Membrane Cleaner Alkaline

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Product Code: RXSOL-33-3323-030

Product Description

ORG MC 511 (Membrane Cleaner) is a high pH liquid formulation designed to remove organics, silt, and other particulate deposits from polysulfone, fluorocarbon, and all polyamide thin film composite reverse osmosis (RO) and ultrafiltration (UF) membranes. The product is effectively used in nanofiltration (NF), and microfiltration (MF) application. This product provides superior cleanings allowing longer run times.

Liquid Membrane Cleaner is a specially formulated solution designed for effective cleaning of reverse osmosis (RO), ultrafiltration (UF), nanofiltration (NF), and microfiltration (MF) membranes. It efficiently removes inorganic scales, mineral deposits, and metallic hydroxides, restoring optimal performance and extending membrane life. The product is safe for use on acid-tolerant membranes, fully water-soluble, and easy to apply in standard CIP (Cleaning-in-Place) procedures. Regular use helps maintain high flux rates, stable salt rejection, and reduced operating costs in water treatment systems.

Product Short Description

High pH liquid to remove microbiological fouling organics, silt, and other particulate deposits from polysulfone, fluorocarbon, and all polyamide thin film composite reverse osmosis (RO) and ultrafiltration (UF) membranes. The product is effectively used in nanofiltration (NF), and microfiltration (

Product Application

During the operation of a membrane separation system, organic materials, as well as suspended solids in the incoming water, can accumulate on the membrane surface. The presence of organic materials also provides an environment conducive to microbiological activity, which can result in microbiological fouling. Fouling from these species impedes the flow of water through the membrane. This can result in unacceptably low production, high operating pressure, or an excessive pressure drop in the system, which may lead to irreversible membrane damage. Additionally, accumulation of these foulants on the membrane surface can increase the amount of dissolved material passing through the membrane, resulting in product water of unacceptable quality. Before these foulants can accumulate to a level where product water declines or membrane damage can occur, they should be removed by a clean-in-place (CIP) off-line cleaning. Indications of the need for cleaning include a significant decrease in normalized permeate flow, a significant increase in pressure drop across the system (or individual stage), or an increase in the normalized salt passage, such that product quality is unacceptable.

Key Areas of Application of Membrane Cleaning Surfactant:

Cleaning of RO, NF, UF, and MF membranes fouled with:
Organic matter (oils, greases, biofilms)
Inorganic deposits (silica, scale residues)
Iron fouling and metallic oxides
Suitable for use in industrial, municipal, power, and desalination plants.
Recommended for use as a Stage 1 alkaline cleaner, followed by acidic cleaning where inorganic scales are present.

Product Dose

Dilution - The product must be diluted prior to introduction into the membrane system. The recommended dilution for this product is 500 Grams of ORG MC 511 (Membrane Cleaner) per 20 Ltrs of water.

General Cleaning Instructions

The following general cleaning procedure can be followed. For the optimum cleaning procedure for your system, contact

Rx Marine International Representative.

Inspect cleaning tank, hoses, and cartridge filter. Clean tank and flush hoses if necessary. Install new cartridge filters.
Fill cleaning tank with RO permeate or DI water. Turn on agitator or tank recirculation pump.
Slowly add ORG MC 511 (Membrane Cleaner) to cleaning tank 5 Ltrs of product for every 200 Ltrs of water and allow to mix thoroughly.
Check solution temperature. If solution temperature is lower than recommended level, adjust heating control to provide optimum temperature.
Check solution pH. The solution pH should be 10 to 11.5 or as recommended by the membrane manufacturer. If pH is too low, adjust pH upward with NaOH, or other chemical as recommended by the membrane manufacturer. If pH is too high, adjust with hydrochloric acid.
Circulate solution through one stage at a time in the direction of feed flow for 30 minutes. Circulate at the flow rate recommended by the membrane or system manufacturer. If the manufacturer’s recommendation is not available, contact Rx Marine International representative. Pressure should be low enough so that no permeate is produced during cleaning, but always less than 60 psig (4.2 kg/cm2). In cases of heavy fouling, the first return flow (up to 15% of the cleaning tank volume) should be diverted to drain to prevent redeposition of removed solids. For optimum results, each stage must be cleaned separately in a multistage system.
If the first stage cleaning solution becomes turbid or discolored, dump the tank and prepare a fresh cleaning solution before proceeding. If solution pH or temperature move out of the recommended range, a new solution should be prepared. In any event, a new cleaning solution should be prepared for each stage.
Rinse with RO permeate before returning system to service.
When returning unit to service, divert product water to drain until any residual cleaning solution has been rinsed from system.

RO Membrane Cleaner Alkaline is often used in combination with acidic cleaners (such as phosphoric-acid based) in a two-stage cleaning sequence:

Works well in two-stage cleaning programs with acidic cleaners.
- Stage 1 (alkaline) → removes organics, oils, biofouling, and iron.
- Stage 2 (acidic ORG 75 Membrane Clean MC) → removes inorganic scales (CaCO₃, sulfates, etc.).

Product Note

Features of RO Membrane Cleaner Alkaline ORG MC 511 for best RO Membrane Cleaner

Compatible with polyamide thin-film composite membranes
Optimum results are obtained when used in conjunction with ORG MC 882
Extremely effective against oils and many other organic compounds
Excellent results when used to clean biological matter and eliminate biological slime from the membrane surface
Buffered to maintain an effective pH over a range of dilutions
Enhanced performance at elevated temperatures
Liquid cleaner which allows shorter mixing time.
Low foam formulation
No adverse effects with repeated use
Suitable for Reverse Osmosis (RO) and NanoFiltration (NF) membranes
Effective against both organic and inorganic deposits
Effective against iron fouling
Compatible with all polyamide membranes
Can be used in combination with other RXSOL cleaners
Classified as ‘readily biodegradable’
Removes organic and inorganic foulants effectively.
Highly effective against iron fouling.
Readily biodegradable formulation – safer for the environment.
Compatible with most RO, NF, UF, and MF membranes.

Industrial area

RO Membrane Cleaner Alkaline is a blended chelating agent and non-ionic surfactant and has been developed as an alkaline general purpose cleaner for membrane systems. RO Membrane Cleaner Alkaline will help to remove organic and inorganic based deposits and is effective against iron fouling. RO Membrane Cleaner Alkaline is classified as "readily biodegradable" and is an excellent adjunct when used in combination with other Genesol membrane cleaners.

ORG MC 511 (Membrane Cleaner) contains a blend of solubilizing and complexing agents designed to specifically remove organic and particulate foulants from the surfaces of the membrane. Used in tandem with an acidic cleaner for scale removal, regular cleanings with ORG MC 511 (Membrane Cleaner) can help to preserve the life of your membranes.

Depending on the nature of the fouling, a soak period may be necessary for optimum results. Consult Rx Marine International representative for details.

ORG MC 511 (Membrane Cleaner) is not a biocide. If sterilization of the membrane and equipment surfaces is desired, contact Rx Marine International representative.

Feed Requirements

Feed System - This product should be used in conjunction with the membrane cleaning equipment supplied by the manufacturer of the membrane system. If such a system is not present, contact Rx Marine International representative for information on fabricating or obtaining a cleaning system.

Remarks

Materials Compatibility:
Corrosion-resistant equipment, such as PVC, should be used for the storage and preparation of this product. Pumping materials coming in contact with the concentrated or diluted products should also be corrosion resistant.

Packaging Information:
ORG MC 511 (Membrane Cleaner) is a liquid material, available in a wide variety of customized containers and delivery methods. Contact your GE representative for details.

Safety Precautions:
A Material Safety Data Sheet containing detailed information about this product is available upon request.

Other Equivalent Brand

KLEEN MCT 511, Alkaline Membrane Cleaner RO4, HTSMC-11, MT10 P3, pH Support 2 CA 4900, Tecnicomar FL 411A Alkaline detergent, Perma Clean Reverse Osmosis Cleaner, GENESOL 34, HIGH PH, RO Clean L811, RO Clean ARO 303, GENESOL 40, Hydrex 4502 Liq, Ecolab Ultrasil 110, Boll 3330 / RoClean L311, Alkaline Membrane Cleaner, Perma Clean PC 33 Alkaline Membrane Cleaning Liquid 30 Ltr Kg

Product Tag Identification

#MembraneCleaner
#ROmembraneCLEANINGchemical
#MembraneCLEANER_MuscatOMAN
#membraneCLEANINGchemical_Dubai
#ROcleaningCHEMICALmanufacturer
#AlkalineMembraneCLeanerRO

Product Useful Area

Cleaning procedure of RO Membranes using ORG MC 511 Membrane Cleaner Alkaline

Inspect cleaning tank, hoses, and cartridge filter. Clean tank and flush hoses if necessary. Install new cartridge filters.
Fill cleaning tank with RO permeate or DI water. Turn on agitator or tank recirculation pump.
Slowly add ORG MC 511 (Membrane Cleaner) to cleaning tank 5 Ltrs of product for every 200 Ltrs of water and allow to mix thoroughly.
Check solution temperature. If solution temperature is lower than recommended level, adjust heating control to provide optimum temperature.
Check solution pH. The solution pH should be 10 to 11.5 or as recommended by the membrane manufacturer. If pH is too low, adjust pH upward with NaOH, or other chemical as recommended by the membrane manufacturer. If pH is too high, adjust with hydrochloric acid.
Circulate solution through one stage at a time in the direction of feed flow for 30 minutes. Circulate at the flow rate recommended by the membrane or system manufacturer. If the manufacturer’s recommendation is not available, contact Rx Marine International representative. Pressure should be low enough so that no permeate is produced during cleaning, but always less than 60 psig (4.2 kg/cm2). In cases of heavy fouling, the first return flow (up to 15% of the cleaning tank volume) should be diverted to drain to prevent redeposition of removed solids. For optimum results, each stage must be cleaned separately in a multistage system.
If the first stage cleaning solution becomes turbid or discolored, dump the tank and prepare a fresh cleaning solution before proceeding. If solution pH or temperature move out of the recommended range, a new solution should be prepared. In any event, a new cleaning solution should be prepared for each stage.
Rinse with RO permeate before returning system to service.
When returning unit to service, divert product water to drain until any residual cleaning solution has been rinsed from system.

Free Delivery / Supply Locations

Oman, Bahrain, Abu Dhabi, Ajman, Al Ain, Dubai, Ras Al-Khaimah, Fujairah, Sharjah, Umm Al Quwain, Ruwais, Khalifa Port, Jebel Ali, DP WORLD, and all UAE ports...

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