Water Distillation Articles

  • Why distilled water

    'Distillation' is the closest definition of the purest drinking water H20 ...


    By Global CSP

  • Performances of air gap and water gap MD desalination modules

    Membrane distillation (MD) is a promising thermally-driven membrane separation technology for water desalination. In MD, water vapor is being separated from the hot feed water solution using a micro-porous hydrophobic membrane, due to the difference in vapor pressures across the membrane. In the present work, experiments are conducted to compare the performance of water gap membrane ...


    By IWA Publishing

  • Investigation of surface and filtration properties of TiO2 coated ultrafiltration polyacrylonitrile membranes

    In the present work, the surface and filtration properties of TiO2 coated polyacrylonitrile ultrafiltration membranes were investigated. The membranes were coated using the physical deposition method. The appropriate TiO2 coverage proved to be 0.3 mg/cm2, which formed a hydrophilic cake layer on the membrane surface. The cleanability without chemicals and the retention of the ...


    By IWA Publishing

  • Enhanced degradation of micropollutants by zero-valent aluminum activated persulfate: assessment of toxicity and genotoxic activity

    Advanced oxidation of the aqueous Triton™ X-45 (TX-45), iopamidol (IOPA), ciprofloxacin (CIP) and bisphenol A (BPA) solutions via activation of persulfate (PS) with zero-valent aluminum (ZVA) was investigated. The study aimed at assessing the effectiveness of the PS/ZVA process in terms of target micropollutants (MPs) and toxicity abatements in raw surface water (RSW) and distilled water (DW). ...


    By IWA Publishing

  • Direct contact membrane distillation for textile wastewater treatment: a state of the art review

    To meet surging water demands, water reuse is being sought as an alternative to traditional water resources. Direct contact membrane distillation (DCMD) has been increasingly studied in the past decade for its potential as an emerging cost effective wastewater treatment process and subsequent water reuse. This review presents a comprehensive overview of the current progress in the application ...


    By IWA Publishing

  • Methods of Purification by Water Innovations, Inc.

    Carbon Filtration is used for several reasons. Its primary purpose is the reduction of chlorine to less than 0.1 ppm. Chorine can damage softener resins, reverse osmosis membranes, and mixed bed deionization resins. Activated carbon will also help control tastes and odors, provide organic and hazardous organic chemical reduction, and some particulate reduction. ...


    By Water Innovations, Inc

  • Saving on electroplating costs

    Montblanc is a company based in Hamburg, Germany, that is well-known for manufacturing handcrafted, high-quality writing instruments. Perhaps the best known Montblanc product is the classic masterpiece, a fountain pen. The pen’s cap features the white star emblem, which is a stylised nod to Mont Blanc’s snowy peak. All Montblanc writing instruments are characterised by their ...


    By H2O GmbH

  • Sterile wastewater treatment with vacuum distillation

    Hygiene requirements are growing increasingly strict in many sectors, and the treatment of industrial wastewater is no exception. The vacuum distillation process in particular has to deal with the question of sterile treatment and subsequent storage of water obtained from the process. The mere possibility of reintroducing wastewater into the production process makes it imperative to prevent ...


    By H2O GmbH

  • Hg removal and the effects of coexisting metals in forward osmosis and membrane distillation

    In this study, we investigate the rejection of Hg, Cd, and Pb and the effect of coexisting metals on Hg removal through forward osmosis (FO) and membrane distillation (MD) in order to establish a more effective water treatment process. The results of our laboratory experiment indicate that more than 97% of the rejection for each metal is achieved through the FO system, and this rejection is ...


    By IWA Publishing

  • Ten quotes from our customers about VACUDEST

    Many companies have opted to introduce a policy of zero liquid discharge production using our high-quality VACUDEST vacuum distillation systems. Users can reduce their consumption of fresh water – an increasingly dwindling resource – and significantly reduce their disposal costs by recycling their industrial wastewater. Read on to find out what our customers say about VACUDEST: Ovidio ...


    By H2O GmbH

  • Poly(sodium methacrylate)/eggshell particles hydrogel composites as dye sorbent

    Eggshell (ES) particles as an available and low-cost waste material were utilized to prepare novel hydrogel composites for dye adsorbing application. For this purpose, solution polymerization of sodium methacrylate was carried out in the presence of ES particles with various size ranges. Results showed that incorporation of ES particles resulted in heterogeneous pores and cavities in the ...


    By IWA Publishing

  • Experimental study of multi-effect membrane distillation (MEMD) for treatment of water containing inorganic salts

    A novel multi-effect membrane distillation (MEMD) process has been implemented to treat water containing four different inorganic solutes. The 4-stage MEMD module was developed based on the air-gap configuration. The influence of operating parameters like concentration, feed temperature, flow rate and operating time on permeate fluxes of zinc sulfate, sodium fluoride, magnesium chloride and ...


    By IWA Publishing

  • Thermodynamic modelling of a membrane distillation crystallisation process for the treatment of mining wastewater

    Membrane distillation (MD) could be applicable in zero liquid discharge applications. This is due to the fact that MD is applicable at high salinity ranges which are generally outside the scope of reverse osmosis (RO) applications, although this requires proper management of precipitating salts to avoid membrane fouling. One way of managing these salts is with MD crystallisation (MDC). This ...


    By IWA Publishing

  • 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

  • Recovery of salts from ion-exchange regeneration streams by a coupled nanofiltration–membrane distillation process

    Ion-exchange tap water demineralization for process water preparation results in a saline regeneration wastewater (20–100 mS cm−1) that is increasingly problematic in view of discharge. A coupled nanofiltration–membrane distillation (NF-MD) process is evaluated for the recovery of water and sodium chloride from this wastewater. NF-MD treatment of mixed regeneration ...


    By IWA Publishing

  • Energy evaluation and treatment efficiency of vacuum membrane distillation for brackish water desalination

    Strict environmental regulations have led to the rapid development of membrane separation technologies for the production of potable water, for industrial water supply, and for the reuse and discharge of treated wastewater. Promotion of water recycling and the provision of potable water from brackish water prevent significant negative effects on the environment and drinking water supplies. This ...


    By IWA Publishing

  • The Mechanical Vapor Compression: 38 Years of experience

    Abstract The Mechanical Vapor Compression (MVC) is among the most efficient distillation processes. It achieves its high efficiency in a simple manner, producing a high quality distillate. Since 1969 with the installation of IDE's first commercial MVC plant, circa of 260 units have been installed world-wide in single and multieffect configuration. In Spain alone, over 70 units have been ...


    By IDE Technologies

  • Review of med fundamentals and costing

    Introduction Low Temperature Multi Effect Distillation (LT-MED) is one of the most efficient thermal desalination processes currently in use. It incorporates technological advances which have resulted in reliable, durable and economical desalination plants producing high purity product water. These advances are as follows: Development of a unique design of a falling ...


    By IDE Technologies

  • Recycling of coal seam gas-associated water using vacuum membrane distillation

    Coal seam gas-associated water (CSGAW), which is a by-product of coal seam gas (CSG) production typically contains significant amounts of salts and has potential environmental issues. In this study, we optimized a bench-scale vacuum membrane distillation (VMD) process with flat-sheet hydrophobic polytetrafluoroethylene (PTFE) membranes for the treatment of synthetic CSGAW (conductivity = 15 ...


    By IWA Publishing

  • Aluminum Pickling Wastewater Recycled with Vacuum Distillation, By-products Recovered for Profit - Case Study

    A leading company in Aluminum Offset plate manufacturing since 1985, with production plants in Spain and China, needed to treat and reuse their highly acidic wastewater to reduce disposal costs. Project Goals: 1) Reduce wastewater disposal costs 2) Recover valuable by-product to sell for profit (AlCl3 as coagulant) 3) Provide materials of construction (MOC) suitable to handle aggressive ...


    By PRAB, Inc

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