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Ozone Water Treatment Systems
74
How RGF Produces Ozone for Water Treatment
Decades ago, scientists discovered how to artificially produce ozone through electrical discharge. The method has been
used in Europe for water purification since the early 1900’s and has been rapidly gaining popularity in municipal water
plants in the United States. This type of ozone production is generally used in high demand and high flow applications.
In the 1970’s, an inexpensive and reliable method of making ozone was discovered utilizing a specific wave of UV light.
Ozone generated from UV light is just as effective as ozone produced from electrical discharge or naturally occurring
ozone. This production method is preferred for many applications based on cost, reliability, maintenance, and quantity. This
method is generally used in low flow, low demand applications. (Up to .1%). Corona Discharge units utilize an electrical
ground to generate ozone. These units require air preparation and are higher in maintenance but can produce heavy volumes by weight
Industries have been using ozone successfully for many years in a wide range of applications, including food and beverage processing, water purification, swimming pools, algae removal in ponds, and spa purification. In recent years, ozone’s
benefits also have been realized in the food industry and wastewater treatment business.
RGF started experimenting with ozone in 1985 and cautiously started using the RGF TurboHydrozone® in their wastewater
treatment systems in 1987. The TurboHydrozone® was a great success and drastically improved our wastewater system
performance.
The RGF Ozone Water Treatment Plan
The RGF ozone water treatment program consists of the following:
• Ultraviolet Light (UV) produced ozone - Up to 0.1% concentration (for low demand water treatment)
• Corona Discharge (CD) produced ozone - Up to 5% concentration with oxygen (for high demand potable or wastewater
treatment)
RGF TurboHydrozone® UV Ozone Systems are low cost, low maintenance systems ideal for low flow water systems where
high concentrations of ozone are not necessary. UV ozone is also very effective in low flow advanced oxidation systems
such as RGFs CO3P or UV/O3 systems.
RGF CD Ozone Systems are preferred when high concentrations of ozone are needed to achieve high mass transfer efficiency in water such as :
• High flow rates
• Ozone residuals in water
• Single pass treatment
• Wastewater disinfection
Note: refer to the Engineering Data Section for a comparison of UV vs. CD ozone
Applications
The TurboHydrozone® Ozone Water Treatment Systems destroy by oxidation the following water contaminants:
• Bacteria
• Algae
• Color
• Manganese *
• Viruses
• Odors
• BOD/COD
• VOC’s
• Iron *
• Oils, Fats and Grease
• Chlorine
* by precipitation
Water Treatment Sizing Formula
Use the following formula for calculating the applied dosage of ozone in water.
(Grams per hour / Gallons per minute) X 4.41 = PPM Dosage
Example for TurboHydrozone® Model 60:
This is an example of a 5 gpm venturi system utilizing a TurboHydrozone® Model 60.
(0.24 gm/hr / 5 gpm) x 4.41 = 0.211 PPM Dosage
The amount of applied ozone to purify water depends upon the temperature and the amount and type of contaminants in
the water.
3875 Fiscal Court, West Palm Beach, Florida 33404
1-800-842-7771, (561) 848-1826, Fax (561) 848-9454
http://www.rgf.com
75
Ozone Water Treatment Systems
TurboHydrozone® Models 30, 60, and 120
Ultraviolet Light Ozone Generators
These extremely durable, low cost ozone generators for water treatment are designed to be used in holding tanks, pools, decorative fountains or water treatment and recycling systems. Generators require either a Macro-Aerator, Bubble Blaster, or
Ozone Venturi for ozone dispersion into the water. Air preparation system not required.
• Dimensions:
** note:
-12 = 12V DC
-16 = 110V AC
-25 = 220V 50Hz
-26 = 220V 60Hz
Item #
TH30-**T
TH30-**T
TH60-**T
TH60-**T
TH120-**T
TH120-**T
Model 30-HO: 4”D x 24”L
Model 60-HO: 6”D x 48”L
Model 120-HO: 8”D x 48”L
• Electrical:
Model 30-HO: 120/220 VAC 50/60 Hz 1.0 Amps
Model 60-HO: 120/220 VAC 50/60 Hz 2.0 Amps
Model 120-HO: 120/220 VAC 50/60 Hz 3.0 Amps
• Ozone Generator:
185 NM high output ultraviolet light source
• Air Preparation:
Not necessary undried air does not effect generator
Air dryer or oxygen feed optional
Note: Please specify power requirements at time of order.
Ozone Output* @
1 cfm
5 cfm
20 scfh
Description
TurboHydrozone® Model 30-HO - 110 VAC
TurboHydrozone® Model 30-HO - 220 VAC
TurboHydrozone® Model 60-HO - 110 VAC
TurboHydrozone® Model 60-HO - 220 VAC
TurboHydrozone® Model 120-HO - 110 VAC
TurboHydrozone® Model 120-HO - 220 VAC
0.27
0.27
0.43
0.43
2.20
2.20
g/hr
g/hr
g/hr
g/hr
g/hr
g/hr
0.324 g/hr
0.324 g/hr
0.72 g/hr
0.72 g/hr
3.10 g/hr
3.10 g/hr
0.54
0.54
2.70
2.70
7.00
7.00
Ship Wt.
10 lbs.
10 lbs.
22 lbs.
22 lbs.
31 lbs.
31 lbs.
g/hr
g/hr
g/hr
g/hr
g/hr
g/hr
* Ozone output tested at 80o F and 40% relative humidity (no air preparation).
RGF TOPS Systems
Point of Entry Ozone Water Treatment Systems
The RGF TOPS-10 and TOPS-28 are point of entry total ozone purification systems for
well water or municipal water treatment. The Systems utilize corona discharge generated ozone to reduce waterborne contaminates such as iron, manganese, e-Coli, and
hydrogen sulfide. In addition the ozone oxidation provides brilliant clarity to the water
and improved taste. The systems come completely skid mounted with an air dried
corona discharge ozone generator, stainless steel booster pump, injector, fiberglass
contact tank, vacuum break and a dry contact time delay circuit to control the system.
Specifications
Dimensions
Electrical
Ozone Production
Contact Tank
Shown: TOPS-28
Item #
TOPS-10
TOPS-28
Description
RGF TOPS-10 Ozone System
RGF TOPS-28 Ozone System
Control
Options
Ozone Output @ 5 scfh
1.25 g/hr
2.8 g/hr
56” H x 30” W x 30” D - TOPS-10
66” H x 30” W x 30” D - TOPS-28
110 VAC, 60 Hz, 15.0 A
Single tube dielectric w/ built-in
swing heat regenerative air dryer
30 Gallon - TOPS-10.
40 Gallon - TOPS-28
Dry Contact activated time delay
UV Catalytic Chamber (SA-006T)
Flow Rate
10 gpm
15 gpm
Ship Weight
166 Lbs.
210 Lbs.
3875 Fiscal Court, West Palm Beach, Florida 33404
1-800-842-7771, (561) 848-1826, Fax (561) 848-9454
http://www.rgf.com
76
Ozone Water Treatment Systems
RGF Model OCS
Ozone Contacting System
Ozone is a colorless gas that occurs naturally in the atmosphere. It is the most
powerful commercially available oxidizer known to man. Ozone is made from
oxygen and reverts back to oxygen upon decomposition. Ozone is more effective than chlorine and it destroys odors, mold, yeast and microorganisms such
as E. Coli., Salmonella, and Listeria Monocytogenes. The use of ozone as a
disinfectant is not a new technology and has been used for almost one hundred
years as a primary treatment for drinking water supplies.
Food processors have long relied on chemicals and heat to assist in
the control of bacteria on food surfaces, plant equipment, and food contact surfaces during processing and just before final packaging. Prior to June 2001, the
use of ozone was not allowed for anti-microbial treatment of food. Both FDA
and USDA have now approved ozone for food contact. The use of ozone provides the highest level of sanitation and avoids the use and handling of hazardous chemicals. In addition, since ozone rapidly decomposes to oxygen,
there would be no possibility that any residue would remain on food surfaces.
RGF Anti-Microbial Ozone System is designed for accurate, reliable ozone
application for continuous treatment of food products, slicing blades, conveyor
belts, and other food contact surfaces. Ozone-laden water is also employed
during plant sanitation and CIP processes. The ozone system is mounted in an
integrated stainless steel enclosure.
The ozone system consists of a high efficiency, air-cooled, corona discharge ozone generator with internal oxygen concentrator/compressor. The
mass transfer system is designed for maximum efficiency. This includes an
injector, contactor, and degassing separator. An off-gas destruct unit is included to capture any ozone not dissolved into water. If needed an optional booster pump can deliver ozone-laden water up to several hundred feet away from
the generation point.
The instrumentation package includes a dissolved ozone residual analyzer, 4-20 mAmps controller, pressure gauges and indicator lights.
The purpose of the residual analyzer is to continuously monitor the
level of residual ozone at the water outlet. Through the controller,
this signal is used to increase or decrease the output of the ozone
generator at the selected level (set point). An optional ambient
ozone detector is also available.
Specifications
Dimensions:
Weight:
Power requirements:
Connections: Water inlet:
Ozonated Water Outlet:
Ozonated Water Return:
Materials:
Maximum Flow Rate
Ozone Output
Item #
OCS10-**T
OCS16-**T
OCS30-**T
OCS45-**T
OCS60-**T
Description
5 GPM (@ up to 3 ppm O3)
16 GPM (@ up to 3 ppm O3)
20 GPM (@ up to 3 ppm O3)
30 GPM (@ up to 3 ppm O3)
40 GPM (@ up to 3 ppm O3)
*Larger Units Available
Voltage
220V 3PH 15A
220V 3PH 20A
220V 3PH 30A
220V 3PH 30A
220V 3PH 30A
60" Wide x 42" Deep x 64" High
630 pounds
220VAC, three phase, 60 Hz. 15 A
1 ½" Sanitary
1 ½" Sanitary
1 ½" Sanitary
304 Stainless Steel
20 gpm
Over 1 ppm @ 20 gpm
Ship Weight
CALL
CALL
CALL
CALL
CALL
**
-12
-16
-25
-26
=
=
=
=
12V DC
110V AC
220V 50Hz
220V 60Hz
**Different electrical requirements can be accommodated
3875 Fiscal Court, West Palm Beach, Florida 33404
1-800-842-7771, (561) 848-1826, Fax (561) 848-9454
http://www.rgf.com
77
Ozone Water Treatment Systems
Medium and High Volume Fluid Sterilizer
RGF has developed a specialized fluid treatment system. The unique design of
this system incorporates precision machining to optimize fluid flow characteristics
as well as ultraviolet light transmittance into the fluid space. The vertical reactor
design allows for continuous operation at pressures as high as 50 PSI while providing the smallest possible footprint. A single pass through this unit results in a
UV exposure in excess of 40,000 microwatt-sec/cm2. The entire outer shell
assembly of the unit can be removed in minutes by simply removing the TriClover style clamps and lifting the shell off the unit base. With the outer shell
removed, the interior of the unit is accessible for visual inspection. This simple
design facilitates routine inspections to ensure proper CIP procedures are being
followed in critical operating environments.
This system is easily incorporated into existing loops with the unit inlet and outlet
connections being located on the outer tube assembly. This allows the connections to be rotated 360 degrees to accommodate existing plant system components. This unique feature also makes it possible to easily accommodate multiple
units in parallel configurations for higher flow rate applications.
Patent Pending
All systems come standard with: stainless steel construction, optical display panels for lamp status, an electronic leak detector with alarm contact and visual indicator light, pump interlock, FDA approved high impact polymer which encase the
emitters to prevent breakage and fluid contamination,the non-polar surface properties greatly inhibits fouling reducing system maintenance. Stainless Steel enclosures and factory installed flexible interconnects.
Specifications (Medium Volume Unit)
Material
Electrical
Flow rate
Max operating pressure
Connections:
Stainless Steel
120 volt 25 A
40 gpm (per unit)
50 psi
1.5” Sanitary
Specifications (High Volume Unit)
Material
Electrical
Weight
Flow rate
Max operating pressure
Connections
Item #
FLUV40-**T
FLUV200-**T
Stainless Steel
120 volt 30 amps
375 lbs.
200 gpm (per unit)
50 psi
3” Sanitary (Tri clover style)
Advantages
•Continuously kills microbes in fluid during
processing
•High volume flow rate ideal for large processors
•CIP compatible
•Visual inspection of all internals accomplished in minutes
•Multiple unit configurations available for higher flow streams
•Small unit foot print with remote electronic
enclosure to optimize production space
•Omni directional inlet and outlet connections
•Stainless steel construction using industry
standard Tri-Clover sanitary fittings
•Standard - lamp status display panel
•Standard - leak detector circuitry
**
•Standard - pump alarm control relay
-16 = 120V 60 Hz
•Standard - Stainless Steel electrical enclosure
-25 = 220V 50Hz
-26 = 220V 60Hz
•Standard - Pumps interconnect
Description
Ship Weight
560 Lbs.
Medium Volume Fluid Sterilizer 40 gpm
High Volume Fluid Sterilizer 200 gpm
560 Lbs.
Replacement Parts
Item #
FLUV40
FLUV200
Description
Replacement Element for 40 gpm UV Fluid Sterilization System (24 Elements)
Replacement Element for 200 gpm UV Fluid Sterilization System (31 Elements)
3875 Fiscal Court, West Palm Beach, Florida 33404
1-800-842-7771, (561) 848-1826, Fax (561) 848-9454
http://www.rgf.com
78
Ozone Water Treatment Systems
TurboHydrozone® UV Ozone Systems
Complete UV Ozone Water Treatment Systems
These low cost units are specifically designed to treat holding tank water by reducing odor, color, and algae build-up in the
water. Three different models to choose from to accommodate a wide range of conditions. These units are fully automatic,
easy to install, and require low maintenance.
Model CWM Macro Aerator System
The model CWM was designed to treat tanks up to 400 gallon
capacity with light organic loading. The Macro Aerators can be put
into tanks through man ways or access covers. The CWM is capable of treating multiple tanks with additional Macro Aerators (up to
400 gallons each). The system requires a compressed air source
(RGF’s optional air compressor kit item # OP-050).
• Dimensions: 24”W x 9 1/2”D x 42”H
• Electrical:
120/220 VAC, 50/60 Hz, 2.0 A
Note: Please specify power requirements at time of order.
Model CWB Bubble Blaster System
The Model CWB is designed to treat tanks up to 600 gallon
capacity with moderate organic loading. The system utilizes
RGF’s Bubble Blaster pump to circulate and aerate tank
water, circulating up to 7,200 gallons of water per day.
• Dimensions: 16”W x 9 1/2”D x 22 1/2”H
• Flow Rate: 5 g.p.m. / 7,200 g.p.d
• Electrical:
120/220 VAC, 50/60 Hz, 5.0 A
Note: Please specify power requirements at time of order.
Model CW-CO3P Bubble Blaster System
• Dimensions:
• Flow Rate:
• Electrical:
**
-16 = 120V 60 Hz
-25 = 220V 50Hz
-26 = 220V 60Hz
Item #
CWM60-**T
CWM120-**T
MA-001T
CWB60-16
BB-1/3-16T
CWST60-16
CWXL60-16
The model CW-CO3P is specifically designed to treat tanks up to
1,200 gallon capacity with high organic loading. This system utilizes
a combination of ozone, Hydrogen Peroxide, and ultraviolet light to
create Advanced Oxidation gases, which oxidize the contaminants.
A supplied pump circulates the water from the tank through a venturi, then through the Photohydroionization (PHI) chamber, and
returns it to the tank. Available in two sizes: ST - up to 800 gallons,
and XL - up to 1200 gallons.
Description
Macro Aerator UV Ozone System
Macro Aerator UV Ozone System
Additional Macro Aerators
Bubble Blaster UV Ozone System
Additional 1/3 Hp Bubble Blaster
CW-CO3P UV Ozone System (ST)
CW-CO3P UV Ozone System (XL)
24”W x 9”D x 60”H
5 g.p.m. / 7,200 g.p.d.
120/220 VAC, 50/60 Hz, 8 A
Note: Please specify power requirements at time of order.
UV Intensity
Ozone Output
Treatment
Dosage
ppm @ 20 scfh
Capacity
Ship Weight
0.432 g/hr
0.772 g/hr
--0.432 g/hr
--0.432 g/hr
0.864 g/hr
N/A
N/A
--N/A
--20,000 mJ-sec/cm2
40,000 mJ-sec/cm2
Up to 400 gallons
Up to 400 gallons
Up to 600 gallons
Up to 800 gallons
Up to 1,200 gallons
80 Lbs.
Lbs.
20 Lbs.
60 Lbs.
11 Lbs.
90 Lbs.
100 Lbs.
3875 Fiscal Court, West Palm Beach, Florida 33404
1-800-842-7771, (561) 848-1826, Fax (561) 848-9454
http://www.rgf.com
79
Ozone Water Treatment Systems
RGF Dissolved Ozone Monitor
Ozone Concentration in Water Monitor
RGF's Dissolved Ozone Monitor is an advanced electrochemical system for continuously monitoring dissolved ozone concentrations in water. It uses a direct sensing ozone sensor to measure dissolved ozone specifically, without interference from other
sample components such as residual chlorine. Ideal for potable water treatment, ultrapure water systems, recycle systems,
drinking water purifications, or virtually any ozonated water stream. Monitor includes two internal relays for controlling external devices such as ozone systems, and an analog output (4 - 20 MA) for charting. Comes complete with monitor (panel mount
or NEMA 4X enclosures), dissolved ozone sensor, and sensor flow cell.
•
•
•
•
•
•
Item #
Measurement range:
Sensitivity:
Ozone sensor:
Control Relays:
Temperature range:
Electric:
Low range - 0 - 2.0 ppm
0.001 ppm above 0.005 ppm
Polargraphic membraned sensor
(2) - SPDT, 5A, 230 VAC resistive
0 - 50 ° C,
110 VAC, 50 / 60 Hz, 5 A max.
Description
SE-900T-Z
SE-901T-Z
Ship Weight
Ozone Monitor w / Probe - Panel Mount
Ozone Monitor w / Probe - NEMA 4X Enclosure
10 Lbs.
10 Lbs.
Dissolved Ozone Test Kit
Ozone Concentration in Water Tester
Self-filling reagent ampoules combine simplicity and accuracy
giving results you can depend on. The kit tests for ozone residual levels in water ranging from 0 to 1.5 ppm. Draw a 50 ml.
sample, snap a pre-formulated reagent in a vacuum sealed
ampule, and compare with the color standards (Colormetric).
For a digital read out version try the pocket clorimeter.
• Measurement method:
• Sensitivity:
• Ozone Indicator:
Item #
25180-50
46700-04
25170-25
Potassium iodine oxidation reagent
0.01 PPM for ranges of 0 to 1.0
0.1 PPm for ranges of 1.0 to 2.0
Visual colormetric
Description
Color Disc (Ampules type) - Colormetric 0-1.5 ppm
Pocket Clorimeter (Ampule type) - Digital Read-Out 0-.75 ppm
25 mid-range reagent ampules 0-0.75 ppm
Ship Weight
5 Lbs.
7 Lbs.
2 Lbs.
3875 Fiscal Court, West Palm Beach, Florida 33404
1-800-842-7771, (561) 848-1826, Fax (561) 848-9454
http://www.rgf.com