Voltea DiUse PoU Presentation

The world’s leading manufacturer of Membrane-Capacitive Deionization (CapDI © ), for salt-free, chemical-free water softening and desalination.

402D066_Rev01_Voltea_Overview

Why Voltea is Driven to Innovate… We fundamentally believe there is a lower cost, better way to desalinate

Voltea is driving a revolutionary, cost-effective and environmentally responsible water treatment and reuse technology into every business and household on the planet!

New Product Launch:

DiUse © : PoU System

Tried and proven at an industrial and commercial level, now the same robust, innovative CapDI technology is available as a PoU for your home or business. New compact sleek design: ü Fits easily under a counter or in a cupboard ü Automatic cleaning ü < 36 kg system weight With all the same great benefits: ü Tunable desalination

ü Capital efficient ü Energy efficient ü Low water wastage ü Non-polluting: chemical and salt free! ü Low fouling potential ü Low maintenance

Generation 3 DiUse ©

What is CapDI © Technology? CapDI is a simple 2-step process of purification and regeneration relying on our patented electrode and ion selective membrane combination.

+ + + + + + + + + + - - - - - - - - - - - - - - - - - -- -- - - -- -- - - - - + ++ +++ ++ + ++ + + - - - - - - +++ Typical voltage < 1.5V DC

Ion Exchange Membranes (Coatings)

Feed Hard/ Salty H 2 O

Purified H 2 O

Feed water passes between oppositely charged electrodes which electrostatically remove dissolved ions, leaving pure water flowing out of the cell.

Only negatively charged ions pass Only positively charged ions pass

- - - - - - - - - - - - - + + + + + + + + + + - - - -- -- - - - - -- - - - - + ++ +++ ++ + ++ + ++++ Typical voltage < 1.5V DC

Regenerate Flow

Low flow feed water flushing combined with flipping the cell polarity allows ‘regeneration’ (cleaning) as stored ions are rejected from the electrode, concentrated in the spacer channel and then flushed from the cell. The cycle is then repeated.

Standard Module Production

Technology advances and mass, robotic production have driven out cost

Modules

Voltea Modules

Components

Stacks

Flow

Step 1: Purify

Step 2: Regenerate

Mass Produced for all Voltea CapDI technology

Automated Robotic Assembly

Standardized C18 Module

CapDI - Purification

Why is desalination/purification necessary? And what causes it?

Example Constituents

Why Remove?

Hardness

Water Softening

• Improve water quality • Protect & optimize equipment

CaCO 3 MgSO 4

, CaSO 4 ,

Ionic Species

Water Deionization

• Taste, reduce & reuse • Equipment performance • Meet process/feed requirement

Na + , Cl - , K + , Fe 2+ , HCO 3 -

Toxic Components

Water Detoxification

Chelating agents, Arsenic, Selenium, Cyanide, Lead, nitrates Metals & precious metals

• Improve water quality for health

High Value Components

Waste Water Treatment

• Recovery of valuable materials • Reduce expensive waste disposal • Discharge regulatory compliance

Specifications

Specification and Design

1.5 - 3.1 L/min* (0.4 - 0.8 gpm)

Flow Rate; Net Pure Water Production

Salt Removal

25 - 90 % 40 - 90 %

Water Recovery

5 - 60 °C (40 - 140 °F)

Water Temperature

RESIDENTIAL ESI E TI L

CONSUMER APPLIANCE

INDUSTRIAL

I

VERTICALS

COMMERCIAL

Consumer Appliance Applications o Coffee/Cappuccino Machine - Softening

o Dishwasher Feed - Softening o Clothes Washer - Softening o Point of Use - Drinking Water

CONSUMER APPLIANCE

RESIDENTIAL

Residential Applications o Residential Point of Entry - Whole Home Softening

o Multi-Family o Single Family o Traditional Softener o Point of Use - Drinking Water

Bryan Brister CEO Bryan.Brister@voltea.com

www.voltea.com info@voltea.com

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