Avista™ Membrane Chemicals
Avista™ is a global brand of Kurita is focused on membrane treatment solutions for reverse osmosis (RO) systems, microfiltration/ultrafiltration (MF/UF), and multimedia filtration (MMF).
We offer a global line of Avista membrane treatment chemicals manufactured worldwide to cover a full spectrum of foulants and scales, including Vitec™ antiscalants, RoClean™ membrane cleaners, biocides, Kuriverter™ AC chlorine scavengers, and RoQuest™ coagulants.
Our regionally available line of Avista membrane chemicals includes AvistaClean™ MF cleaners, RoCide™ biocides, and AntiChlor chlorine scavengers, among others.
- All Avista membrane chemicals are compatibility tested in accordance with key protocols accepted by the industry’s leading manufacturers.
- The industry’s trusted membrane chemical dosing software, Avista AdvisorCi is used by trained technical engineers and Avista partners to provide accurate chemical projections.
- We’ve expanded technical support and laboratory capabilities globally to include the Avista Black Box monitoring device, Avista Membrane Autopsy with Chromatic Elemental Imaging™, Avista NormRO data normalization, and Avista OSCAR off-site cleaning and restoration.
The Avista approach to diagnosing, solving, and validating membrane treatment solutions helps to determine the right membrane chemicals to achieve peak system performance and operator confidence.
The Avista™ Vitec™ antiscalant line inhibits scale while also dispersing colloidal particles. The inhibition and dispersant properties of Vitec products help extend system run times, reduce cleaning frequency, and increase the productive life of of reverse osmosis (RO) elements. They are also highly effective at low dose rates. All formulations are NSF approved and UK Drinking Water Inspectorate (DWI) approved for specific products.
Vitec™ 1070 is a liquid antiscalant and dispersant for use in seawater desalination and waters with low metal concentrations.
Vitec™ 1141 is a powerful, wide spectrum, liquid antiscalant and dispersant that is highly effective at low dose rates and in a wide range of feedwaters such as brackish, wastewater, and seawater.
Vitec™ 1200 is a liquid antiscalant and dispersant that is phosphorus free.
Vitec™ 3000 is a powerful, wide spectrum, liquid antiscalant and dispersant that is highly effective at low dose rates and in a wide range of feedwaters such as brackish, wastewater, and seawater.
Vitec™ 4000 is a liquid antiscalant and dispersant that offers excellent silica scale inhibition and allows increased system recoveries in high silica feedwaters.
Vitec™ 7000 is a multicomponent liquid antiscalant and dispersant that provides a high level of sulfate inhibition and allows increased reverse osmosis (RO) system recoveries in challenging waters.
Vitec™ 1400 is a proprietary liquid antiscalant designed to inhibit a wide range of scales including carbonate, sulfate, and silica in municipal feedwaters where metal (i.e., aluminum) concentrations in the feed are low but silica scale potential is elevated.
Vitec™ 1500 is a liquid antiscalant designed to inhibit or reduce aluminum silicates, calcium phosphate, and silica scale.
Vitec™ 3025 is a full spectrum, liquid antiscalant for high organic and silt waters that have a lower potential for carbonate, sulfate, or silica scaling.
Vitec™ 5100 is a liquid antiscalant designed to inhibit or reduce aluminum silicates, calcium phosphate, and silica scale.
Vitec™ 7000A is a proprietary liquid antiscalant and dispersant designed to inhibit scale and disperse colloidal particles in reverse osmosis (RO) and nanofiltration (NF) membrane systems.
Vitec™ 7200 is a proprietary liquid antiscalant and dispersant designed to inhibit scale and disperse colloidal particles in reverse osmosis (RO) and nanofiltration (NF) membrane systems.
Vitec™ 7400 is a liquid antiscalant with a unique blend of polymer and phosphonate components used for systems with both high silica and sulfate challenges.
Vitec™ 8100 liquid antiscalant and dispersant is biodegradable, compatible with organic coagulants, and highly effective at low dose rates, allowing for economic system operation.
Vitec™ 8200 liquid antiscalant is a phosphonate-free all-polymer blend for systems with brine disposal limitations.
Vitec™ 8300 liquid antiscalant and dispersant is biodegradable, phosphate free, and compatible with all membrane types.
Vitec™ SR is a proprietary liquid antiscalant and dispersant developed for sites that discharge into sensitive environments.
Avista™ RoClean™ cleaners provide efficient and cost-effective removal of many different foulants and scales. All products are low foaming and membrane compatible. These products come in a variety of pHs, and the line contains a liquid and powder product for most foulants and scales. RoClean cleaners are highly buffered and contain a unique blend of ingredients that wet and break up foulant, suspend the foulant in solution, and disperse the foulant to prevent redeposition. All formulations are NSF approved and/or EN12124 compliant for drinking water treatment chemicals for specific products.
RoClean™ P111 powder is a multicomponent, high pH buffered cleaner formulated to remove severe biofouling including polysaccharides, severe colloidal fouling, and moderate humic/fulvic acid fouling.
RoClean™ P112 powder is a multicomponent, high pH buffered cleaner specifically formulated to remove silica scale than hydrofluoric acid and ammonium bifluoride solutions, which are potentially hazardous.
RoClean™ P303 is a multicomponent low pH buffered powder cleaner formulated to remove severe calcium carbonate scaling and moderate metal fouling and metal-organic complexes.
RoClean™ P903 is a low pH, fast-acting cleaner designed to remove iron, manganese, aluminum, metal-organic complexes, clays, phosphate scale, and colloidal material from reverse osmosis (RO) membranes.
RoClean™ P192 is a powder multicomponent, high pH, buffered cleaner formulated to remove stubborn biological fouling, polysaccharide layers, clays, silica scale, silica complexes, and/or carbon fines.
RoClean™ L211 is a liquid multicomponent, high pH buffered, low foaming cleaner formulated to remove colloidal silica, clay, organic color, and bioslime from reverse osmosis (RO) membranes.
RoClean™ L212 is a high pH, liquid cleaner free of EDTA and phosphate and formulated to remove humic and fulvic acids, aluminum silicate clay, colloidal material, mild silica scaling, and bioslime.
RoClean™ L403 liquid is a multicomponent, low pH cleaner formulated to remove severe calcium carbonate scaling, moderate metal fouling, and metal-organic complexes.
RoClean™ L811 liquid is a multicomponent, high pH buffered cleaner formulated to remove severe sulfate scale, phosphate scale, moderate carbonate scale, and calcium complexes.
RoClean™ L011 liquid is a multicomponent, high pH buffered cleaner formulated to remove oil and grease that may be found in reverse osmosis (RO) systems used in wastewater reuse applications.
RoClean™ L211F is a high pH, low foaming, environmentally friendly, liquid cleaner formulated for foulants that build up on reverse osmosis (RO), nanofiltration (NF), and ultrafiltration (UF) membranes that treat seawater.
RoClean™ P312 powder is a multicomponent cleaner formulated to remove particulates and reduce high differential pressure.
RoClean™ P611 powder is a multicomponent, high pH buffered cleaner that is free of phosphate and EDTA.
RoClean™ P911 is a high pH buffered cleaner formulated to remove humic and fulvic acids.
Our biocides may be applied intermittently, via continuous injection, or as a periodic addition to your clean-in-place (CIP) system.
These agents are effective in treating a wide range of bacteria and make it possible for activated carbon filters to be used for slime control, thus keeping the membrane from deteriorating and reducing the frequency at which membranes require cleaning.
DBNPA is a broad spectrum biocide used to control bacteria, yeast, and algae in water treatment, pulp and paper, reverse osmosis (RO), oil and gas, and metalworking fluid applications.
Isothiazolinone is an antimicrobial preservative that is commonly used to control bacteria, fungi, and algae.
The Avista™ MF Cleaner line is formulated to remove foulants and can replace generic cleaners.
AvistaClean™ MF 1000 powder is a proprietary, one-step cleaner used to remove foulants from microfiltration (MF) and ultrafiltration (UF) membrane surfaces and pores.
AvistaClean™ MF 1000A powder is a synergistic cleaner blend formulated to remove organic and particulate foulants from chlorine tolerant microfiltration (MF) and ultrafiltration (UF) membrane surfaces and pores.
AvistaClean™ MF 3000 powder is a low pH, proprietary cleaner that removes calcium carbonate and metal foulants from microfiltration (MF) and ultrafiltration (UF) membrane surfaces and pores.
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. Unique Avista formulations remove free and combined chlorine from RO system feedwaters to protect membranes from oxidation damage. These chlorine scavengers are certified for use in systems producing potable water, are odorless and stabilized to prevent off-gassing, making it ideal for indoor installation.
Kuriverter™ AC-427 is a modified, odorless liquid sodium bisulfite formulation used to remove free and combined chlorine from reverse osmosis (RO) feedwaters.
AntiChlor™ 30 liquid is a dechlorinating agent used as a mild, non-oxidizing biostat or injected into reverse osmosis (RO) feedwaters to protect polyamide membranes from permanent damage caused by chlorine.
Avista™ RoQuest™ coagulants are membrane compatible and improve the efficiency of multimedia filtration (MMF) equipment. Studies show that MMF equipment without coagulant addition will remove approximately 35%-50% of particulates. A nominal dosage of a RoQuest coagulant may allow MMF equipment to remove over 97% of particulates.
RoQuest™ 3000 is a liquid coagulant which contains a proprietary blend of organic polymers that is injected into the feedstream of multimedia and sand filters.
RoQuest™ 4000 liquid coagulant is an organic polymer and ferric sulfate blend used to enhance the removal of a broad spectrum of inorganic particulates, organics, silt, and colloids in multimedia filters.
RoQuest™ 6000 is a liquid blend of dual organic coagulants and ferric sulfate used to reduce turbidity and remove humic and fulvic acids in multimedia filters.
RoQuest™ FS liquid coagulant contains ferric sulfate and is designed for use as a flocculant in direct filtration applications.
Phoenix re-sizing agents improve salt rejection and extend the useful life of partially oxidized or damaged RO polyamide membranes.