PWB Factory
  • Factory :
  • Print wiring board factory
  • Water :
  • Copper sulfate from etching waste water
Parameter Unit Raw water Recovered water
pH 2.2 3
BOD mg/l 74 < 3
COD mg/l 260 120
SS mg/l 53 < 3
TDS mg/l 24,450 37
Grease & Oil mg/l 20 9
Cu mg/l 1,457 2.78
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