Research materials

DND Electronics Company Limited

OZONE NaOCl STEAM

STEAM Is it possible to kill bacteria?

STEAM Is it possible to kill bacteria?

Pathogenic agents are not resistant to the thermal shock of

vapor cleaning. Research has demonstrated that saturated

steam treatment eliminates 99% of bacterial fungi and mold on

virtually any surface.

Unlike other cleaning methods, vapor is able to enter into all

surface cracks.

Source: http://www.menikini.com/uk/

STEAM Is it REALLY possible to kill bacteria?

53-45℃

25 angle

45-30℃ 30-26℃ 26-23℃

5cm 0cm 15cm 25cm 35cm

20℃

45cm

Laboratory data may show the

efficacy of steam to kill

bacteria.

But, it is not true in the field.

It is possible for steam to

remove bacteria at the site.

But in the case of steam, it is

difficult to expect a complete

sterilization because the steam

temperature significantly

decreases as distance

increases. NaOClean isn’t affected by

distance and temperature

because NaOCLean

electrolyzed water has

sterilizing power due to it being

a powerful oxidizer.

Ambient temp. 18 degree / Steam pressure: 2~3bar

STEAM Is it REALLY possible to kill bacteria?

Laboratory data may show the

efficacy of steam to kill

bacteria.

But, it is not true in the field.

It is possible for steam to

remove bacteria at the site.

But in the case of steam, it is

difficult to expect a complete

sterilization because the steam

temperature significantly

decreases as distance

increases. NaOClean isn’t affected by

distance and temperature

because NaOCLean

electrolyzed water has

sterilizing power due to it being

a powerful oxidizer.

OZONE

How is Ozone generated?

Ozone is a form of oxygen that is created when electrical energy

breaks apart an ordinary oxygen molecule (O2) starting a

chemical reaction that results in ozone (O3).

- Electrical energy breaks the ordinary O2 molecule into two

O1 atoms

- The free oxygen atoms unite with other O2 molecules to

produce ozone

- (O1) + (O2) = Ozone (O3)

Ozone is an unstable molecule because the 3rd oxygen atom is

connected to the other two atoms with a weak bond.

2. The separated atom is an

unstable and excited oxygen

atom.

1. Breaking atoms apart by Beam, UV,

Sunlight, accelerated electron,

wave and more.

O2 O3

3. The 3rd oxygen atom is connected

to the other two atoms and ozone is

formed by three oxygen atoms.

OZONE

How does Ozone work?

The unstable third oxygen atom can

combine with organic and inorganic

molecules to destroy or change them

through oxidation. This process happens

almost instantaneously.

The chemical process of ozone oxidation is

relentless. It continues until the ozone is

completely consumed.

When this beneficial third unstable atom

completes its oxidizing duties, it leaves

behind only the familiar oxygen molecule

like the ones in the air we breathe, O2.

Ozone (O3) gas

Water supply

Ozone Water

OZONE

Does it REALLY have strong

sterilizing power?

Ozone, a form of the gas, must be dissolved

into water.

However, because of a weak dissolution rate

between gas and water, numerous problems

arise such as:

-Decrease of sterilizing power

-Lower employee productivity due to the

effects of ozone exposure

-High electric power usage

-The onset of dizziness, headache and

nausea due to ozone exposure

Ozone (O3) gas

Water supply

Ozone Water

18% 82%

Goes into the air

as pollution

Decrease of

sterilizing power

OZONE

Is It Safe?

Low concentrations of ozone occur naturally in the

stratosphere, which is part of the Earth’s upper atmosphere.

At that level, ozone helps to protect life on Earth by

absorbing ultraviolet from the sun, particularly UVB radiation

that can cause skin cancer and cataracts, damage crops,

and destroy some types of marine life.

BUT, man-made ozone is extremely toxic and corrosive.

People who inhale ozone during repeated exposure may

permanently damage their lungs or suffer from respiratory

infections. Ozone exposure may reduce lung function or

aggravate existing respiratory conditions such as asthma,

emphysema or bronchitis. Ozone may also cause chest pain,

coughing, throat irritation or congestion.

Burning eyes, throat;

irritated mucous

membranes

Shortness of breath,

wheezing, coughing

pulmonary infarction,

Asthma attacks, chest pain

when inhaling, increased risk

of respiratory diseases

Increased risk of

heart attacks

STEAM OZONE NaOCl

NaOCl

Scientific, proactive and efficient

management of sanitation

Environmental changes caused by industrialized economies have

triggered extreme weather, such as high temperature with

humidity and heat waves, resulting in the proliferation of

microorganisms, such as food poisoning bacteria. This creates a

higher risk of food poisoning which used to occur on rainy

summer days begins to arise regardless of the weather.

NaOClean proposes a solution about these issues.

It produces powerful disinfection agents no risks to human

health or safety. NaOCLean offers substantial cost savings in

many circumstances. It is often considerably less expensive than

using traditional chlorine based chemicals.

Since NaOClean only needs a small amount of salt and tap water,

it is free of chemical related problems. It can sanitize everything,

and meets HACCP sanitation guidelines.

NaOClean

How does it work?

The NaOClean system ensures a reliable

supply of electrolyzed disinfectant of highly

active sodium hypochlorite (NaOCl).

Without affecting the pH level, electric

current passes through tap water mixed

with a small amount of salt in an undivided

electrolytic bath. The NaOCLean system

efficiently generates a stable Sodium

hypochlorite solution and other elements

such as OH (Hydroxyl radical) and H2.

You can also use other active reagents

such as hydrochloric acid (HCl) instead of

salt to produce hypochlorous acid (HOCl)

and other disinfecting solutions depending

on the reagent.

electrode reaction oxidation potential (eV)

F2 + 2e- = 2F - 2.87

HO(g) + H+ + e- = H2O 2.85

OH(aq) + H+ + e- = H2O 2.81

O(g) + H+ + e- = H2O 2.42

O3(g) + 2H+ + 2e- = O2 + H2O 2.07

CH3COOH+H2O2 = CH3COOOH+H2O 1.81

H2O2 (aq) + 2H+ + 2e- = 2H2O 1.78

M7O4 + 4H+ + 3e- = M7O2 + 2H2O 1.67

HO2 (aq) + H+ + e- = H2O2 (aq) 1.50

HOCL + H+ + 2e- = Cl- + H2O 1.49

Cl2 + 2e- = 2Cl- 1.36

O2 + 4H- + 4e- = 2H2O 1.23

ClO2 + e- = ClO2- 0.95

NaOCl Oxidation potential

Ozone

Peroxyacetic acid

Radicals

Hydrogen peroxide

Hypochlorous acid

Sodium Hypochlorite

Chlorine Dioxide

Oxygen

1. In equipment using an electrolytic bath with a

membrane to separate acidic and alkaline water:

-This process causes serious economic losses.

-The alkaline water should be kept in a different

tank or be abandoned from the bath because the

process does not use the acidic and alkaline

water simultaneously to produce acidic water.

-Due to its strong corrosive properties, the

produced water can corrode steel, stainless steel

and other metals, and it also can cause skin

damage.

-Declining performance of the membrane will

increase maintenance cost.

Tap water

Saline

solution

(0.2%)

Strong

acid water

(pH 2.2~2.7)

Strong

alkaline water

(pH 11~)

What makes the NaOClean

System better?

2. In case of using high concentration sodium

hypochlorite dilution equipment:

-It generates high level sodium hypochlorite

and inevitably produces a large quantity of corrosive

and odorous hydrochloric acid gas.

-Because it is not fully electrolyzed in the electrolytic

bath and is diluted with tap water the last step, it

does not produce activated chlorine water.

(Buffer reaction)

-It is similar to less effective conventional

disinfectants.

-In this preocess, electricity is wasted and significant

heat is generated that causes problems of

component failures and corrosion.

Electrolysis of

high-concentration

saline solution

Dilution Tap water

Sodium hypochlorite

diluted disinfectant

Measurement Method of Bacteria

There are major discoveries in the late 19th century.

-1884: Gram staining by Hans Christian Gram

-1887: Petri dish by Juilius Richard Petri

Although we could not proceed with experiments of Gram staining, we have tested

by Petri dish method and the results has shown that NaOCLean can reduce bacteria

counts by 99.99%.

1. Gram staining -Gram-positive bacillus : Diphtheria

bacillus, Actinomyces, Tetanus,

Pneumoniae, Staphylococcus, Anthrax

and more.

-Gram-negative bacillus : E.coli

(Escherichia coli, Salmonella, Dysentery

bacillus and more.

NaOClean

2. Petri dish Source: Korea Testing & Research Institute

99.99%

Initial 7.5X105 CFU/ml

▶Escherichia coli

99.99%

Initial 2.7X105 CFU/ml

▶Salmonella Typhi

99.99%

Initial 4.1X105 CFU/ml

▶E.coli 0-157 bacteria

99.99%

Initial 3.6X105 CFU/ml

▶Staphylococcus Aureus

99.99%

Initial 2.8X105 CFU/ml

▶Vibrio Parahaemolyticus

NaOClean

NaOClean Applications

1. Schools / Hospitals / Government

- Reduce infectious diseases by 90% and food poisoning by 70% by washing hands before and after

meals.

- Prevent various diseases by removing bacteria on the surfaces of the fruits, vegetables, fish,

meats and other foods.

- Sterilize rubber gloves, boots and of utensils.

Example of install : Sejong City Premier's offices & Government offices, Daegu Government offices, Masan Government offices,

the National Scientific Investigation Laboratory, Fair Trade Commission, Local Government Officials Development Institute,

National Defense Navy at the Second Fleet, Office of Education in Seoul City, and more than 6,000 School feeding facilities.

2. Pre & Post Harvest Vegetables / Seafood & Meat processing plants

- NaOCLean efficiently disinfects and removes bad odors in such facilities such as:

cafeterias, kitchens, restrooms, floors and drains.

- NaOCLean can solve the problems of biofilm induced slippery floor and bad odors.

- As neutral water, NaOCLean does not turn food brown or cause protein degeneration. It maintains

the freshness of food as it is processed.

- NaOCLean helps to maintain good personal hygiene by removing work related bacteria and bad

odors from hands and body.

Example of install : Busan Shinhyun Fishery, Fish processing plants in Norway / Singapore / Thailand / Indonesia / Malaysia /

Bahrain / Iran and more.

[Installation Example :

SHINHYUN SEAFOOD in BUSAN, SOUTH KOREA]

Reaction of overseas :

- User satisfaction of Fish processing plant in Bahrain on Nov, 2013

“This is to inform you that, we have tested your equipment in our factory and found that it can give a

satisfactory result. We are happy with it. Now our medical equipment company is going to work on

this machines and you can come to Bahrain, to meet some clients with our medical company team.

(…) I hopefully believe that we can promote your products in Middle East, if you help us.” Sabu Thomas in Bahrain

Reaction of overseas :

- After Boston Seafood Expo on Mar, 2014

“The NaOCLean system is a breakthrough technology which will make a significant positive impact on

the cleaning and sanitizing industry. The use of NaOCLean will have a profound effect on protecting

personal health and increasing food safety. Mark Wincent, Chief Technical Officer, USA

Reaction of user in meat processing plant :

“It is possible to remove grease spots and slime on the cutting boards, floor and more by spraying the

electrolyzed water. It helps to maintain a clean and hygienic environment and it is free from bad odors.

… It is surely effective, and I'm happy for meeting them.”

Satisfied Clients:

-Hanaro Mart, Lotte Mart, E-Mart, etc (like Walmart)

Status and Conditions :

-Hanaro Mart, Lotte Mart, E-Mart, etc (like Walmart)

Many domestic hypermarkets are going through serious hygiene problems at the

Fish and Meat sections.

Because various diseases and health problems are occurring continuously, the state

is evaluating the modernization of equipment and protocols for hygiene

management.

The NaOClean System ensures reliable a supply of highly active electrolyzed sodium

hypochlorite disinfectant that is generated with a small amount of salt not chemicals.

With NaOCLean’s strong sterilizing power and unsurpassed safety, we are looking

forward to playing an important role in solving the problems caused by chemical

usage.

3. Agriculture

- It is highly effective in controlling plant diseases such as Anthrax, Fusarium wilt, Mildew,

Black Shank, Dieback and more.

- Because there is no residual chlorine on the crops, it is possible to spray just before harvest and it

does not promote pesticide and fungicide resistance.

- By spraying NaOCLean electrolyzed water regularly, crop yields may be increased thus

increasing farmer income and consumer confidence.

Examples of installations : Tomato farms in Paju, Strawberry seedling farms in Suncheon, Turnip farm in Gangwha and more.

Spray in the

greenhouse

Crops

Reaction of user :

[Crop: Strawberry] (Suncheon-si, Jeollanam-do - Strawberry seedling farms)

-Test Method: Spray Hypochlorous acid water at intervals

of 3~5 days when the strawberry is seedling.

-Test Result: Decreased diseases (Anthrax, mildew, etc)

significantly without pesticide.

[Crop: Tomato] (Paju-si, Gyeonggi-do - Tomato farms)

-Test Method: Spray Hypochlorous acid water on the

leaves and stems at 3~5 days intervals when the tomato

plants begins to sprout.

-Test Result: Decresed diseases (Green mold, spotting

disease, etc) significantly without pesticide.

And it can remove bacteria on the surface and maintain

freshness by sterilizing crops.

*Anthrax

3.2X103 After 10sec. 1min. 3min.

*Green mold

4.7X103 After 10sec. 1min. 3min.

[YTN NEWS] (http://ytnscience.co.kr/program/program_view.php?s_mcd=0082&s_hcd=&key=201403141608187626)

4. Livestock

- NaOCLean helps control disease causing pathogens when sprayed on pens, feeders, walls, & floors.

-By spraying directly onto livestock using a sprayer, it serves as a non-toxic bacteria control wash and

helps maintains cleanliness and health of livestock.

- Has hemostatic properties. Has shown efficacy as adjunctive therapy for atopic dermatitis (AD).

-Important hygiene component for the prevention of the variety of viral diseases such as avian, pig

influenza.

Examples of installations : Anseong livestock, Aerang Ranch, Soshinburl farm, Beomsan Ranch, Sky Ranch and more.

5. Restaurants & Public facilities

- Help prevent secondary infections by sanitizing knives, cutting boards, dishes, utensils, dish

towels, tablecloths, napkins and more.

- Remove sticky biofilms and bad odors from tables and chairs in restaurants.

- With regular use, helps prevent bacteria, mold and algae build-up on floors.

- Prevent bad smells, mold and mildew in toilets, drains, sinks, baths, saunas and more.

Examples of installations : Paris Croissants, Morning Fruit, Yong highway rest area, Namseongdae Golf Course, Hanil Golf

Course, Food waste treatment plant and more.

6. Funeral Homes & Morgues

-Disinfectant of choice for use against viruses, including HIV and HBV.

-General disinfection of facility and related equipment.

- Sterilize medical devices to prevent cross-infection. (After using as a disinfectant, rinse the device

once).

- Does not corrode or stain instruments or stain the skin.

- Suitable for use in high risk autopsies.

Examples of installations : Incheon Seongmo Hospital Funeral Home, Daejeon Wellness Hospital and more.

NaOClean Series

DES-WS850 DES-8000 DES-10K DES-WA100E

AC 220, 60Hz (400W) AC 220, 60Hz (1.2kW) AC 220, 60Hz (1.2kW) AC 220, 60Hz (3kW)

W500 X D500 X H850 W650 X D610 X H1300 W480 X D300 X H490 W520 X D585 X H970

About 4L/min About 15~20L/min About 15L/min About 8~11L/min

About 35kg About 60kg About 25kg About 65kg

Saline tank: 20L Saline tank: 100L Salt tank: 5kg max. pressure: 130bar

Once: Salt 2kg

NaOClean Series

DES-P450 DES-WA50 DES-WD40 DES-H200

AC 100~240, free (330W) AC 220, 60Hz (2.4kW) AC 220, 60Hz (1.2kW) AC 220, 60Hz (300W)

W180 X D486 X H463 W615 X D767 X H1005 W440 X D400 X H930 W1360 X D570 X H1280

About 3~4L/min About 5~6/min About 5L/min About 8~11L/min

About 17kg About 50kg About 35kg Nozzle: Disinfectant X 3

Tap water X 3 Saline tank: 4L Saline tank: 50L Saline tank: 45L

Once: Salt 400g max. pressure: 100bar max. pressure: 80bar

“NaOClean is the best way

to improve human health

and environment.”

DND Electronics. Co., Ltd.