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Avista Technologies is devoted exclusively to the supply of specialty chemicals and technical support services for the membrane separation industry, specifically reverse osmosis and nanofiltration. Our products and services are designed to prevent, reduce, or treat the fouling that occurs within these systems.
Our membrane compatible coagulants, antiscalants, biocides and cleaners are combined with a wide array of technical support services to prevent, troubleshoot, and solve problems related to membrane system performance.
Avista is a recognized leader in the water treatment industry. This distinction is a direct result of the time and effort we devote to on-going research and development, improving existing formulations and developing new ones. If your solution is not in our warehouse, it’s in our laboratory!
Avista was founded by professionals whose entire career has been dedicated to the water treatment Industry. From system design, operation, and maintenance to membrane manufacturing and chemical formulating, their experience has encompassed every aspect of membrane separation technology and its associated pretreatment.
The Avista team includes many of the industry’s most seasoned experts, allowing us to provide expertise in every aspect of this technology. We are pleased to share our knowledge and experience and pride ourselves on the long term partnerships we develop with our customers.

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Vitec® 5000 Reverse Osmosis Membrane Antiscalant ChemicalVitec® 5000 is a liquid antiscalant/dispersant blended to inhibit scale and disperse colloidal particles in reverse osmosis and nanofiltration membrane systems. The formulation has been certified by the National Sanitation Foundation (NSF) under ANSI/NSF Standard 60 for use in producing potable water. In addition UK drinking water approval has been granted. This formulation is its compatible with Avista Technologies organic coagulants |
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AvistaClean MF1000AAvistaClean MF1000A is a combination of chlorine and proprietary cleaners in a unique, synergistic formulation. This specialty powder is used to remove organic and particulate foulants that coast and plug microfiltration (MF) and ultrafiltration (UF) membrane surfaces and pores. AvistaClean MF1000a is a one-step cleaning process. However, it can be used in conjunction with AvistaClean MF3000 when the membrane foulant contains calcium carbonate and/or ... |

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LaboratoryWater Analysis: using a minimum of half a gallon (2 liters) of RO feedwater, this test provides the cation and anion data necessary to obtain an accurate and site specific antiscalant recommendation.Confirming presence of CaCO3 scale Avista Advisor Program: using a complete mineral analysis, this program supplies the user with detail ion saturation data, product selection, dosage, and usage information. |
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Laboratory Cleaning StudyLaboratory cleaning studies have become an integral part of the Avista membrane autopsies and a useful tool in validating the effectiveness of a cleaning regime against a site-specific foulant.Fouled membrane for study While Autopsies identify foulants and recommend solutions to minimize future fouling, cleaning studies identify the best cleaner(s) and procedure to address fouling on the membranes already affected.This approach can also provide an ... |

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Avista Advisor - Version 3Since its earliest conception, Avista Advisor has been a user friendly and highly effective tool for reverse osmosis (RO) plant designers and operators. Its primary function has been the recommendation and dosing of Vitec antiscalants. However, the radical redesign of Version 3 now makes Advisor a complete chemical design tool for RO systems. Additional functions include biocide and coagulant recommendations and dechlorination calculations, allowing ... |

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Avista Advice TrainingAvista personnel believe that the experience gained over decades in the membrane industry should be shared with as wide an audience as possible in the interest of promoting best practice. It is mutually beneficial for our customers to have detailed knowledge of our product line, design tools, and technical services to ensure our formulations are applied in a safe and efficient manner. The Avista Advice Training Program offers a series of short ... |



