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COMPANY INTRODUCTION. 2010. AGENDA. Introduction Core Business UV Basics and Advantages Capabilities Questions. TROJAN FOUNDING PRINCIPLE.

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slide2

AGENDA

Introduction

Core Business

UV Basics and Advantages

Capabilities

Questions

trojan founding principle
TROJAN FOUNDING PRINCIPLE

Trojan is uniquely positioned to bring innovative, technology-based solutions to municipalities, industrial enterprises, and consumers to solve their water related and process problems in an environmentally responsible way.

slide4

TROJAN TODAY

A Global Environmental Business with staff of 650

Canada London & Guelph (400)

US Multiple locations (175)

Europe Multiple locations (50)

China Multiple locations (25)

  • • Over 6,000 municipal UV installations on 6 continents,treating over 26 billion gallons/day, 4M m³/hr

•UV for municipal, industrial, commercial and consumer applications

• Environmental Contamination Treatment UV-H2O2 for removal of micro-pollutants, odour and corrosion control

• Partnerships: Over 200 offices in 90 countries on 6 continents

• Logistics & Manufacturing in Canada, US, Europe and China

  • Sales in 2009: US$ 220 M.
trojan uv company overview
TROJAN UV COMPANY OVERVIEW
  • Over 30 years of UV water treatment experience
  • 650+ employees worldwide
  • Annual turnover of US$220M in 2009
  • Thousands of UV installations in 6 continents
  • Worldwide sales & support
  • UV pioneers with dedicated R&D resources
  • ISO 9001 Certified, CE, DVGW, UL, CSA, NSF
  • Business unit of the Danaher Corporation (DHR)
slide6

DISINFECTION WATERBORNE MICROORGANISMS

Microorganisms in drinking and waste water represent a risk to Public Health.

Bacteria

Viruses

Protozoa

(E.coli)

(Hepatitis, Polio)

(Giardia)

(Cryptosporidium)

uv disinfection how does it work

Cell Wall

DNA

Nucleic Acid

Cytoplasmic

Membrane

UV DISINFECTION HOW DOES IT WORK?

UV light at the 254 nm wavelength penetrates the cell wall of the microorganism.

The microorganism is “inactivated” and rendered unable to reproduce or infect.

UV Energy

slide8

Adenovirus

Rotavirus

Poliovirus

Hepatitus A

Legionella

Streptococcus

Crypto

Giardia

E.coli

UV AS PART OF MULTI-BARRIER STRATEGY

Typical Chlorine CT for Giardia

Chlorine

Disinfection

UV Dose

Typical Design UV dose = 40mJ/cm2

UV Disinfection

Dual

Protection

Chlorine CT

why uv advantages
WHY UV? ADVANTAGES
  • Effective against bacteria, viruses, and protozoan pathogens
  • No disinfection by-products formed
  • Not affected by pH, temperature
  • Easy maintenance and operation
  • Environmentally friendly technology
  • Economical alternative to other disinfection techs
core business disinfection
CORE BUSINESS DISINFECTION

Trojan develops, builds, sells and services innovative UV technologies for:

25,000 GPD to 1.5 MGD

Disinfection

1.5 MGD to 20 MGD

Eg. Bacteria, Viruses, Spores

Municipal Wastewater

Municipal Drinking Water

Private Potable Water

Industrial Process Water

Industrial Wastewaters

Consumer Drinking Water

core business organics destruction
CORE BUSINESS ORGANICS DESTRUCTION

Trojan develops, builds, sells and services innovative UV technologies for:

25,000 GPD to 1.5 MGD

Disinfection

1.5 MGD to 20 MGD

Organics Destruction

Eg. Bacteria, Viruses, Protozoa

Eg. Total Oxidizable Carbon (TOC)

Groundwater Remediation

Industrial Process Water

Industrial Wastewater

Municipal Wastewater

Municipal Drinking Water

Private Potable Water

Industrial Process Water

Industrial Wastewaters

Consumer Drinking Water

core business chemical destruction
CORE BUSINESS CHEMICAL DESTRUCTION

Trojan develops, builds, sells and services innovative UV technologies for:

25,000 GPD to 1.5 MGD

Disinfection

1.5 MGD to 20 MGD

Chemical Destruction

Organics Destruction

Eg. Bacteria, Viruses, Spores

Eg. Pesticides, oils, taste and color, corrosives medicines, carcinogens…

Eg. Total Oxidizable Carbon (TOC)

Groundwater Remediation

Industrial Process Water

Industrial Wastewater

Municipal Wastewater

Municipal Drinking Water

Groundwater Remediation

Industrial Process Water

Industrial Wastewater

Municipal Wastewater

Municipal Drinking Water

Private Potable Water

Industrial Process Water

Industrial Wastewaters

Consumer Drinking Water

uv system key components

Control Panel with

Visual Displays

& Alarms

UV Lamps

UV Sensor

Quartz

Sleeves

Power Supply (Ballasts)

Sleeve Wiping

System

Reactor Chamber

UV SYSTEM KEY COMPONENTS
advantages of uv disinfection
ADVANTAGES OF UV DISINFECTION

UV disinfection is a physical process

No hazardous or toxic chemicals are used, eliminating public health concerns associated with THMs, HAAs or other carcinogenic by-products

UV inactivates a broad spectrum of pathogens, including Giardia and Cryptosporidium

Inactivation of chlorine-resistant parasites protect downstream recreational waters and surface waters used as a potable water source

UV disinfection takes only seconds to inactivate organisms

Since the contact times are short, the footprint required is minimal and existing chlorine contact tanks can be reused

advantages of uv disinfection1
ADVANTAGES OF UV DISINFECTION

UV disinfection does not leave a residual disinfectant

No de-chlorination or residual monitoring is required, which greatly reduces operation and maintenance costs

Receiving waters are not negatively impacted and there is no risk of overdosing

UV is an accepted, proven technology in thousands of installations around the world

UV is easily designed by consulting engineers and approved by regulatory bodies, thereby reducing engineering costs and reducing permit approval time

Upgradeable to UV oxidation or photolysis system

Treatment process can be upgraded to treat emerging contaminants, offsetting upgrade costs in the future

how does uv work

Cell Wall

DNA

Nucleic Acid

HOW DOES UV WORK?
  • UV light penetrates the cell wall
  • The UV energy permanently alters the DNA of the microorganism
  • Microorganisms are “inactivated” and unable to reproduce or infect

UV Energy

mechanism of uv disinfection

A

C

G

T

A

A

C

A

G

DNA Double

Strand

T

G

C

A

T

T

G

T

C

UV

A

C

G

T

A

A

C

A

G

T

G

C

A

T

T

G

T

C

Dimerization

of Thymine

Nucleotides

DNA

dimer

MECHANISM OF UV DISINFECTION
definition of uv dose
DEFINITION OF UV DOSE

UV Dose = Intensity x Retention Time

(mWs/cm2) (mW/cm2) (seconds)

  • Higher dose means greater DNA damage and more bugs are killed
  • Different bugs require different doses to achieve same kills (e.g. bacteria vs. viruses)
uv transmittance

UV Transmission Scale:

20% - 50% 50% - 70%> 70%

  • Post-membrane
  • High-level reuse
  • Contaminant destruction
  • Secondary Effluent
  • Filtered Effluent
  • WW Reuse
  • Fixed Film Effluent
  • Primary Effluent
  • Blended Effluent
  • Lagoons
  • CSO, SSO
UV TRANSMITTANCE
  • The ability of light to transmit through water
  • The ratio of light entering the water to that exiting the water
  • Sample length of 1 cm
the effects of particles

Scatter

UV Light

UV Lamp

Complete

Penetration

Incomplete Penetration  limits DNA

damage

THE EFFECTS OF PARTICLES

Shade

Particles

quartz sleeve fouling
QUARTZ SLEEVE FOULING
  • What is Fouling?
  • Accumulation of organic and inorganic material on the quartz surface
  • Absorbs UV light and decreases UV dose available for disinfection
  • All water fouls submerged surfaces
  • Rate of fouling influenced by various site-specific factors (water quality, hydraulics and velocities, sleeve surface condition)
lamp aging
LAMP AGING
  • As lamps age the amount of UV output decreases
  • UV systems should be designed to deliver the required dose at the end of lamp life (EOLL) to ensure disinfection is met under worst case conditions
  • EOLL should be independently validated to guarantee the system meets the disinfection requirements
uv system validation
UV SYSTEM VALIDATION
  • As microbes flow through a UV reactor they will all follow a different path
  • Some will receive a high dose and some a lower dose
  • To account for these differences, “Validated” reactors should be used
  • “Validation” involves a full-scale test of the UV system involving live microbes
biodosimetery determination

6

10

5

10

4

10

Viable Microbial Population

3

10

2

10

Challenge Organism

Dose Response

1

10

Dose Response Curve

10

20

30

40

50

Dose

BIODOSIMETERY DETERMINATION

Step 1: Develop UV dose response data under controlled laboratory conditions

UV Lamp

Sample

Stirrer

Collimated Beam

biodosimetery determination1
BIODOSIMETERY DETERMINATION

Step 2: Inject test organism into full scale reactor to measure inactivation. Use organism from same culture.

Organisms

in (No)

Organisms

out (N)

UV Reactor

biodosimetery determination2

6

10

Challenge Organism Dose Response

5

10

Inactivation of test organism in

reactor

4

10

Viable Microbial Population

3

10

2

10

1

10

10

20

30

40

50

Dose

BIODOSIMETERY DETERMINATION

Step 3: Determine dose from data in Steps 1 and 2

UV Dose equivalent delivered

by the reactor

uv light and absorbance
UV LIGHT AND ABSORBANCE

254 nm

LP lamp

spectrum

100

80

60

40

DNA Damage

20

RELATIVE UNITS

10

8

EColi inactivation

6

MP lamp

spectrum

4

2

200

220

240

260

280

300 nm

UVC

UVB

slide33

QUESTIONS?

QUESTIONS?

Thank you for your co-operation and attention.

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