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BioGenesis Washing TechnologyPractical Application of Research

International Conference on Remediation of Contaminated SedimentsVenezia, Italy - 11 October 2001

BioGenesis Washing TechnologyPractical Application of Research

International Conference on Remediation of Contaminated SedimentsVenezia, Italy - 11 October 2001

SMSM

BioGenesis Enterprises, Inc.BioGenesis Enterprises, Inc.BioGenesis Enterprises, Inc.BioGenesis Enterprises, Inc.

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Presentation OutlinePresentation Outline

Background experience

Research and results

Conclusions and practical implications

Equipment derived from research

Background experience

Research and results

Conclusions and practical implications

Equipment derived from research

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Background ExperienceBackground Experience

1991-1992, U.S. EPA Superfund Innovative Technology (SITE) Program

1991-1992, U.S. EPA Superfund Innovative Technology (SITE) Program

1993, Environment Canada Contaminated Sediment Treatment Technology Program (CoSTTeP)

1993, Environment Canada Contaminated Sediment Treatment Technology Program (CoSTTeP)

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Practical ProblemPractical Problem

Surfactant washing can effectively clean organic contamination in larger soil particles

Surfactant washing can effectively clean organic contamination in larger soil particles

HOWEVERHOWEVER

Low energy mixing with chemicals has little effect on contaminated sediments

Low energy mixing with chemicals has little effect on contaminated sediments

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Research QuestionsResearch Questions

What are the limitations of solvent extraction?

What is the role of biomass in absorbing organic and inorganic contamination?

How do chemicals, impact pressure, and impact surface affect removal efficiencies?

What are the limitations of solvent extraction?

What is the role of biomass in absorbing organic and inorganic contamination?

How do chemicals, impact pressure, and impact surface affect removal efficiencies?

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ExperimentsExperiments

Use standardized mixtures of sand, silt, and clay

Use standardized mixtures of sand, silt, and clay

Investigate the role of biomass in absorbing contamination

Investigate the role of biomass in absorbing contamination

Test both organic and inorganic contaminants

Test both organic and inorganic contaminants

Determine the effect of physical impact in desorbing contaminants

Determine the effect of physical impact in desorbing contaminants

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7

16

67

76

52

13

46 45 43

9

31

43

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TYPE OF SOLVENT

WaterCarbon Tetrachloride

d-LimoneneBG Chem. #2

0

10

20

30

40

50

60

70

80

#6 Fuel Oil Tank Bottoms Plus Biomass

Solvent Extraction Effectiveness on

Sand

Silt

Clay

E2T2

Chemicals Extract Organic Biomass & ContaminantsChemicals Extract Organic Biomass & Contaminants

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Biomass Absorbs Organic ContaminantsBiomass Absorbs Organic Contaminants

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1,8902,930 4,380

5,250

1,190

1,740

2,300 3,5601,250

1,670

2,110

2,320

Elapsed Days

30

60

90

120

0

2,000

4,000

6,000

from Contaminated Water

Biomass Absorption of TPH

SandSilt

ClayE2T3

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Lead Contamination Migrates to Organic FractionLead Contamination Migrates to Organic Fraction

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5,000

4,160 4,270

3,746

3,2732,952

2,170

980

1,434

0 46 58296

984

1,490

1,967

2,972 2,830

0

734 607752 698 816

592 626 742

Elapsed Days

0 10 20 30 60 90 120 150 180

0

1,000

2,000

3,000

4,000

5,000

Partitioning of Lead Among Solid, Organic, & Water Phase

E5T6

In OrganicPart ofSolidsMixture

In WaterPhase

In SolidsMixture

Test Composition

30 % Sand30% Silt40% Clay

0.1% Humus

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Chemicals, Pressure Increase Extraction EfficiencyChemicals, Pressure Increase Extraction Efficiency

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4652

5763

7 6

1410

27

36 3539

6 710 9

1922

27 29

4 5 5 7

1317 18 19

2 47 5

AluminumCopper

Carbon SteelStainless Steel

0

10

20

30

40

50

60

70

Variables Affecting Lead Removal Efficiency

Water+Chemical

Water

Water+Chemical

Water

Water+Chemical

Water

Water+Chemical

Water

Variables: Type of Surface, Use of Chemical, Pumping Pressure

E4T5

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Experimental ConclusionsExperimental Conclusions

Higher contamination is on the smaller particles

Higher contamination is on the smaller particles

Chemical means should be combined with physical means for best results

Chemical means should be combined with physical means for best results

Effective cleaning requires separating biomass from the solid phase

Effective cleaning requires separating biomass from the solid phase

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Resulting Equipment: PreprocessorResulting Equipment: Preprocessor

Exposes solid particles to chemical and physical forces

Exposes solid particles to chemical and physical forces

Separates organic material from solids

Separates organic material from solids

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Resulting Equipment: Collision ChamberResulting Equipment: Collision Chamber

Cleans organic and inorganic contaminants from solids using impact force

Cleans organic and inorganic contaminants from solids using impact force

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Resulting ProcessResulting Process

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O xid a nt

Hig h Pre ssure

Wa te r

Preprocessing

Floatable Organic Removal

De b ris

Mix Tank

Cavitation/ Oxidation Unit

C le a ning C he m ic a ls

Hig h Pre ssure Wa te r

O ve r-Size d M a te ria l Disp o sa l

C he m ic a l

Aeration Tank

Skim m e d Floa ta b le O rg a nic s

Sa nd , Ya rd Wa ste Ad d itio n

Floa ta b le O rg a nic D isp o sa l

HydrascreenDredged Material

from BargePreprocessorM ixing TankSlurry Tank

Dredged Material Preparation

Sediment Washing

Organic Contaminant Oxidation

Liquid/Solid Separation

Beneficial Use Processing

Collision Chamber

HydrasanderPugmill M ixer

Effluent Water Storage/

Treatment

Beneficial Use Products

B ioG enesis S ed im ent W ash ing P rocess F lowSM

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Interaction of Chemicals and Equipmentin the BioGenesissm Washing Process

Interaction of Chemicals and Equipmentin the BioGenesissm Washing Process

0102030405060708090

100

1009080706050403020

00 20 40 60 80

10

100

Che

mic

al E

ffec t

i ven

ess %

Mechanical Effectiveness %

Decontamination %

Simple Matrix

Complex Matrix

E D

F

A. Chemical cleaning effect

B. Mechanical cleaning effect

C: Area requiring more chemicals & equipment

D: Mechanical matrix effect

E: Chemical matrix effect

F: Area of optimum cleaning efficiency

A. Chemical cleaning effect

B. Mechanical cleaning effect

C: Area requiring more chemicals & equipment

D: Mechanical matrix effect

E: Chemical matrix effect

F: Area of optimum cleaning efficiency

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Field Validation of ResearchField Validation of Research

Pilot project in New York/New Jersey harbor

-- U. S. EPA Region 2, U.S. Army Corps of Engineers (U.S. ACE), Brookhaven National Laboratory (BNL), 1999

-- 800 cubic yards - PAH, PCB, dioxin, metals

Pilot project in New York/New Jersey harbor

-- U. S. EPA Region 2, U.S. Army Corps of Engineers (U.S. ACE), Brookhaven National Laboratory (BNL), 1999

-- 800 cubic yards - PAH, PCB, dioxin, metals

Full scale demonstration in Kearny, New Jersey

-- State of New Jersey, Office of Maritime Resources, U.S. EPA, U.S. ACE, BNL, 2001-2002

-- 75,000 cubic yards - PAH, PCB, dioxin, metals

Full scale demonstration in Kearny, New Jersey

-- State of New Jersey, Office of Maritime Resources, U.S. EPA, U.S. ACE, BNL, 2001-2002

-- 75,000 cubic yards - PAH, PCB, dioxin, metals

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Contaminated Sediments CAN Be CleanedContaminated Sediments CAN Be Cleaned

Sediments are highly complex mixtures of organic and inorganic material

Experiments show that chemical and mechanical means can clean organic and inorganic contaminants

BioGenesissm chemicals and full–scale equipment implement experimental findings in a practical way

Sediments are highly complex mixtures of organic and inorganic material

Experiments show that chemical and mechanical means can clean organic and inorganic contaminants

BioGenesissm chemicals and full–scale equipment implement experimental findings in a practical way

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Mohsen C. Amiran, Ph.D. President, BioGenesis Enterprises, Inc.

Mohsen C. Amiran, Ph.D. President, BioGenesis Enterprises, Inc.

Cleaning today…for tomorrow tmCleaning today…for tomorrow tm

Thank YouThank You

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For More InformationFor More Information

Charles Wilde Don CarpenterBioGenesis Enterprises Montgomery Watson Harza7420 Alban Station Blvd. 4525 South Wasatch Blvd. Suite B-208 Suite 200Springfield, Virginia 22150 USA Salt Lake City, Utah 84124

USATel: 703-913-9700 Tel: 801-993-2498Fax: 703 913-9704 Fax: 801-272-0430Email: cwilde @ biogenesis.com Email: Donald.J.Carpenter @

mwhglobal.com

Charles Wilde Don CarpenterBioGenesis Enterprises Montgomery Watson Harza7420 Alban Station Blvd. 4525 South Wasatch Blvd. Suite B-208 Suite 200Springfield, Virginia 22150 USA Salt Lake City, Utah 84124

USATel: 703-913-9700 Tel: 801-993-2498Fax: 703 913-9704 Fax: 801-272-0430Email: cwilde @ biogenesis.com Email: Donald.J.Carpenter @

mwhglobal.com20011011-1920011011-19