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Consol energy, Coal mine wastewater and nacl production, Industrial wastewater reuse and zld – GE P&W Pure product concentrators and crystallizers User Manual

Page 7

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© 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