Packaged Membrane Filtration System for Metal Wastewater Treatment
DiaFellow™ NR performance table
1. Recovery of useful metals
2. Compaction to reduce sludge volume
Example : Reduced sludge volumes by 50% - 75%.Boosted concentration of useful Cu metal by two to three times.

3. Compliant with wastewater regulations
Example : Ensures compliance with strict wastewater regulations.
Number | Company name | Metal | Raw water | Treated water | Wastewater regulations |
---|---|---|---|---|---|
1 | D Co. | Ni | 6.5mg/L | <0.05mg/L | <0.1mg/L |
2 | U Co. | Ni | 15mg/L | <0.05mg/L | <0.1mg/L |
3 | K Co. | Ni | 0.18mg/L | <0.05mg/L | <0.1mg/L |
4 | S Co. | Ni | 0.18mg/L | <0.05mg/L | <0.1mg/L |
5 | M Co. | Ni Cu |
30mg/L 3.4mg/L |
<0.05mg/L <0.05mg/L |
<0.1mg/L <0.3mg/L |
6 | S Co. | Ni | 210mg/L | <0.05mg/L | <0.1mg/L |
7 | A Co. | Ni | 95mg/L | <0.05mg/L | <0.1mg/L |
8 | K Co. | Cu | 100mg/L | <0.05mg/L | <0.3mg/L |
9 | E Co. | Ni | 500mg/L | <0.05mg/L | <0.1mg/L |
Appearance | ![]() |
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DiaFellow™ NR Flow Sheet

hollow fiber membrane used in DiaFellow™ NR

hollow fiber membrane used in DiaFellow NR
- Excellent chemical resistance
Uses PVDF for improved acid and
alkaline resistance - High mechanical strength
- High flux (water permeability)
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DiaFellow NR reliability and compact design
DiaFellow™ NR application table
Name | Suitability | Standard value >Standards for elimination of electroplating contaminants (GB21900-2008) |
---|---|---|
Flourine | ○ | 10 |
Hexavalent chromium | ◎ | 0.1 |
Nickel | ◎ | 0.1 |
Copper | ◎ | 0.3 |
Zinc | ◎ | 1 |
Cadmium | ◎ | 0.01 |
Mercury | × | 0.005 |
Lead | ◎ | 0.1 |