Antiscalant software has revolutionised the way reverse osmosis (RO) systems are designed and operated, and Proton® stands out as one of the most powerful and advanced software packages in the market, crafted by American Water Chemicals (AWC). Unlike conventional software, Proton® offers a comprehensive approach to membrane antiscalant selection and system design, taking into account membrane properties, flux rates, and scale kinetics at various stages of the system.
Proton® offers numerous advantages that make it indispensable for RO system design and optimisation. It allows users to compare feed pressure and permeate water quality for different membranes under identical conditions, facilitating informed decision-making. The software also accurately calculates boron rejection with varying pH, temperature, and ionic strength, as well as predicting arsenic rejection—a feature unavailable in other software.
One key highlight of Proton® is its ability to provide calculations for the design of pre-treatment coagulation and post-treatment degasification, ensuring comprehensive system optimisation. Moreover, Proton® is the only software available that considers scale kinetics, offering unparalleled accuracy in scaling potential predictions.
Proton® offers five powerful new indices, notably the Calcium Carbonate Nucleation Index (CCNI) and the Antiscalant Precipitation Index (API), which provide valuable insights into membrane scaling behavior and antiscalant performance. By utilising these indices, users can make informed decisions regarding antiscalant dosing and system design, optimising RO system performance and efficiency.
Overall, Proton® sets a new standard for antiscalant software, offering unmatched accuracy, versatility, and predictive capabilities. With its advanced features and comprehensive approach, Proton® empowers users to design and operate RO systems with confidence, ensuring optimal performance and reliability in water treatment applications.
Product and customer insights
CHALLENGE A 40-hectare raw water storage dam had persistent issues with blue-green algae (BGA) blooms, leading to taste and odor problems. Despite the presence of an aeration system to address water stratification and mixing, BGA counts remained seasonally high, particularly in summer and autumn. Upgraded aeration in 2018 did not resolve the issue, leaving the […]
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CHALLENGE A municipal water reuse plant processing 8 million gallons per day (MGD) experienced severe fouling and scaling issues, including calcium phosphate and silica deposits. With steep feed pressure increases and differential pressures in both stages, the plant required frequent cleanings every 4 to 6 weeks, amounting to 32 cleanings annually. Each cleaning cycle resulted […]
The plant was experiencing weekly shutdowns for fiber clean up (~ 3 kg bags of matted slurry is cleaned per week). The shut downs were costly as they reduce plant availability for production.
CHALLENGE A municipal reverse osmosis (RO) plant on Florida’s west coast, with a 20 MGD capacity, faced high operational costs due to its reliance on 93% sulfuric acid for pH adjustment. The plant used a combination of a brackish water reverse osmosis (BWRO) membranes and fiberglass-wrapped membranes across 10 trains, each operating at 75% recovery. […]
CHALLENGE A gold processing plant in New Zealand sought to improve gold recovery efficiency while addressing high Total Organic Carbon (TOC) levels. Elevated TOC increased the Preg-Robbing Factor (PRF), reducing the plant’s ability to efficiently recover gold during the Carbon-In-Leach (CIL) process. The traditional use of kerosene as a carbon blanking agent offered limited efficacy, […]
CHALLENGE A municipal reverse osmosis (RO) plant, with a capacity of 2 million gallons per day (MGD), faced frequent system cleanings, every 2-4 months, due to rising feed pressure. The plant, which sources water from brackish wells and uses Toray TMG-20D-400 membranes in a (16×7) -> (8×7) train configuration, was operating at 78% recovery. Despite […]
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AWC A-110 effectively inhibited scale at a dosage of 3.5 ppm and an operating pH of 6.9. This increase in operating pH reduced the district’s annual acid consumption by ~$350K per year based on their current production.
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Despite numerous cleanings, the productivity of the Reverse Osmosis plant would not recover from severe membrane fouling. The membrane autopsy revealed that the ferric hydroxide was seeding
silica polymerization and that even while the ferric hydroxide was removed, the silica scaling was continuing to grow.
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