8009066060A comprehensive approach determines the right chemicals required to maximize the reliability and productivity of membrane systems.
Puretec carries the full range of Avista® membrane chemicals, supported by technical and laboratory services to provide a thorough evaluation and diagnosis of site-specific challenges. This analysis provides a clear strategy to solve customer issues and properly apply the right chemicals. Once Avista chemicals are applied, ongoing data normalization is used to validate chemical performance and set cleaning procedures. Following this approach, we drive operator confidence and help to achieve peak system performance.
To understand and assess system requirements, the Puretec Technical support team audits operating conditions, performance objectives, infrastructure constraints, pre / post treatment, and membrane condition. The results of the audit are used as a basis for product selection and a recommended support package to achieve customers goals.
Puretec Technical Engineers work with customers to maintain and improve system performance. We use the results of modeling and autopsies to adjust system configuration and work closely with operational staff during process upsets.
Puretec uses the Avista Membrane Autopsy service to target specific customer challenges. Avista's Chromatic Elemental Imagingsm (CEI) is used for accurate, high resolution imaging that identifies the exact location and concentration of elements in a foulant sample. CEI is excellent for analyzing mixed foulant samples when other analytical tools provide limited results. The Avista technical team reviews operating data and cleaning strategies prior to membrane disassembly, inspection, and comprehensive scientific analysis. Avista provides Puretec the autopsy findings and recommendations to help identify any operational or system changes. On larger membrane plants we encourage proactive membrane autopsies to establish a baseline membrane condition which can be monitored over time.
Another service offered by Puretec is the Avista® Black Box. This is a proprietary, stand-alone troubleshooting and monitoring device that replicates membrane performance without interrupting the operation of the fullscale system.
Puretec uses Avista Advisor™Ci to calculate the saturation potential of a feed water based on the free concentration of ions to provide an accurate Avista membrane chemical projection that maximizes system recovery and optimizes cost. Used in combination with hydraulic software provided by specific membrane manufacturers, Avista Advisor™Ci helps to find the optimum balance between key performance design parameters and chemical consumption.
Puretec carries the Avista® product range which specifically targets contaminants that would otherwise impact system operation. All products are membrane compatibility tested and dosed using Avista Advisor™Ci software.
Below is a full list of product categories available globally and/or regionally. Please contact a Puretec representative to check local availability.
Scaling can drastically reduce system performance and the abrasive scale deposits may cause irreversible damage to the rejecting membrane surface.
Cleaning membranes in RO systems removes mineral scale, organic matter, biological growth, colloidal particles, and/or insoluble constituents which build on or in a membrane element.
Specific cleaners for different types of deposits or contamination:Biological fouling of RO membranes is one of the most challenging issues faced by operators of polyamide membrane separation systems. This is because effective biocides must be non-oxidizing to avoid permanent damage of the polyamide membrane.
Colloids and silt fouling are major causes of performance decline in RO membrane systems. As a result, many system designs include upstream Multimedia Filtration (MMF) to enhance particulate removal and improve the feedwater quality to downstream membrane systems.
Membranes can last for days or years depending on the care they receive. Chlorine in feedwater can permanently damage membranes, requiring them to be replaced.
Puretec Industrial Water provides a complete line of water treatment services and parts across California, Arizona, Nevada, and New Mexico.
