RW 31™
Membrane Cleaner – Powder
Product Datasheet

PRODUCT DESCRIPTION:
RW 31™ is a powdered cleaner designed to remove silica, calcium sulfate and to remove calcium carbonate scale deposits from thin film composite membranes. RW 31™ is buffered to prevent the pH limits of a membrane being exceeded in the event of misapplication.

PERFORMANCE:
offers a variety of performance and application benefits.

RW 31™ offers a variety of performance benefits:

  • Compatible with the major membrane suppliers.

  • Superior results in the removal of organic and colloidal foulants, especially when compared to generation formulation.

  • Contains a specialized blend of buffer and other components to dissolve organic foulants, and disperse colloidal particles.

  • Highly buffered to resist pH changes during the cleaning process.

RW 31™ can be used in conjunction with other applicable cleaner from the RCB cleaner range.

Instruction for Use:
For moderate to severe fouling, RW 31™ should be applied of nominal strength of 2% w/v for milder fouling or where frequent cleaning is employed, satisfactory result may be achieved at 2% w/v. The cleaning solution should be re-circulated at the flow rate recommended by the membrane manufacture, taking care not to exceed the guidelines, for pressure.

RCB Chemicals & Services recommend the following flow rates for cleaning spiral wound elements: -

Element Diameter

Flow Rate

4'' (100mm)

40 Lit/min

8'' (200mm)

150 Lit/min

SPECIFICATION:

Appearance

White Powder

pH (2% Solution)

2-3

FIRST AID:
Irritant to eyes. Flush eye immediately with plenty of clean water. Immediate medical attention is required.

SKIN CONTACT:
Causes irritation. Clean the subjected parts with plenty of water.

PACKAGING AND STORAGE:
Standard regional pack sizes are listed below and custom packaging can be provided worldwide. Information on drum less or bulk tanker delivery is available on request.

Packaging Formats

Pakistan

Pails

25 Kg
AVAILABILITY:
Lahore, Karachi, Faisalabad.