1. Introduction to EnviroTech Electrocoagulation

2. Electro-what?!?

3. Environmental Protection Agency (EPA) Environmental Technology Verification Program (ETV)
Research on ETIG (through KASELCO partner) Electro-coagulation technology is peer reviewed by ETV
Here are research papers from ETV

4. Introduction to EnviroTech International ELECTROCOAGULATION

5. Electrocoagulation History
Dieterich Patent
Bilge Water Treatment
1980’s - Revival
Article in Products Finishing Magazine
First Kaselco Patent
Second Kaselco Patent
Third Kaselco Patent

6. First Prototype Cell
Early prototype
configuration

7. Interior Reactor Design

8. Present Applications Metal Finishing - Plating Remediation
Tannery (South Africa)
Emulsified Oils
Bilge Water
Die Casting
Truck Wash

9. EnviroTech Plating Application
Rectifiers and
Controllers for
Electrocoagulation
Reactors at EnviroTech
Electroplating

10. EnviroTech Electroplating Application

11. EnviroTech 2.27 tons/hour System

12. EnviroTech Plating Laboratory

13. EnviroTech Plating Laboratory
Spectroscope
Distiller
Digester
AA (not shown)

14. EnviroTech LAB Atomic Absorption Spectrophotometer

15. Electrocoagulation Concepts

16. Chemical Reactions Metals + Oxygen + Iron
Hexavalent Chromium + Hydrogen Ion pH
Oils + Oxygen
Bacteria + Oxygen or Hydroxyl Ion
Dyes + Hydrogen or Oxygen

17. Operating Costs – 12.5 tons/hour Unit
Bilge Water with Refinery Water
Costs Reduced 50%
Productivity Doubled
Added 13 Ships
Eliminated One Shift

18. Operating Costs - Plumbing Plater
Decorative Nickel/Chromium Process
Reduced sodium metabisulfite 90%
Eliminated Plant Odor
Eliminated Health Hazard
Reduced Sludge 40%
Reduced Treatment Cost 70%
Met Discharge Standards

19. EnviroTech Installation
Nickel, Chromium, Zinc, others
Reduced Sludge 40%
Reduced Chemicals >90%
Eliminated 15,000 Kg Salts in River
Assured Compliance with Standards

20. EnviroTech Electroplating Application

21. General Benefits Reduced Treatment Cost Reduced Chemical Usage
Reduced Sludge Generation
Simple Operation
Broad Spectrum of Treatment
Cleaner Effluent
Less Salt in Discharge
Lower Concentration of Contaminants

22. Typical Results CONTAMINANT INFLUENT mg/l EFFLUENT mg/l Oil Pipeline:
TPH 2,
Oil and Grease 2, <5.0
Bilge Water:
Turbidity (FAU)
Steel Coating:
Chromium <0.005
Cooling Tower:
Copper <0.005
Zinc <0.005

23. Typical Results CONTAMINANT INFLUENT mg/l EFFLUENT mg/l Die Caster:
Iron 1,
Nickel >
Zinc <LDL
Manganese <LDL
Plater:
Phosphate
Copper
Lead
Clarity (FAU) 2,

24. EnviroTech PILOT TEST 3-22-04

25. Die-casting Waste

26. California Electroplating Plant

27. California Electroplating Plant

28. California Electroplating Plant

29. Reactor Sizes & Capacities
2.5 GPM or 0.57 tons/hour
10 GPM or 2.27 tons/hour
25 GPM or 5.7 tons/hour
75-150GPM or 17.1 tons/hour-34.1 tons/hour
UP TO 1500 GPM or 342 tons/hour

30. 2.5 gpm (0.57 tons/hour) Reactor

31. Inside Reactor

32. 10gpm (2.27 tons/hour) Reactor

33. 25gpm (5.7 tons/hour) Reactor

34. Pilot Systems 0.57 tons/hour Sur-Flo Reactor Package
0.57 tons/hour Sur-Flo W/Solids Separation
0.57 tons/hour DAF
2.28 tons/hour Sur-Flo Reactor Package
2.28 tons/hour Hi-Flo Reactor Package
0.028 cubic meter Filter Press

35. 0.57 tons/hour Dissolved Air Flotation

36. 2.28 tons/hour Sur-Flo Reactor Package

37. 2.27 tons/hour Hi-Flo Reactor

38. 2.27 tons/hour Hi-Flo Reactor

39. Candidate Wastes Low Organics (“Aqueous”)
Metals < 450 ppm for one-pass treatment
Batch Treatment higher levels
Conductivity > 350 microSiemens
pH one point less than permit
Polluted lake, river, or well water as a drinking water source

40. Possible Applications
Textile Dyes
Mixed Metals and Organics
Oil & Grease