RoClean™ Archives - Avista Membrane Treatment Solutions
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RoClean™

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.
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All products are color coded for easy identification:
GLOBAL PRODUCTS
REGIONAL PRODUCTS
Cleaner|Global|RoClean
RoClean P111

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.

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Cleaner|Global|RoClean
RoClean P112

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.

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Cleaner|Global|RoClean
RoClean P303

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.

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Cleaner|Global|RoClean
RoClean P903

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.

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Cleaner|Global|RoClean
RoClean P192

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.

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Cleaner|Global|RoClean
RoClean L211

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.

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Cleaner|Global|RoClean
RoClean L212

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.

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Cleaner|Global|RoClean
RoClean L403

RoClean L403 liquid is a multicomponent, low pH cleaner formulated to remove severe calcium carbonate scaling, moderate metal fouling, and metal-organic complexes.

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Cleaner|Global|RoClean
RoClean L811

RoClean L811 liquid is a multicomponent, high pH buffered cleaner formulated to remove severe sulfate scale, phosphate scale, moderate carbonate scale, and calcium complexes.

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Cleaner|Regional|RoClean
RoClean L011

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.

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Cleaner|Regional|RoClean
RoClean P611

RoClean P611 powder is a multicomponent, high pH buffered cleaner that is free of phosphate and EDTA.

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Cleaner|Regional|RoClean
RoClean P911

RoClean P911 is a high pH buffered cleaner formulated to remove humic and fulvic acids.

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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.
Learn More
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.
Learn More
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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