl production
• Mine wastewater and coal bed methane
produced water treatment
• Company has managed its mine waste-
water by pumping it to an adjacent mine
• Mine was facing closure and the loss of
$10MM/week in revenue
• Water savings: Recycling >99% (1590
gpm of 1600 gpm)
• Salt off take value: $50–100/ton ($1.5–
$3MM/year)
Industrial Wastewater Reuse and ZLD
Mine Pooling
Water
Lime softening
(primary &
secondary)
Ultrafiltration
(UF)
ZLD (Evaporator
+ Crystallizer)
Pure Water
Reverse
Osmosis (RO)
Road Salt
Virginia, US