Powdered Activated Carbon

• 88508-002.0 Addendum 2 (PDF, 230KB)
• 88508-002.0 Addendum 1 (PDF, 352KB)
• 88508-002.0 Bid Document (PDF, 688KB)

TECHNICAL SPECIFICATIONS

Powdered activated carbon furnished shall be a wastewater grade carbon suitable for use in the PACT wastewater treatment system.  Wastewater grade carbon shall mean a high particle density carbon that is readily wettable in the treatment system using the City’s feed system.  The carbon shall be produced by a steam or chemical activation process.  Ash content must not exceed 30% of delivered product.

Powdered activated volatile carbon shall have the following properties:

1)      Base Material                                         Coal, lignite, bark char, or wood

2)      Particle Size                                           65% minimum, 80% maximum passing 325 mesh

3)      Tamped Density                                     Report in lb/ft ³

4)      Water Solubles                                       Less than 6.0%

5)      Moisture as Packed                                6% maximum

6)      Ash Content                                           Maximum of 30% delivered product

7)   Mercury                                                     Report in ug/kg using EPA Method 7471A

8)      Silver                                                      Report in ug/kg using EPA Method 200.7

9)      Cadmium                                                Report in mg/kg using EPA Method 200.8

10)    Chromium                                              Report in mg/kg using EPA Method 200.8

11)    Copper                                                    Report in mg/kg using EPA Method 200.8

12)    Lead                                                        Report in mg/kg using EPA Method 200.8

13)    Nickel                                                      Report in mg/kg using EPA Method 200.8

14)    Zinc                                                         Report in mg/kg using EPA Method 200.8

15)     Arsenic                                                   Report in mg/kg using EPA Method 200.8

16)  Iodine Number                                           Report in mg/g

17)  Phosphorus                                                Report in mg/kg using EPA method 365.1

18)  Lithium                                                      Report in parts per billion (ppb)

19)  pH   Achieve acceptable pH (4-10 pH in plant water at 0.5lbs / gal slurry)