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MPure Innovative Electrodeionizationby MEGAAuthorized Distributor:ROC Components AGam Kaegenrain 3CH – 4153 Reinach, SwitzerlandTel: 41 61 461 8303E-mail: info@roc-ch.comWEB: www.roc-ch.comMPure ELECTRODEIONIZATION

MEGA a.s. and MemBrain s.r.o. ion-exchange membranes andspacers membrane stacks (ED, EDR) electro membrane systemsR&D institute with focus on: electro membrane processes hybrid membrane processes bipolar membranes gas separationMPure ELECTRODEIONIZATIONManufacturer of :

EDI market potentialPower (boiler feed water andinjection in turbines) , Oil andGas (boiler feed water) Semiconductor (rinse waterincl. LCD & photovoltaicproduction) Pharma (highly purified water)Total installed EDI capacity: More than 150 000 m3/h (2013) More than 3 000 installations (capacity 5 m3/h)CONFIDENTIALMPure ELECTRODEIONIZATION

All E-Separation started with Electro dialysisElectro dialysis (ED) is used to transport salt ions from one solution through ionexchange membranes to another solution under the influence of an appliedelectric potential difference.CONFIDENTIAL

Water quality requirements – POWER MarketVGBguidelines – R450 Le (EU)EPRIguidelines(USA)ČSN 07 7401ČSN 07 7403ČSN EN 12952- 12CONFIDENTIALMPure ELECTRODEIONIZATIONBoiler Feed Water Quality – Values Inside the Boiler

High Purity Water Production History2014UFROMPure 2 Pass ROEDIROMixed BedCation/AnionMixed Bed2006 - 2013Pretreatment1995 - 2005PretreatmentBefore 1980PretreatmentCONFIDENTIAL

How EDI worksCONFIDENTIAL Ion exchange of ions withresin beads Ions in the resin migratetowardtheelectrodes,through IX membranes andinto C-chambers Water splitting produces H and OH- ions resulting incontinuous regeneration Impurity ions trapped in Cchambers by membranes, H and OH- recombine to giveH2O

Key EDI Operating ParametersFeed water compositionionic/ionizable impuritiesCO2Applied currentDetermined by:target product quality (resistivity, silica, )impurity concentration and flow rateionic charge on impurities inside IX mediumFlow rateDetermined by:Feed water qualityMaximum voltage and current availableRequired product water qualityMechanical limitations of the stack (pressure drop)CONFIDENTIAL

Mixed Bed vs. EDI SystemFeed WaterMixed BedEDI Stack -Exhausted ResinRegeneratedResinTransition ZoneTransitionZoneRegenerated ResinFeed WaterProduct WaterCONFIDENTIALMPure ELECTRODEIONIZATIONProductWater

Key EDI Advantages vs. Mixed Bed Eliminates regeneration chemicalsa. Green Technologyb. Bulk chemical storage not requiredc. Improved Safety Considerations Eliminates need for regenerationa.b.c.d.Continuous operation; improved qualitySimple to operate, no down timeRegeneration system not requiredNeutralization of regenerants not required Lower operating cost Modular equipment, scalable Smaller footprint, could be made mobileCONFIDENTIAL

MEGA Manufacturing Capabilities IX Membrane expertise Stack manufacturing expertise Systems manufacturing capability High quality reputationCONFIDENTIAL

Key Advantages of MEGA EDI Equal or better performance vs. existing EDI systems Improved mechanical construction Improve stack robustness Cost competitiveness, also for large flow rates Low cost system manufacturing Reduced Foot Print Simple InterconnectionsCONFIDENTIAL

MPure ConstructionLifting pointsSide plates from AL alloyreinforced by construction ribsAnchor points for easymounting to the EDI skidCONFIDENTIAL

Modular system flow increase potentialMPure Stack Interconnections Reduced system manifolds Reduced number of connections Reduced system manufacturing costCONFIDENTIAL

What does MEGA offer in EDI system? Stacks: MPure 36 Systems: RALEX HPWU units with 1 to 9 stacks Production: 5 to 135 m3/h (one to 9 stacks) Rectifiers (one per stack) Electrical and Hydraulic Connectors&CONFIDENTIAL

MPure 36 Stack Product - ConnectionsD outC in/C outE outC out/C inD in D Diluate C Concentrate E ElectrolyteCONFIDENTIAL

MPure Flow PathC inD outPRODUCT10-15 m3/h RO FEEDE DCDCD inDE-E out10.4-15.4 m3/hELECTRODE 0.1 m3/hCONCENTRATEC outCONFIDENTIAL 0.3 m3/h

MPure 36 Stack SpecificationPhysical Specifications Number of cell pairs: Dimensions (W x H x D): 582 x 802 x 697 mm Shipping weight:lbs) Operating weight: Hydraulic Connections: D(Victaulic Style)C2½”1¼”E¾”36300 kg (728325 kg (772 lbs)CONFIDENTIAL

MPure 36 Stack SpecificationFeed water specifications requirements: TEA and TEC: 25 ppm as CaCO3 Feed water source:RO permeate or better Free Cl2: 0.01 ppm Cl2 Oxidizing agents:N.D. Fe, Mn: 0.01 ppm Sulfide: 0.01 ppm H2S Oil:N.D. Turbidity: 0.1 NTU SDI: 1 pH:4 – 10 Total Hardness: 1 ppm as CaCO3 Total organics: 0.5 ppm TOC Silica: 1.0 ppm SiO2CONFIDENTIAL

MPure 36 Stack SpecificationStack Flows Flow nominal:10 m3/h Flow maximum:15 m3/h Flow minimum:5 m3/h Concentrate flow: 0.3 m3/h Electrode Flow: 0.1 m3/h Recovery: 97.5%CONFIDENTIAL

MPure 36 Stack SpecificationPerformance: Feed pressure: 7 bar Delta P for D @ Nom. Flow:1.3-2.3 bar Pressure difference D C: 0.3 bar Temperature:5 – 40 C Current: 16 A Voltage: 300 VDC Product water quality*: 16 MΩ/cm Silica removal*: 96%* Please use MPure DESIGN to project plant performanceCONFIDENTIAL

Rectifier solution – MPure DC Switch Mode Power Supply One recifier for each stack No isolation transformer Low ripple, very higheffiency 4.8 kW: 300VDC/16A RS485 and CanOpencommunicationRectifiers inside an electricalcabinetCONFIDENTIAL

MPure System design – 9 Stacks Up to 135 m3/h (594 gpm) flow rate Small footprintCONFIDENTIAL

RALEX HPWU MPure SystemsThree MPure 36 stacks designCONFIDENTIAL

RALEX HPWU 9 x Mpure 36 detailsCONFIDENTIAL

MPure System Features Stack interconnection capability for low cost system High flow rate blocks, flows up to 45 m3/h (200 gpm) per block High efficiency rectifiers Systems with flow rates from 5 to 135 m3/h (22-600 gpm) High deionization with recovery up to 98.8% Robust design: No internal or external leaks Small footprint: ideal for operation inside containersCONFIDENTIAL

MPure ELECTRODEIONIZATIONGEAM Demonstration Unit

MPure information for OEM’sDownload on www.ralex.eu with all EDI relatedmaterialsCONFIDENTIAL

P&ID 3x MPure systemCONFIDENTIAL (5) Pressures (D in, C in, D Out, C Out,E Out) (3) Flow rates (D Out, C Out, E Out) (1) Resistivity (D Out) Voltage & Current – Displayed onPLC

Important EDI Cost Considerations Redundancy Actual average water need Storage tanks Shelf spare parts: rectifier, stack, PLC Stack Life Time Cleaning frequency Stack Replacement Costs Energy Consumption Reliability Availability Stack cost / stack replacement costCONFIDENTIAL

Engineering Manuals Design Software: MPureTM DESIGN Cost Calculation toolMPure ELECTRODEIONIZATIONMPure Tools ToolsDesignfor ProductLaunch

Key advantages of MEGA MPure 25 years of experience in electro-separation process Comparable or better performance versus main competitors Cost effective solution for components or plant Flexible design up to 9 stacks for one EDI unit Warranty for up to 2 years, estimated life-time 5-10 years European producer, easy accessible Excellent customer support by EU manufacturer Prompt fast deliveries in most casesCONFIDENTIAL

MPure „The right solution for industrialEDI Process”MPure ELECTRODEIONIZATION

Authorized Distributor:ROC Components AGam Kaegenrain 3CH – 4153 Reinach, SwitzerlandTel: 41 61 461 8303E-mail: info@roc-ch.comWEB: www.roc-ch.comMPure ELECTRODEIONIZATION

VGB guidelines – R 450 Le (EU) EPRI guidelines (USA) ČSN 07 7401 ČSN 07 7403 ČSN EN 12952 - 12 Water quality requirements .