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Gas Dispersion System / GDS

Motionless Mixers

Wastewater

Mixing science with solutions

Channel Mixer

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Statiflo is a world leader in motionless mixing technology. We are constantly expanding the limits of motionless mixing technology to create innovative products including the most efficient static mixers currently available.

Motionless Mixers

• Highly-efficient mixing

• No moving parts for maintenancefree operation

• Energy-saving, no directpower required

• No need for tanks

• Ease of installation

• Minimal space requirement

• Available in all sizes

• Available in a wide range of materials

• Custom designed

• Available worldwide

The key benefits of Statiflo Motionless Mixers

Ser

ies

100/

150

Series 100

Series 150 (below)

Ser

ies

100/

150

Mixing Technology with proven benefits

n Statiflo motionless mixers offers many key benefits forcombining liquids, and gases. It is efficient, economical, and delivers precise, pre-determined results in a wide range of process operations, including mixing, blending, dispersion, emulsion formation, laminar-flow heat exchange, mass transfer, and as a ‘plug-flow’ inline chemical reactor.

n Static mixers are maintenance free devices. Set up and operating expenses are also cut to a minimum. As well as direct operating savings, Statiflo Motion-less Mixers deliver a high level of mixing efficien-cy, therefore the consumption of dosed chemicals and formation of byproducts can be dramatically reduced. Inline sampling can be performed immediately after the mixer – allowing any necessary adjustments to be made as quickly as possible – minimizing potential product wastage.

Series 100/150General purpose designs in steel/exotic alloys, with fixed or removable elements available with heating/cooling jackets and injectors/bosses.

Industry Application Process

Food Pasteurization of Steam/pulp plug-flow mixing raw cocoa mass

Petrochemical Methanol stripping Immiscible liquid solvent of gas condensate extraction

Oil and gas Glycol gas drying Liquid/gas mixing

Pulp and paper Consistency control Water/stock mixing

n Statiflo Motionless Mixers are installed in thousandsof process plants worldwide, providing the highest standards of mixing efficiency, reliability and economy.

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Series 400

Series 300

Series 200

Series 550 (below)

Series 500

Motionless M

ixers — S

eries 200-550

Series 200Sanitary designs in polished stainless steel with removable elements in food/pharmaceutical finish. Designed for CIP, available with IDF, RJT, DIN and ferrule end connectors. Injectors, heating/cooling jackets also available.

Industry Application Process

Food Yogurt/fruit blending Solid/gel mixing

Brewing Aeration of wort Gas/liquid mixing

Pharmaceutical pH control of Liquid/pulp mixing fermentation broth

Soft drinks Carbonation of drinks Gas dispersion

Series 300Corrosion resistant designs with removable elements in solid PTFE, carbon/stainless steel housing, fully PTFE lined, available with PTFE/PFA injectors and heating/cooling jackets.

Industry Application Process

CPI Corrosive high Gas/liquid mixing temperature loop reactors

Water treatment Concentrated acid Liquid/liquid mixing dilution

Petrochemical Acid solvent stripping Immiscible liquid mixing

Chemical Acid mixer reactors Liquid/liquid mixing

Series 400uPVC, PP and HDPE designs for cost-effective corrosion resistant duties, fixed elements in housings available with flanged or threaded ends complete with injectors/samplers.

Industry Application Process

Water treatment Coagulation/flocculation High/low viscosity liquid mixing

Waste water pH control/flocculation High viscosity sludge mixing

Swimming pool Ozonation/disinfection Gas/liquid mixing

CPI Acidic pH control duties Low viscosity liquid mixing

Series 500/550Large diameter (>10") designs in corrosion resistant FRP fixed elements, flanged designs available with injectors/samplers.

Industry Application Process

Desalination Recycle blending/pH Liquid/liquid mixing control

Waste water Flocculation/coagulation High/low viscosity mixing

Water treatment Fluoridation of Liquid/liquid mixing drinking water

CPI Hydrochloric acid Liquid/liquid mixing dilution

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Series 700Precision machined mixers with high surface finish, edge sealed elements, or elements only, for high temperatures and pressures, polymer processing, thermal homogenizing, and melt extrusion.

Industry Application Process

Man-made fibers Thermal homogenization Viscous mixing Polymer modifiers

Polymer ABS/SAN/LLDPE Viscous laminar flow mixing manufacturing reaction

Food industry Solids addition/starch Viscous plug-flow mixing cooking

Series 800/850Direct steam heater mixers in steel/exotic alloys, commercial finish, with fixed elements, flanged.

Industry Application Process

Oil and gas Steam desuperheating Liquid/gas mixing

Petrochemical Direct steam acid heating Gas/liquid mixing

CPI Water/steam heating Gas/liquid mixing

Food/ Live steam pasteurisation Gas/liquid mixing pharmaceutical

Series 600/650Large diameter general purpose designs in epoxy coated carbon steel/stainless steel, fixed elements, flanged/plain ended with injection spargers/samplers.

Industry Application Process

Water treatment Disinfection control Liquid/liquid mixing

Waste water pH control/flocculation High/low viscosity mixing

Desalination Recarbonation/ Gas/liquid mixing chlorination pH control Liquid/liquid mixing

Water treatment Ozonation/oxidation Gas/liquid mixing

Statiflo has developed a range of mixing element designs to suit a wide variety of duties in all kinds of industries. As a world leader in motionless mixing technology, Statiflo is constantly researching to improve efficiency and economy – engineering for optimum solutions.

Motionless Mixers cont.

Series 700

Series 600

Ser

ies

600-

850

Series 650

Series 850 (below)

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S’ Type Mixers

DSM

Removeable Element

STL-LP Injection Lance (below)

Motionless M

ixers / Elem

ents / Injection Lancers

S’ Type Mixers

A range of standard design static mixers, pre-manufactured with flanged ends and one injection nozzle. Three or four elements are supplied depending on flow regime. Available in uPVC and stainless steel.

DSM Mixer The very latest techniques for design and modeling have been used to develop the Statiflo DesalMixer or DSM for turbulent flow dosing and blending applications in the pre-treatment and post-treatment stages of water treatment processes.

Removable Elements

When your application requires the frequent cleaning for whatever reason there might be, we offer removable elements with various element retention designs that will allow for removal and cleaning as required. Elements slide back in place when the mixer is returned to service. All Statiflo mixers are designed to meet your specific needs, and removable elements is just another method we offer to add the versatility you need.

Chemical Injection Lances

Statiflo offers chemical injection lances designed specifically for your application and our designs put the chemical into the main flow in the specific locations that will optimize mixture quality. STL-LP and STM-LP lances are for low pressure applications and offer uPVC construction throughout with a stainless steel isolation ball valve. STL-HP and STM-HP lances are for high pressure applications and offer uPVC construction with a stainless steel injection tube and isolation ball valve. All of our chemical injection lances are designed to be safely serviced while the mixer remains under pressure, eliminating the costly need to take the line down in order to service the injector. Highly corrosive chemical environments are no problem for Statiflo injection lances. Make the mixer system complete and add the chemical injection requirements your application requires with Statiflo injection lances.

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Mot

ionl

ess

Mix

ers

The innovative Gas Dispersion System: custom designed, engineered and builtA totally new concept for simultaneous mixing and mass transfer exclusivelydesigned and built by the leaders in Motionless Mixing systems

GDS installed with maintenance-free service for 15 years.

Major benefits of GDS

• High mass transfer efficiency

• Low capital cost

• Low pressure drop

• Gas bubbles generated independently

of main liquid velocity in contactor

• Low energy consumption

• High turndown ratio

• Very compact design

• Minimal maintenance requirement

• Simple to operate. No special

training required

Gas Dispersion System

GD

S

The Statiflo GDS Inline Gas Dispersion SystemEvery STATIFLO GDS is custom engineered and built to meet specific performance requirements. The main components are:

Sidestream equipment comprises:n A centrifugal pump operating

at constant flowrate.

n An eductor, if gas is at low pressure.

n No moving parts, except forcentrifugal pump

n Sample points,valves, instrumentation, interconnecting pipework and stand-by equipment, as required.

The sidestream gas/liquid dispersing equipment can be compactly side mounted on the Contactor or alternatively skid or floor mounted, as appropriate to each site and customer.

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Channel Mixer(STM-C) Duct Mixers STM-D)

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• Raw water blending• pH control• Rapid coagulant addition• Polyelectrolyte dosing• Residence time control

Applications include:

Statiflo Channel Mixers can be installed in new treatment works or easily retrofitted into existing installations because of the extremely low headloss. The modular design concept, based on the STMC mixing element, allows wide variations in aspect ratio (height/ width) suitable for square or nearly square channel sections, narrow deep channels and wide shallow chan-nels. We have even designed Channel Mixers for circu-lar collectors around clarifiers for pH adjustment prior to chlorination. Independent trials have established that the STMC concept is the most efficient of all known commercially available static mixers, making it ideal for chemical dosing as a fundamental component of process control. It is indispensable before flow splits to ensure equal chemical distribution and balanced performance of parallel trains of treatment operations.

Images of a 12' x 12' duct mixer on location in USA.

Channel / D

uct Mixers

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Statiflo Sludge Blender after 90 hours

• Excellent free draining capability• uPVC/Stainless steel construction• Wide range of diameters available• Custom designed for each application• Injection nozzles easily incorporated

NR Sludge BlenderHigh performance non-ragging static mixer for those difficult sludge and wastewater applications

Specifically developed for sludge mixing or high fiber content applications.

The unique mixing element design provides:• Free flow design gives excellent

resistance to blocking and ragging• High mixing performance CoV < 0.05• Consistent mixture quality• Low pressure drop• Easy to clean

Suitable for the following applications:

• Sludge blending• Sludge thickening• Coagulant/Poly blending• Ferric dosing for

phosphorous removal

• Chemical dosing ofraw sewage

• Products withfibers, e.g. paperstock

Typical clogging of competitors static mixer in less than 5 hours

Non-Ragging Channel Mixer (NRC)NRC’s unique variable geometry custom designed for the widest range of wastewater velocities and channel depths found on a typical wastewater treatment plant.

The mixer’s non-ragging design features:• Variable angle control vanes tuned to optimise performance

within tight headloss constraints• Subsurface fixed vanes to boost mixing at low depth• Design adaptable for a wide range of channel sizes,

aspect ratios, water depths and flowrates• No direct power requirements for mixing• Manual or automatic (power required) control vane options

NRC mixer

Upgrading to a NRC can provide many process benefits:• Very significant chemical savings• Reduced BOD load• Reduced Fe concentration in final effluent / sludge• Substantial cost savings

• Improved primary sedimentationtank performance

• Higher sludge concentrations• Reduced or eliminated channel staining

NR

C M

ixer

NR

Slu

dge

Ble

nder

• Integral accessible sparger for chemical injection• Designed for easy installation in live open channels

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• Integral accessible sparger for chemical injection• Designed for easy installation in live open channels

Process DataCOMPONENT MAIN FLOW ADDITIVE 1 ADDITIVE 2 MIXTUREFluid NamePhysical StateFlowrate US gal/min US gal/hr US gal/hr US gal/hrViscosity, cPDensity, lb/ft3

Pressure, PSIGTemperature, °FMiscible System Yes/NoInterfacial Tension, dynes/cm - immiscible systems only

Is the maxium Coefficient of Variation (CoV) of 0.05 required at the mixer discharge or 3-5 diameters downstream?

Alternative CoV required (Please Specify)

Mixer Discharge3-5 Diameters Downstream

NDateItem

QuantityInitials

Pipe Diameter, inchAlternative Pipe Diameter, inch (if any)Maximum Pressure drop, PSIGRemovable Elements Yes/NoInjection Point(s) Yes/No*

Sample Point(s) Yes/No*

Sanitary Finish (Food & Pharmaceutical Applications) Yes/NoEnd Connections/SpecificationHousing Schedule

Materials of ConstructionOther (Please Specify)

Design CodeOperating/Design Temperature, °FOperating/Design Pressure, PSIGHeating/Cooling Jacket Yes/NoSpecial PaintingTests/NDEOther Data

Mechanical Data

316L Stainless Steel 304 Stainless Steel

Carbon SteelPTFE Lined Pipe

GRPuPVC

Polypropylene Polyethylene

Brief Process Description with Flowsheet (if applicable)* If injection and/or sample point(s) are required please sketch number, size and location

Please return completed Questionnaire to your local representativeStatiflo Corp75 South Church St., 6th FloorPittsfield, MA 012011 (413) 664-99111 (413) 684-9988Email: sales@statiflocorp.com

Static Mixer Sizing Questionnaire

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Process DataCOMPONENT 1 2 Fluid Name Water ozone/oxygen/air/other*

Total Flowrate (min / norm / max)No of Contactor trains Flowrate per train (min / norm / max)

Viscosity, cP Density, lb/ft3

Pressure, psiaTemperature, °F

NDateItem

Initials

Gas Dispersion System (GDS) Sizing Questionnaire

Special requirements

Please return completed Questionnaire to your local representativeStatiflo Corp75 South Church St., 6th FloorPittsfield, MA 012011 (413) 664-99111 (413) 684-9988Email: sales@statiflocorp.com

* please delete or specify

Contactor / Pipe Diameter, insMax allowable pressure drop across Contactor, psiFlange specificationHousing ScheduleMaterials of ConstructionOperating Temperature, °FOperating Pressure, psia

Mechanical Data

USgpm

USgpm

Other Data

No of sidestreams per ContactorSidestream standby capacity (eg 50% or 100%)

Brief process description / flow diagram

lb/hr

lb/hror dose, ppm

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Process DataCOMPONENT 1 2 3 MIXTUREFluid Name WaterFlowrate, USgpm

Viscosity, cP Density, lb/ft3

Temperature, °F

NDateItem

Initials

Channel Width, insWater Depth, ins Channel Height, mmMaxium Allowable Headloss, ins

Injector(s) Yes/NoYes/No

Materials of Construction

Mechanical Data

Channel Mixer Sizing Questionnaire

Mixture Quality:

Variation Coefficient at Mixer discharge or atSampling? Yes/No at Mixer discharge or at

(CoV)*

* A CoV of 0.05 at the Mixer discharge is suitable for most dosing applications.

max / norm / min

dutystandby

maxnorm

min

Brief Process Description with Flowsheet (if applicable)Show upstream channel layout, including changes in flow direction.

Please return completed Questionnaire to your local representativeStatiflo Corp75 South Church St., 6th FloorPittsfield, MA 012011 (413) 664-99111 (413) 684-9988Email: sales@statiflocorp.com

Statiflo Corp75 South Church St, 6th FloorPittsfield, MA 01201Tel: (413) 684-9911Fax: (413) 684-9988Email: sales@statiflocorp.com

Statiflo is the only international mixer specialist able to offer true global expertise.

We have over 1,200 customers in more than 60 countries, including high profile names in all process industries – endorsing our

primary position in this field.

Statiflo has representatives throughout North Amercia, to find one in your area, visit

www.statiflo.com

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