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  • Continuous Ion Exchange System - Designed for Separation ...

    When designing a continuous ion exchange technology unit, we connected each ion exchange column in series, and each node was equipped with a solenoid valve to form a valve array. The direction of movement of the control liquid is sequentially changed by controlling the

  • Ion Exchange Calgon Carbon Corporation

    Ion Exchange Calgon Carbon’s ion exchange technology is designed to remove dissolved ionic compounds from water or other liquids. Calgon Carbon offers media, fixed bed and continuous systems for a variety of applications.

  • Design of a Continous Countercurrent Ion Exchange Unit and ...

    tinuous countercurrent ion - exchange unit. Although several continuous ion - exchange systems have been devised, none of them have come into wide use. This is apparently due to the mechanical complexity of the units or to the restricted ion - exchange resin and

  • Ion Exchange Columns - Chemical Engineering

    Continuous ion exchangers consist of two columns in parallel. Ion exchange takes place in one column, while the resin in the second column is being regenerated, resulting in continuous operation. Usage Examples Continuous ion exchangers are used when it is

  • ISEP Calgon Carbon Corporation

    ISEP For more than 20 years, Calgon Carbon has been a global leader in continuous ion exchange technology, thanks in large part to the success and advanced performance of its Ion Separator (ISEP ®)and Chromatographic Separator technology.Our continuous ISEP ® /CSEP ® technology is reliable, versatile, and cost effective compared to alternative technologies and fixed bed systems.

  • puritech Continuous Ion-Exchange - relex-process

    ION-IX uses a single, multi-port distribution valve, creating a process system for continuous, countercurrent ion exchange. The patented valve distributes different flow streams to several resin cells and determines whether the resin is in an adsorption, a regeneration or a rinsing cycle.

  • Home - Ionex Engineering

    Our ION-IX technology uses a single, multiport distribution valve, creating a process system for continuous, counter-current ion exchange (CCIX). The patented valve continuously distributes different flow streams to several resin cells and determines whether the resin is

  • Continuous Separation Techniques in Sweetener Production

    The whole ion exchange sequence unfolds over a 12-hour cycle. The chemical regeneration step can take 1-2 hours. In continuous ion exchange, the concentration of eluent is relatively constant since fresh chemical and exhausted resin are continually brought into contact with each other. In such a near steady-state situation, efficiency remains high.

  • Continuous Ion Exchange Separation - Chemical Online

    May 05, 2000  Continuous separation, carried out in an ISEP ® separator developed by Calgon Carbon Corporation, sequentially performs all ion exchange steps in one unit: adsorption, adsorption wash, regeneration, and regeneration rinse. By contrast, fixed-bed ion exchange systems perform these steps one at a time in an intermittent batch process.

  • Continuous ion exchange plant design methods and problems ...

    The prospect of increasing use of various types of continuous ion exchange equipment means that design techniques should be developed and tested with the objectives of formulating appropriate laboratory and pilot plant experiments, interpreting results fully, and making design proposals for large scale plants for purposes of cost comparison.

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  • Ion Exchange - an overview ScienceDirect Topics

    Another process, continuous ion exchange process, treats for sodium bicarbonate (e.g. Drake Process). The Drake Process is a proprietary pilot-scale technology using an IX system that selectively removes sodium ions from coalbed gas co-produced water. For example, the PRB co-produced water is high in sodium and low in calcium and magnesium ...

  • Applexion® ion exchange technologies for large scale bio ...

    Applexion® continuous ion exchange process offers the industry a truly continuous ion exchange system. Depending on the process, the number of cells can be adapted to optimize resin utilization and minimize system size while balancing overall capital investment and operating costs. The main advantages of the Applexion® continuous ion exchange ...

  • Electrodeionization (EDI)

    Electrodeionization (EDI) is a continuous, chemical-free process of removing ionized and ionizable species from feedwater using DC power. EDI is typically used to polish reverse osmosis (RO) permeate, and is a smart alternative to — and effective replacement of — conventional mixed bed ion exchange (IX).Using electrodeionization eliminates the need to store and handle the hazardous ...

  • Ion Exchange (IX)

    Ion exchange processes can be conducted in continuous or batch mode, with most water treatment IX processes run in a continuous mode. Continuous ion exchange processes take place in a column or vessel containing a deep bed of ion exchange resin beads;

  • Ion Exchange Chromatography Instrumentation Microbe Notes

    Jan 09, 2020  Ion exchange chromatography (or ion chromatography) is a process that allows the separation of ions and polar molecules based on their affinity to ion exchangers. The principle of separation is thus by reversible exchange of ions between the target ions present in the sample solution to the ions present on ion exchangers.

  • Ion Exchange for Dummies - Lenntech

    Rohm and Haas Ion Exchange Ion exchange introduction 1 FD Sep 2008 ION EXCHANGE FOR DUMMIES An introduction Water Water is a liquid. Water is made of water molecules (formula H2O). All natural waters contain some foreign substances, usually in small amounts.

  • Drinking Water Treatability Database

    Continuous ion exchange processes are usually of the down-flow and packed-bed column type. When the resin capacity is exhausted, it is regenerated. Competition for ion exchange sites on a resin can greatly impact a given system¿s efficiency in removing contaminants.

  • US5126056A - Continuous moving bed ion exchange system ...

    Continuous moving bed ion exchange system Download PDF Info Publication number US5126056A. US5126056A US07/791,577 US79157791A US5126056A US 5126056 A US5126056 A US 5126056A US 79157791 A US79157791 A US 79157791A US 5126056 A US5126056 A US 5126056A Authority US United States Prior art keywords resin contactor feed

  • Ion exchange - Wikipedia

    Ion exchange usually describes a processes of purification of aqueous solutions using solid polymeric ion exchange resin.More precisely, the term encompasses a large variety of processes where ions are exchanged between two electrolytes. Aside from its use to purify drinking water, the technique is widely applied for purification and separation of a variety of industrially and medicinally ...

  • ION EXCHANGE - Thermopedia

    The advantages of continuous countercurrent ion exchange are realized for processes having very favorable equilibrium or treating high concentration solutions for the recovery of high value solutes, e.g., uranium and precious metals such as gold and platinum. Figure 5.

  • Ion-exchange reaction chemical reaction Britannica

    Ion-exchange reaction, any of a class of chemical reactions between two substances (each consisting of positively and negatively charged species called ions) that involves an exchange of one or more ionic components.. Ions are atoms, or groups of atoms, that bear a positive or negative electric charge.In pairs or other multiples they make up the substance of many crystalline materials ...

  • Ion Exchange vs. Reverse Osmosis: Choosing the Best ...

    Jun 30, 2017  Ion exchange (IX) and reverse osmosis (RO) can be used to solve some of the same separation needs, and are sometimes even used in combination with one another.Still, IX and RO differ in a number of ways that affect their overall suitability and cost-effectiveness for

  • Texas Mineral Resources

    This new plant will process leach solutions from the Round Top ore using state-of-the-art continuous ion exchange and continuous ion chromatography (CIX-CIC) to separate and purify up to a total of 26 different recoverable elements from the leach product of Roundtop ore. Pini Althaus, CEO of USA Rare Earth, commented, “The Wheat Ridge pilot ...

  • What Is Ion Exchange? - Fluence Corporation

    Jan 27, 2016  Ion exchange is a water treatment process commonly used for water softening or demineralization, but it also is used to remove other substances from the water in processes such as dealkalization, deionization, and disinfection.. But what exactly is it? Ion exchange describes a specific chemical process in which unwanted dissolved ions are exchanged for other ions with a similar charge.

  • Ion-exchange reaction chemical reaction Britannica

    Ion-exchange reaction, any of a class of chemical reactions between two substances (each consisting of positively and negatively charged species called ions) that involves an exchange of one or more ionic components.. Ions are atoms, or groups of atoms, that bear a positive or negative electric charge.In pairs or other multiples they make up the substance of many crystalline materials ...

  • Ion Exchange vs. Reverse Osmosis: Choosing the Best ...

    Jun 30, 2017  Ion exchange (IX) and reverse osmosis (RO) can be used to solve some of the same separation needs, and are sometimes even used in combination with one another.Still, IX and RO differ in a number of ways that affect their overall suitability and cost-effectiveness for

  • Texas Mineral Resources

    This new plant will process leach solutions from the Round Top ore using state-of-the-art continuous ion exchange and continuous ion chromatography (CIX-CIC) to separate and purify up to a total of 26 different recoverable elements from the leach product of Roundtop ore. Pini Althaus, CEO of USA Rare Earth, commented, “The Wheat Ridge pilot ...

  • What Is Ion Exchange? - Fluence Corporation

    Jan 27, 2016  Ion exchange is a water treatment process commonly used for water softening or demineralization, but it also is used to remove other substances from the water in processes such as dealkalization, deionization, and disinfection.. But what exactly is it? Ion exchange describes a specific chemical process in which unwanted dissolved ions are exchanged for other ions with a similar charge.

  • » Sugar syrup treatment with CCIX – continuous ...

    CCIX – Continuous countercurrent ion exchange provides huge process advantages over conventional fixed bed or multibed ion exchange systems. PuriTech’s ION-IX TM is the most advanced system available on the market and provides the process benefits of CCIX-technology combined with the mechanical simplicity in one very compact and effective ...

  • Continuous Ion Exchange Technology Utilized to Combat ...

    Jul 10, 2019  Continuous Ion Exchange Technology Utilized to Combat Rising Nitrate Levels July 10, 2019 By Shannon Swanson, Marketing Communications Associate The city of Bayard, Nebraska was experiencing rising nitrate levels in their water and made the decision to pre-purchase a water treatment system to address the nitrate concerns.

  • ISEP - Continuous Ion Exchange Equipment - Continuous Ion ...

    ISEP - Continuous Ion Exchange Separations by Calgon Carbon Corporation. Employ a single multiport rotating distributor and from 10-30 resin cells used to provide cost-effective continuous ionic separations by sequentially subjecting each cell to the...

  • (PDF) Continuous ion-exchange membrane electrodialysis for ...

    “A computer simulation of continuous ion exchange membrane. electrodialysis for desali nation of saline water”, Desalination, V ol. 249, 809-821. T anaka,Y.(2010a).

  • How Do You Choose the Best Ion Exchange System For Your ...

    Aug 24, 2017  Thanks to their unique ability to selectively target specific contaminants for removal, ion exchange (IX) systems can be an extremely efficient solution for separation and purification of process and waste streams. While they are most commonly used for softening applications, IX systems are also widely used for dealkalization, purification ...

  • Clean iX® – Continuous Ion Exchange – Clean TeQ

    Clean iX® – Continuous Ion Exchange. Clean TeQ’s Clean-iX ® continuous ion exchange process provides highly efficient extraction and purification for a range of valuable strategic metals from slurries and solutions.. The base technology for the Clean-iX ® process was developed by the All Russian Research Institute of Chemical Technology (ARRICT) over a period of 40 years.

  • Continuous Chromatography Sartorius

    Continuous and connected systems based on Single-Use technologies should enable a scaled-down facility for both clinical and commercial operation. Complete Single-Use technology implementation in combination with continuous operation will lead the Biopharma industry to full flex Multi-Product Facilities. ... (Protein A affinity, ion exchange ...

  • POWDERED RESINS: CONTINUOUS ION EXCHANGE

    Figure 1 Powdered ion exchange resins. Figure 2 Ion exchange kinetics as a function of particle size. Continuous lines, powdered resin; dashed line, 50}100 mesh; dotted line, 16}40 mesh. Table 1 Surface charges of powdered resins Resin type Ionic form Zeta potential (mV) Strongly acidic cation Hydrogen !42 Strongly acidic cation Sodium !40

  • USA Rare Earth and Texas Mineral Resources Corp Announce ...

    Dec 16, 2019  Using continuous ion exchange and continuous ion chromatography (CIX-CIC) will not only enable processing of the ore from our Round Top project, but

  • Continuous removal of contaminants from amine solutions

    Ion exchange resins have been employed in the removal of HSS, but because of the different affinities the various anionic HSS contaminants have towards the resin, successful removal is restricted. However, the continuous online removal of HSS rather than periodic or batch treatment helps to ensure a more stable and uniform conditioning ...

  • How Do You Choose the Best Ion Exchange System For Your ...

    Aug 24, 2017  Thanks to their unique ability to selectively target specific contaminants for removal, ion exchange (IX) systems can be an extremely efficient solution for separation and purification of process and waste streams. While they are most commonly used for softening applications, IX systems are also widely used for dealkalization, purification ...

  • USA Rare Earth and Texas Mineral Resources Corp Announce ...

    Using continuous ion exchange and continuous ion chromatography (CIX-CIC) will not only enable processing of the ore from our Round Top project, but also enable us to explore tolling arrangements ...

  • (PDF) Continuous ion-exchange membrane electrodialysis for ...

    “A computer simulation of continuous ion exchange membrane. electrodialysis for desali nation of saline water”, Desalination, V ol. 249, 809-821. T anaka,Y.(2010a).

  • Continuous removal of contaminants from amine solutions

    Ion exchange resins have been employed in the removal of HSS, but because of the different affinities the various anionic HSS contaminants have towards the resin, successful removal is restricted. However, the continuous online removal of HSS rather than periodic or batch treatment helps to ensure a more stable and uniform conditioning ...

  • POWDERED RESINS: CONTINUOUS ION EXCHANGE

    Figure 1 Powdered ion exchange resins. Figure 2 Ion exchange kinetics as a function of particle size. Continuous lines, powdered resin; dashed line, 50}100 mesh; dotted line, 16}40 mesh. Table 1 Surface charges of powdered resins Resin type Ionic form Zeta potential (mV) Strongly acidic cation Hydrogen !42 Strongly acidic cation Sodium !40

  • Rare-earth element - Processing ores Britannica

    The ion-exchange process is much slower, but higher purities of more than 99.99999 percent (i.e., 5 nines or better) can be attained. For optical and phosphor-grade materials, where purities of 5 to 6 nines are required, the individual rare-earth element is initially purified by solvent extraction up to about 99.9 percent purity, and then it is ...

  • Home - Puritech

    Continuous Counter-current Ion Exchange Technology providing high efficiency on purification and separation. In developing ION-IX, PuriTech s main objective was to improve on existing system design, in particular CCIX processes, and broaden and extend the technology s application base.

  • Products — ProSep Ltd.

    Continuous Ion Exchange Rotary Valve. 14-Section SMB Vessel. Sucrose Decolorization Melting Vertical Leaf Filter Decolorization Deashing Ion Exchange. Styles of Ion Exchange Fixed Beds Continuous Ion Exchange Layered Bed Packed Bed Cocurrent Countercurrent Ion Exchange Processes Cation/Anion Mixed Beds Softeners

  • Electrodeionization Deionization Water Treatment,

    Electrodeionization, also referred to as Continuous Electrodeionization (CEDI) and Continuous Deionization (CDI), is a chemical-free technology that significantly reduces ions in water. CEDI uses cation and/or anion exchange resins that are continuously regenerated by an electrical current. EDI modules, also called “stacks,” consist of cell pairs with each pair containing an anode and ...

  • All Charged Up: The Basics of Ion-Exchange Chromatography ...

    Jan 24, 2017  Ion-exchange chromatography resins have charged functional groups bound to resin beads which attract biomolecules of the opposite charge. Cation exchange resins are negatively charged, and anion exchange resins are positively charged. Ion-exchange resins are also categorized as “weak” or “strong” exchangers.

  • Electrodeionization - Wikipedia

    Electrodeionization (EDI) is a water treatment technology that utilizes electricity, ion exchange membranes and resin to deionize water and separate dissolved ions (impurities) from water. It differs from other water purification technologies in that it is done without the use of chemical treatments and is usually a polishing treatment to reverse osmosis (RO).

  • Ion Exchange Australia

    The continuous ion exchange (CIX) technology is designed for sorption of valuable elements or removal of impurities from water and solutions. The process is realiased in column type of equipment and includes three stages – sorption, desorption and washing. In some cases the neutralisation column is used where the resin is neutralised or ...

  • Continuous Ion Exchange - NASA/ADS

    Practical methods for performing continuous ion exchange are discussed, and the development of equipment based on modified ore dressing jigs is described. A swinging sieve jig contactor is evaluated experimentally. In a continuous countercurrent exchange process, an alteration in any one of the operating conditions has a complex effect on the ...

  • Reverse Osmosis Improves Boiler Efficiency – Water ...

    Jan 16, 2017  Introduction Providing a continuous, reliable source of good quality feedwater for industrial and commercial boilers is a primary focus of water treatment technology. Ion exchange softeners have been the workhorse in accomplishing this task for over 70 years. More recently, however, reverse osmosis (RO) has gained a strong foothold in producing boiler makeup.