Modern waste water treatment by Enviolet® – UV - Oxidation

References and applications

Enviolet®– UV –

Reactors

patented power controller (RECO)Corrosion resistant by Duran® - technologyIntegrated process accessories

dosingmixingcontrolling

More power for less investmentIncl. process – Know – How of a.c.k.

Enviolet®– UV –

Reactors

Minimum power: 12 kW

more UV by refreshing of lamp data during lamp change by integrated Data - card

Enviolet®– UV – Reactors

Enviolet®– UV – Reactors

Upgrading without additional space

Enviolet®– UV –

Reactors

two racks of each 40 kW

integration of thermal reactors

maximum flow-rate: 12 m³/h

Cyanomat®Modern cyanide detoxification by patented process

Installations: tap air portugal

Volume rate: 10,8 m³/d

C(CN): 100 – 20.000 mg/L

metal / limits in ppm

Ni / 0,5 ; Cu / 0,5 ; Cd / 0,1 ; Ag / 0,1 ; CN / 0,1

Features: with Stripper-concentrate, alk. precip.

further references:

AshaiPretec

Lufthansa

Metalor

Rohm&Haas

Shipley

Stalder

Largest unit: 110 m³/d

Smallest unit: 3 m³/d

electroless NickelExample: Thoma Metallveredelung

Batch size: 12 m³

Metal / conc. before treatment in ppm

Ni / 2500 ; Al / 400 ; Zn / 400 ; Cr / 100

Metal / limits in ppm

Ni / 0,5 ; Al / 2 ; Zn / 2 ; Cr / 0,5 ; P < 5

Features: with Ammonia, alk. precipitation

Further references:

BIA galvanisierte Kunststoffe (D)

Bolta Werke (D)

Decoma (D)

Fopac (D)

Fubag (CH)

MVT (B)

Rosenberger (Peking)

Largest unit: 24 m³/d

Smallest unit: 2 m³/d

Oxidation ofhypo-phosphite

Electroless copperExample: MULTEK EUROPE

Volume rate: 5 m³/d

C(EDTA): 10.000 – 35.000 mg/L

Metal / limits in ppm

Cu / 0,5 (alkaline precipitation)

Features: with Bath-concentrate

further references:

BASF (D)

Fuba (CH)

Lea Ronal (CH)

Shipley (China)

biggest unit: 240 m³/d

Smallest unit: 2m³/d

Zinc-NickelModern treatment by patented process

Example: Hella

Batch size: 18 m³

C(Polyamines): 100 – 1000 mg/L

Ammonia - containing

Metal / limit in ppm

Ni / 0,5 ; Zn / 2

Features: Ni oft < 0,1 ppm (alk. precipitation)

Further references:

Bauer

Hutchinson

Iskra

Paulstra

Largest unit: 15 m³/d

Smallest unit: 2 m³/d

Enviolet® TOC

Further processes

TOC – elimination in recycling waters:

References

EVOLON (F) 250 m³/h

Freudenberg (D) 245 m³/h

Idrosistem (I) 130 m³/h

Enviolet® COD

Further processes

COD – elimination in waste waters:

References

BASF

Bodycote

Fopac

Paulstra

During process COD is reduced and rest COD after oxidation is

transformed into BOD which can be eliminated in a biological

treatment.

Enviolet® AC

Further processes:

Elimination of active substances like:

Toxic compounds, antibiotics, hormones,

radio paque materials, chelators,

etceteras.

in production waste waters.

During process COD is reduced and rest COD after oxidation is

transformed into BOD which can be eliminated in a biological treatment.

Enviolet® Aromates

Further processes

Elimination of aromatics:

References

Arbonia (CH) 5 m³/d

Bodycote (D) 2 m³/d

HuF Hülsbeck & Fürst (D) 5m³/d

Enviolet® VOX

Further processes

VOX – Elimination: 32,000 m³/d

references

SWKA (D)

Volkswagen (D)

Photo: worldwide biggest UV – reactor

8 reactors positioned into ground for ground water remediation

Per reactor: 40 UV – lamps

4,000 m³/d

Enviolet® PGM

Further processes

PGM – elimination: 100 m³/h

Photo: fully capsulated UV – Reactors with 92 lamps in total

Performance:

Reduction from

400.000 ppm

to

100 ppm

(limits: 400 ppm)

Plating bath recycling

a.c.k.- UV - evaporator -

Copper bath

Nickel bathFor classic plating baths and pulse

plating baths

Keep the bath always at 100 %:

Constant production

Less reject

Lowers expenses

ROI < 12 month for PCB-production with high workload