Deionized Water Articles

  • Common Reasons For Syringe Leakage

    The components of even the most durable syringe will eventually fail. The most common symptom of failure may be leakage of your solvent from the syringe. The following are some common reasons for syringe leakage, as well as our recommended solutions. 1. Tip Connection If your syringe hub consists of a PTFE tip, check for small grooves in the PTFE surface. If sufficiently large, ...


    By Chemyx Inc

  • Fabrication of titanium carburizing electrodes for capacitive deionization

    Titanium carburizing electrodes were used as the electrodes in a capacitive deionization (CDI) process for desalination in this study. Two methods of high vacuum magnetron sputtering and chemical deposition were used for the preparation of nano-titanium carburizing electrodes (named Ti-C* and Ti-C**). By comparing the adsorption capacities of different kinds of electrode material, combined ...


    By IWA Publishing

  • Studies on competitive adsorption of dyes onto carbon (XC-72) and regeneration of adsorbent

    Carbon as an adsorbent has been widely studied for wastewater treatment, but the regeneration of adsorbent has been scarcely reported. In this paper, an economical and environmental method was applied to regenerate carbon (XC-72). Results showed that both anhydrous ethanol and deionized water did not obtain optimal effect for the desorption of Acid Orange 7, Ponceau 2R and Rhodamine B, but the ...


    By IWA Publishing

  • South Coast Steam Power, Puerto Rico and QUA’s Fractional Electrodeionization

    Project Background Puerto Rico Electric Power Authority (PREPA) is the owner of South Coast Steam Power Plant located at Guayanilla in the island of Puerto Rico, about 150 KM south of San Juan. This power station is one of PREPA’s oldest units and uses an oil fired boiler as part of its generation process. The plant decided to replace an ...


    By QUA Group LLC

  • QUA Interviewed by Industrial Waterworld at AMTA Membrane Technology Conference 2016

    QUA’s Director of Sales and Marketing, Fred Wiesler, was recently interviewed by Industrial Waterworld at the American Membrane Technology Association (AMTA)’s Membrane Technology Conference 2016 in San Antonio. Qua's Fred Wiesler describes the company's many offerings, including UF, MBR, and ceramic membranes. Highlighted: fractional electrodeionization (FEDI) technology, which ...


    By QUA Group LLC

  • Does the Prestige Medical Autoclave 2100 need a water connection?

    No – the small, portable Prestige Medical Autoclave 2100 does not need to be plumbed in to a fixed water supply, but should be filled with deionised water. The unit simply needs filling with distilled or deionised water up to the marker in the chamber. NB tap water should not be used ...


    By Camlab Limited

  • How can I detect Nitrite in meat

    In Europe many meat products like ham and smoked pork chop are cured. Curing is a process to preserve meat and sausages by addition of common salt. The meat develops a typical curing taste and becomes red in color. This process is important to avoid a grey coloration and a growth of microorganisms. However the reaction of nitrite with amino acids, can cause the formation of carcinogenic ...


    By Camlab Limited

  • What’s the difference between distilled and deionised water?

    “Pure” water is used in all types of laboratories for a range of uses – from making up calibration standards to cleaning and even in the rinse cycle in some laboratory glasswashers for a pure clean. There are different types of purified water available – but what is the difference? Distilled water Distilled water is simply made by heating water to ...


    By Camlab Limited

  • Photodegradation of the antihistamine cetirizine in natural waters

    The photodegradation rate of the anti‐histamine cetirizine (Zyrtec®) was investigated in various water matrices. The average observed first‐order photodegradation rate coefficient (kobs), obtained by linear regression of the logarithmic‐transformed cetirizine concentrations versus irradiation time in simulated sunlight, was 0.024 h−1 (n = 6; S.D. ± 0.004) in deionized water (DIW) corresponding ...


    By John Wiley & Sons, Ltd.

  • Exergy analysis of laminar fluid flow in stainless steel microtubes

    In the study, exergy analysis of steady laminar fluid flow in stainless steel microtubes with diameters between 103 ?m and 179 ?m were conducted in the adiabatic conditions experimentally. The exergy losses were obtained for deionised water flowing in rough microtubes with the surface relative roughness of 2?6%. Results indicated that the exergy loss was in a good agreement with the conventional ...


    By Inderscience Publishers

  • Spiral wound EDI technology part 1

    Water purification by reducing the concentration of ionic impurities has been an area of considerable technical interest. Water treatment technologies have rapidly advanced in recent years to where a myriad of options have been developed for this purpose. The most well-known processes include electrodialysis, electrodeionization (EDI), liquid chromatography, membrane filtration, and ion exchange. ...


    By Agape Water Solutions, Inc.

  • Photocatalytic inactivation of E. faecalis in secondary wastewater plant effluents

    Photocatalytic inactivation of Enterococcus faecalis using TiO2 suspensions was investigated and compared to the inactivation of the most commonly used faecal indicator strain Escherichia coli. In contrast to the inactivation in pure deionized water, disinfection of effluents from the biological process of an urban wastewater plant showed a longer initial lag phase and higher ...


    By IWA Publishing

  • Electrodeionization, Revolutionary or Evolutionary Technology?

    Electrodeionization (EDI) technology has matured since its commercial introduction over 16 years ago. Acceptance of the technology has been driven by lower costs, higher water quality demands, and improvements in themanufacturing techniques of the product. EDI has not been revolutionary but evolutionary. This paper will review the advancements over the product life cycle and explain the different ...

  • TB 57: Rokeby generating station saves 50% in capital expense by using liqui-cel® 14x28 membrane contactors to remove CO2 to extend mixed bed resin life

    Lincoln Electric Systems (LES) recently commissioned a membrane decarbonation system using Liqui-Cel® 14x28 Membrane Contactors to remove CO2 prior to their mixed bed deionizers. The system was installed at the Rokeby Generating Station (RGS) in Lincoln, Nebraska. BackgroundThe Rokeby Generating Station is LES’ primary peaking power station, totaling 255 MW and consisting of 3 duel fuel ...

  • Sorptive removal of Cr (III) ions from aqueous solution onto beach sand

    Sorption potential of beach sand for the removal of traces of Cr(III) ions has been investigated. The effects of different electrolytes namely nitric acid, hydrochloric acid and perchloric acid (10−2 to 10−4 M), deionised water, shaking time (5?40 min), amount of sand (50?300 mg/15 cm?) and pH (2?10)on the sorption were studied. The sorption of Cr (III) ions is monitored in its concentration ...


    By Inderscience Publishers

  • The Desel System – Capacitive Deionization for The Removal of Ions From Water

    Capacitive deionization (CDI) represents a new approach to the treatment of a variety of water/wastewater streams contaminated with inorganic compounds. ENPAR Technologies Inc. of Canada has developed its DesEL System, which combines high water recoveries with high ion removal efficiencies. The system operates on the principle of capacitive deionization to remove ionic compounds referred to as ...

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