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Introduction to EnviroTech Electrocoagulation

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Presentation on theme: "Introduction to EnviroTech Electrocoagulation"— Presentation transcript:

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

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