AvistaClean MF/UF Archives - Avista Membrane Treatment Solutions
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AvistaClean MF/UF

AvistaClean™ MF/UF cleaners are designed for effective and economical removal of common fouling observed in microfiltration/ultrafiltration applications such as organic fouling, metal fouling and particulate fouling. These low-foaming, multicomponent cleaners work faster than common chemistries used onsite during Clean in Place (CIP) such as citric acid and caustic. They are buffered to ensure pH stability during cleaning and contain surfactants and chelants to suspend material in solution and prevent redeposition. The AvistaClean product line contains cleaners in a variety of pHs to remove a wide range of foulants in both liquid and powder forms. Most formulations are NSF approved*, making them suitable for drinking water treatment applications. *AvistaClean P1200 is not NSF approved.
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AvistaClean P0327

AvistaClean™ P0327 is a fast acting, low pH, powder cleaner designed to remove iron, manganese, aluminum, and metal-organic complexes from microfiltration (MF) and ultrafiltration (UF) surfaces and pores.

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AvistaClean P1200

AvistaClean™ P1200 powder is a synergistic cleaner blend formulated to remove difficult organics and particles from microfiltration (MF) and ultrafiltration (UF) membrane surfaces and pores.

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AvistaClean P1219

AvistaClean™ P1219 is a powder multicomponent, high pH, buffered cleaner formulated to remove stubborn biological fouling, polysaccharide layers, lipids, clays, silica complexes, and disperse particles from microfiltration (MF) and ultrafiltration (UF) surfaces and pores.

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AvistaClean L1221

AvistaClean™ L2112 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 from microfiltration (MF) and ultrafiltration (UF) surfaces and pores.

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AvistaClean L1181

AvistaClean™ L1181 is a liquid, high pH, buffered cleaner formulated to remove sulfate scale, phosphate scale, moderate carbonate scale, and calcium complexes from microfiltration (MF) and ultrafiltration (UF) surfaces and pores.

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AvistaClean L0381

AvistaClean™ L0381 is a fast acting, low pH, liquid cleaner formulated to remove metals including, but not limited to, iron, manganese, and aluminum along with organic-metal complexes from microfiltration (MF) and ultrafiltration (UF) surfaces and pores.

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Resources
Scale Inhibitors
Scaling within reverse osmosis (RO) systems is a serious matter. Not only does scaling drastically reduce system performance, but the abrasive scale deposits may also cause irreversible damage to the rejecting membrane surfaces.
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Cleaning Spiral Wound Membranes
All reverse osmosis (RO) systems foul over time. Symptoms of fouling include a decrease in normalized permeate flow, an increase in salt passage, or an increase in differential pressure.
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The Role of Coagulants in Reducing Colloidal Fouling
Micromedia filtration (MMF) is the most economical means of removing colloids from within reverse osmosis (RO) feedwater. However, to be effective, in-line coagulation is required upstream of the filters. With coagulation, colloid removal rates of 95% to 99% are typical.
Learn More
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