scaling inhibitor Articles

  • Preliminary evaluation of new green antiscalants for reverse osmosis water desalination

    Supplying fresh water has become an important environmental and economic issue. Desalination with reverse osmosis (RO) represents an effective solution to meet the challenges of cleaning brackish water and seawater for drinking and industrial purposes. The principal problem of RO plant operation is the precipitation of low soluble salts (scaling). There are some well-known techniques to reduce ...


    By IWA Publishing

  • Research on the synthesis and scale inhibition performance of a new terpolymer scale inhibitor

    A new terpolymer named β-CD-MA-SSS was produced using free-radical polymerization of β-cyclodextrin (β-CD), maleic-anhydride (MA) and sodium-styrene-sulfonate (SSS) as monomers, with potassium persulfate (KPS) as initiator. Its performance as a scale inhibitor to prevent deposition of calcium carbonate (CaCO3) has been investigated. Experimental results demonstrated that β-CD-MA-SSS performed ...


    By IWA Publishing

  • Water and Wastewater Treatment Chemicals: World Market Report

    Provides continually updated analyses and forecasts for 11 product categories including activated carbon, chelates corrosion inhibitors, defoamers, ion exchange resins, inorganic flocculants, organic flocculants, oxidizers and biocides, pH adjustors, and scale inhibitors in 80 ...


    By The McIlvaine Company

  • Hydrocarbon Processing: Non-phosphorus corrosion inhibitor optimizes cooling tower uptime for environmental compliance

    Cooling water systems play a critical role in the efficient operation of hydrocarbon processing facilities. Ensuring that these systems efficiently cool and condense the various process streams is essential to minimizing operating costs and maximizing plant performance and profitability. Common challenges to maintaining these systems at peak performance come in the form of corrosion, pitting and ...


    By Baker Hughes, a GE company

  • Double-hydrophilic block copolymer as an effective and green scale inhibitor in industrial recycling water systems

    In an attempt to control CaCO3 deposits in industrial recycling water systems, the performance of acrylic acid (AA)–allylpolyethoxy carboxylate (APEL) copolymer as an economical and environmentally friendly inhibitor have been investigated by static experiments, scanning electron microscopy (SEM), X-ray diffraction (XRD), and thermogravimetric analysis (TGA). The experimental results revealed ...


    By IWA Publishing

  • Cooling Towers and Cooling Systems

    Water is used widely as a cooling medium in processes for many industries and public buildings. The use of an evaporative cooling tower is still the most effective method of heat transfer. Heat is transferred from hot process fluids into the cooling water through a heat exchange surface; consequently, the cooling water heats up. The evaporation of a small percentage of this cooling water in a ...


    By B & V Chemicals

  • Novel method of stabilizing water pretreatment for reverse osmosis desalination

    The preparation of functionalized filter media (FFM), its ability to release active antiscalant substances and its application for water treatment in water heating processes and as a pretreatment in reverse osmosis (RO) desalination were investigated in this study. FFM is a novel method of stabilizing water pretreatment designed to be free of the disadvantages of conventional methods of water ...


    By IWA Publishing

  • Manufacturer of Water Treatment Chemicals and Water Additives

    Water treatment is a process for treating sewage or modern wastewater and converting it into more acceptable form for a specific end-use. The end utilization of this treated water might be drinking, mechanical water supply, water system, waterway stream support, water diversion or numerous different uses, including being securely returned to nature. Water treatment expels ...


    By Water Chemicals

  • Efficiency of a Biodegradable Antiscalant against Barite under Geothermal Plant Conditions

    In geothermal power plants, various types of scales can occur. Barite (BaSO4, barium sulfate) is the dominating mineral species of the scales in a region in middle Europe, acting as isolation material and leading to a reduction of the heat transfer and clogging of installations. Further, sulphide minerals like galena (PbS, lead sulfide) may be part of the scaling. As a ...


    By Kurita

  • Theoretical and practical experience of calcium phosphate inhibition in RO waters

    The increasing trend over the last ten years to use waste water as a feed source for reverse osmosis membrane plant has resulted in an increase in calcium phosphate scaling on membrane surfaces. This is due to much higher levels of phosphate in waste water typically 10-30 mg/l as compared with a groundwater source which may have only 1-5 mg/l of phosphate. These higher phosphate levels resulting ...

  • Scaletron - case study

    The Customer L A Maintenance is a leading building services maintenance contractor well known for its innovative approach. One of its functions is the maintenance of air-conditioning units for computer suites and other areas where controlled air quality is essential. The problem In order to ensure a controlled air quality the air conditioning units are ...

  • Keeping you at the forefront of innovation

    The water treatment industry predominately uses a number of traditional chemical formulations for the treatment of steam boilers, cooling towers, closed circuits and disinfection of water systems. At B & V Chemicals we realise that innovation is the key to success in any industry, including water treatment. B & V Chemicals has always had a commitment to Research and Development, with new ...


    By B & V Chemicals

  • Optical bioassay for measuring sublethal toxicity of insecticides in Daphnia pulex

    Many emerging contaminants tend to be biologically active at very low concentrations, occur in water as part of complex mixtures, and impact biota in ways that are not detected using traditional toxicity tests (e.g., median lethal concentration). To evaluate emerging contaminants, the authors developed a method for detecting sublethal behavioral effects by quantifying the swimming behavior of ...


    By John Wiley & Sons, Ltd.

  • Biologically Engineered Biofilm Modifications for the Enhancement of Collection System Transformations and Impacts on BNR Wastewater Treatment

    ABSTRACTIncreased influent RBCOD and heterotrophic plate counts coincided with the start of bioaugmentation in this study. Observed influent sulfide levels were also lower duringbioaugmentation. RBCOD increases could potentially improve biological phosphorus or nitrogen removal. Lowered sulfides in the influent could lower corrosion and odors in the collection system ...

  • A low-cost, safe, effective Halogen disinfectant for cooling towers

    On-site, on-demand generation of MIOX mixed oxidant disinfecting solution provides several advantages for the cooling tower industry. These include excellent control of microbial populations even at the elevated pH typical of cooling tower waters, no negative impact on traditional scale and corrosion inhibitors, and environmentally friendly operating conditions. As an inherently safe technology, ...

  • Study on the nucleation aspects and morphology of reverse osmosis desalination scales with and without scale inhibitor at different supersaturation ratios

    Nucleation and crystallization studies of CaSO4.2H2O were carried out under simulated conditions of scale formation in the reverse osmosis desalination technique. Equal molar ratios of CaCl2 and NaSO4 aqueous solutions were mixed with saline solution of NaCl (40 g/L). Turbidity measurements were carried out for the mixed solutions at different time intervals to ...


    By IWA Publishing

  • Closed circuit Water Treatment Chemicals

    The problems encountered in closed circuit systems are like those in open systems – corrosion, suspended solids, scale, and microbiological contamination.  However, there are differences between the systems which require us to treat them in different ways. The fixed volume, low make-up of a closed system allows us to dose water treatment products at much higher levels than is possible ...


    By B & V Chemicals

  • Use of cooling tower blow down in ethanol fermentation

    Reducing water consumption in bioethanol production conserves an increasingly scarce natural resource, lowers production costs, and minimizes effluent management issues. The suitability of cooling tower blow down water for reuse in fermentation was investigated as a means to lower water consumption. Extensive chemical characterization of the blow down water revealed low concentrations of toxic ...


    By IWA Publishing

  • Phosphonate removal from discharged circulating cooling water using iron–carbon micro-electrolysis

    Phosphonate is a commonly used corrosion and scale inhibitor for a circulating cooling water (CCW) system. Its discharge could cause eutrophication of receiving waters. The iron–carbon (Fe/C) micro-electrolysis technology was used to degrade and remove phosphonate from discharged CCW. The influences of initial pH, Fe/C ratio (FCR) and temperature on phosphonate removal were investigated ...


    By IWA Publishing

  • Computer Companies: Uploading the Environment

    Computer companies between progress and responsibility An Environmental-Rating of eleven international computer manufacturers revealed that the Japanese company Fujitsu, with a Rating of B-, is at the forefront of environmental activities in the computer industry at this time. Immediately following the environmental leader are the companies Compaq (USA), NEC (JP), IBM (USA) and Sun Microsystems ...


    By oekom research AG

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