Case study - Coal mine
In October 2002, Procon went to Secunda to install a system to treat the water on an ongoing basis. Here are the details and photographs from the clean-up at this coal mine:
Product: Oily Water
Industry: Coal mine (Maintenance workshops)
Client: Sasol Twistdraai Colliery
Location: Secunda South Africa
Application: Coal Mine Workshop Wash Water, Oil removal
Equipment Supplied: Spinifex Model SP10,000 with aeration tank S2 suction skimmer and S1 suction skimmer for primary treatment.
Typical Process Data: Water Flow: up to 10m 3/hr
Oil type: Diesel, Engine oil, coolants, Lubrication oil
Typical Range Design: Oil and grease (mg/l): 10,000 -2,500
Average Discharge Effluent Design: Oil and grease: <10
Discharge Source: Mine Dam

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